56 files changed, 813 insertions, 771 deletions
diff --git a/fs/9p/fid.c b/fs/9p/fid.c
index 358563689064..6406f896bf95 100644
--- a/fs/9p/fid.c
+++ b/fs/9p/fid.c
@@ -242,7 +242,8 @@ struct p9_fid *v9fs_fid_lookup(struct dentry *dentry)
        }
        kfree(wnames);
 fid_out:
-        v9fs_fid_add(dentry, fid);
+        if (!IS_ERR(fid))
+                v9fs_fid_add(dentry, fid);
 err_out:
        up_read(&v9ses->rename_sem);
        return fid;
diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
index 16c8a2a98c1b..899f168fd19c 100644
--- a/fs/9p/vfs_dir.c
+++ b/fs/9p/vfs_dir.c
@@ -292,9 +292,11 @@ int v9fs_dir_release(struct inode *inode, struct file *filp)
        fid = filp->private_data;
        P9_DPRINTK(P9_DEBUG_VFS,
-                        "inode: %p filp: %p fid: %d\n", inode, filp, fid->fid);
+                        "v9fs_dir_release: inode: %p filp: %p fid: %d\n",
+                        inode, filp, fid ? fid->fid : -1);
        filemap_write_and_wait(inode->i_mapping);
-        p9_client_clunk(fid);
+        if (fid)
+                p9_client_clunk(fid);
        return 0;
 }
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index c7c23eab9440..9e670d527646 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -730,7 +730,10 @@ v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, int mode,
                P9_DPRINTK(P9_DEBUG_VFS, "inode creation failed %d\n", err);
                goto error;
        }
-        dentry->d_op = &v9fs_cached_dentry_operations;
+        if (v9ses->cache)
+                dentry->d_op = &v9fs_cached_dentry_operations;
+        else
+                dentry->d_op = &v9fs_dentry_operations;
        d_instantiate(dentry, inode);
        err = v9fs_fid_add(dentry, fid);
        if (err < 0)
@@ -1128,6 +1131,7 @@ v9fs_vfs_getattr(struct vfsmount *mnt, struct dentry *dentry,
        v9fs_stat2inode(st, dentry->d_inode, dentry->d_inode->i_sb);
                generic_fillattr(dentry->d_inode, stat);
+        p9stat_free(st);
        kfree(st);
        return 0;
 }
@@ -1489,6 +1493,7 @@ static int v9fs_readlink(struct dentry *dentry, char *buffer, int buflen)
        retval = strnlen(buffer, buflen);
 done:
+        p9stat_free(st);
        kfree(st);
        return retval;
 }
@@ -1942,7 +1947,7 @@ static const struct inode_operations v9fs_dir_inode_operations_dotu = {
        .unlink = v9fs_vfs_unlink,
        .mkdir = v9fs_vfs_mkdir,
        .rmdir = v9fs_vfs_rmdir,
-        .mknod = v9fs_vfs_mknod_dotl,
+        .mknod = v9fs_vfs_mknod,
        .rename = v9fs_vfs_rename,
        .getattr = v9fs_vfs_getattr,
        .setattr = v9fs_vfs_setattr,
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index f9311077de68..1d12ba0ed3db 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -122,6 +122,10 @@ static int v9fs_get_sb(struct file_system_type *fs_type, int flags,
        fid = v9fs_session_init(v9ses, dev_name, data);
        if (IS_ERR(fid)) {
                retval = PTR_ERR(fid);
+                /*
+                 * we need to call session_close to tear down some
+                 * of the data structure setup by session_init
+                 */
                goto close_session;
        }
@@ -144,7 +148,6 @@ static int v9fs_get_sb(struct file_system_type *fs_type, int flags,
                retval = -ENOMEM;
                goto release_sb;
        }
        sb->s_root = root;
        if (v9fs_proto_dotl(v9ses)) {
@@ -152,7 +155,7 @@ static int v9fs_get_sb(struct file_system_type *fs_type, int flags,
                st = p9_client_getattr_dotl(fid, P9_STATS_BASIC);
                if (IS_ERR(st)) {
                        retval = PTR_ERR(st);
-                        goto clunk_fid;
+                        goto release_sb;
                }
                v9fs_stat2inode_dotl(st, root->d_inode);
@@ -162,7 +165,7 @@ static int v9fs_get_sb(struct file_system_type *fs_type, int flags,
                st = p9_client_stat(fid);
                if (IS_ERR(st)) {
                        retval = PTR_ERR(st);
-                        goto clunk_fid;
+                        goto release_sb;
                }
                root->d_inode->i_ino = v9fs_qid2ino(&st->qid);
@@ -174,19 +177,24 @@ static int v9fs_get_sb(struct file_system_type *fs_type, int flags,
        v9fs_fid_add(root, fid);
-P9_DPRINTK(P9_DEBUG_VFS, " simple set mount, return 0\n");
+        P9_DPRINTK(P9_DEBUG_VFS, " simple set mount, return 0\n");
        simple_set_mnt(mnt, sb);
        return 0;
 clunk_fid:
        p9_client_clunk(fid);
 close_session:
        v9fs_session_close(v9ses);
        kfree(v9ses);
        return retval;
 release_sb:
+        /*
+         * we will do the session_close and root dentry release
+         * in the below call. But we need to clunk fid, because we haven't
+         * attached the fid to dentry so it won't get clunked
+         * automatically.
+         */
+        p9_client_clunk(fid);
        deactivate_locked_super(sb);
        return retval;
 }
diff --git a/fs/aio.c b/fs/aio.c
index 3006b5bc33d6..1320b2a05fb2 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1659,6 +1659,9 @@ long do_io_submit(aio_context_t ctx_id, long nr,
        if (unlikely(nr < 0))
                return -EINVAL;
+        if (unlikely(nr > LONG_MAX/sizeof(*iocbpp)))
+                nr = LONG_MAX/sizeof(*iocbpp);
        if (unlikely(!access_ok(VERIFY_READ, iocbpp, (nr*sizeof(*iocbpp)))))
                return -EFAULT;
diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index a7528b913936..fd0cc0bf9a40 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -724,7 +724,7 @@ static int __init init_misc_binfmt(void)
 {
        int err = register_filesystem(&bm_fs_type);
        if (!err) {
-                err = register_binfmt(&misc_format);
+                err = insert_binfmt(&misc_format);
                if (err)
                        unregister_filesystem(&bm_fs_type);
        }
diff --git a/fs/bio-integrity.c b/fs/bio-integrity.c
index 612a5c38d3c1..4d0ff5ee27b8 100644
--- a/fs/bio-integrity.c
+++ b/fs/bio-integrity.c
@@ -413,10 +413,10 @@ int bio_integrity_prep(struct bio *bio)
        /* Allocate kernel buffer for protection data */
        len = sectors * blk_integrity_tuple_size(bi);
-        buf = kmalloc(len, GFP_NOIO | __GFP_NOFAIL | q->bounce_gfp);
+        buf = kmalloc(len, GFP_NOIO | q->bounce_gfp);
        if (unlikely(buf == NULL)) {
                printk(KERN_ERR "could not allocate integrity buffer\n");
-                return -EIO;
+                return -ENOMEM;
        }
        end = (((unsigned long) buf) + len + PAGE_SIZE - 1) >> PAGE_SHIFT;
diff --git a/fs/cifs/Kconfig b/fs/cifs/Kconfig
index 0da1debd499d..917b7d449bb2 100644
--- a/fs/cifs/Kconfig
+++ b/fs/cifs/Kconfig
@@ -2,8 +2,6 @@ config CIFS
        tristate "CIFS support (advanced network filesystem, SMBFS successor)"
        depends on INET
        select NLS
-        select CRYPTO_MD5
-        select CRYPTO_ARC4
        help
          This is the client VFS module for the Common Internet File System
          (CIFS) protocol which is the successor to the Server Message Block
diff --git a/fs/cifs/asn1.c b/fs/cifs/asn1.c
index 21f0fbd86989..cfd1ce34e0bc 100644
--- a/fs/cifs/asn1.c
+++ b/fs/cifs/asn1.c
@@ -597,13 +597,13 @@ decode_negTokenInit(unsigned char *security_blob, int length,
                                if (compare_oid(oid, oidlen, MSKRB5_OID,
                                                MSKRB5_OID_LEN))
                                        server->sec_mskerberos = true;
-                                if (compare_oid(oid, oidlen, KRB5U2U_OID,
+                                else if (compare_oid(oid, oidlen, KRB5U2U_OID,
                                                     KRB5U2U_OID_LEN))
                                        server->sec_kerberosu2u = true;
-                                if (compare_oid(oid, oidlen, KRB5_OID,
+                                else if (compare_oid(oid, oidlen, KRB5_OID,
                                                     KRB5_OID_LEN))
                                        server->sec_kerberos = true;
-                                if (compare_oid(oid, oidlen, NTLMSSP_OID,
+                                else if (compare_oid(oid, oidlen, NTLMSSP_OID,
                                                     NTLMSSP_OID_LEN))
                                        server->sec_ntlmssp = true;
diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index 709f2296bdb4..35042d8f7338 100644
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -27,7 +27,6 @@
 #include "md5.h"
 #include "cifs_unicode.h"
 #include "cifsproto.h"
-#include "ntlmssp.h"
 #include <linux/ctype.h>
 #include <linux/random.h>
@@ -43,43 +42,21 @@ extern void SMBencrypt(unsigned char *passwd, const unsigned char *c8,
                       unsigned char *p24);
 static int cifs_calculate_signature(const struct smb_hdr *cifs_pdu,
-                        struct TCP_Server_Info *server, char *signature)
+                                    const struct mac_key *key, char *signature)
 {
-        int rc;
+        struct  MD5Context context;
-        if (cifs_pdu == NULL || server == NULL || signature == NULL)
+        if ((cifs_pdu == NULL) || (signature == NULL) || (key == NULL))
                return -EINVAL;
-        if (!server->ntlmssp.sdescmd5) {
+        cifs_MD5_init(&context);
-                cERROR(1,
+        cifs_MD5_update(&context, (char *)&key->data, key->len);
-                        "cifs_calculate_signature: can't generate signature\n");
+        cifs_MD5_update(&context, cifs_pdu->Protocol, cifs_pdu->smb_buf_length);
-                return -1;
-        }
-        rc = crypto_shash_init(&server->ntlmssp.sdescmd5->shash);
-        if (rc) {
-                cERROR(1, "cifs_calculate_signature: oould not init md5\n");
-                return rc;
-        }
-        if (server->secType == RawNTLMSSP)
-                crypto_shash_update(&server->ntlmssp.sdescmd5->shash,
-                        server->session_key.data.ntlmv2.key,
-                        CIFS_NTLMV2_SESSKEY_SIZE);
-        else
-                crypto_shash_update(&server->ntlmssp.sdescmd5->shash,
-                        (char *)&server->session_key.data,
-                        server->session_key.len);
-        crypto_shash_update(&server->ntlmssp.sdescmd5->shash,
-                        cifs_pdu->Protocol, cifs_pdu->smb_buf_length);
-        rc = crypto_shash_final(&server->ntlmssp.sdescmd5->shash, signature);
+        cifs_MD5_final(signature, &context);
+        return 0;
-        return rc;
 }
 int cifs_sign_smb(struct smb_hdr *cifs_pdu, struct TCP_Server_Info *server,
                  __u32 *pexpected_response_sequence_number)
 {
@@ -101,7 +78,8 @@ int cifs_sign_smb(struct smb_hdr *cifs_pdu, struct TCP_Server_Info *server,
        server->sequence_number++;
        spin_unlock(&GlobalMid_Lock);
-        rc = cifs_calculate_signature(cifs_pdu, server, smb_signature);
+        rc = cifs_calculate_signature(cifs_pdu, &server->mac_signing_key,
+                                      smb_signature);
        if (rc)
                memset(cifs_pdu->Signature.SecuritySignature, 0, 8);
        else
@@ -111,39 +89,21 @@ int cifs_sign_smb(struct smb_hdr *cifs_pdu, struct TCP_Server_Info *server,
 }
 static int cifs_calc_signature2(const struct kvec *iov, int n_vec,
-                        struct TCP_Server_Info *server, char *signature)
+                                const struct mac_key *key, char *signature)
 {
+        struct  MD5Context context;
        int i;
-        int rc;
-        if (iov == NULL || server == NULL || signature == NULL)
+        if ((iov == NULL) || (signature == NULL) || (key == NULL))
                return -EINVAL;
-        if (!server->ntlmssp.sdescmd5) {
+        cifs_MD5_init(&context);
-                cERROR(1, "cifs_calc_signature2: can't generate signature\n");
+        cifs_MD5_update(&context, (char *)&key->data, key->len);
-                return -1;
-        }
-        rc = crypto_shash_init(&server->ntlmssp.sdescmd5->shash);
-        if (rc) {
-                cERROR(1, "cifs_calc_signature2: oould not init md5\n");
-                return rc;
-        }
-        if (server->secType == RawNTLMSSP)
-                crypto_shash_update(&server->ntlmssp.sdescmd5->shash,
-                        server->session_key.data.ntlmv2.key,
-                        CIFS_NTLMV2_SESSKEY_SIZE);
-        else
-                crypto_shash_update(&server->ntlmssp.sdescmd5->shash,
-                        (char *)&server->session_key.data,
-                        server->session_key.len);
        for (i = 0; i < n_vec; i++) {
                if (iov[i].iov_len == 0)
                        continue;
                if (iov[i].iov_base == NULL) {
-                        cERROR(1, "cifs_calc_signature2: null iovec entry");
+                        cERROR(1, "null iovec entry");
                        return -EIO;
                }
                /* The first entry includes a length field (which does not get
@@ -151,18 +111,18 @@ static int cifs_calc_signature2(const struct kvec *iov, int n_vec,
                if (i == 0) {
                        if (iov[0].iov_len <= 8) /* cmd field at offset 9 */
                                break; /* nothing to sign or corrupt header */
-                        crypto_shash_update(&server->ntlmssp.sdescmd5->shash,
+                        cifs_MD5_update(&context, iov[0].iov_base+4,
-                                iov[i].iov_base + 4, iov[i].iov_len - 4);
+                                  iov[0].iov_len-4);
                } else
-                        crypto_shash_update(&server->ntlmssp.sdescmd5->shash,
+                        cifs_MD5_update(&context, iov[i].iov_base, iov[i].iov_len);
-                                iov[i].iov_base, iov[i].iov_len);
        }
-        rc = crypto_shash_final(&server->ntlmssp.sdescmd5->shash, signature);
+        cifs_MD5_final(signature, &context);
-        return rc;
+        return 0;
 }
 int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *server,
                   __u32 *pexpected_response_sequence_number)
 {
@@ -185,7 +145,8 @@ int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *server,
        server->sequence_number++;
        spin_unlock(&GlobalMid_Lock);
-        rc = cifs_calc_signature2(iov, n_vec, server, smb_signature);
+        rc = cifs_calc_signature2(iov, n_vec, &server->mac_signing_key,
+                                      smb_signature);
        if (rc)
                memset(cifs_pdu->Signature.SecuritySignature, 0, 8);
        else
@@ -195,14 +156,14 @@ int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *server,
 }
 int cifs_verify_signature(struct smb_hdr *cifs_pdu,
-                          struct TCP_Server_Info *server,
+                          const struct mac_key *mac_key,
                          __u32 expected_sequence_number)
 {
-        int rc;
+        unsigned int rc;
        char server_response_sig[8];
        char what_we_think_sig_should_be[20];
-        if (cifs_pdu == NULL || server == NULL)
+        if ((cifs_pdu == NULL) || (mac_key == NULL))
                return -EINVAL;
        if (cifs_pdu->Command == SMB_COM_NEGOTIATE)
@@ -231,7 +192,7 @@ int cifs_verify_signature(struct smb_hdr *cifs_pdu,
                                        cpu_to_le32(expected_sequence_number);
        cifs_pdu->Signature.Sequence.Reserved = 0;
-        rc = cifs_calculate_signature(cifs_pdu, server,
+        rc = cifs_calculate_signature(cifs_pdu, mac_key,
                what_we_think_sig_should_be);
        if (rc)
@@ -248,7 +209,7 @@ int cifs_verify_signature(struct smb_hdr *cifs_pdu,
 }
 /* We fill in key by putting in 40 byte array which was allocated by caller */
-int cifs_calculate_session_key(struct session_key *key, const char *rn,
+int cifs_calculate_mac_key(struct mac_key *key, const char *rn,
                           const char *password)
 {
        char temp_key[16];
@@ -306,52 +267,38 @@ static int calc_ntlmv2_hash(struct cifsSesInfo *ses,
 {
        int rc = 0;
        int len;
-        char nt_hash[CIFS_NTHASH_SIZE];
+        char nt_hash[16];
+        struct HMACMD5Context *pctxt;
        wchar_t *user;
        wchar_t *domain;
-        wchar_t *server;
-        if (!ses->server->ntlmssp.sdeschmacmd5) {
+        pctxt = kmalloc(sizeof(struct HMACMD5Context), GFP_KERNEL);
-                cERROR(1, "calc_ntlmv2_hash: can't generate ntlmv2 hash\n");
-                return -1;
+        if (pctxt == NULL)
-        }
+                return -ENOMEM;
        /* calculate md4 hash of password */
        E_md4hash(ses->password, nt_hash);
-        crypto_shash_setkey(ses->server->ntlmssp.hmacmd5, nt_hash,
+        /* convert Domainname to unicode and uppercase */
-                                CIFS_NTHASH_SIZE);
+        hmac_md5_init_limK_to_64(nt_hash, 16, pctxt);
-        rc = crypto_shash_init(&ses->server->ntlmssp.sdeschmacmd5->shash);
-        if (rc) {
-                cERROR(1, "calc_ntlmv2_hash: could not init hmacmd5\n");
-                return rc;
-        }
        /* convert ses->userName to unicode and uppercase */
        len = strlen(ses->userName);
        user = kmalloc(2 + (len * 2), GFP_KERNEL);
-        if (user == NULL) {
+        if (user == NULL)
-                cERROR(1, "calc_ntlmv2_hash: user mem alloc failure\n");
-                rc = -ENOMEM;
                goto calc_exit_2;
-        }
        len = cifs_strtoUCS((__le16 *)user, ses->userName, len, nls_cp);
        UniStrupr(user);
+        hmac_md5_update((char *)user, 2*len, pctxt);
-        crypto_shash_update(&ses->server->ntlmssp.sdeschmacmd5->shash,
-                                (char *)user, 2 * len);
        /* convert ses->domainName to unicode and uppercase */
        if (ses->domainName) {
                len = strlen(ses->domainName);
                domain = kmalloc(2 + (len * 2), GFP_KERNEL);
-                if (domain == NULL) {
+                if (domain == NULL)
-                        cERROR(1, "calc_ntlmv2_hash: domain mem alloc failure");
-                        rc = -ENOMEM;
                        goto calc_exit_1;
-                }
                len = cifs_strtoUCS((__le16 *)domain, ses->domainName, len,
                                        nls_cp);
                /* the following line was removed since it didn't work well
@@ -359,292 +306,65 @@ static int calc_ntlmv2_hash(struct cifsSesInfo *ses,
                   Maybe converting the domain name earlier makes sense */
                /* UniStrupr(domain); */
-                crypto_shash_update(&ses->server->ntlmssp.sdeschmacmd5->shash,
+                hmac_md5_update((char *)domain, 2*len, pctxt);
-                                        (char *)domain, 2 * len);
                kfree(domain);
-        } else if (ses->serverName) {
-                len = strlen(ses->serverName);
-                server = kmalloc(2 + (len * 2), GFP_KERNEL);
-                if (server == NULL) {
-                        cERROR(1, "calc_ntlmv2_hash: server mem alloc failure");
-                        rc = -ENOMEM;
-                        goto calc_exit_1;
-                }
-                len = cifs_strtoUCS((__le16 *)server, ses->serverName, len,
-                                        nls_cp);
-                /* the following line was removed since it didn't work well
-                   with lower cased domain name that passed as an option.
-                   Maybe converting the domain name earlier makes sense */
-                /* UniStrupr(domain); */
-                crypto_shash_update(&ses->server->ntlmssp.sdeschmacmd5->shash,
-                                        (char *)server, 2 * len);
-                kfree(server);
        }
-        rc = crypto_shash_final(&ses->server->ntlmssp.sdeschmacmd5->shash,
-                                        ses->server->ntlmv2_hash);
 calc_exit_1:
        kfree(user);
 calc_exit_2:
        /* BB FIXME what about bytes 24 through 40 of the signing key?
           compare with the NTLM example */
+        hmac_md5_final(ses->server->ntlmv2_hash, pctxt);
+        kfree(pctxt);
        return rc;
 }
-static int
+void setup_ntlmv2_rsp(struct cifsSesInfo *ses, char *resp_buf,
-find_domain_name(struct cifsSesInfo *ses)
-{
-        int rc = 0;
-        unsigned int attrsize;
-        unsigned int type;
-        unsigned char *blobptr;
-        struct ntlmssp2_name *attrptr;
-        if (ses->server->tiblob) {
-                blobptr = ses->server->tiblob;
-                attrptr = (struct ntlmssp2_name *) blobptr;
-                while ((type = attrptr->type) != 0) {
-                        blobptr += 2; /* advance attr type */
-                        attrsize = attrptr->length;
-                        blobptr += 2; /* advance attr size */
-                        if (type == NTLMSSP_AV_NB_DOMAIN_NAME) {
-                                if (!ses->domainName) {
-                                        ses->domainName =
-                                                kmalloc(attrptr->length + 1,
-                                                                GFP_KERNEL);
-                                        if (!ses->domainName)
-                                                        return -ENOMEM;
-                                        cifs_from_ucs2(ses->domainName,
-                                                (__le16 *)blobptr,
-                                                attrptr->length,
-                                                attrptr->length,
-                                                load_nls_default(), false);
-                                }
-                        }
-                        blobptr += attrsize; /* advance attr  value */
-                        attrptr = (struct ntlmssp2_name *) blobptr;
-                }
-        } else {
-                ses->server->tilen = 2 * sizeof(struct ntlmssp2_name);
-                ses->server->tiblob = kmalloc(ses->server->tilen, GFP_KERNEL);
-                if (!ses->server->tiblob) {
-                        ses->server->tilen = 0;
-                        cERROR(1, "Challenge target info allocation failure");
-                        return -ENOMEM;
-                }
-                memset(ses->server->tiblob, 0x0, ses->server->tilen);
-                attrptr = (struct ntlmssp2_name *) ses->server->tiblob;
-                attrptr->type = cpu_to_le16(NTLMSSP_DOMAIN_TYPE);
-        }
-        return rc;
-}
-static int
-CalcNTLMv2_response(const struct TCP_Server_Info *server,
-                         char *v2_session_response)
-{
-        int rc;
-        if (!server->ntlmssp.sdeschmacmd5) {
-                cERROR(1, "calc_ntlmv2_hash: can't generate ntlmv2 hash\n");
-                return -1;
-        }
-        crypto_shash_setkey(server->ntlmssp.hmacmd5, server->ntlmv2_hash,
-                CIFS_HMAC_MD5_HASH_SIZE);
-        rc = crypto_shash_init(&server->ntlmssp.sdeschmacmd5->shash);
-        if (rc) {
-                cERROR(1, "CalcNTLMv2_response: could not init hmacmd5");
-                return rc;
-        }
-        memcpy(v2_session_response + CIFS_SERVER_CHALLENGE_SIZE,
-                server->cryptKey, CIFS_SERVER_CHALLENGE_SIZE);
-        crypto_shash_update(&server->ntlmssp.sdeschmacmd5->shash,
-                v2_session_response + CIFS_SERVER_CHALLENGE_SIZE,
-                sizeof(struct ntlmv2_resp) - CIFS_SERVER_CHALLENGE_SIZE);
-        if (server->tilen)
-                crypto_shash_update(&server->ntlmssp.sdeschmacmd5->shash,
-                                        server->tiblob, server->tilen);
-        rc = crypto_shash_final(&server->ntlmssp.sdeschmacmd5->shash,
-                                        v2_session_response);
-        return rc;
-}
-int
-setup_ntlmv2_rsp(struct cifsSesInfo *ses, char *resp_buf,
                      const struct nls_table *nls_cp)
 {
-        int rc = 0;
+        int rc;
        struct ntlmv2_resp *buf = (struct ntlmv2_resp *)resp_buf;
+        struct HMACMD5Context context;
        buf->blob_signature = cpu_to_le32(0x00000101);
        buf->reserved = 0;
        buf->time = cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME));
        get_random_bytes(&buf->client_chal, sizeof(buf->client_chal));
        buf->reserved2 = 0;
+        buf->names[0].type = cpu_to_le16(NTLMSSP_DOMAIN_TYPE);
-        if (!ses->domainName) {
+        buf->names[0].length = 0;
-                rc = find_domain_name(ses);
+        buf->names[1].type = 0;
-                if (rc) {
+        buf->names[1].length = 0;
-                        cERROR(1, "could not get domain/server name rc %d", rc);
-                        return rc;
-                }
-        }
        /* calculate buf->ntlmv2_hash */
        rc = calc_ntlmv2_hash(ses, nls_cp);
-        if (rc) {
+        if (rc)
-                cERROR(1, "could not get v2 hash rc %d", rc);
-                return rc;
-        }
-        rc = CalcNTLMv2_response(ses->server, resp_buf);
-        if (rc) {
                cERROR(1, "could not get v2 hash rc %d", rc);
-                return rc;
+        CalcNTLMv2_response(ses, resp_buf);
-        }
-        if (!ses->server->ntlmssp.sdeschmacmd5) {
-                cERROR(1, "calc_ntlmv2_hash: can't generate ntlmv2 hash\n");
-                return -1;
-        }
-        crypto_shash_setkey(ses->server->ntlmssp.hmacmd5,
-                        ses->server->ntlmv2_hash, CIFS_HMAC_MD5_HASH_SIZE);
-        rc = crypto_shash_init(&ses->server->ntlmssp.sdeschmacmd5->shash);
+        /* now calculate the MAC key for NTLMv2 */
-        if (rc) {
+        hmac_md5_init_limK_to_64(ses->server->ntlmv2_hash, 16, &context);
-                cERROR(1, "setup_ntlmv2_rsp: could not init hmacmd5\n");
+        hmac_md5_update(resp_buf, 16, &context);
-                return rc;
+        hmac_md5_final(ses->server->mac_signing_key.data.ntlmv2.key, &context);
-        }
-        crypto_shash_update(&ses->server->ntlmssp.sdeschmacmd5->shash,
+        memcpy(&ses->server->mac_signing_key.data.ntlmv2.resp, resp_buf,
-                                resp_buf, CIFS_HMAC_MD5_HASH_SIZE);
+               sizeof(struct ntlmv2_resp));
+        ses->server->mac_signing_key.len = 16 + sizeof(struct ntlmv2_resp);
-        rc = crypto_shash_final(&ses->server->ntlmssp.sdeschmacmd5->shash,
-                ses->server->session_key.data.ntlmv2.key);
-        memcpy(&ses->server->session_key.data.ntlmv2.resp, resp_buf,
-                        sizeof(struct ntlmv2_resp));
-        ses->server->session_key.len = 16 + sizeof(struct ntlmv2_resp);
-        return rc;
 }
-int
+void CalcNTLMv2_response(const struct cifsSesInfo *ses,
-calc_seckey(struct TCP_Server_Info *server)
+                         char *v2_session_response)
-{
-        int rc;
-        unsigned char sec_key[CIFS_NTLMV2_SESSKEY_SIZE];
-        struct crypto_blkcipher *tfm_arc4;
-        struct scatterlist sgin, sgout;
-        struct blkcipher_desc desc;
-        get_random_bytes(sec_key, CIFS_NTLMV2_SESSKEY_SIZE);
-        tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)",
-                                                0, CRYPTO_ALG_ASYNC);
-        if (!tfm_arc4 || IS_ERR(tfm_arc4)) {
-                cERROR(1, "could not allocate " "master crypto API arc4\n");
-                return 1;
-        }
-        desc.tfm = tfm_arc4;
-        crypto_blkcipher_setkey(tfm_arc4,
-                server->session_key.data.ntlmv2.key, CIFS_CPHTXT_SIZE);
-        sg_init_one(&sgin, sec_key, CIFS_CPHTXT_SIZE);
-        sg_init_one(&sgout, server->ntlmssp.ciphertext, CIFS_CPHTXT_SIZE);
-        rc = crypto_blkcipher_encrypt(&desc, &sgout, &sgin, CIFS_CPHTXT_SIZE);
-        if (!rc)
-                memcpy(server->session_key.data.ntlmv2.key,
-                                sec_key, CIFS_NTLMV2_SESSKEY_SIZE);
-        crypto_free_blkcipher(tfm_arc4);
-        return 0;
-}
-void
-cifs_crypto_shash_release(struct TCP_Server_Info *server)
-{
-        if (server->ntlmssp.md5)
-                crypto_free_shash(server->ntlmssp.md5);
-        if (server->ntlmssp.hmacmd5)
-                crypto_free_shash(server->ntlmssp.hmacmd5);
-        kfree(server->ntlmssp.sdeschmacmd5);
-        kfree(server->ntlmssp.sdescmd5);
-}
-int
-cifs_crypto_shash_allocate(struct TCP_Server_Info *server)
 {
-        int rc;
+        struct HMACMD5Context context;
-        unsigned int size;
+        /* rest of v2 struct already generated */
+        memcpy(v2_session_response + 8, ses->server->cryptKey, 8);
-        server->ntlmssp.hmacmd5 = crypto_alloc_shash("hmac(md5)", 0, 0);
+        hmac_md5_init_limK_to_64(ses->server->ntlmv2_hash, 16, &context);
-        if (!server->ntlmssp.hmacmd5 ||
-                        IS_ERR(server->ntlmssp.hmacmd5)) {
-                cERROR(1, "could not allocate crypto hmacmd5\n");
-                return 1;
-        }
-        server->ntlmssp.md5 = crypto_alloc_shash("md5", 0, 0);
-        if (!server->ntlmssp.md5 || IS_ERR(server->ntlmssp.md5)) {
-                cERROR(1, "could not allocate crypto md5\n");
-                rc = 1;
-                goto cifs_crypto_shash_allocate_ret1;
-        }
-        size = sizeof(struct shash_desc) +
-                        crypto_shash_descsize(server->ntlmssp.hmacmd5);
-        server->ntlmssp.sdeschmacmd5 = kmalloc(size, GFP_KERNEL);
-        if (!server->ntlmssp.sdeschmacmd5) {
-                cERROR(1, "cifs_crypto_shash_allocate: can't alloc hmacmd5\n");
-                rc = -ENOMEM;
-                goto cifs_crypto_shash_allocate_ret2;
-        }
-        server->ntlmssp.sdeschmacmd5->shash.tfm = server->ntlmssp.hmacmd5;
-        server->ntlmssp.sdeschmacmd5->shash.flags = 0x0;
+        hmac_md5_update(v2_session_response+8,
+                        sizeof(struct ntlmv2_resp) - 8, &context);
-        size = sizeof(struct shash_desc) +
+        hmac_md5_final(v2_session_response, &context);
-                        crypto_shash_descsize(server->ntlmssp.md5);
+/*      cifs_dump_mem("v2_sess_rsp: ", v2_session_response, 32); */
-        server->ntlmssp.sdescmd5 = kmalloc(size, GFP_KERNEL);
-        if (!server->ntlmssp.sdescmd5) {
-                cERROR(1, "cifs_crypto_shash_allocate: can't alloc md5\n");
-                rc = -ENOMEM;
-                goto cifs_crypto_shash_allocate_ret3;
-        }
-        server->ntlmssp.sdescmd5->shash.tfm = server->ntlmssp.md5;
-        server->ntlmssp.sdescmd5->shash.flags = 0x0;
-        return 0;
-cifs_crypto_shash_allocate_ret3:
-        kfree(server->ntlmssp.sdeschmacmd5);
-cifs_crypto_shash_allocate_ret2:
-        crypto_free_shash(server->ntlmssp.md5);
-cifs_crypto_shash_allocate_ret1:
-        crypto_free_shash(server->ntlmssp.hmacmd5);
-        return rc;
 }
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index c9d0cfc086eb..0cdfb8c32ac6 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -25,9 +25,6 @@
 #include <linux/workqueue.h>
 #include "cifs_fs_sb.h"
 #include "cifsacl.h"
-#include <crypto/internal/hash.h>
-#include <linux/scatterlist.h>
 /*
 * The sizes of various internal tables and strings
 */
@@ -100,7 +97,7 @@ enum protocolEnum {
        /* Netbios frames protocol not supported at this time */
 };
-struct session_key {
+struct mac_key {
        unsigned int len;
        union {
                char ntlm[CIFS_SESS_KEY_SIZE + 16];
@@ -123,21 +120,6 @@ struct cifs_cred {
        struct cifs_ace *aces;
 };
-struct sdesc {
-        struct shash_desc shash;
-        char ctx[];
-};
-struct ntlmssp_auth {
-        __u32 client_flags;
-        __u32 server_flags;
-        unsigned char ciphertext[CIFS_CPHTXT_SIZE];
-        struct crypto_shash *hmacmd5;
-        struct crypto_shash *md5;
-        struct sdesc *sdeschmacmd5;
-        struct sdesc *sdescmd5;
-};
 /*
 *****************************************************************
 * Except the CIFS PDUs themselves all the
@@ -200,14 +182,11 @@ struct TCP_Server_Info {
        /* 16th byte of RFC1001 workstation name is always null */
        char workstation_RFC1001_name[RFC1001_NAME_LEN_WITH_NULL];
        __u32 sequence_number; /* needed for CIFS PDU signature */
-        struct session_key session_key;
+        struct mac_key mac_signing_key;
        char ntlmv2_hash[16];
        unsigned long lstrp; /* when we got last response from this server */
        u16 dialect; /* dialect index that server chose */
        /* extended security flavors that server supports */
-        unsigned int tilen; /* length of the target info blob */
-        unsigned char *tiblob; /* target info blob in challenge response */
-        struct ntlmssp_auth ntlmssp; /* various keys, ciphers, flags */
        bool    sec_kerberos;           /* supports plain Kerberos */
        bool    sec_mskerberos;         /* supports legacy MS Kerberos */
        bool    sec_kerberosu2u;        /* supports U2U Kerberos */
diff --git a/fs/cifs/cifspdu.h b/fs/cifs/cifspdu.h
index 320e0fd0ba7b..14d036d8db11 100644
--- a/fs/cifs/cifspdu.h
+++ b/fs/cifs/cifspdu.h
@@ -134,12 +134,6 @@
 * Size of the session key (crypto key encrypted with the password
 */
 #define CIFS_SESS_KEY_SIZE (24)
-#define CIFS_CLIENT_CHALLENGE_SIZE (8)
-#define CIFS_SERVER_CHALLENGE_SIZE (8)
-#define CIFS_HMAC_MD5_HASH_SIZE (16)
-#define CIFS_CPHTXT_SIZE (16)
-#define CIFS_NTLMV2_SESSKEY_SIZE (16)
-#define CIFS_NTHASH_SIZE (16)
 /*
 * Maximum user name length
@@ -669,6 +663,7 @@ struct ntlmv2_resp {
        __le64  time;
        __u64  client_chal; /* random */
        __u32  reserved2;
+        struct ntlmssp2_name names[2];
        /* array of name entries could follow ending in minimum 4 byte struct */
 } __attribute__((packed));
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 1378d9133844..1d60c655e3e0 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -87,8 +87,9 @@ extern unsigned int smbCalcSize_LE(struct smb_hdr *ptr);
 extern int decode_negTokenInit(unsigned char *security_blob, int length,
                        struct TCP_Server_Info *server);
 extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
+extern int cifs_set_port(struct sockaddr *addr, const unsigned short int port);
 extern int cifs_fill_sockaddr(struct sockaddr *dst, const char *src, int len,
-                                unsigned short int port);
+                                const unsigned short int port);
 extern int map_smb_to_linux_error(struct smb_hdr *smb, int logErr);
 extern void header_assemble(struct smb_hdr *, char /* command */ ,
                            const struct cifsTconInfo *, int /* length of
@@ -361,15 +362,13 @@ extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
 extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
                          __u32 *);
 extern int cifs_verify_signature(struct smb_hdr *,
-                                 struct TCP_Server_Info *server,
+                                 const struct mac_key *mac_key,
                                __u32 expected_sequence_number);
-extern int cifs_calculate_session_key(struct session_key *key, const char *rn,
+extern int cifs_calculate_mac_key(struct mac_key *key, const char *rn,
                                 const char *pass);
-extern int setup_ntlmv2_rsp(struct cifsSesInfo *, char *,
+extern void CalcNTLMv2_response(const struct cifsSesInfo *, char *);
+extern void setup_ntlmv2_rsp(struct cifsSesInfo *, char *,
                             const struct nls_table *);
-extern int cifs_crypto_shash_allocate(struct TCP_Server_Info *);
-extern void cifs_crypto_shash_release(struct TCP_Server_Info *);
-extern int calc_seckey(struct TCP_Server_Info *);
 #ifdef CONFIG_CIFS_WEAK_PW_HASH
 extern void calc_lanman_hash(const char *password, const char *cryptkey,
                                bool encrypt, char *lnm_session_key);
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 4bda920d1f75..c65c3419dd37 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -604,14 +604,11 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
                        else
                                rc = -EINVAL;
-                        if (server->secType == Kerberos) {
+                        if (server->sec_kerberos || server->sec_mskerberos)
-                                if (!server->sec_kerberos &&
+                                server->secType = Kerberos;
-                                                !server->sec_mskerberos)
+                        else if (server->sec_ntlmssp)
-                                        rc = -EOPNOTSUPP;
+                                server->secType = RawNTLMSSP;
-                        } else if (server->secType == RawNTLMSSP) {
+                        else
-                                if (!server->sec_ntlmssp)
-                                        rc = -EOPNOTSUPP;
-                        } else
                                rc = -EOPNOTSUPP;
                }
        } else
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index ec0ea4a43bdb..88c84a38bccb 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -400,7 +400,9 @@ incomplete_rcv:
                        cFYI(1, "call to reconnect done");
                        csocket = server->ssocket;
                        continue;
-                } else if ((length == -ERESTARTSYS) || (length == -EAGAIN)) {
+                } else if (length == -ERESTARTSYS ||
+                           length == -EAGAIN ||
+                           length == -EINTR) {
                        msleep(1); /* minimum sleep to prevent looping
                                allowing socket to clear and app threads to set
                                tcpStatus CifsNeedReconnect if server hung */
@@ -414,18 +416,6 @@ incomplete_rcv:
                        } else
                                continue;
                } else if (length <= 0) {
-                        if (server->tcpStatus == CifsNew) {
-                                cFYI(1, "tcp session abend after SMBnegprot");
-                                /* some servers kill the TCP session rather than
-                                   returning an SMB negprot error, in which
-                                   case reconnecting here is not going to help,
-                                   and so simply return error to mount */
-                                break;
-                        }
-                        if (!try_to_freeze() && (length == -EINTR)) {
-                                cFYI(1, "cifsd thread killed");
-                                break;
-                        }
                        cFYI(1, "Reconnect after unexpected peek error %d",
                                length);
                        cifs_reconnect(server);
@@ -466,27 +456,19 @@ incomplete_rcv:
                           an error on SMB negprot response */
                        cFYI(1, "Negative RFC1002 Session Response Error 0x%x)",
                                pdu_length);
-                        if (server->tcpStatus == CifsNew) {
+                        /* give server a second to clean up  */
-                                /* if nack on negprot (rather than
+                        msleep(1000);
-                                ret of smb negprot error) reconnecting
+                        /* always try 445 first on reconnect since we get NACK
-                                not going to help, ret error to mount */
+                         * on some if we ever connected to port 139 (the NACK
-                                break;
+                         * is since we do not begin with RFC1001 session
-                        } else {
+                         * initialize frame)
-                                /* give server a second to
+                         */
-                                clean up before reconnect attempt */
+                        cifs_set_port((struct sockaddr *)
-                                msleep(1000);
+                                        &server->addr.sockAddr, CIFS_PORT);
-                                /* always try 445 first on reconnect
+                        cifs_reconnect(server);
-                                since we get NACK on some if we ever
+                        csocket = server->ssocket;
-                                connected to port 139 (the NACK is
+                        wake_up(&server->response_q);
-                                since we do not begin with RFC1001
+                        continue;
-                                session initialize frame) */
-                                server->addr.sockAddr.sin_port =
-                                        htons(CIFS_PORT);
-                                cifs_reconnect(server);
-                                csocket = server->ssocket;
-                                wake_up(&server->response_q);
-                                continue;
-                        }
                } else if (temp != (char) 0) {
                        cERROR(1, "Unknown RFC 1002 frame");
                        cifs_dump_mem(" Received Data: ", (char *)smb_buffer,
@@ -522,8 +504,7 @@ incomplete_rcv:
                     total_read += length) {
                        length = kernel_recvmsg(csocket, &smb_msg, &iov, 1,
                                                pdu_length - total_read, 0);
-                        if ((server->tcpStatus == CifsExiting) ||
+                        if (server->tcpStatus == CifsExiting) {
-                            (length == -EINTR)) {
                                /* then will exit */
                                reconnect = 2;
                                break;
@@ -534,8 +515,9 @@ incomplete_rcv:
                                /* Now we will reread sock */
                                reconnect = 1;
                                break;
-                        } else if ((length == -ERESTARTSYS) ||
+                        } else if (length == -ERESTARTSYS ||
-                                   (length == -EAGAIN)) {
+                                   length == -EAGAIN ||
+                                   length == -EINTR) {
                                msleep(1); /* minimum sleep to prevent looping,
                                              allowing socket to clear and app
                                              threads to set tcpStatus
@@ -1708,7 +1690,6 @@ cifs_put_smb_ses(struct cifsSesInfo *ses)
                CIFSSMBLogoff(xid, ses);
                _FreeXid(xid);
        }
-        cifs_crypto_shash_release(server);
        sesInfoFree(ses);
        cifs_put_tcp_session(server);
 }
@@ -1725,9 +1706,6 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info)
        if (ses) {
                cFYI(1, "Existing smb sess found (status=%d)", ses->status);
-                /* existing SMB ses has a server reference already */
-                cifs_put_tcp_session(server);
                mutex_lock(&ses->session_mutex);
                rc = cifs_negotiate_protocol(xid, ses);
                if (rc) {
@@ -1750,6 +1728,9 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info)
                        }
                }
                mutex_unlock(&ses->session_mutex);
+                /* existing SMB ses has a server reference already */
+                cifs_put_tcp_session(server);
                FreeXid(xid);
                return ses;
        }
@@ -1788,23 +1769,13 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info)
        ses->linux_uid = volume_info->linux_uid;
        ses->overrideSecFlg = volume_info->secFlg;
-        rc = cifs_crypto_shash_allocate(server);
-        if (rc) {
-                cERROR(1, "could not setup hash structures rc %d", rc);
-                goto get_ses_fail;
-        }
-        server->tilen = 0;
-        server->tiblob = NULL;
        mutex_lock(&ses->session_mutex);
        rc = cifs_negotiate_protocol(xid, ses);
        if (!rc)
                rc = cifs_setup_session(xid, ses, volume_info->local_nls);
        mutex_unlock(&ses->session_mutex);
-        if (rc) {
+        if (rc)
-                cifs_crypto_shash_release(ses->server);
                goto get_ses_fail;
-        }
        /* success, put it on the list */
        write_lock(&cifs_tcp_ses_lock);
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 86a164f08a74..93f77d438d3c 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1462,29 +1462,18 @@ int cifs_rename(struct inode *source_dir, struct dentry *source_dentry,
 {
        char *fromName = NULL;
        char *toName = NULL;
-        struct cifs_sb_info *cifs_sb_source;
+        struct cifs_sb_info *cifs_sb;
-        struct cifs_sb_info *cifs_sb_target;
        struct cifsTconInfo *tcon;
        FILE_UNIX_BASIC_INFO *info_buf_source = NULL;
        FILE_UNIX_BASIC_INFO *info_buf_target;
        int xid, rc, tmprc;
-        cifs_sb_target = CIFS_SB(target_dir->i_sb);
+        cifs_sb = CIFS_SB(source_dir->i_sb);
-        cifs_sb_source = CIFS_SB(source_dir->i_sb);
+        tcon = cifs_sb->tcon;
-        tcon = cifs_sb_source->tcon;
        xid = GetXid();
        /*
-         * BB: this might be allowed if same server, but different share.
-         * Consider adding support for this
-         */
-        if (tcon != cifs_sb_target->tcon) {
-                rc = -EXDEV;
-                goto cifs_rename_exit;
-        }
-        /*
         * we already have the rename sem so we do not need to
         * grab it again here to protect the path integrity
         */
@@ -1519,17 +1508,16 @@ int cifs_rename(struct inode *source_dir, struct dentry *source_dentry,
                info_buf_target = info_buf_source + 1;
                tmprc = CIFSSMBUnixQPathInfo(xid, tcon, fromName,
                                        info_buf_source,
-                                        cifs_sb_source->local_nls,
+                                        cifs_sb->local_nls,
-                                        cifs_sb_source->mnt_cifs_flags &
+                                        cifs_sb->mnt_cifs_flags &
                                        CIFS_MOUNT_MAP_SPECIAL_CHR);
                if (tmprc != 0)
                        goto unlink_target;
-                tmprc = CIFSSMBUnixQPathInfo(xid, tcon,
+                tmprc = CIFSSMBUnixQPathInfo(xid, tcon, toName,
-                                        toName, info_buf_target,
+                                        info_buf_target,
-                                        cifs_sb_target->local_nls,
+                                        cifs_sb->local_nls,
-                                        /* remap based on source sb */
+                                        cifs_sb->mnt_cifs_flags &
-                                        cifs_sb_source->mnt_cifs_flags &
                                        CIFS_MOUNT_MAP_SPECIAL_CHR);
                if (tmprc == 0 && (info_buf_source->UniqueId ==
diff --git a/fs/cifs/netmisc.c b/fs/cifs/netmisc.c
index f97851119e6c..9aad47a2d62f 100644
--- a/fs/cifs/netmisc.c
+++ b/fs/cifs/netmisc.c
@@ -206,26 +206,30 @@ cifs_convert_address(struct sockaddr *dst, const char *src, int len)
 }
 int
-cifs_fill_sockaddr(struct sockaddr *dst, const char *src, int len,
+cifs_set_port(struct sockaddr *addr, const unsigned short int port)
-                   const unsigned short int port)
 {
-        if (!cifs_convert_address(dst, src, len))
+        switch (addr->sa_family) {
-                return 0;
-        switch (dst->sa_family) {
        case AF_INET:
-                ((struct sockaddr_in *)dst)->sin_port = htons(port);
+                ((struct sockaddr_in *)addr)->sin_port = htons(port);
                break;
        case AF_INET6:
-                ((struct sockaddr_in6 *)dst)->sin6_port = htons(port);
+                ((struct sockaddr_in6 *)addr)->sin6_port = htons(port);
                break;
        default:
                return 0;
        }
        return 1;
 }
+int
+cifs_fill_sockaddr(struct sockaddr *dst, const char *src, int len,
+                   const unsigned short int port)
+{
+        if (!cifs_convert_address(dst, src, len))
+                return 0;
+        return cifs_set_port(dst, port);
+}
 /*****************************************************************************
 convert a NT status code to a dos class/code
 *****************************************************************************/
diff --git a/fs/cifs/ntlmssp.h b/fs/cifs/ntlmssp.h
index 1db0f0746a5b..49c9a4e75319 100644
--- a/fs/cifs/ntlmssp.h
+++ b/fs/cifs/ntlmssp.h
@@ -61,19 +61,6 @@
 #define NTLMSSP_NEGOTIATE_KEY_XCH   0x40000000
 #define NTLMSSP_NEGOTIATE_56        0x80000000
-/* Define AV Pair Field IDs */
-#define NTLMSSP_AV_EOL                  0
-#define NTLMSSP_AV_NB_COMPUTER_NAME     1
-#define NTLMSSP_AV_NB_DOMAIN_NAME       2
-#define NTLMSSP_AV_DNS_COMPUTER_NAME    3
-#define NTLMSSP_AV_DNS_DOMAIN_NAME      4
-#define NTLMSSP_AV_DNS_TREE_NAME        5
-#define NTLMSSP_AV_FLAGS                6
-#define NTLMSSP_AV_TIMESTAMP            7
-#define NTLMSSP_AV_RESTRICTION          8
-#define NTLMSSP_AV_TARGET_NAME          9
-#define NTLMSSP_AV_CHANNEL_BINDINGS     10
 /* Although typedefs are not commonly used for structure definitions */
 /* in the Linux kernel, in this particular case they are useful      */
 /* to more closely match the standards document for NTLMSSP from     */
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 795095f4eac6..0a57cb7db5dd 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -383,9 +383,6 @@ static int decode_ascii_ssetup(char **pbcc_area, int bleft,
 static int decode_ntlmssp_challenge(char *bcc_ptr, int blob_len,
                                    struct cifsSesInfo *ses)
 {
-        unsigned int tioffset; /* challeng message target info area */
-        unsigned int tilen; /* challeng message target info area length  */
        CHALLENGE_MESSAGE *pblob = (CHALLENGE_MESSAGE *)bcc_ptr;
        if (blob_len < sizeof(CHALLENGE_MESSAGE)) {
@@ -408,20 +405,6 @@ static int decode_ntlmssp_challenge(char *bcc_ptr, int blob_len,
        /* BB spec says that if AvId field of MsvAvTimestamp is populated then
                we must set the MIC field of the AUTHENTICATE_MESSAGE */
-        ses->server->ntlmssp.server_flags = le32_to_cpu(pblob->NegotiateFlags);
-        tioffset = cpu_to_le16(pblob->TargetInfoArray.BufferOffset);
-        tilen = cpu_to_le16(pblob->TargetInfoArray.Length);
-        ses->server->tilen = tilen;
-        if (tilen) {
-                ses->server->tiblob = kmalloc(tilen, GFP_KERNEL);
-                if (!ses->server->tiblob) {
-                        cERROR(1, "Challenge target info allocation failure");
-                        return -ENOMEM;
-                }
-                memcpy(ses->server->tiblob,  bcc_ptr + tioffset, tilen);
-        }
        return 0;
 }
@@ -442,13 +425,12 @@ static void build_ntlmssp_negotiate_blob(unsigned char *pbuffer,
        /* BB is NTLMV2 session security format easier to use here? */
        flags = NTLMSSP_NEGOTIATE_56 |  NTLMSSP_REQUEST_TARGET |
                NTLMSSP_NEGOTIATE_128 | NTLMSSP_NEGOTIATE_UNICODE |
-                NTLMSSP_NEGOTIATE_NTLM;
+                NTLMSSP_NEGOTIATE_NT_ONLY | NTLMSSP_NEGOTIATE_NTLM;
        if (ses->server->secMode &
-           (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) {
+           (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
-                flags |= NTLMSSP_NEGOTIATE_SIGN |
+                flags |= NTLMSSP_NEGOTIATE_SIGN;
-                        NTLMSSP_NEGOTIATE_KEY_XCH |
+        if (ses->server->secMode & SECMODE_SIGN_REQUIRED)
-                        NTLMSSP_NEGOTIATE_EXTENDED_SEC;
+                flags |= NTLMSSP_NEGOTIATE_ALWAYS_SIGN;
-        }
        sec_blob->NegotiateFlags |= cpu_to_le32(flags);
@@ -469,12 +451,10 @@ static int build_ntlmssp_auth_blob(unsigned char *pbuffer,
                                   struct cifsSesInfo *ses,
                                   const struct nls_table *nls_cp, bool first)
 {
-        int rc;
-        unsigned int size;
        AUTHENTICATE_MESSAGE *sec_blob = (AUTHENTICATE_MESSAGE *)pbuffer;
        __u32 flags;
        unsigned char *tmp;
-        struct ntlmv2_resp ntlmv2_response = {};
+        char ntlm_session_key[CIFS_SESS_KEY_SIZE];
        memcpy(sec_blob->Signature, NTLMSSP_SIGNATURE, 8);
        sec_blob->MessageType = NtLmAuthenticate;
@@ -497,25 +477,19 @@ static int build_ntlmssp_auth_blob(unsigned char *pbuffer,
        sec_blob->LmChallengeResponse.Length = 0;
        sec_blob->LmChallengeResponse.MaximumLength = 0;
-        sec_blob->NtChallengeResponse.BufferOffset = cpu_to_le32(tmp - pbuffer);
+        /* calculate session key,  BB what about adding similar ntlmv2 path? */
-        rc = setup_ntlmv2_rsp(ses, (char *)&ntlmv2_response, nls_cp);
+        SMBNTencrypt(ses->password, ses->server->cryptKey, ntlm_session_key);
-        if (rc) {
+        if (first)
-                cERROR(1, "error rc: %d during ntlmssp ntlmv2 setup", rc);
+                cifs_calculate_mac_key(&ses->server->mac_signing_key,
-                goto setup_ntlmv2_ret;
+                                       ntlm_session_key, ses->password);
-        }
-        size =  sizeof(struct ntlmv2_resp);
-        memcpy(tmp, (char *)&ntlmv2_response, size);
-        tmp += size;
-        if (ses->server->tilen > 0) {
-                memcpy(tmp, ses->server->tiblob, ses->server->tilen);
-                tmp += ses->server->tilen;
-        } else
-                ses->server->tilen = 0;
-        sec_blob->NtChallengeResponse.Length = cpu_to_le16(size +
+        memcpy(tmp, ntlm_session_key, CIFS_SESS_KEY_SIZE);
-                                ses->server->tilen);
+        sec_blob->NtChallengeResponse.BufferOffset = cpu_to_le32(tmp - pbuffer);
+        sec_blob->NtChallengeResponse.Length = cpu_to_le16(CIFS_SESS_KEY_SIZE);
        sec_blob->NtChallengeResponse.MaximumLength =
-                cpu_to_le16(size + ses->server->tilen);
+                                cpu_to_le16(CIFS_SESS_KEY_SIZE);
+        tmp += CIFS_SESS_KEY_SIZE;
        if (ses->domainName == NULL) {
                sec_blob->DomainName.BufferOffset = cpu_to_le32(tmp - pbuffer);
@@ -527,6 +501,7 @@ static int build_ntlmssp_auth_blob(unsigned char *pbuffer,
                len = cifs_strtoUCS((__le16 *)tmp, ses->domainName,
                                    MAX_USERNAME_SIZE, nls_cp);
                len *= 2; /* unicode is 2 bytes each */
+                len += 2; /* trailing null */
                sec_blob->DomainName.BufferOffset = cpu_to_le32(tmp - pbuffer);
                sec_blob->DomainName.Length = cpu_to_le16(len);
                sec_blob->DomainName.MaximumLength = cpu_to_le16(len);
@@ -543,6 +518,7 @@ static int build_ntlmssp_auth_blob(unsigned char *pbuffer,
                len = cifs_strtoUCS((__le16 *)tmp, ses->userName,
                                    MAX_USERNAME_SIZE, nls_cp);
                len *= 2; /* unicode is 2 bytes each */
+                len += 2; /* trailing null */
                sec_blob->UserName.BufferOffset = cpu_to_le32(tmp - pbuffer);
                sec_blob->UserName.Length = cpu_to_le16(len);
                sec_blob->UserName.MaximumLength = cpu_to_le16(len);
@@ -554,26 +530,9 @@ static int build_ntlmssp_auth_blob(unsigned char *pbuffer,
        sec_blob->WorkstationName.MaximumLength = 0;
        tmp += 2;
-        if ((ses->server->ntlmssp.server_flags & NTLMSSP_NEGOTIATE_KEY_XCH) &&
+        sec_blob->SessionKey.BufferOffset = cpu_to_le32(tmp - pbuffer);
-                        !calc_seckey(ses->server)) {
+        sec_blob->SessionKey.Length = 0;
-                memcpy(tmp, ses->server->ntlmssp.ciphertext, CIFS_CPHTXT_SIZE);
+        sec_blob->SessionKey.MaximumLength = 0;
-                sec_blob->SessionKey.BufferOffset = cpu_to_le32(tmp - pbuffer);
-                sec_blob->SessionKey.Length = cpu_to_le16(CIFS_CPHTXT_SIZE);
-                sec_blob->SessionKey.MaximumLength =
-                        cpu_to_le16(CIFS_CPHTXT_SIZE);
-                tmp += CIFS_CPHTXT_SIZE;
-        } else {
-                sec_blob->SessionKey.BufferOffset = cpu_to_le32(tmp - pbuffer);
-                sec_blob->SessionKey.Length = 0;
-                sec_blob->SessionKey.MaximumLength = 0;
-        }
-        ses->server->sequence_number = 0;
-setup_ntlmv2_ret:
-        if (ses->server->tilen > 0)
-                kfree(ses->server->tiblob);
        return tmp - pbuffer;
 }
@@ -587,14 +546,15 @@ static void setup_ntlmssp_neg_req(SESSION_SETUP_ANDX *pSMB,
        return;
 }
-static int setup_ntlmssp_auth_req(char *ntlmsspblob,
+static int setup_ntlmssp_auth_req(SESSION_SETUP_ANDX *pSMB,
                                  struct cifsSesInfo *ses,
                                  const struct nls_table *nls, bool first_time)
 {
        int bloblen;
-        bloblen = build_ntlmssp_auth_blob(ntlmsspblob, ses, nls,
+        bloblen = build_ntlmssp_auth_blob(&pSMB->req.SecurityBlob[0], ses, nls,
                                          first_time);
+        pSMB->req.SecurityBlobLength = cpu_to_le16(bloblen);
        return bloblen;
 }
@@ -730,7 +690,7 @@ ssetup_ntlmssp_authenticate:
                if (first_time) /* should this be moved into common code
                                  with similar ntlmv2 path? */
-                        cifs_calculate_session_key(&ses->server->session_key,
+                        cifs_calculate_mac_key(&ses->server->mac_signing_key,
                                ntlm_session_key, ses->password);
                /* copy session key */
@@ -769,21 +729,12 @@ ssetup_ntlmssp_authenticate:
                        cpu_to_le16(sizeof(struct ntlmv2_resp));
                /* calculate session key */
-                rc = setup_ntlmv2_rsp(ses, v2_sess_key, nls_cp);
+                setup_ntlmv2_rsp(ses, v2_sess_key, nls_cp);
-                if (rc) {
-                        kfree(v2_sess_key);
-                        goto ssetup_exit;
-                }
                /* FIXME: calculate MAC key */
                memcpy(bcc_ptr, (char *)v2_sess_key,
                       sizeof(struct ntlmv2_resp));
                bcc_ptr += sizeof(struct ntlmv2_resp);
                kfree(v2_sess_key);
-                if (ses->server->tilen > 0) {
-                        memcpy(bcc_ptr, ses->server->tiblob,
-                                ses->server->tilen);
-                        bcc_ptr += ses->server->tilen;
-                }
                if (ses->capabilities & CAP_UNICODE) {
                        if (iov[0].iov_len % 2) {
                                *bcc_ptr = 0;
@@ -814,15 +765,15 @@ ssetup_ntlmssp_authenticate:
                }
                /* bail out if key is too long */
                if (msg->sesskey_len >
-                    sizeof(ses->server->session_key.data.krb5)) {
+                    sizeof(ses->server->mac_signing_key.data.krb5)) {
                        cERROR(1, "Kerberos signing key too long (%u bytes)",
                                msg->sesskey_len);
                        rc = -EOVERFLOW;
                        goto ssetup_exit;
                }
                if (first_time) {
-                        ses->server->session_key.len = msg->sesskey_len;
+                        ses->server->mac_signing_key.len = msg->sesskey_len;
-                        memcpy(ses->server->session_key.data.krb5,
+                        memcpy(ses->server->mac_signing_key.data.krb5,
                                msg->data, msg->sesskey_len);
                }
                pSMB->req.hdr.Flags2 |= SMBFLG2_EXT_SEC;
@@ -864,28 +815,12 @@ ssetup_ntlmssp_authenticate:
                        if (phase == NtLmNegotiate) {
                                setup_ntlmssp_neg_req(pSMB, ses);
                                iov[1].iov_len = sizeof(NEGOTIATE_MESSAGE);
-                                iov[1].iov_base = &pSMB->req.SecurityBlob[0];
                        } else if (phase == NtLmAuthenticate) {
                                int blob_len;
-                                char *ntlmsspblob;
+                                blob_len = setup_ntlmssp_auth_req(pSMB, ses,
+                                                                  nls_cp,
-                                ntlmsspblob = kmalloc(5 *
+                                                                  first_time);
-                                        sizeof(struct _AUTHENTICATE_MESSAGE),
-                                        GFP_KERNEL);
-                                if (!ntlmsspblob) {
-                                        cERROR(1, "Can't allocate NTLMSSP");
-                                        rc = -ENOMEM;
-                                        goto ssetup_exit;
-                                }
-                                blob_len = setup_ntlmssp_auth_req(ntlmsspblob,
-                                                                ses,
-                                                                nls_cp,
-                                                                first_time);
                                iov[1].iov_len = blob_len;
-                                iov[1].iov_base = ntlmsspblob;
-                                pSMB->req.SecurityBlobLength =
-                                        cpu_to_le16(blob_len);
                                /* Make sure that we tell the server that we
                                   are using the uid that it just gave us back
                                   on the response (challenge) */
@@ -895,6 +830,7 @@ ssetup_ntlmssp_authenticate:
                                rc = -ENOSYS;
                                goto ssetup_exit;
                        }
+                        iov[1].iov_base = &pSMB->req.SecurityBlob[0];
                        /* unicode strings must be word aligned */
                        if ((iov[0].iov_len + iov[1].iov_len) % 2) {
                                *bcc_ptr = 0;
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index e0588cdf4cc5..82f78c4d6978 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -543,7 +543,7 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses,
                    (ses->server->secMode & (SECMODE_SIGN_REQUIRED |
                                             SECMODE_SIGN_ENABLED))) {
                        rc = cifs_verify_signature(midQ->resp_buf,
-                                                ses->server,
+                                                &ses->server->mac_signing_key,
                                                midQ->sequence_number+1);
                        if (rc) {
                                cERROR(1, "Unexpected SMB signature");
@@ -731,7 +731,7 @@ SendReceive(const unsigned int xid, struct cifsSesInfo *ses,
                    (ses->server->secMode & (SECMODE_SIGN_REQUIRED |
                                             SECMODE_SIGN_ENABLED))) {
                        rc = cifs_verify_signature(out_buf,
-                                                ses->server,
+                                                &ses->server->mac_signing_key,
                                                midQ->sequence_number+1);
                        if (rc) {
                                cERROR(1, "Unexpected SMB signature");
@@ -981,7 +981,7 @@ SendReceiveBlockingLock(const unsigned int xid, struct cifsTconInfo *tcon,
            (ses->server->secMode & (SECMODE_SIGN_REQUIRED |
                                     SECMODE_SIGN_ENABLED))) {
                rc = cifs_verify_signature(out_buf,
-                                           ses->server,
+                                           &ses->server->mac_signing_key,
                                           midQ->sequence_number+1);
                if (rc) {
                        cERROR(1, "Unexpected SMB signature");
diff --git a/fs/coda/psdev.c b/fs/coda/psdev.c
index de89645777c7..116af7546cf0 100644
--- a/fs/coda/psdev.c
+++ b/fs/coda/psdev.c
@@ -184,8 +184,8 @@ static ssize_t coda_psdev_write(struct file *file, const char __user *buf,
        }
        /* adjust outsize. is this useful ?? */
-        req->uc_outSize = nbytes;       
+        req->uc_outSize = nbytes;
-        req->uc_flags |= REQ_WRITE;
+        req->uc_flags |= CODA_REQ_WRITE;
        count = nbytes;
        /* Convert filedescriptor into a file handle */
diff --git a/fs/direct-io.c b/fs/direct-io.c
index 51f270b479b6..48d74c7391d1 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -634,7 +634,7 @@ static int dio_send_cur_page(struct dio *dio)
        int ret = 0;
        if (dio->bio) {
-                loff_t cur_offset = dio->block_in_file << dio->blkbits;
+                loff_t cur_offset = dio->cur_page_fs_offset;
                loff_t bio_next_offset = dio->logical_offset_in_bio +
                        dio->bio->bi_size;
@@ -659,7 +659,7 @@ static int dio_send_cur_page(struct dio *dio)
                 * Submit now if the underlying fs is about to perform a
                 * metadata read
                 */
-                if (dio->boundary)
+                else if (dio->boundary)
                        dio_bio_submit(dio);
        }
diff --git a/fs/exec.c b/fs/exec.c
index 2d9455282744..828dd2461d6b 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -376,6 +376,9 @@ static int count(const char __user * const __user * argv, int max)
                        argv++;
                        if (i++ >= max)
                                return -E2BIG;
+                        if (fatal_signal_pending(current))
+                                return -ERESTARTNOHAND;
                        cond_resched();
                }
        }
@@ -419,6 +422,12 @@ static int copy_strings(int argc, const char __user *const __user *argv,
                while (len > 0) {
                        int offset, bytes_to_copy;
+                        if (fatal_signal_pending(current)) {
+                                ret = -ERESTARTNOHAND;
+                                goto out;
+                        }
+                        cond_resched();
                        offset = pos % PAGE_SIZE;
                        if (offset == 0)
                                offset = PAGE_SIZE;
@@ -594,6 +603,11 @@ int setup_arg_pages(struct linux_binprm *bprm,
 #else
        stack_top = arch_align_stack(stack_top);
        stack_top = PAGE_ALIGN(stack_top);
+        if (unlikely(stack_top < mmap_min_addr) ||
+            unlikely(vma->vm_end - vma->vm_start >= stack_top - mmap_min_addr))
+                return -ENOMEM;
        stack_shift = vma->vm_end - stack_top;
        bprm->p -= stack_shift;
diff --git a/fs/fcntl.c b/fs/fcntl.c
index 6769fd0f35b8..f8cc34f542c3 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -769,11 +769,15 @@ EXPORT_SYMBOL(kill_fasync);
 static int __init fcntl_init(void)
 {
-        /* please add new bits here to ensure allocation uniqueness */
+        /*
-        BUILD_BUG_ON(19 - 1 /* for O_RDONLY being 0 */ != HWEIGHT32(
+         * Please add new bits here to ensure allocation uniqueness.
+         * Exceptions: O_NONBLOCK is a two bit define on parisc; O_NDELAY
+         * is defined as O_NONBLOCK on some platforms and not on others.
+         */
+        BUILD_BUG_ON(18 - 1 /* for O_RDONLY being 0 */ != HWEIGHT32(
                O_RDONLY        | O_WRONLY      | O_RDWR        |
                O_CREAT         | O_EXCL        | O_NOCTTY      |
-                O_TRUNC         | O_APPEND      | O_NONBLOCK    |
+                O_TRUNC         | O_APPEND      | /* O_NONBLOCK | */
                __O_SYNC        | O_DSYNC       | FASYNC        |
                O_DIRECT        | O_LARGEFILE   | O_DIRECTORY   |
                O_NOFOLLOW      | O_NOATIME     | O_CLOEXEC     |
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 7d9d06ba184b..81e086d8aa57 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -808,7 +808,7 @@ int bdi_writeback_thread(void *data)
                        wb->last_active = jiffies;
                set_current_state(TASK_INTERRUPTIBLE);
-                if (!list_empty(&bdi->work_list)) {
+                if (!list_empty(&bdi->work_list) || kthread_should_stop()) {
                        __set_current_state(TASK_RUNNING);
                        continue;
                }
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 69ad053ffd78..d367af1514ef 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -276,7 +276,7 @@ static void flush_bg_queue(struct fuse_conn *fc)
 * Called with fc->lock, unlocks it
 */
 static void request_end(struct fuse_conn *fc, struct fuse_req *req)
-__releases(&fc->lock)
+__releases(fc->lock)
 {
        void (*end) (struct fuse_conn *, struct fuse_req *) = req->end;
        req->end = NULL;
@@ -306,8 +306,8 @@ __releases(&fc->lock)
 static void wait_answer_interruptible(struct fuse_conn *fc,
                                      struct fuse_req *req)
-__releases(&fc->lock)
+__releases(fc->lock)
-__acquires(&fc->lock)
+__acquires(fc->lock)
 {
        if (signal_pending(current))
                return;
@@ -325,8 +325,8 @@ static void queue_interrupt(struct fuse_conn *fc, struct fuse_req *req)
 }
 static void request_wait_answer(struct fuse_conn *fc, struct fuse_req *req)
-__releases(&fc->lock)
+__releases(fc->lock)
-__acquires(&fc->lock)
+__acquires(fc->lock)
 {
        if (!fc->no_interrupt) {
                /* Any signal may interrupt this */
@@ -905,8 +905,8 @@ static int request_pending(struct fuse_conn *fc)
 /* Wait until a request is available on the pending list */
 static void request_wait(struct fuse_conn *fc)
-__releases(&fc->lock)
+__releases(fc->lock)
-__acquires(&fc->lock)
+__acquires(fc->lock)
 {
        DECLARE_WAITQUEUE(wait, current);
@@ -934,7 +934,7 @@ __acquires(&fc->lock)
 */
 static int fuse_read_interrupt(struct fuse_conn *fc, struct fuse_copy_state *cs,
                               size_t nbytes, struct fuse_req *req)
-__releases(&fc->lock)
+__releases(fc->lock)
 {
        struct fuse_in_header ih;
        struct fuse_interrupt_in arg;
@@ -1720,8 +1720,8 @@ static unsigned fuse_dev_poll(struct file *file, poll_table *wait)
 * This function releases and reacquires fc->lock
 */
 static void end_requests(struct fuse_conn *fc, struct list_head *head)
-__releases(&fc->lock)
+__releases(fc->lock)
-__acquires(&fc->lock)
+__acquires(fc->lock)
 {
        while (!list_empty(head)) {
                struct fuse_req *req;
@@ -1744,8 +1744,8 @@ __acquires(&fc->lock)
 * locked).
 */
 static void end_io_requests(struct fuse_conn *fc)
-__releases(&fc->lock)
+__releases(fc->lock)
-__acquires(&fc->lock)
+__acquires(fc->lock)
 {
        while (!list_empty(&fc->io)) {
                struct fuse_req *req =
@@ -1769,6 +1769,16 @@ __acquires(&fc->lock)
        }
 }
+static void end_queued_requests(struct fuse_conn *fc)
+__releases(fc->lock)
+__acquires(fc->lock)
+{
+        fc->max_background = UINT_MAX;
+        flush_bg_queue(fc);
+        end_requests(fc, &fc->pending);
+        end_requests(fc, &fc->processing);
+}
 /*
 * Abort all requests.
 *
@@ -1795,8 +1805,7 @@ void fuse_abort_conn(struct fuse_conn *fc)
                fc->connected = 0;
                fc->blocked = 0;
                end_io_requests(fc);
-                end_requests(fc, &fc->pending);
+                end_queued_requests(fc);
-                end_requests(fc, &fc->processing);
                wake_up_all(&fc->waitq);
                wake_up_all(&fc->blocked_waitq);
                kill_fasync(&fc->fasync, SIGIO, POLL_IN);
@@ -1811,8 +1820,9 @@ int fuse_dev_release(struct inode *inode, struct file *file)
        if (fc) {
                spin_lock(&fc->lock);
                fc->connected = 0;
-                end_requests(fc, &fc->pending);
+                fc->blocked = 0;
-                end_requests(fc, &fc->processing);
+                end_queued_requests(fc);
+                wake_up_all(&fc->blocked_waitq);
                spin_unlock(&fc->lock);
                fuse_conn_put(fc);
        }
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 147c1f71bdb9..c8224587123f 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1144,8 +1144,8 @@ static void fuse_writepage_finish(struct fuse_conn *fc, struct fuse_req *req)
 /* Called under fc->lock, may release and reacquire it */
 static void fuse_send_writepage(struct fuse_conn *fc, struct fuse_req *req)
-__releases(&fc->lock)
+__releases(fc->lock)
-__acquires(&fc->lock)
+__acquires(fc->lock)
 {
        struct fuse_inode *fi = get_fuse_inode(req->inode);
        loff_t size = i_size_read(req->inode);
@@ -1183,8 +1183,8 @@ __acquires(&fc->lock)
 * Called with fc->lock
 */
 void fuse_flush_writepages(struct inode *inode)
-__releases(&fc->lock)
+__releases(fc->lock)
-__acquires(&fc->lock)
+__acquires(fc->lock)
 {
        struct fuse_conn *fc = get_fuse_conn(inode);
        struct fuse_inode *fi = get_fuse_inode(inode);
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index cde1248a6225..ac750bd31a6f 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -932,7 +932,7 @@ int gfs2_logd(void *data)
                do {
                        prepare_to_wait(&sdp->sd_logd_waitq, &wait,
-                                        TASK_UNINTERRUPTIBLE);
+                                        TASK_INTERRUPTIBLE);
                        if (!gfs2_ail_flush_reqd(sdp) &&
                            !gfs2_jrnl_flush_reqd(sdp) &&
                            !kthread_should_stop())
diff --git a/fs/minix/namei.c b/fs/minix/namei.c
index e20ee85955d1..f3f3578393a4 100644
--- a/fs/minix/namei.c
+++ b/fs/minix/namei.c
@@ -115,7 +115,7 @@ static int minix_mkdir(struct inode * dir, struct dentry *dentry, int mode)
        inode_inc_link_count(dir);
-        inode = minix_new_inode(dir, mode, &err);
+        inode = minix_new_inode(dir, S_IFDIR | mode, &err);
        if (!inode)
                goto out_dir;
diff --git a/fs/namespace.c b/fs/namespace.c
index de402eb6eafb..a72eaabfe8f2 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1484,13 +1484,30 @@ out_unlock:
 }
 /*
+ * Sanity check the flags to change_mnt_propagation.
+ */
+static int flags_to_propagation_type(int flags)
+{
+        int type = flags & ~MS_REC;
+        /* Fail if any non-propagation flags are set */
+        if (type & ~(MS_SHARED | MS_PRIVATE | MS_SLAVE | MS_UNBINDABLE))
+                return 0;
+        /* Only one propagation flag should be set */
+        if (!is_power_of_2(type))
+                return 0;
+        return type;
+}
+/*
 * recursively change the type of the mountpoint.
 */
 static int do_change_type(struct path *path, int flag)
 {
        struct vfsmount *m, *mnt = path->mnt;
        int recurse = flag & MS_REC;
-        int type = flag & ~MS_REC;
+        int type;
        int err = 0;
        if (!capable(CAP_SYS_ADMIN))
@@ -1499,6 +1516,10 @@ static int do_change_type(struct path *path, int flag)
        if (path->dentry != path->mnt->mnt_root)
                return -EINVAL;
+        type = flags_to_propagation_type(flag);
+        if (!type)
+                return -EINVAL;
        down_write(&namespace_sem);
        if (type == MS_SHARED) {
                err = invent_group_ids(mnt, recurse);
diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig
index 6c2aad49d731..f7e13db613cb 100644
--- a/fs/nfs/Kconfig
+++ b/fs/nfs/Kconfig
@@ -63,6 +63,7 @@ config NFS_V3_ACL
 config NFS_V4
        bool "NFS client support for NFS version 4"
        depends on NFS_FS
+        select SUNRPC_GSS
        help
          This option enables support for version 4 of the NFS protocol
          (RFC 3530) in the kernel's NFS client.
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 4e7df2adb212..e7340729af89 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -275,7 +275,7 @@ static int nfs_sockaddr_match_ipaddr6(const struct sockaddr *sa1,
            sin1->sin6_scope_id != sin2->sin6_scope_id)
                return 0;
-        return ipv6_addr_equal(&sin1->sin6_addr, &sin1->sin6_addr);
+        return ipv6_addr_equal(&sin1->sin6_addr, &sin2->sin6_addr);
 }
 #else   /* !defined(CONFIG_IPV6) && !defined(CONFIG_IPV6_MODULE) */
 static int nfs_sockaddr_match_ipaddr6(const struct sockaddr *sa1,
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index eb51bd6201da..05bf3c0dc751 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -723,10 +723,6 @@ static int do_vfs_lock(struct file *file, struct file_lock *fl)
                default:
                        BUG();
        }
-        if (res < 0)
-                dprintk(KERN_WARNING "%s: VFS is out of sync with lock manager"
-                        " - error %d!\n",
-                                __func__, res);
        return res;
 }
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index ec3966e4706b..f4cbf0c306c6 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -431,7 +431,15 @@ static int nfs_statfs(struct dentry *dentry, struct kstatfs *buf)
                goto out_err;
        error = server->nfs_client->rpc_ops->statfs(server, fh, &res);
+        if (unlikely(error == -ESTALE)) {
+                struct dentry *pd_dentry;
+                pd_dentry = dget_parent(dentry);
+                if (pd_dentry != NULL) {
+                        nfs_zap_caches(pd_dentry->d_inode);
+                        dput(pd_dentry);
+                }
+        }
        nfs_free_fattr(res.fattr);
        if (error < 0)
                goto out_err;
diff --git a/fs/nfsd/Kconfig b/fs/nfsd/Kconfig
index 95932f523aef..4264377552e2 100644
--- a/fs/nfsd/Kconfig
+++ b/fs/nfsd/Kconfig
@@ -69,6 +69,7 @@ config NFSD_V4
        depends on NFSD && PROC_FS && EXPERIMENTAL
        select NFSD_V3
        select FS_POSIX_ACL
+        select SUNRPC_GSS
        help
          This option enables support in your system's NFS server for
          version 4 of the NFS protocol (RFC 3530).
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 3dfef0623968..cf0d2ffb3c84 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -440,7 +440,7 @@ test_share(struct nfs4_stateid *stp, struct nfsd4_open *open) {
 static int nfs4_access_to_omode(u32 access)
 {
-        switch (access) {
+        switch (access & NFS4_SHARE_ACCESS_BOTH) {
        case NFS4_SHARE_ACCESS_READ:
                return O_RDONLY;
        case NFS4_SHARE_ACCESS_WRITE:
diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c
index 4317f177ea7c..ba7c10c917fc 100644
--- a/fs/nilfs2/the_nilfs.c
+++ b/fs/nilfs2/the_nilfs.c
@@ -446,6 +446,7 @@ int load_nilfs(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi)
        nilfs_mdt_destroy(nilfs->ns_cpfile);
        nilfs_mdt_destroy(nilfs->ns_sufile);
        nilfs_mdt_destroy(nilfs->ns_dat);
+        nilfs_mdt_destroy(nilfs->ns_gc_dat);
 failed:
        nilfs_clear_recovery_info(&ri);
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 215e12ce1d85..592fae5007d1 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -6672,7 +6672,7 @@ int ocfs2_grab_pages(struct inode *inode, loff_t start, loff_t end,
        last_page_bytes = PAGE_ALIGN(end);
        index = start >> PAGE_CACHE_SHIFT;
        do {
-                pages[numpages] = grab_cache_page(mapping, index);
+                pages[numpages] = find_or_create_page(mapping, index, GFP_NOFS);
                if (!pages[numpages]) {
                        ret = -ENOMEM;
                        mlog_errno(ret);
diff --git a/fs/ocfs2/blockcheck.c b/fs/ocfs2/blockcheck.c
index ec6d12339593..c7ee03c22226 100644
--- a/fs/ocfs2/blockcheck.c
+++ b/fs/ocfs2/blockcheck.c
@@ -439,7 +439,7 @@ int ocfs2_block_check_validate(void *data, size_t blocksize,
        ocfs2_blockcheck_inc_failure(stats);
        mlog(ML_ERROR,
-             "CRC32 failed: stored: %u, computed %u.  Applying ECC.\n",
+             "CRC32 failed: stored: 0x%x, computed 0x%x. Applying ECC.\n",
             (unsigned int)check.bc_crc32e, (unsigned int)crc);
        /* Ok, try ECC fixups */
@@ -453,7 +453,7 @@ int ocfs2_block_check_validate(void *data, size_t blocksize,
                goto out;
        }
-        mlog(ML_ERROR, "Fixed CRC32 failed: stored: %u, computed %u\n",
+        mlog(ML_ERROR, "Fixed CRC32 failed: stored: 0x%x, computed 0x%x\n",
             (unsigned int)check.bc_crc32e, (unsigned int)crc);
        rc = -EIO;
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 81296b4e3646..9a03c151b5ce 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -36,6 +36,7 @@
 #include <linux/writeback.h>
 #include <linux/falloc.h>
 #include <linux/quotaops.h>
+#include <linux/blkdev.h>
 #define MLOG_MASK_PREFIX ML_INODE
 #include <cluster/masklog.h>
@@ -190,8 +191,16 @@ static int ocfs2_sync_file(struct file *file, int datasync)
        if (err)
                goto bail;
-        if (datasync && !(inode->i_state & I_DIRTY_DATASYNC))
+        if (datasync && !(inode->i_state & I_DIRTY_DATASYNC)) {
+                /*
+                 * We still have to flush drive's caches to get data to the
+                 * platter
+                 */
+                if (osb->s_mount_opt & OCFS2_MOUNT_BARRIER)
+                        blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL,
+                                           NULL, BLKDEV_IFL_WAIT);
                goto bail;
+        }
        journal = osb->journal->j_journal;
        err = jbd2_journal_force_commit(journal);
@@ -774,7 +783,7 @@ static int ocfs2_write_zero_page(struct inode *inode, u64 abs_from,
        BUG_ON(abs_to > (((u64)index + 1) << PAGE_CACHE_SHIFT));
        BUG_ON(abs_from & (inode->i_blkbits - 1));
-        page = grab_cache_page(mapping, index);
+        page = find_or_create_page(mapping, index, GFP_NOFS);
        if (!page) {
                ret = -ENOMEM;
                mlog_errno(ret);
@@ -2329,7 +2338,7 @@ out_dio:
        BUG_ON(ret == -EIOCBQUEUED && !(file->f_flags & O_DIRECT));
        if (((file->f_flags & O_DSYNC) && !direct_io) || IS_SYNC(inode) ||
-            ((file->f_flags & O_DIRECT) && has_refcount)) {
+            ((file->f_flags & O_DIRECT) && !direct_io)) {
                ret = filemap_fdatawrite_range(file->f_mapping, pos,
                                               pos + count - 1);
                if (ret < 0)
diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index 0492464916b1..eece3e05d9d0 100644
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -488,7 +488,11 @@ static int ocfs2_read_locked_inode(struct inode *inode,
                                                     OCFS2_BH_IGNORE_CACHE);
        } else {
                status = ocfs2_read_blocks_sync(osb, args->fi_blkno, 1, &bh);
-                if (!status)
+                /*
+                 * If buffer is in jbd, then its checksum may not have been
+                 * computed as yet.
+                 */
+                if (!status && !buffer_jbd(bh))
                        status = ocfs2_validate_inode_block(osb->sb, bh);
        }
        if (status < 0) {
diff --git a/fs/ocfs2/mmap.c b/fs/ocfs2/mmap.c
index af2b8fe1f139..4c18f4ad93b4 100644
--- a/fs/ocfs2/mmap.c
+++ b/fs/ocfs2/mmap.c
@@ -74,9 +74,11 @@ static int __ocfs2_page_mkwrite(struct inode *inode, struct buffer_head *di_bh,
        /*
         * Another node might have truncated while we were waiting on
         * cluster locks.
+         * We don't check size == 0 before the shift. This is borrowed
+         * from do_generic_file_read.
         */
-        last_index = size >> PAGE_CACHE_SHIFT;
+        last_index = (size - 1) >> PAGE_CACHE_SHIFT;
-        if (page->index > last_index) {
+        if (unlikely(!size || page->index > last_index)) {
                ret = -EINVAL;
                goto out;
        }
@@ -107,7 +109,7 @@ static int __ocfs2_page_mkwrite(struct inode *inode, struct buffer_head *di_bh,
         * because the "write" would invalidate their data.
         */
        if (page->index == last_index)
-                len = size & ~PAGE_CACHE_MASK;
+                len = ((size - 1) & ~PAGE_CACHE_MASK) + 1;
        ret = ocfs2_write_begin_nolock(mapping, pos, len, 0, &locked_page,
                                       &fsdata, di_bh, page);
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index f171b51a74f7..a00dda2e4f16 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -472,32 +472,23 @@ leave:
        return status;
 }
-static int ocfs2_mknod_locked(struct ocfs2_super *osb,
+static int __ocfs2_mknod_locked(struct inode *dir,
-                              struct inode *dir,
+                                struct inode *inode,
-                              struct inode *inode,
+                                dev_t dev,
-                              dev_t dev,
+                                struct buffer_head **new_fe_bh,
-                              struct buffer_head **new_fe_bh,
+                                struct buffer_head *parent_fe_bh,
-                              struct buffer_head *parent_fe_bh,
+                                handle_t *handle,
-                              handle_t *handle,
+                                struct ocfs2_alloc_context *inode_ac,
-                              struct ocfs2_alloc_context *inode_ac)
+                                u64 fe_blkno, u64 suballoc_loc, u16 suballoc_bit)
 {
        int status = 0;
+        struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);
        struct ocfs2_dinode *fe = NULL;
        struct ocfs2_extent_list *fel;
-        u64 suballoc_loc, fe_blkno = 0;
-        u16 suballoc_bit;
        u16 feat;
        *new_fe_bh = NULL;
-        status = ocfs2_claim_new_inode(handle, dir, parent_fe_bh,
-                                       inode_ac, &suballoc_loc,
-                                       &suballoc_bit, &fe_blkno);
-        if (status < 0) {
-                mlog_errno(status);
-                goto leave;
-        }
        /* populate as many fields early on as possible - many of
         * these are used by the support functions here and in
         * callers. */
@@ -591,6 +582,34 @@ leave:
        return status;
 }
+static int ocfs2_mknod_locked(struct ocfs2_super *osb,
+                              struct inode *dir,
+                              struct inode *inode,
+                              dev_t dev,
+                              struct buffer_head **new_fe_bh,
+                              struct buffer_head *parent_fe_bh,
+                              handle_t *handle,
+                              struct ocfs2_alloc_context *inode_ac)
+{
+        int status = 0;
+        u64 suballoc_loc, fe_blkno = 0;
+        u16 suballoc_bit;
+        *new_fe_bh = NULL;
+        status = ocfs2_claim_new_inode(handle, dir, parent_fe_bh,
+                                       inode_ac, &suballoc_loc,
+                                       &suballoc_bit, &fe_blkno);
+        if (status < 0) {
+                mlog_errno(status);
+                return status;
+        }
+        return __ocfs2_mknod_locked(dir, inode, dev, new_fe_bh,
+                                    parent_fe_bh, handle, inode_ac,
+                                    fe_blkno, suballoc_loc, suballoc_bit);
+}
 static int ocfs2_mkdir(struct inode *dir,
                       struct dentry *dentry,
                       int mode)
@@ -1852,61 +1871,117 @@ bail:
        return status;
 }
-static int ocfs2_prepare_orphan_dir(struct ocfs2_super *osb,
+static int ocfs2_lookup_lock_orphan_dir(struct ocfs2_super *osb,
-                                    struct inode **ret_orphan_dir,
+                                        struct inode **ret_orphan_dir,
-                                    u64 blkno,
+                                        struct buffer_head **ret_orphan_dir_bh)
-                                    char *name,
-                                    struct ocfs2_dir_lookup_result *lookup)
 {
        struct inode *orphan_dir_inode;
        struct buffer_head *orphan_dir_bh = NULL;
-        int status = 0;
+        int ret = 0;
-        status = ocfs2_blkno_stringify(blkno, name);
-        if (status < 0) {
-                mlog_errno(status);
-                return status;
-        }
        orphan_dir_inode = ocfs2_get_system_file_inode(osb,
                                                       ORPHAN_DIR_SYSTEM_INODE,
                                                       osb->slot_num);
        if (!orphan_dir_inode) {
-                status = -ENOENT;
+                ret = -ENOENT;
-                mlog_errno(status);
+                mlog_errno(ret);
-                return status;
+                return ret;
        }
        mutex_lock(&orphan_dir_inode->i_mutex);
-        status = ocfs2_inode_lock(orphan_dir_inode, &orphan_dir_bh, 1);
+        ret = ocfs2_inode_lock(orphan_dir_inode, &orphan_dir_bh, 1);
-        if (status < 0) {
+        if (ret < 0) {
-                mlog_errno(status);
+                mutex_unlock(&orphan_dir_inode->i_mutex);
-                goto leave;
+                iput(orphan_dir_inode);
+                mlog_errno(ret);
+                return ret;
        }
-        status = ocfs2_prepare_dir_for_insert(osb, orphan_dir_inode,
+        *ret_orphan_dir = orphan_dir_inode;
-                                              orphan_dir_bh, name,
+        *ret_orphan_dir_bh = orphan_dir_bh;
-                                              OCFS2_ORPHAN_NAMELEN, lookup);
-        if (status < 0) {
-                ocfs2_inode_unlock(orphan_dir_inode, 1);
-                mlog_errno(status);
+        return 0;
-                goto leave;
+}
+static int __ocfs2_prepare_orphan_dir(struct inode *orphan_dir_inode,
+                                      struct buffer_head *orphan_dir_bh,
+                                      u64 blkno,
+                                      char *name,
+                                      struct ocfs2_dir_lookup_result *lookup)
+{
+        int ret;
+        struct ocfs2_super *osb = OCFS2_SB(orphan_dir_inode->i_sb);
+        ret = ocfs2_blkno_stringify(blkno, name);
+        if (ret < 0) {
+                mlog_errno(ret);
+                return ret;
+        }
+        ret = ocfs2_prepare_dir_for_insert(osb, orphan_dir_inode,
+                                           orphan_dir_bh, name,
+                                           OCFS2_ORPHAN_NAMELEN, lookup);
+        if (ret < 0) {
+                mlog_errno(ret);
+                return ret;
+        }
+        return 0;
+}
+/**
+ * ocfs2_prepare_orphan_dir() - Prepare an orphan directory for
+ * insertion of an orphan.
+ * @osb: ocfs2 file system
+ * @ret_orphan_dir: Orphan dir inode - returned locked!
+ * @blkno: Actual block number of the inode to be inserted into orphan dir.
+ * @lookup: dir lookup result, to be passed back into functions like
+ *          ocfs2_orphan_add
+ *
+ * Returns zero on success and the ret_orphan_dir, name and lookup
+ * fields will be populated.
+ *
+ * Returns non-zero on failure. 
+ */
+static int ocfs2_prepare_orphan_dir(struct ocfs2_super *osb,
+                                    struct inode **ret_orphan_dir,
+                                    u64 blkno,
+                                    char *name,
+                                    struct ocfs2_dir_lookup_result *lookup)
+{
+        struct inode *orphan_dir_inode = NULL;
+        struct buffer_head *orphan_dir_bh = NULL;
+        int ret = 0;
+        ret = ocfs2_lookup_lock_orphan_dir(osb, &orphan_dir_inode,
+                                           &orphan_dir_bh);
+        if (ret < 0) {
+                mlog_errno(ret);
+                return ret;
+        }
+        ret = __ocfs2_prepare_orphan_dir(orphan_dir_inode, orphan_dir_bh,
+                                         blkno, name, lookup);
+        if (ret < 0) {
+                mlog_errno(ret);
+                goto out;
        }
        *ret_orphan_dir = orphan_dir_inode;
-leave:
+out:
-        if (status) {
+        brelse(orphan_dir_bh);
+        if (ret) {
+                ocfs2_inode_unlock(orphan_dir_inode, 1);
                mutex_unlock(&orphan_dir_inode->i_mutex);
                iput(orphan_dir_inode);
        }
-        brelse(orphan_dir_bh);
+        mlog_exit(ret);
+        return ret;
-        mlog_exit(status);
-        return status;
 }
 static int ocfs2_orphan_add(struct ocfs2_super *osb,
@@ -2053,6 +2128,99 @@ leave:
        return status;
 }
+/**
+ * ocfs2_prep_new_orphaned_file() - Prepare the orphan dir to recieve a newly
+ * allocated file. This is different from the typical 'add to orphan dir'
+ * operation in that the inode does not yet exist. This is a problem because
+ * the orphan dir stringifies the inode block number to come up with it's
+ * dirent. Obviously if the inode does not yet exist we have a chicken and egg
+ * problem. This function works around it by calling deeper into the orphan
+ * and suballoc code than other callers. Use this only by necessity.
+ * @dir: The directory which this inode will ultimately wind up under - not the
+ * orphan dir!
+ * @dir_bh: buffer_head the @dir inode block
+ * @orphan_name: string of length (CFS2_ORPHAN_NAMELEN + 1). Will be filled
+ * with the string to be used for orphan dirent. Pass back to the orphan dir
+ * code.
+ * @ret_orphan_dir: orphan dir inode returned to be passed back into orphan
+ * dir code.
+ * @ret_di_blkno: block number where the new inode will be allocated.
+ * @orphan_insert: Dir insert context to be passed back into orphan dir code.
+ * @ret_inode_ac: Inode alloc context to be passed back to the allocator.
+ *
+ * Returns zero on success and the ret_orphan_dir, name and lookup
+ * fields will be populated.
+ *
+ * Returns non-zero on failure. 
+ */
+static int ocfs2_prep_new_orphaned_file(struct inode *dir,
+                                        struct buffer_head *dir_bh,
+                                        char *orphan_name,
+                                        struct inode **ret_orphan_dir,
+                                        u64 *ret_di_blkno,
+                                        struct ocfs2_dir_lookup_result *orphan_insert,
+                                        struct ocfs2_alloc_context **ret_inode_ac)
+{
+        int ret;
+        u64 di_blkno;
+        struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);
+        struct inode *orphan_dir = NULL;
+        struct buffer_head *orphan_dir_bh = NULL;
+        struct ocfs2_alloc_context *inode_ac = NULL;
+        ret = ocfs2_lookup_lock_orphan_dir(osb, &orphan_dir, &orphan_dir_bh);
+        if (ret < 0) {
+                mlog_errno(ret);
+                return ret;
+        }
+        /* reserve an inode spot */
+        ret = ocfs2_reserve_new_inode(osb, &inode_ac);
+        if (ret < 0) {
+                if (ret != -ENOSPC)
+                        mlog_errno(ret);
+                goto out;
+        }
+        ret = ocfs2_find_new_inode_loc(dir, dir_bh, inode_ac,
+                                       &di_blkno);
+        if (ret) {
+                mlog_errno(ret);
+                goto out;
+        }
+        ret = __ocfs2_prepare_orphan_dir(orphan_dir, orphan_dir_bh,
+                                         di_blkno, orphan_name, orphan_insert);
+        if (ret < 0) {
+                mlog_errno(ret);
+                goto out;
+        }
+out:
+        if (ret == 0) {
+                *ret_orphan_dir = orphan_dir;
+                *ret_di_blkno = di_blkno;
+                *ret_inode_ac = inode_ac;
+                /*
+                 * orphan_name and orphan_insert are already up to
+                 * date via prepare_orphan_dir
+                 */
+        } else {
+                /* Unroll reserve_new_inode* */
+                if (inode_ac)
+                        ocfs2_free_alloc_context(inode_ac);
+                /* Unroll orphan dir locking */
+                mutex_unlock(&orphan_dir->i_mutex);
+                ocfs2_inode_unlock(orphan_dir, 1);
+                iput(orphan_dir);
+        }
+        brelse(orphan_dir_bh);
+        return 0;
+}
 int ocfs2_create_inode_in_orphan(struct inode *dir,
                                 int mode,
                                 struct inode **new_inode)
@@ -2068,6 +2236,8 @@ int ocfs2_create_inode_in_orphan(struct inode *dir,
        struct buffer_head *new_di_bh = NULL;
        struct ocfs2_alloc_context *inode_ac = NULL;
        struct ocfs2_dir_lookup_result orphan_insert = { NULL, };
+        u64 uninitialized_var(di_blkno), suballoc_loc;
+        u16 suballoc_bit;
        status = ocfs2_inode_lock(dir, &parent_di_bh, 1);
        if (status < 0) {
@@ -2076,20 +2246,9 @@ int ocfs2_create_inode_in_orphan(struct inode *dir,
                return status;
        }
-        /*
+        status = ocfs2_prep_new_orphaned_file(dir, parent_di_bh,
-         * We give the orphan dir the root blkno to fake an orphan name,
+                                              orphan_name, &orphan_dir,
-         * and allocate enough space for our insertion.
+                                              &di_blkno, &orphan_insert, &inode_ac);
-         */
-        status = ocfs2_prepare_orphan_dir(osb, &orphan_dir,
-                                          osb->root_blkno,
-                                          orphan_name, &orphan_insert);
-        if (status < 0) {
-                mlog_errno(status);
-                goto leave;
-        }
-        /* reserve an inode spot */
-        status = ocfs2_reserve_new_inode(osb, &inode_ac);
        if (status < 0) {
                if (status != -ENOSPC)
                        mlog_errno(status);
@@ -2116,17 +2275,20 @@ int ocfs2_create_inode_in_orphan(struct inode *dir,
                goto leave;
        did_quota_inode = 1;
-        inode->i_nlink = 0;
+        status = ocfs2_claim_new_inode_at_loc(handle, dir, inode_ac,
-        /* do the real work now. */
+                                              &suballoc_loc,
-        status = ocfs2_mknod_locked(osb, dir, inode,
+                                              &suballoc_bit, di_blkno);
-                                    0, &new_di_bh, parent_di_bh, handle,
-                                    inode_ac);
        if (status < 0) {
                mlog_errno(status);
                goto leave;
        }
-        status = ocfs2_blkno_stringify(OCFS2_I(inode)->ip_blkno, orphan_name);
+        inode->i_nlink = 0;
+        /* do the real work now. */
+        status = __ocfs2_mknod_locked(dir, inode,
+                                      0, &new_di_bh, parent_di_bh, handle,
+                                      inode_ac, di_blkno, suballoc_loc,
+                                      suballoc_bit);
        if (status < 0) {
                mlog_errno(status);
                goto leave;
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index 73a11ccfd4c2..0afeda83120f 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -2960,7 +2960,7 @@ static int ocfs2_duplicate_clusters_by_page(handle_t *handle,
                if (map_end & (PAGE_CACHE_SIZE - 1))
                        to = map_end & (PAGE_CACHE_SIZE - 1);
-                page = grab_cache_page(mapping, page_index);
+                page = find_or_create_page(mapping, page_index, GFP_NOFS);
                /*
                 * In case PAGE_CACHE_SIZE <= CLUSTER_SIZE, This page
@@ -3179,7 +3179,8 @@ static int ocfs2_cow_sync_writeback(struct super_block *sb,
                if (map_end > end)
                        map_end = end;
-                page = grab_cache_page(context->inode->i_mapping, page_index);
+                page = find_or_create_page(context->inode->i_mapping,
+                                           page_index, GFP_NOFS);
                BUG_ON(!page);
                wait_on_page_writeback(page);
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index a8e6a95a353f..8a286f54dca1 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -57,11 +57,28 @@ struct ocfs2_suballoc_result {
        u64             sr_bg_blkno;    /* The bg we allocated from.  Set
                                           to 0 when a block group is
                                           contiguous. */
+        u64             sr_bg_stable_blkno; /*
+                                             * Doesn't change, always
+                                             * set to target block
+                                             * group descriptor
+                                             * block.
+                                             */
        u64             sr_blkno;       /* The first allocated block */
        unsigned int    sr_bit_offset;  /* The bit in the bg */
        unsigned int    sr_bits;        /* How many bits we claimed */
 };
+static u64 ocfs2_group_from_res(struct ocfs2_suballoc_result *res)
+{
+        if (res->sr_blkno == 0)
+                return 0;
+        if (res->sr_bg_blkno)
+                return res->sr_bg_blkno;
+        return ocfs2_which_suballoc_group(res->sr_blkno, res->sr_bit_offset);
+}
 static inline void ocfs2_debug_bg(struct ocfs2_group_desc *bg);
 static inline void ocfs2_debug_suballoc_inode(struct ocfs2_dinode *fe);
 static inline u16 ocfs2_find_victim_chain(struct ocfs2_chain_list *cl);
@@ -138,6 +155,10 @@ void ocfs2_free_ac_resource(struct ocfs2_alloc_context *ac)
        brelse(ac->ac_bh);
        ac->ac_bh = NULL;
        ac->ac_resv = NULL;
+        if (ac->ac_find_loc_priv) {
+                kfree(ac->ac_find_loc_priv);
+                ac->ac_find_loc_priv = NULL;
+        }
 }
 void ocfs2_free_alloc_context(struct ocfs2_alloc_context *ac)
@@ -1678,6 +1699,15 @@ static int ocfs2_search_one_group(struct ocfs2_alloc_context *ac,
        if (!ret)
                ocfs2_bg_discontig_fix_result(ac, gd, res);
+        /*
+         * sr_bg_blkno might have been changed by
+         * ocfs2_bg_discontig_fix_result
+         */
+        res->sr_bg_stable_blkno = group_bh->b_blocknr;
+        if (ac->ac_find_loc_only)
+                goto out_loc_only;
        ret = ocfs2_alloc_dinode_update_counts(alloc_inode, handle, ac->ac_bh,
                                               res->sr_bits,
                                               le16_to_cpu(gd->bg_chain));
@@ -1691,6 +1721,7 @@ static int ocfs2_search_one_group(struct ocfs2_alloc_context *ac,
        if (ret < 0)
                mlog_errno(ret);
+out_loc_only:
        *bits_left = le16_to_cpu(gd->bg_free_bits_count);
 out:
@@ -1708,7 +1739,6 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac,
 {
        int status;
        u16 chain;
-        u32 tmp_used;
        u64 next_group;
        struct inode *alloc_inode = ac->ac_inode;
        struct buffer_head *group_bh = NULL;
@@ -1770,6 +1800,11 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac,
        if (!status)
                ocfs2_bg_discontig_fix_result(ac, bg, res);
+        /*
+         * sr_bg_blkno might have been changed by
+         * ocfs2_bg_discontig_fix_result
+         */
+        res->sr_bg_stable_blkno = group_bh->b_blocknr;
        /*
         * Keep track of previous block descriptor read. When
@@ -1796,22 +1831,17 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac,
                }
        }
-        /* Ok, claim our bits now: set the info on dinode, chainlist
+        if (ac->ac_find_loc_only)
-         * and then the group */
+                goto out_loc_only;
-        status = ocfs2_journal_access_di(handle,
-                                         INODE_CACHE(alloc_inode),
+        status = ocfs2_alloc_dinode_update_counts(alloc_inode, handle,
-                                         ac->ac_bh,
+                                                  ac->ac_bh, res->sr_bits,
-                                         OCFS2_JOURNAL_ACCESS_WRITE);
+                                                  chain);
-        if (status < 0) {
+        if (status) {
                mlog_errno(status);
                goto bail;
        }
-        tmp_used = le32_to_cpu(fe->id1.bitmap1.i_used);
-        fe->id1.bitmap1.i_used = cpu_to_le32(res->sr_bits + tmp_used);
-        le32_add_cpu(&cl->cl_recs[chain].c_free, -res->sr_bits);
-        ocfs2_journal_dirty(handle, ac->ac_bh);
        status = ocfs2_block_group_set_bits(handle,
                                            alloc_inode,
                                            bg,
@@ -1826,6 +1856,7 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac,
        mlog(0, "Allocated %u bits from suballocator %llu\n", res->sr_bits,
             (unsigned long long)le64_to_cpu(fe->i_blkno));
+out_loc_only:
        *bits_left = le16_to_cpu(bg->bg_free_bits_count);
 bail:
        brelse(group_bh);
@@ -1845,6 +1876,7 @@ static int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *ac,
        int status;
        u16 victim, i;
        u16 bits_left = 0;
+        u64 hint = ac->ac_last_group;
        struct ocfs2_chain_list *cl;
        struct ocfs2_dinode *fe;
@@ -1872,7 +1904,7 @@ static int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *ac,
                goto bail;
        }
-        res->sr_bg_blkno = ac->ac_last_group;
+        res->sr_bg_blkno = hint;
        if (res->sr_bg_blkno) {
                /* Attempt to short-circuit the usual search mechanism
                 * by jumping straight to the most recently used
@@ -1896,8 +1928,10 @@ static int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *ac,
        status = ocfs2_search_chain(ac, handle, bits_wanted, min_bits,
                                    res, &bits_left);
-        if (!status)
+        if (!status) {
+                hint = ocfs2_group_from_res(res);
                goto set_hint;
+        }
        if (status < 0 && status != -ENOSPC) {
                mlog_errno(status);
                goto bail;
@@ -1920,8 +1954,10 @@ static int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *ac,
                ac->ac_chain = i;
                status = ocfs2_search_chain(ac, handle, bits_wanted, min_bits,
                                            res, &bits_left);
-                if (!status)
+                if (!status) {
+                        hint = ocfs2_group_from_res(res);
                        break;
+                }
                if (status < 0 && status != -ENOSPC) {
                        mlog_errno(status);
                        goto bail;
@@ -1936,7 +1972,7 @@ set_hint:
                if (bits_left < min_bits)
                        ac->ac_last_group = 0;
                else
-                        ac->ac_last_group = res->sr_bg_blkno;
+                        ac->ac_last_group = hint;
        }
 bail:
@@ -2016,6 +2052,136 @@ static inline void ocfs2_save_inode_ac_group(struct inode *dir,
        OCFS2_I(dir)->ip_last_used_slot = ac->ac_alloc_slot;
 }
+int ocfs2_find_new_inode_loc(struct inode *dir,
+                             struct buffer_head *parent_fe_bh,
+                             struct ocfs2_alloc_context *ac,
+                             u64 *fe_blkno)
+{
+        int ret;
+        handle_t *handle = NULL;
+        struct ocfs2_suballoc_result *res;
+        BUG_ON(!ac);
+        BUG_ON(ac->ac_bits_given != 0);
+        BUG_ON(ac->ac_bits_wanted != 1);
+        BUG_ON(ac->ac_which != OCFS2_AC_USE_INODE);
+        res = kzalloc(sizeof(*res), GFP_NOFS);
+        if (res == NULL) {
+                ret = -ENOMEM;
+                mlog_errno(ret);
+                goto out;
+        }
+        ocfs2_init_inode_ac_group(dir, parent_fe_bh, ac);
+        /*
+         * The handle started here is for chain relink. Alternatively,
+         * we could just disable relink for these calls.
+         */
+        handle = ocfs2_start_trans(OCFS2_SB(dir->i_sb), OCFS2_SUBALLOC_ALLOC);
+        if (IS_ERR(handle)) {
+                ret = PTR_ERR(handle);
+                handle = NULL;
+                mlog_errno(ret);
+                goto out;
+        }
+        /*
+         * This will instruct ocfs2_claim_suballoc_bits and
+         * ocfs2_search_one_group to search but save actual allocation
+         * for later.
+         */
+        ac->ac_find_loc_only = 1;
+        ret = ocfs2_claim_suballoc_bits(ac, handle, 1, 1, res);
+        if (ret < 0) {
+                mlog_errno(ret);
+                goto out;
+        }
+        ac->ac_find_loc_priv = res;
+        *fe_blkno = res->sr_blkno;
+out:
+        if (handle)
+                ocfs2_commit_trans(OCFS2_SB(dir->i_sb), handle);
+        if (ret)
+                kfree(res);
+        return ret;
+}
+int ocfs2_claim_new_inode_at_loc(handle_t *handle,
+                                 struct inode *dir,
+                                 struct ocfs2_alloc_context *ac,
+                                 u64 *suballoc_loc,
+                                 u16 *suballoc_bit,
+                                 u64 di_blkno)
+{
+        int ret;
+        u16 chain;
+        struct ocfs2_suballoc_result *res = ac->ac_find_loc_priv;
+        struct buffer_head *bg_bh = NULL;
+        struct ocfs2_group_desc *bg;
+        struct ocfs2_dinode *di = (struct ocfs2_dinode *) ac->ac_bh->b_data;
+        /*
+         * Since di_blkno is being passed back in, we check for any
+         * inconsistencies which may have happened between
+         * calls. These are code bugs as di_blkno is not expected to
+         * change once returned from ocfs2_find_new_inode_loc()
+         */
+        BUG_ON(res->sr_blkno != di_blkno);
+        ret = ocfs2_read_group_descriptor(ac->ac_inode, di,
+                                          res->sr_bg_stable_blkno, &bg_bh);
+        if (ret) {
+                mlog_errno(ret);
+                goto out;
+        }
+        bg = (struct ocfs2_group_desc *) bg_bh->b_data;
+        chain = le16_to_cpu(bg->bg_chain);
+        ret = ocfs2_alloc_dinode_update_counts(ac->ac_inode, handle,
+                                               ac->ac_bh, res->sr_bits,
+                                               chain);
+        if (ret) {
+                mlog_errno(ret);
+                goto out;
+        }
+        ret = ocfs2_block_group_set_bits(handle,
+                                         ac->ac_inode,
+                                         bg,
+                                         bg_bh,
+                                         res->sr_bit_offset,
+                                         res->sr_bits);
+        if (ret < 0) {
+                mlog_errno(ret);
+                goto out;
+        }
+        mlog(0, "Allocated %u bits from suballocator %llu\n", res->sr_bits,
+             (unsigned long long)di_blkno);
+        atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs);
+        BUG_ON(res->sr_bits != 1);
+        *suballoc_loc = res->sr_bg_blkno;
+        *suballoc_bit = res->sr_bit_offset;
+        ac->ac_bits_given++;
+        ocfs2_save_inode_ac_group(dir, ac);
+out:
+        brelse(bg_bh);
+        return ret;
+}
 int ocfs2_claim_new_inode(handle_t *handle,
                          struct inode *dir,
                          struct buffer_head *parent_fe_bh,
@@ -2567,7 +2733,8 @@ out:
 * suballoc_bit.
 */
 static int ocfs2_get_suballoc_slot_bit(struct ocfs2_super *osb, u64 blkno,
-                                       u16 *suballoc_slot, u16 *suballoc_bit)
+                                       u16 *suballoc_slot, u64 *group_blkno,
+                                       u16 *suballoc_bit)
 {
        int status;
        struct buffer_head *inode_bh = NULL;
@@ -2604,6 +2771,8 @@ static int ocfs2_get_suballoc_slot_bit(struct ocfs2_super *osb, u64 blkno,
                *suballoc_slot = le16_to_cpu(inode_fe->i_suballoc_slot);
        if (suballoc_bit)
                *suballoc_bit = le16_to_cpu(inode_fe->i_suballoc_bit);
+        if (group_blkno)
+                *group_blkno = le64_to_cpu(inode_fe->i_suballoc_loc);
 bail:
        brelse(inode_bh);
@@ -2621,7 +2790,8 @@ bail:
 */
 static int ocfs2_test_suballoc_bit(struct ocfs2_super *osb,
                                   struct inode *suballoc,
-                                   struct buffer_head *alloc_bh, u64 blkno,
+                                   struct buffer_head *alloc_bh,
+                                   u64 group_blkno, u64 blkno,
                                   u16 bit, int *res)
 {
        struct ocfs2_dinode *alloc_di;
@@ -2642,10 +2812,8 @@ static int ocfs2_test_suballoc_bit(struct ocfs2_super *osb,
                goto bail;
        }
-        if (alloc_di->i_suballoc_loc)
+        bg_blkno = group_blkno ? group_blkno :
-                bg_blkno = le64_to_cpu(alloc_di->i_suballoc_loc);
+                   ocfs2_which_suballoc_group(blkno, bit);
-        else
-                bg_blkno = ocfs2_which_suballoc_group(blkno, bit);
        status = ocfs2_read_group_descriptor(suballoc, alloc_di, bg_blkno,
                                             &group_bh);
        if (status < 0) {
@@ -2680,6 +2848,7 @@ bail:
 int ocfs2_test_inode_bit(struct ocfs2_super *osb, u64 blkno, int *res)
 {
        int status;
+        u64 group_blkno = 0;
        u16 suballoc_bit = 0, suballoc_slot = 0;
        struct inode *inode_alloc_inode;
        struct buffer_head *alloc_bh = NULL;
@@ -2687,7 +2856,7 @@ int ocfs2_test_inode_bit(struct ocfs2_super *osb, u64 blkno, int *res)
        mlog_entry("blkno: %llu", (unsigned long long)blkno);
        status = ocfs2_get_suballoc_slot_bit(osb, blkno, &suballoc_slot,
-                                             &suballoc_bit);
+                                             &group_blkno, &suballoc_bit);
        if (status < 0) {
                mlog(ML_ERROR, "get alloc slot and bit failed %d\n", status);
                goto bail;
@@ -2715,7 +2884,7 @@ int ocfs2_test_inode_bit(struct ocfs2_super *osb, u64 blkno, int *res)
        }
        status = ocfs2_test_suballoc_bit(osb, inode_alloc_inode, alloc_bh,
-                                         blkno, suballoc_bit, res);
+                                         group_blkno, blkno, suballoc_bit, res);
        if (status < 0)
                mlog(ML_ERROR, "test suballoc bit failed %d\n", status);
diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h
index a017dd3ee7d9..b8afabfeede4 100644
--- a/fs/ocfs2/suballoc.h
+++ b/fs/ocfs2/suballoc.h
@@ -56,6 +56,9 @@ struct ocfs2_alloc_context {
        u64    ac_max_block;  /* Highest block number to allocate. 0 is
                                 is the same as ~0 - unlimited */
+        int    ac_find_loc_only;  /* hack for reflink operation ordering */
+        struct ocfs2_suballoc_result *ac_find_loc_priv; /* */
        struct ocfs2_alloc_reservation  *ac_resv;
 };
@@ -197,4 +200,22 @@ int ocfs2_lock_allocators(struct inode *inode, struct ocfs2_extent_tree *et,
                          struct ocfs2_alloc_context **meta_ac);
 int ocfs2_test_inode_bit(struct ocfs2_super *osb, u64 blkno, int *res);
+/*
+ * The following two interfaces are for ocfs2_create_inode_in_orphan().
+ */
+int ocfs2_find_new_inode_loc(struct inode *dir,
+                             struct buffer_head *parent_fe_bh,
+                             struct ocfs2_alloc_context *ac,
+                             u64 *fe_blkno);
+int ocfs2_claim_new_inode_at_loc(handle_t *handle,
+                                 struct inode *dir,
+                                 struct ocfs2_alloc_context *ac,
+                                 u64 *suballoc_loc,
+                                 u16 *suballoc_bit,
+                                 u64 di_blkno);
 #endif /* _CHAINALLOC_H_ */
diff --git a/fs/proc/page.c b/fs/proc/page.c
index 180cf5a0bd67..3b8b45660331 100644
--- a/fs/proc/page.c
+++ b/fs/proc/page.c
@@ -146,7 +146,7 @@ u64 stable_page_flags(struct page *page)
        u |= kpf_copy_bit(k, KPF_HWPOISON,      PG_hwpoison);
 #endif
-#ifdef CONFIG_IA64_UNCACHED_ALLOCATOR
+#ifdef CONFIG_ARCH_USES_PG_UNCACHED
        u |= kpf_copy_bit(k, KPF_UNCACHED,      PG_uncached);
 #endif
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 439fc1f1c1c4..271afc48b9a5 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -224,7 +224,8 @@ static void show_map_vma(struct seq_file *m, struct vm_area_struct *vma)
        /* We don't show the stack guard page in /proc/maps */
        start = vma->vm_start;
        if (vma->vm_flags & VM_GROWSDOWN)
-                start += PAGE_SIZE;
+                if (!vma_stack_continue(vma->vm_prev, vma->vm_start))
+                        start += PAGE_SIZE;
        seq_printf(m, "%08lx-%08lx %c%c%c%c %08llx %02x:%02x %lu %n",
                        start,
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index 1b27b5688f62..da3fefe91a8f 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -340,7 +340,7 @@ static int sysfs_open_file(struct inode *inode, struct file *file)
        char *p;
        p = d_path(&file->f_path, last_sysfs_file, sizeof(last_sysfs_file));
-        if (p)
+        if (!IS_ERR(p))
                memmove(last_sysfs_file, p, strlen(p) + 1);
        /* need attr_sd for attr and ops, its parent for kobj */
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index ea79072f5210..286e36e21dae 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -440,12 +440,7 @@ _xfs_buf_find(
                ASSERT(btp == bp->b_target);
                if (bp->b_file_offset == range_base &&
                    bp->b_buffer_length == range_length) {
-                        /*
-                         * If we look at something, bring it to the
-                         * front of the list for next time.
-                         */
                        atomic_inc(&bp->b_hold);
-                        list_move(&bp->b_hash_list, &hash->bh_list);
                        goto found;
                }
        }
@@ -1443,8 +1438,7 @@ xfs_alloc_bufhash(
 {
        unsigned int            i;
-        btp->bt_hashshift = external ? 3 : 8;   /* 8 or 256 buckets */
+        btp->bt_hashshift = external ? 3 : 12;  /* 8 or 4096 buckets */
-        btp->bt_hashmask = (1 << btp->bt_hashshift) - 1;
        btp->bt_hash = kmem_zalloc_large((1 << btp->bt_hashshift) *
                                         sizeof(xfs_bufhash_t));
        for (i = 0; i < (1 << btp->bt_hashshift); i++) {
@@ -1938,7 +1932,8 @@ xfs_buf_init(void)
        if (!xfs_buf_zone)
                goto out;
-        xfslogd_workqueue = create_workqueue("xfslogd");
+        xfslogd_workqueue = alloc_workqueue("xfslogd",
+                                        WQ_RESCUER | WQ_HIGHPRI, 1);
        if (!xfslogd_workqueue)
                goto out_free_buf_zone;
diff --git a/fs/xfs/linux-2.6/xfs_buf.h b/fs/xfs/linux-2.6/xfs_buf.h
index d072e5ff923b..2a05614f0b92 100644
--- a/fs/xfs/linux-2.6/xfs_buf.h
+++ b/fs/xfs/linux-2.6/xfs_buf.h
@@ -137,7 +137,6 @@ typedef struct xfs_buftarg {
        size_t                  bt_smask;
        /* per device buffer hash table */
-        uint                    bt_hashmask;
        uint                    bt_hashshift;
        xfs_bufhash_t           *bt_hash;
diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c
index 237f5ffb2ee8..3b9e626f7cd1 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl.c
@@ -785,6 +785,8 @@ xfs_ioc_fsgetxattr(
 {
        struct fsxattr          fa;
+        memset(&fa, 0, sizeof(struct fsxattr));
        xfs_ilock(ip, XFS_ILOCK_SHARED);
        fa.fsx_xflags = xfs_ip2xflags(ip);
        fa.fsx_extsize = ip->i_d.di_extsize << ip->i_mount->m_sb.sb_blocklog;
@@ -907,6 +909,13 @@ xfs_ioctl_setattr(
                return XFS_ERROR(EIO);
        /*
+         * Disallow 32bit project ids because on-disk structure
+         * is 16bit only.
+         */
+        if ((mask & FSX_PROJID) && (fa->fsx_projid > (__uint16_t)-1))
+                return XFS_ERROR(EINVAL);
+        /*
         * If disk quotas is on, we make sure that the dquots do exist on disk,
         * before we start any other transactions. Trying to do this later
         * is messy. We don't care to take a readlock to look at the ids
diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index 68be25dcd301..b1fc2a6bfe83 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -664,7 +664,7 @@ xfs_vn_fiemap(
                                        fieinfo->fi_extents_max + 1;
        bm.bmv_count = min_t(__s32, bm.bmv_count,
                             (PAGE_SIZE * 16 / sizeof(struct getbmapx)));
-        bm.bmv_iflags = BMV_IF_PREALLOC;
+        bm.bmv_iflags = BMV_IF_PREALLOC | BMV_IF_NO_HOLES;
        if (fieinfo->fi_flags & FIEMAP_FLAG_XATTR)
                bm.bmv_iflags |= BMV_IF_ATTRFORK;
        if (!(fieinfo->fi_flags & FIEMAP_FLAG_SYNC))
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
index 23f14e595c18..f90dadd5a968 100644
--- a/fs/xfs/xfs_bmap.c
+++ b/fs/xfs/xfs_bmap.c
@@ -5533,12 +5533,24 @@ xfs_getbmap(
                                        map[i].br_startblock))
                                goto out_free_map;
-                        nexleft--;
                        bmv->bmv_offset =
                                out[cur_ext].bmv_offset +
                                out[cur_ext].bmv_length;
                        bmv->bmv_length =
                                max_t(__int64_t, 0, bmvend - bmv->bmv_offset);
+                        /*
+                         * In case we don't want to return the hole,
+                         * don't increase cur_ext so that we can reuse
+                         * it in the next loop.
+                         */
+                        if ((iflags & BMV_IF_NO_HOLES) &&
+                            map[i].br_startblock == HOLESTARTBLOCK) {
+                                memset(&out[cur_ext], 0, sizeof(out[cur_ext]));
+                                continue;
+                        }
+                        nexleft--;
                        bmv->bmv_entries++;
                        cur_ext++;
                }
diff --git a/fs/xfs/xfs_fs.h b/fs/xfs/xfs_fs.h
index 7cf7220e7d5f..87c2e9d02288 100644
--- a/fs/xfs/xfs_fs.h
+++ b/fs/xfs/xfs_fs.h
@@ -114,8 +114,10 @@ struct getbmapx {
 #define BMV_IF_NO_DMAPI_READ    0x2     /* Do not generate DMAPI read event  */
 #define BMV_IF_PREALLOC         0x4     /* rtn status BMV_OF_PREALLOC if req */
 #define BMV_IF_DELALLOC         0x8     /* rtn status BMV_OF_DELALLOC if req */
+#define BMV_IF_NO_HOLES         0x10    /* Do not return holes */
 #define BMV_IF_VALID    \
-        (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC|BMV_IF_DELALLOC)
+        (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC|  \
+         BMV_IF_DELALLOC|BMV_IF_NO_HOLES)
 /*      bmv_oflags values - returned for each non-header segment */
 #define BMV_OF_PREALLOC         0x1     /* segment = unwritten pre-allocation */
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index 66d585c6917c..4c7c7bfb2b2f 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -2299,15 +2299,22 @@ xfs_alloc_file_space(
                        e = allocatesize_fsb;
                }
+                /*
+                 * The transaction reservation is limited to a 32-bit block
+                 * count, hence we need to limit the number of blocks we are
+                 * trying to reserve to avoid an overflow. We can't allocate
+                 * more than @nimaps extents, and an extent is limited on disk
+                 * to MAXEXTLEN (21 bits), so use that to enforce the limit.
+                 */
+                resblks = min_t(xfs_fileoff_t, (e - s), (MAXEXTLEN * nimaps));
                if (unlikely(rt)) {
-                        resrtextents = qblocks = (uint)(e - s);
+                        resrtextents = qblocks = resblks;
                        resrtextents /= mp->m_sb.sb_rextsize;
                        resblks = XFS_DIOSTRAT_SPACE_RES(mp, 0);
                        quota_flag = XFS_QMOPT_RES_RTBLKS;
                } else {
                        resrtextents = 0;
-                        resblks = qblocks = \
+                        resblks = qblocks = XFS_DIOSTRAT_SPACE_RES(mp, resblks);
-                                XFS_DIOSTRAT_SPACE_RES(mp, (uint)(e - s));
                        quota_flag = XFS_QMOPT_RES_REGBLKS;
                }