8 files changed, 130 insertions, 102 deletions

diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
index 7f8838253410..a1a95b027136 100644
--- a/fs/cifs/cifs_dfs_ref.c
+++ b/fs/cifs/cifs_dfs_ref.c
@@ -74,7 +74,7 @@ static char *cifs_get_share_name(const char *node_name)
         pSep = memchr(UNC+2, '\\', len-2);
         if (!pSep) {
                 cERROR(1, ("%s: no server name end in node name: %s",
-                        __FUNCTION__, node_name));
+                        __func__, node_name));
                 kfree(UNC);
                 return NULL;
         }
@@ -84,7 +84,7 @@ static char *cifs_get_share_name(const char *node_name)
         pSep = memchr(UNC+(pSep-UNC), '\\', len-(pSep-UNC));
         if (!pSep) {
                 cERROR(1, ("%s:2 cant find share name in node name: %s",
-                        __FUNCTION__, node_name));
+                        __func__, node_name));
                 kfree(UNC);
                 return NULL;
         }
@@ -127,7 +127,7 @@ static char *compose_mount_options(const char *sb_mountdata,
         rc = dns_resolve_server_name_to_ip(*devname, &srvIP);
         if (rc != 0) {
                 cERROR(1, ("%s: Failed to resolve server part of %s to IP",
-                          __FUNCTION__, *devname));
+                          __func__, *devname));
                 mountdata = ERR_PTR(rc);
                 goto compose_mount_options_out;
         }
@@ -181,8 +181,8 @@ static char *compose_mount_options(const char *sb_mountdata,
                 }
         }
 
-        /*cFYI(1,("%s: parent mountdata: %s", __FUNCTION__,sb_mountdata));*/
-        /*cFYI(1, ("%s: submount mountdata: %s", __FUNCTION__, mountdata ));*/
+        /*cFYI(1,("%s: parent mountdata: %s", __func__,sb_mountdata));*/
+        /*cFYI(1, ("%s: submount mountdata: %s", __func__, mountdata ));*/
 
 compose_mount_options_out:
         kfree(srvIP);
@@ -302,7 +302,7 @@ cifs_dfs_follow_mountpoint(struct dentry *dentry, struct nameidata *nd)
         int rc = 0;
         struct vfsmount *mnt = ERR_PTR(-ENOENT);
 
-        cFYI(1, ("in %s", __FUNCTION__));
+        cFYI(1, ("in %s", __func__));
         BUG_ON(IS_ROOT(dentry));
 
         xid = GetXid();
@@ -336,7 +336,7 @@ cifs_dfs_follow_mountpoint(struct dentry *dentry, struct nameidata *nd)
                         len = strlen(referrals[i].node_name);
                         if (len < 2) {
                                 cERROR(1, ("%s: Net Address path too short: %s",
-                                        __FUNCTION__, referrals[i].node_name));
+                                        __func__, referrals[i].node_name));
                                 rc = -EINVAL;
                                 goto out_err;
                         }
@@ -344,7 +344,7 @@ cifs_dfs_follow_mountpoint(struct dentry *dentry, struct nameidata *nd)
                                                 nd->path.dentry,
                                                 referrals[i].node_name);
                         cFYI(1, ("%s: cifs_dfs_do_refmount:%s , mnt:%p",
-                                         __FUNCTION__,
+                                         __func__,
                                         referrals[i].node_name, mnt));
 
                         /* complete mount procedure if we accured submount */
@@ -365,7 +365,7 @@ out:
         FreeXid(xid);
         free_dfs_info_array(referrals, num_referrals);
         kfree(full_path);
-        cFYI(1, ("leaving %s" , __FUNCTION__));
+        cFYI(1, ("leaving %s" , __func__));
         return ERR_PTR(rc);
 out_err:
         path_put(&nd->path);
diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index f93932c21772..1f5a4289b848 100644
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -1,7 +1,7 @@
 /*
  *   fs/cifs/cifsacl.c
  *
- *   Copyright (C) International Business Machines  Corp., 2007
+ *   Copyright (C) International Business Machines  Corp., 2007,2008
  *   Author(s): Steve French (sfrench@us.ibm.com)
  *
  *   Contains the routines for mapping CIFS/NTFS ACLs
@@ -556,9 +556,9 @@ static int build_sec_desc(struct cifs_ntsd *pntsd, struct cifs_ntsd *pnntsd,
 
 /* Retrieve an ACL from the server */
 static struct cifs_ntsd *get_cifs_acl(u32 *pacllen, struct inode *inode,
-                                       const char *path)
+                                       const char *path, const __u16 *pfid)
 {
-        struct cifsFileInfo *open_file;
+        struct cifsFileInfo *open_file = NULL;
         int unlock_file = FALSE;
         int xid;
         int rc = -EIO;
@@ -573,7 +573,11 @@ static struct cifs_ntsd *get_cifs_acl(u32 *pacllen, struct inode *inode,
                 return NULL;
 
         xid = GetXid();
-        open_file = find_readable_file(CIFS_I(inode));
+        if (pfid == NULL)
+                open_file = find_readable_file(CIFS_I(inode));
+        else
+                fid = *pfid;
+
         sb = inode->i_sb;
         if (sb == NULL) {
                 FreeXid(xid);
@@ -584,7 +588,7 @@ static struct cifs_ntsd *get_cifs_acl(u32 *pacllen, struct inode *inode,
         if (open_file) {
                 unlock_file = TRUE;
                 fid = open_file->netfid;
-        } else {
+        } else if (pfid == NULL) {
                 int oplock = FALSE;
                 /* open file */
                 rc = CIFSSMBOpen(xid, cifs_sb->tcon, path, FILE_OPEN,
@@ -600,10 +604,11 @@ static struct cifs_ntsd *get_cifs_acl(u32 *pacllen, struct inode *inode,
 
         rc = CIFSSMBGetCIFSACL(xid, cifs_sb->tcon, fid, &pntsd, pacllen);
         cFYI(1, ("GetCIFSACL rc = %d ACL len %d", rc, *pacllen));
-        if (unlock_file == TRUE)
+        if (unlock_file == TRUE) /* find_readable_file increments ref count */
                 atomic_dec(&open_file->wrtPending);
-        else
+        else if (pfid == NULL) /* if opened above we have to close the handle */
                 CIFSSMBClose(xid, cifs_sb->tcon, fid);
+        /* else handle was passed in by caller */
 
         FreeXid(xid);
         return pntsd;
@@ -664,14 +669,14 @@ static int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen,
 }
 
 /* Translate the CIFS ACL (simlar to NTFS ACL) for a file into mode bits */
-void acl_to_uid_mode(struct inode *inode, const char *path)
+void acl_to_uid_mode(struct inode *inode, const char *path, const __u16 *pfid)
 {
         struct cifs_ntsd *pntsd = NULL;
         u32 acllen = 0;
         int rc = 0;
 
         cFYI(DBG2, ("converting ACL to mode for %s", path));
-        pntsd = get_cifs_acl(&acllen, inode, path);
+        pntsd = get_cifs_acl(&acllen, inode, path, pfid);
 
         /* if we can retrieve the ACL, now parse Access Control Entries, ACEs */
         if (pntsd)
@@ -694,7 +699,7 @@ int mode_to_acl(struct inode *inode, const char *path, __u64 nmode)
         cFYI(DBG2, ("set ACL from mode for %s", path));
 
         /* Get the security descriptor */
-        pntsd = get_cifs_acl(&acllen, inode, path);
+        pntsd = get_cifs_acl(&acllen, inode, path, NULL);
 
         /* Add three ACEs for owner, group, everyone getting rid of
            other ACEs as chmod disables ACEs and set the security descriptor */
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 0af63e6b426b..7e5e0e78cd72 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -39,8 +39,8 @@ extern int smb_send(struct socket *, struct smb_hdr *,
                         unsigned int /* length */ , struct sockaddr *);
 extern unsigned int _GetXid(void);
 extern void _FreeXid(unsigned int);
-#define GetXid() (int)_GetXid(); cFYI(1,("CIFS VFS: in %s as Xid: %d with uid: %d",__FUNCTION__, xid,current->fsuid));
-#define FreeXid(curr_xid) {_FreeXid(curr_xid); cFYI(1,("CIFS VFS: leaving %s (xid = %d) rc = %d",__FUNCTION__,curr_xid,(int)rc));}
+#define GetXid() (int)_GetXid(); cFYI(1,("CIFS VFS: in %s as Xid: %d with uid: %d",__func__, xid,current->fsuid));
+#define FreeXid(curr_xid) {_FreeXid(curr_xid); cFYI(1,("CIFS VFS: leaving %s (xid = %d) rc = %d",__func__,curr_xid,(int)rc));}
 extern char *build_path_from_dentry(struct dentry *);
 extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
 /* extern void renew_parental_timestamps(struct dentry *direntry);*/
@@ -92,11 +92,12 @@ extern struct timespec cnvrtDosUnixTm(__u16 date, __u16 time);
 extern int cifs_get_inode_info(struct inode **pinode,
                         const unsigned char *search_path,
                         FILE_ALL_INFO * pfile_info,
-                        struct super_block *sb, int xid);
+                        struct super_block *sb, int xid, const __u16 *pfid);
 extern int cifs_get_inode_info_unix(struct inode **pinode,
                         const unsigned char *search_path,
                         struct super_block *sb, int xid);
-extern void acl_to_uid_mode(struct inode *inode, const char *search_path);
+extern void acl_to_uid_mode(struct inode *inode, const char *path,
+                            const __u16 *pfid);
 extern int mode_to_acl(struct inode *inode, const char *path, __u64);
 
 extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 4e83b47c4b34..0f5c62ba4038 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -229,7 +229,8 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode,
                                                  inode->i_sb, xid);
                 else {
                         rc = cifs_get_inode_info(&newinode, full_path,
-                                                 buf, inode->i_sb, xid);
+                                                 buf, inode->i_sb, xid,
+                                                 &fileHandle);
                         if (newinode) {
                                 newinode->i_mode = mode;
                                 if ((oplock & CIFS_CREATE_ACTION) &&
@@ -483,7 +484,7 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry,
                                               parent_dir_inode->i_sb, xid);
         else
                 rc = cifs_get_inode_info(&newInode, full_path, NULL,
-                                         parent_dir_inode->i_sb, xid);
+                                         parent_dir_inode->i_sb, xid, NULL);
 
         if ((rc == 0) && (newInode != NULL)) {
                 if (pTcon->nocase)
diff --git a/fs/cifs/dns_resolve.c b/fs/cifs/dns_resolve.c
index ef7f43824347..7cc86c418182 100644
--- a/fs/cifs/dns_resolve.c
+++ b/fs/cifs/dns_resolve.c
@@ -77,14 +77,14 @@ dns_resolve_server_name_to_ip(const char *unc, char **ip_addr)
         /* search for server name delimiter */
         len = strlen(unc);
         if (len < 3) {
-                cFYI(1, ("%s: unc is too short: %s", __FUNCTION__, unc));
+                cFYI(1, ("%s: unc is too short: %s", __func__, unc));
                 return -EINVAL;
         }
         len -= 2;
         name = memchr(unc+2, '\\', len);
         if (!name) {
                 cFYI(1, ("%s: probably server name is whole unc: %s",
-                                        __FUNCTION__, unc));
+                                        __func__, unc));
         } else {
                 len = (name - unc) - 2/* leading // */;
         }
@@ -104,7 +104,7 @@ dns_resolve_server_name_to_ip(const char *unc, char **ip_addr)
                 if (*ip_addr) {
                         memcpy(*ip_addr, rkey->payload.data, len);
                         (*ip_addr)[len] = '\0';
-                        cFYI(1, ("%s: resolved: %s to %s", __FUNCTION__,
+                        cFYI(1, ("%s: resolved: %s to %s", __func__,
                                         rkey->description,
                                         *ip_addr
                                 ));
@@ -114,7 +114,7 @@ dns_resolve_server_name_to_ip(const char *unc, char **ip_addr)
                 }
                 key_put(rkey);
         } else {
-                cERROR(1, ("%s: unable to resolve: %s", __FUNCTION__, name));
+                cERROR(1, ("%s: unable to resolve: %s", __func__, name));
         }
 
         kfree(name);
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index fa849c91d323..40b690073fc1 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -145,7 +145,7 @@ client_can_cache:
                         full_path, inode->i_sb, xid);
         else
                 rc = cifs_get_inode_info(&file->f_path.dentry->d_inode,
-                        full_path, buf, inode->i_sb, xid);
+                        full_path, buf, inode->i_sb, xid, NULL);
 
         if ((*oplock & 0xF) == OPLOCK_EXCLUSIVE) {
                 pCifsInode->clientCanCacheAll = TRUE;
@@ -440,7 +440,7 @@ reopen_error_exit:
                                 else
                                         rc = cifs_get_inode_info(&inode,
                                                 full_path, NULL, inode->i_sb,
-                                                xid);
+                                                xid, NULL);
                         } /* else we are writing out data to server already
                              and could deadlock if we tried to flush data, and
                              since we do not know if we have data that would
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 24eb4d392155..bc673c8c1e6b 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -30,7 +30,7 @@
 #include "cifs_fs_sb.h"
 
 
-static void cifs_set_ops(struct inode *inode)
+static void cifs_set_ops(struct inode *inode, const bool is_dfs_referral)
 {
         struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
 
@@ -57,8 +57,16 @@ static void cifs_set_ops(struct inode *inode)
                         inode->i_data.a_ops = &cifs_addr_ops;
                 break;
         case S_IFDIR:
-                inode->i_op = &cifs_dir_inode_ops;
-                inode->i_fop = &cifs_dir_ops;
+#ifdef CONFIG_CIFS_DFS_UPCALL
+                if (is_dfs_referral) {
+                        inode->i_op = &cifs_dfs_referral_inode_operations;
+                } else {
+#else /* NO DFS support, treat as a directory */
+                {
+#endif
+                        inode->i_op = &cifs_dir_inode_ops;
+                        inode->i_fop = &cifs_dir_ops;
+                }
                 break;
         case S_IFLNK:
                 inode->i_op = &cifs_symlink_inode_ops;
@@ -153,6 +161,30 @@ static void cifs_unix_info_to_inode(struct inode *inode,
         spin_unlock(&inode->i_lock);
 }
 
+static const unsigned char *cifs_get_search_path(struct cifsTconInfo *pTcon,
+                                        const char *search_path)
+{
+        int tree_len;
+        int path_len;
+        char *tmp_path;
+
+        if (!(pTcon->Flags & SMB_SHARE_IS_IN_DFS))
+                return search_path;
+
+        /* use full path name for working with DFS */
+        tree_len = strnlen(pTcon->treeName, MAX_TREE_SIZE + 1);
+        path_len = strnlen(search_path, MAX_PATHCONF);
+
+        tmp_path = kmalloc(tree_len+path_len+1, GFP_KERNEL);
+        if (tmp_path == NULL)
+                return search_path;
+
+        strncpy(tmp_path, pTcon->treeName, tree_len);
+        strncpy(tmp_path+tree_len, search_path, path_len);
+        tmp_path[tree_len+path_len] = 0;
+        return tmp_path;
+}
+
 int cifs_get_inode_info_unix(struct inode **pinode,
         const unsigned char *search_path, struct super_block *sb, int xid)
 {
@@ -161,41 +193,31 @@ int cifs_get_inode_info_unix(struct inode **pinode,
         struct cifsTconInfo *pTcon;
         struct inode *inode;
         struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
-        char *tmp_path;
+        const unsigned char *full_path;
+        bool is_dfs_referral = false;
 
         pTcon = cifs_sb->tcon;
         cFYI(1, ("Getting info on %s", search_path));
+
+        full_path = cifs_get_search_path(pTcon, search_path);
+
+try_again_CIFSSMBUnixQPathInfo:
         /* could have done a find first instead but this returns more info */
-        rc = CIFSSMBUnixQPathInfo(xid, pTcon, search_path, &findData,
+        rc = CIFSSMBUnixQPathInfo(xid, pTcon, full_path, &findData,
                                   cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
                                         CIFS_MOUNT_MAP_SPECIAL_CHR);
 /*      dump_mem("\nUnixQPathInfo return data", &findData,
                  sizeof(findData)); */
         if (rc) {
-                if (rc == -EREMOTE) {
-                        tmp_path =
-                            kmalloc(strnlen(pTcon->treeName,
-                                            MAX_TREE_SIZE + 1) +
-                                    strnlen(search_path, MAX_PATHCONF) + 1,
-                                    GFP_KERNEL);
-                        if (tmp_path == NULL)
-                                return -ENOMEM;
-
-                        /* have to skip first of the double backslash of
-                           UNC name */
-                        strncpy(tmp_path, pTcon->treeName, MAX_TREE_SIZE);
-                        strncat(tmp_path, search_path, MAX_PATHCONF);
-                        rc = connect_to_dfs_path(xid, pTcon->ses,
-                                                 /* treename + */ tmp_path,
-                                                 cifs_sb->local_nls,
-                                                 cifs_sb->mnt_cifs_flags &
-                                                    CIFS_MOUNT_MAP_SPECIAL_CHR);
-                        kfree(tmp_path);
-
-                        /* BB fix up inode etc. */
-                } else if (rc) {
-                        return rc;
+                if (rc == -EREMOTE && !is_dfs_referral) {
+                        is_dfs_referral = true;
+                        if (full_path != search_path) {
+                                kfree(full_path);
+                                full_path = search_path;
+                        }
+                        goto try_again_CIFSSMBUnixQPathInfo;
                 }
+                goto cgiiu_exit;
         } else {
                 struct cifsInodeInfo *cifsInfo;
                 __u64 num_of_bytes = le64_to_cpu(findData.NumOfBytes);
@@ -204,8 +226,10 @@ int cifs_get_inode_info_unix(struct inode **pinode,
                 /* get new inode */
                 if (*pinode == NULL) {
                         *pinode = new_inode(sb);
-                        if (*pinode == NULL)
-                                return -ENOMEM;
+                        if (*pinode == NULL) {
+                                rc = -ENOMEM;
+                                goto cgiiu_exit;
+                        }
                         /* Is an i_ino of zero legal? */
                         /* Are there sanity checks we can use to ensure that
                            the server is really filling in that field? */
@@ -237,8 +261,11 @@ int cifs_get_inode_info_unix(struct inode **pinode,
                         (unsigned long) inode->i_size,
                         (unsigned long long)inode->i_blocks));
 
-                cifs_set_ops(inode);
+                cifs_set_ops(inode, is_dfs_referral);
         }
+cgiiu_exit:
+        if (full_path != search_path)
+                kfree(full_path);
         return rc;
 }
 
@@ -347,15 +374,16 @@ static int get_sfu_mode(struct inode *inode,
 
 int cifs_get_inode_info(struct inode **pinode,
         const unsigned char *search_path, FILE_ALL_INFO *pfindData,
-        struct super_block *sb, int xid)
+        struct super_block *sb, int xid, const __u16 *pfid)
 {
         int rc = 0;
         struct cifsTconInfo *pTcon;
         struct inode *inode;
         struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
-        char *tmp_path;
+        const unsigned char *full_path = NULL;
         char *buf = NULL;
         int adjustTZ = FALSE;
+        bool is_dfs_referral = false;
 
         pTcon = cifs_sb->tcon;
         cFYI(1, ("Getting info on %s", search_path));
@@ -373,8 +401,12 @@ int cifs_get_inode_info(struct inode **pinode,
                 if (buf == NULL)
                         return -ENOMEM;
                 pfindData = (FILE_ALL_INFO *)buf;
+
+                full_path = cifs_get_search_path(pTcon, search_path);
+
+try_again_CIFSSMBQPathInfo:
                 /* could do find first instead but this returns more info */
-                rc = CIFSSMBQPathInfo(xid, pTcon, search_path, pfindData,
+                rc = CIFSSMBQPathInfo(xid, pTcon, full_path, pfindData,
                               0 /* not legacy */,
                               cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
                                 CIFS_MOUNT_MAP_SPECIAL_CHR);
@@ -382,7 +414,7 @@ int cifs_get_inode_info(struct inode **pinode,
                 when server claims no NT SMB support and the above call
                 failed at least once - set flag in tcon or mount */
                 if ((rc == -EOPNOTSUPP) || (rc == -EINVAL)) {
-                        rc = SMBQueryInformation(xid, pTcon, search_path,
+                        rc = SMBQueryInformation(xid, pTcon, full_path,
                                         pfindData, cifs_sb->local_nls,
                                         cifs_sb->mnt_cifs_flags &
                                           CIFS_MOUNT_MAP_SPECIAL_CHR);
@@ -391,31 +423,15 @@ int cifs_get_inode_info(struct inode **pinode,
         }
         /* dump_mem("\nQPathInfo return data",&findData, sizeof(findData)); */
         if (rc) {
-                if (rc == -EREMOTE) {
-                        tmp_path =
-                            kmalloc(strnlen
-                                    (pTcon->treeName,
-                                     MAX_TREE_SIZE + 1) +
-                                    strnlen(search_path, MAX_PATHCONF) + 1,
-                                    GFP_KERNEL);
-                        if (tmp_path == NULL) {
-                                kfree(buf);
-                                return -ENOMEM;
+                if (rc == -EREMOTE && !is_dfs_referral) {
+                        is_dfs_referral = true;
+                        if (full_path != search_path) {
+                                kfree(full_path);
+                                full_path = search_path;
                         }
-
-                        strncpy(tmp_path, pTcon->treeName, MAX_TREE_SIZE);
-                        strncat(tmp_path, search_path, MAX_PATHCONF);
-                        rc = connect_to_dfs_path(xid, pTcon->ses,
-                                                 /* treename + */ tmp_path,
-                                                 cifs_sb->local_nls,
-                                                 cifs_sb->mnt_cifs_flags &
-                                                   CIFS_MOUNT_MAP_SPECIAL_CHR);
-                        kfree(tmp_path);
-                        /* BB fix up inode etc. */
-                } else if (rc) {
-                        kfree(buf);
-                        return rc;
+                        goto try_again_CIFSSMBQPathInfo;
                 }
+                goto cgii_exit;
         } else {
                 struct cifsInodeInfo *cifsInfo;
                 __u32 attr = le32_to_cpu(pfindData->Attributes);
@@ -424,8 +440,8 @@ int cifs_get_inode_info(struct inode **pinode,
                 if (*pinode == NULL) {
                         *pinode = new_inode(sb);
                         if (*pinode == NULL) {
-                                kfree(buf);
-                                return -ENOMEM;
+                                rc = -ENOMEM;
+                                goto cgii_exit;
                         }
                         /* Is an i_ino of zero legal? Can we use that to check
                            if the server supports returning inode numbers?  Are
@@ -559,7 +575,7 @@ int cifs_get_inode_info(struct inode **pinode,
                 /* fill in 0777 bits from ACL */
                 if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) {
                         cFYI(1, ("Getting mode bits from ACL"));
-                        acl_to_uid_mode(inode, search_path);
+                        acl_to_uid_mode(inode, search_path, pfid);
                 }
 #endif
                 if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) {
@@ -573,8 +589,11 @@ int cifs_get_inode_info(struct inode **pinode,
                         atomic_set(&cifsInfo->inUse, 1);
                 }
 
-                cifs_set_ops(inode);
+                cifs_set_ops(inode, is_dfs_referral);
         }
+cgii_exit:
+        if (full_path != search_path)
+                kfree(full_path);
         kfree(buf);
         return rc;
 }
@@ -603,7 +622,8 @@ struct inode *cifs_iget(struct super_block *sb, unsigned long ino)
         if (cifs_sb->tcon->unix_ext)
                 rc = cifs_get_inode_info_unix(&inode, "", inode->i_sb, xid);
         else
-                rc = cifs_get_inode_info(&inode, "", NULL, inode->i_sb, xid);
+                rc = cifs_get_inode_info(&inode, "", NULL, inode->i_sb, xid,
+                                         NULL);
         if (rc && cifs_sb->tcon->ipc) {
                 cFYI(1, ("ipc connection - fake read inode"));
                 inode->i_mode |= S_IFDIR;
@@ -804,7 +824,7 @@ static void posix_fill_in_inode(struct inode *tmp_inode,
         local_size  = tmp_inode->i_size;
 
         cifs_unix_info_to_inode(tmp_inode, pData, 1);
-        cifs_set_ops(tmp_inode);
+        cifs_set_ops(tmp_inode, false);
 
         if (!S_ISREG(tmp_inode->i_mode))
                 return;
@@ -936,7 +956,7 @@ mkdir_get_info:
                                                       inode->i_sb, xid);
                 else
                         rc = cifs_get_inode_info(&newinode, full_path, NULL,
-                                                 inode->i_sb, xid);
+                                                 inode->i_sb, xid, NULL);
 
                 if (pTcon->nocase)
                         direntry->d_op = &cifs_ci_dentry_ops;
@@ -1218,7 +1238,7 @@ int cifs_revalidate(struct dentry *direntry)
                 }
         } else {
                 rc = cifs_get_inode_info(&direntry->d_inode, full_path, NULL,
-                                         direntry->d_sb, xid);
+                                         direntry->d_sb, xid, NULL);
                 if (rc) {
                         cFYI(1, ("error on getting revalidate info %d", rc));
 /*                      if (rc != -ENOENT)
@@ -1407,11 +1427,10 @@ int cifs_setattr(struct dentry *direntry, struct iattr *attrs)
         }
         cifsInode = CIFS_I(direntry->d_inode);
 
-        /* BB check if we need to refresh inode from server now ? BB */
-
-        if (attrs->ia_valid & ATTR_SIZE) {
+        if ((attrs->ia_valid & ATTR_MTIME) || (attrs->ia_valid & ATTR_SIZE)) {
                 /*
-                   Flush data before changing file size on server. If the
+                   Flush data before changing file size or changing the last
+                   write time of the file on the server. If the
                    flush returns error, store it to report later and continue.
                    BB: This should be smarter. Why bother flushing pages that
                    will be truncated anyway? Also, should we error out here if
@@ -1422,7 +1441,9 @@ int cifs_setattr(struct dentry *direntry, struct iattr *attrs)
                         CIFS_I(direntry->d_inode)->write_behind_rc = rc;
                         rc = 0;
                 }
+        }
 
+        if (attrs->ia_valid & ATTR_SIZE) {
                 /* To avoid spurious oplock breaks from server, in the case of
                    inodes that we already have open, avoid doing path based
                    setting of file size if we can do it by handle.
diff --git a/fs/cifs/link.c b/fs/cifs/link.c
index 1d6fb01b8e6d..d4e7ec93285f 100644
--- a/fs/cifs/link.c
+++ b/fs/cifs/link.c
@@ -205,7 +205,7 @@ cifs_symlink(struct inode *inode, struct dentry *direntry, const char *symname)
                                                       inode->i_sb, xid);
                 else
                         rc = cifs_get_inode_info(&newinode, full_path, NULL,
-                                                 inode->i_sb, xid);
+                                                 inode->i_sb, xid, NULL);
 
                 if (rc != 0) {
                         cFYI(1, ("Create symlink ok, getinodeinfo fail rc = %d",