53 files changed, 758 insertions, 497 deletions

diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index 2d3e32ebfd15..8729cf68d2fe 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -1552,7 +1552,6 @@ int tree_backref_for_extent(unsigned long *ptr, struct extent_buffer *eb,
 {
         int ret;
         int type;
-        struct btrfs_tree_block_info *info;
         struct btrfs_extent_inline_ref *eiref;
 
         if (*ptr == (unsigned long)-1)
@@ -1573,9 +1572,17 @@ int tree_backref_for_extent(unsigned long *ptr, struct extent_buffer *eb,
         }
 
         /* we can treat both ref types equally here */
-        info = (struct btrfs_tree_block_info *)(ei + 1);
         *out_root = btrfs_extent_inline_ref_offset(eb, eiref);
-        *out_level = btrfs_tree_block_level(eb, info);
+
+        if (key->type == BTRFS_EXTENT_ITEM_KEY) {
+                struct btrfs_tree_block_info *info;
+
+                info = (struct btrfs_tree_block_info *)(ei + 1);
+                *out_level = btrfs_tree_block_level(eb, info);
+        } else {
+                ASSERT(key->type == BTRFS_METADATA_ITEM_KEY);
+                *out_level = (u8)key->offset;
+        }
 
         if (ret == 1)
                 *ptr = (unsigned long)-1;
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 7e607416755a..0b180708bf79 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1171,6 +1171,7 @@ struct btrfs_space_info {
         struct percpu_counter total_bytes_pinned;
 
         struct list_head list;
+        /* Protected by the spinlock 'lock'. */
         struct list_head ro_bgs;
 
         struct rw_semaphore groups_sem;
diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index 054577bddaf2..de4e70fb3cbb 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -1857,6 +1857,14 @@ int btrfs_delayed_delete_inode_ref(struct inode *inode)
 {
         struct btrfs_delayed_node *delayed_node;
 
+        /*
+         * we don't do delayed inode updates during log recovery because it
+         * leads to enospc problems.  This means we also can't do
+         * delayed inode refs
+         */
+        if (BTRFS_I(inode)->root->fs_info->log_root_recovering)
+                return -EAGAIN;
+
         delayed_node = btrfs_get_or_create_delayed_node(inode);
         if (IS_ERR(delayed_node))
                 return PTR_ERR(delayed_node);
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index a80b97100d90..a684086c3c81 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3139,9 +3139,11 @@ static int write_one_cache_group(struct btrfs_trans_handle *trans,
         struct extent_buffer *leaf;
 
         ret = btrfs_search_slot(trans, extent_root, &cache->key, path, 0, 1);
-        if (ret < 0)
+        if (ret) {
+                if (ret > 0)
+                        ret = -ENOENT;
                 goto fail;
-        BUG_ON(ret); /* Corruption */
+        }
 
         leaf = path->nodes[0];
         bi = btrfs_item_ptr_offset(leaf, path->slots[0]);
@@ -3149,11 +3151,9 @@ static int write_one_cache_group(struct btrfs_trans_handle *trans,
         btrfs_mark_buffer_dirty(leaf);
         btrfs_release_path(path);
 fail:
-        if (ret) {
+        if (ret)
                 btrfs_abort_transaction(trans, root, ret);
-                return ret;
-        }
-        return 0;
+        return ret;
 
 }
 
@@ -9422,7 +9422,6 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
          * are still on the list after taking the semaphore
          */
         list_del_init(&block_group->list);
-        list_del_init(&block_group->ro_list);
         if (list_empty(&block_group->space_info->block_groups[index])) {
                 kobj = block_group->space_info->block_group_kobjs[index];
                 block_group->space_info->block_group_kobjs[index] = NULL;
@@ -9464,6 +9463,7 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
         btrfs_remove_free_space_cache(block_group);
 
         spin_lock(&block_group->space_info->lock);
+        list_del_init(&block_group->ro_list);
         block_group->space_info->total_bytes -= block_group->key.offset;
         block_group->space_info->bytes_readonly -= block_group->key.offset;
         block_group->space_info->disk_total -= block_group->key.offset * factor;
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 4ebabd237153..790dbae3343c 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2190,7 +2190,7 @@ void btrfs_free_io_failure_record(struct inode *inode, u64 start, u64 end)
 
                 next = next_state(state);
 
-                failrec = (struct io_failure_record *)state->private;
+                failrec = (struct io_failure_record *)(unsigned long)state->private;
                 free_extent_state(state);
                 kfree(failrec);
 
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index e687bb0dc73a..8bf326affb94 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -6255,8 +6255,10 @@ static int btrfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
 
 out_fail:
         btrfs_end_transaction(trans, root);
-        if (drop_on_err)
+        if (drop_on_err) {
+                inode_dec_link_count(inode);
                 iput(inode);
+        }
         btrfs_balance_delayed_items(root);
         btrfs_btree_balance_dirty(root);
         return err;
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index f2bb13a23f86..e427cb7ee12c 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -2607,9 +2607,9 @@ static int scrub_extent_for_parity(struct scrub_parity *sparity,
                 ret = scrub_pages_for_parity(sparity, logical, l, physical, dev,
                                              flags, gen, mirror_num,
                                              have_csum ? csum : NULL);
-skip:
                 if (ret)
                         return ret;
+skip:
                 len -= l;
                 logical += l;
                 physical += l;
@@ -3053,7 +3053,7 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx,
 
         ppath = btrfs_alloc_path();
         if (!ppath) {
-                btrfs_free_path(ppath);
+                btrfs_free_path(path);
                 return -ENOMEM;
         }
 
@@ -3065,6 +3065,8 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx,
         path->search_commit_root = 1;
         path->skip_locking = 1;
 
+        ppath->search_commit_root = 1;
+        ppath->skip_locking = 1;
         /*
          * trigger the readahead for extent tree csum tree and wait for
          * completion. During readahead, the scrub is officially paused
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 60f7cbe815e9..6f49b2872a64 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1000,10 +1000,20 @@ int btrfs_sync_fs(struct super_block *sb, int wait)
                          */
                         if (fs_info->pending_changes == 0)
                                 return 0;
+                        /*
+                         * A non-blocking test if the fs is frozen. We must not
+                         * start a new transaction here otherwise a deadlock
+                         * happens. The pending operations are delayed to the
+                         * next commit after thawing.
+                         */
+                        if (__sb_start_write(sb, SB_FREEZE_WRITE, false))
+                                __sb_end_write(sb, SB_FREEZE_WRITE);
+                        else
+                                return 0;
                         trans = btrfs_start_transaction(root, 0);
-                } else {
-                        return PTR_ERR(trans);
                 }
+                if (IS_ERR(trans))
+                        return PTR_ERR(trans);
         }
         return btrfs_commit_transaction(trans, root);
 }
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index a605d4e2f2bc..e88b59d13439 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -2118,7 +2118,7 @@ void btrfs_apply_pending_changes(struct btrfs_fs_info *fs_info)
         unsigned long prev;
         unsigned long bit;
 
-        prev = cmpxchg(&fs_info->pending_changes, 0, 0);
+        prev = xchg(&fs_info->pending_changes, 0);
         if (!prev)
                 return;
 
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index f5013d92a7e6..c81c0e004588 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -1416,7 +1416,7 @@ void ceph_fill_inline_data(struct inode *inode, struct page *locked_page,
                 }
         }
 
-        dout("fill_inline_data %p %llx.%llx len %lu locked_page %p\n",
+        dout("fill_inline_data %p %llx.%llx len %zu locked_page %p\n",
              inode, ceph_vinop(inode), len, locked_page);
 
         if (len > 0) {
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 6e139111fdb2..22b289a3b1c4 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -661,16 +661,16 @@ set_credits(struct TCP_Server_Info *server, const int val)
         server->ops->set_credits(server, val);
 }
 
-static inline __u64
+static inline __le64
 get_next_mid64(struct TCP_Server_Info *server)
 {
-        return server->ops->get_next_mid(server);
+        return cpu_to_le64(server->ops->get_next_mid(server));
 }
 
 static inline __le16
 get_next_mid(struct TCP_Server_Info *server)
 {
-        __u16 mid = get_next_mid64(server);
+        __u16 mid = server->ops->get_next_mid(server);
         /*
          * The value in the SMB header should be little endian for easy
          * on-the-wire decoding.
diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c
index 45cb59bcc791..8b7898b7670f 100644
--- a/fs/cifs/ioctl.c
+++ b/fs/cifs/ioctl.c
@@ -86,21 +86,16 @@ static long cifs_ioctl_clone(unsigned int xid, struct file *dst_file,
         }
 
         src_inode = file_inode(src_file.file);
+        rc = -EINVAL;
+        if (S_ISDIR(src_inode->i_mode))
+                goto out_fput;
 
         /*
          * Note: cifs case is easier than btrfs since server responsible for
          * checks for proper open modes and file type and if it wants
          * server could even support copy of range where source = target
          */
-
-        /* so we do not deadlock racing two ioctls on same files */
-        if (target_inode < src_inode) {
-                mutex_lock_nested(&target_inode->i_mutex, I_MUTEX_PARENT);
-                mutex_lock_nested(&src_inode->i_mutex, I_MUTEX_CHILD);
-        } else {
-                mutex_lock_nested(&src_inode->i_mutex, I_MUTEX_PARENT);
-                mutex_lock_nested(&target_inode->i_mutex, I_MUTEX_CHILD);
-        }
+        lock_two_nondirectories(target_inode, src_inode);
 
         /* determine range to clone */
         rc = -EINVAL;
@@ -124,13 +119,7 @@ static long cifs_ioctl_clone(unsigned int xid, struct file *dst_file,
 out_unlock:
         /* although unlocking in the reverse order from locking is not
            strictly necessary here it is a little cleaner to be consistent */
-        if (target_inode < src_inode) {
-                mutex_unlock(&src_inode->i_mutex);
-                mutex_unlock(&target_inode->i_mutex);
-        } else {
-                mutex_unlock(&target_inode->i_mutex);
-                mutex_unlock(&src_inode->i_mutex);
-        }
+        unlock_two_nondirectories(src_inode, target_inode);
 out_fput:
         fdput(src_file);
 out_drop_write:
diff --git a/fs/cifs/netmisc.c b/fs/cifs/netmisc.c
index b333ff60781d..abae6dd2c6b9 100644
--- a/fs/cifs/netmisc.c
+++ b/fs/cifs/netmisc.c
@@ -926,6 +926,7 @@ cifs_NTtimeToUnix(__le64 ntutc)
 
         /* Subtract the NTFS time offset, then convert to 1s intervals. */
         s64 t = le64_to_cpu(ntutc) - NTFS_TIME_OFFSET;
+        u64 abs_t;
 
         /*
          * Unfortunately can not use normal 64 bit division on 32 bit arch, but
@@ -933,13 +934,14 @@ cifs_NTtimeToUnix(__le64 ntutc)
          * to special case them
          */
         if (t < 0) {
-                t = -t;
-                ts.tv_nsec = (long)(do_div(t, 10000000) * 100);
+                abs_t = -t;
+                ts.tv_nsec = (long)(do_div(abs_t, 10000000) * 100);
                 ts.tv_nsec = -ts.tv_nsec;
-                ts.tv_sec = -t;
+                ts.tv_sec = -abs_t;
         } else {
-                ts.tv_nsec = (long)do_div(t, 10000000) * 100;
-                ts.tv_sec = t;
+                abs_t = t;
+                ts.tv_nsec = (long)do_div(abs_t, 10000000) * 100;
+                ts.tv_sec = abs_t;
         }
 
         return ts;
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index 8eaf20a80649..c295338e0a98 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -69,7 +69,8 @@ static inline void dump_cifs_file_struct(struct file *file, char *label)
  * Attempt to preload the dcache with the results from the FIND_FIRST/NEXT
  *
  * Find the dentry that matches "name". If there isn't one, create one. If it's
- * a negative dentry or the uniqueid changed, then drop it and recreate it.
+ * a negative dentry or the uniqueid or filetype(mode) changed,
+ * then drop it and recreate it.
  */
 static void
 cifs_prime_dcache(struct dentry *parent, struct qstr *name,
@@ -97,8 +98,11 @@ cifs_prime_dcache(struct dentry *parent, struct qstr *name,
                         if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM))
                                 fattr->cf_uniqueid = CIFS_I(inode)->uniqueid;
 
-                        /* update inode in place if i_ino didn't change */
-                        if (CIFS_I(inode)->uniqueid == fattr->cf_uniqueid) {
+                        /* update inode in place
+                         * if both i_ino and i_mode didn't change */
+                        if (CIFS_I(inode)->uniqueid == fattr->cf_uniqueid &&
+                            (inode->i_mode & S_IFMT) ==
+                            (fattr->cf_mode & S_IFMT)) {
                                 cifs_fattr_to_inode(inode, fattr);
                                 goto out;
                         }
diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c
index f1cefc9763ed..689f035915cf 100644
--- a/fs/cifs/smb2misc.c
+++ b/fs/cifs/smb2misc.c
@@ -32,12 +32,14 @@
 static int
 check_smb2_hdr(struct smb2_hdr *hdr, __u64 mid)
 {
+        __u64 wire_mid = le64_to_cpu(hdr->MessageId);
+
         /*
          * Make sure that this really is an SMB, that it is a response,
          * and that the message ids match.
          */
         if ((*(__le32 *)hdr->ProtocolId == SMB2_PROTO_NUMBER) &&
-            (mid == hdr->MessageId)) {
+            (mid == wire_mid)) {
                 if (hdr->Flags & SMB2_FLAGS_SERVER_TO_REDIR)
                         return 0;
                 else {
@@ -51,11 +53,11 @@ check_smb2_hdr(struct smb2_hdr *hdr, __u64 mid)
                 if (*(__le32 *)hdr->ProtocolId != SMB2_PROTO_NUMBER)
                         cifs_dbg(VFS, "Bad protocol string signature header %x\n",
                                  *(unsigned int *) hdr->ProtocolId);
-                if (mid != hdr->MessageId)
+                if (mid != wire_mid)
                         cifs_dbg(VFS, "Mids do not match: %llu and %llu\n",
-                                 mid, hdr->MessageId);
+                                 mid, wire_mid);
         }
-        cifs_dbg(VFS, "Bad SMB detected. The Mid=%llu\n", hdr->MessageId);
+        cifs_dbg(VFS, "Bad SMB detected. The Mid=%llu\n", wire_mid);
         return 1;
 }
 
@@ -95,7 +97,7 @@ smb2_check_message(char *buf, unsigned int length)
 {
         struct smb2_hdr *hdr = (struct smb2_hdr *)buf;
         struct smb2_pdu *pdu = (struct smb2_pdu *)hdr;
-        __u64 mid = hdr->MessageId;
+        __u64 mid = le64_to_cpu(hdr->MessageId);
         __u32 len = get_rfc1002_length(buf);
         __u32 clc_len;  /* calculated length */
         int command;
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 93fd0586f9ec..96b5d40a2ece 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -176,10 +176,11 @@ smb2_find_mid(struct TCP_Server_Info *server, char *buf)
 {
         struct mid_q_entry *mid;
         struct smb2_hdr *hdr = (struct smb2_hdr *)buf;
+        __u64 wire_mid = le64_to_cpu(hdr->MessageId);
 
         spin_lock(&GlobalMid_Lock);
         list_for_each_entry(mid, &server->pending_mid_q, qhead) {
-                if ((mid->mid == hdr->MessageId) &&
+                if ((mid->mid == wire_mid) &&
                     (mid->mid_state == MID_REQUEST_SUBMITTED) &&
                     (mid->command == hdr->Command)) {
                         spin_unlock(&GlobalMid_Lock);
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index ce858477002a..70867d54fb8b 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -110,7 +110,7 @@ struct smb2_hdr {
         __le16 CreditRequest;  /* CreditResponse */
         __le32 Flags;
         __le32 NextCommand;
-        __u64  MessageId;       /* opaque - so can stay little endian */
+        __le64 MessageId;
         __le32 ProcessId;
         __u32  TreeId;          /* opaque - so do not make little endian */
         __u64  SessionId;       /* opaque - so do not make little endian */
diff --git a/fs/cifs/smb2transport.c b/fs/cifs/smb2transport.c
index 5111e7272db6..d4c5b6f109a7 100644
--- a/fs/cifs/smb2transport.c
+++ b/fs/cifs/smb2transport.c
@@ -490,7 +490,7 @@ smb2_mid_entry_alloc(const struct smb2_hdr *smb_buffer,
                 return temp;
         else {
                 memset(temp, 0, sizeof(struct mid_q_entry));
-                temp->mid = smb_buffer->MessageId;      /* always LE */
+                temp->mid = le64_to_cpu(smb_buffer->MessageId);
                 temp->pid = current->pid;
                 temp->command = smb_buffer->Command;    /* Always LE */
                 temp->when_alloc = jiffies;
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index e5d3eadf47b1..bed43081720f 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -5166,8 +5166,8 @@ int ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 
         /* fallback to generic here if not in extents fmt */
         if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)))
-                return __generic_block_fiemap(inode, fieinfo, start, len,
-                                              ext4_get_block);
+                return generic_block_fiemap(inode, fieinfo, start, len,
+                        ext4_get_block);
 
         if (fiemap_check_flags(fieinfo, EXT4_FIEMAP_FLAGS))
                 return -EBADR;
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 513c12cf444c..8131be8c0af3 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -273,19 +273,24 @@ static int ext4_file_open(struct inode * inode, struct file * filp)
  * we determine this extent as a data or a hole according to whether the
  * page cache has data or not.
  */
-static int ext4_find_unwritten_pgoff(struct inode *inode, int whence,
-                                     loff_t endoff, loff_t *offset)
+static int ext4_find_unwritten_pgoff(struct inode *inode,
+                                     int whence,
+                                     struct ext4_map_blocks *map,
+                                     loff_t *offset)
 {
         struct pagevec pvec;
+        unsigned int blkbits;
         pgoff_t index;
         pgoff_t end;
+        loff_t endoff;
         loff_t startoff;
         loff_t lastoff;
         int found = 0;
 
+        blkbits = inode->i_sb->s_blocksize_bits;
         startoff = *offset;
         lastoff = startoff;
-
+        endoff = (loff_t)(map->m_lblk + map->m_len) << blkbits;
 
         index = startoff >> PAGE_CACHE_SHIFT;
         end = endoff >> PAGE_CACHE_SHIFT;
@@ -403,144 +408,147 @@ out:
 static loff_t ext4_seek_data(struct file *file, loff_t offset, loff_t maxsize)
 {
         struct inode *inode = file->f_mapping->host;
-        struct fiemap_extent_info fie;
-        struct fiemap_extent ext[2];
-        loff_t next;
-        int i, ret = 0;
+        struct ext4_map_blocks map;
+        struct extent_status es;
+        ext4_lblk_t start, last, end;
+        loff_t dataoff, isize;
+        int blkbits;
+        int ret = 0;
 
         mutex_lock(&inode->i_mutex);
-        if (offset >= inode->i_size) {
+
+        isize = i_size_read(inode);
+        if (offset >= isize) {
                 mutex_unlock(&inode->i_mutex);
                 return -ENXIO;
         }
-        fie.fi_flags = 0;
-        fie.fi_extents_max = 2;
-        fie.fi_extents_start = (struct fiemap_extent __user *) &ext;
-        while (1) {
-                mm_segment_t old_fs = get_fs();
-
-                fie.fi_extents_mapped = 0;
-                memset(ext, 0, sizeof(*ext) * fie.fi_extents_max);
-
-                set_fs(get_ds());
-                ret = ext4_fiemap(inode, &fie, offset, maxsize - offset);
-                set_fs(old_fs);
-                if (ret)
+
+        blkbits = inode->i_sb->s_blocksize_bits;
+        start = offset >> blkbits;
+        last = start;
+        end = isize >> blkbits;
+        dataoff = offset;
+
+        do {
+                map.m_lblk = last;
+                map.m_len = end - last + 1;
+                ret = ext4_map_blocks(NULL, inode, &map, 0);
+                if (ret > 0 && !(map.m_flags & EXT4_MAP_UNWRITTEN)) {
+                        if (last != start)
+                                dataoff = (loff_t)last << blkbits;
                         break;
+                }
 
-                /* No extents found, EOF */
-                if (!fie.fi_extents_mapped) {
-                        ret = -ENXIO;
+                /*
+                 * If there is a delay extent at this offset,
+                 * it will be as a data.
+                 */
+                ext4_es_find_delayed_extent_range(inode, last, last, &es);
+                if (es.es_len != 0 && in_range(last, es.es_lblk, es.es_len)) {
+                        if (last != start)
+                                dataoff = (loff_t)last << blkbits;
                         break;
                 }
-                for (i = 0; i < fie.fi_extents_mapped; i++) {
-                        next = (loff_t)(ext[i].fe_length + ext[i].fe_logical);
 
-                        if (offset < (loff_t)ext[i].fe_logical)
-                                offset = (loff_t)ext[i].fe_logical;
-                        /*
-                         * If extent is not unwritten, then it contains valid
-                         * data, mapped or delayed.
-                         */
-                        if (!(ext[i].fe_flags & FIEMAP_EXTENT_UNWRITTEN))
-                                goto out;
+                /*
+                 * If there is a unwritten extent at this offset,
+                 * it will be as a data or a hole according to page
+                 * cache that has data or not.
+                 */
+                if (map.m_flags & EXT4_MAP_UNWRITTEN) {
+                        int unwritten;
+                        unwritten = ext4_find_unwritten_pgoff(inode, SEEK_DATA,
+                                                              &map, &dataoff);
+                        if (unwritten)
+                                break;
+                }
 
-                        /*
-                         * If there is a unwritten extent at this offset,
-                         * it will be as a data or a hole according to page
-                         * cache that has data or not.
-                         */
-                        if (ext4_find_unwritten_pgoff(inode, SEEK_DATA,
-                                                      next, &offset))
-                                goto out;
+                last++;
+                dataoff = (loff_t)last << blkbits;
+        } while (last <= end);
 
-                        if (ext[i].fe_flags & FIEMAP_EXTENT_LAST) {
-                                ret = -ENXIO;
-                                goto out;
-                        }
-                        offset = next;
-                }
-        }
-        if (offset > inode->i_size)
-                offset = inode->i_size;
-out:
         mutex_unlock(&inode->i_mutex);
-        if (ret)
-                return ret;
 
-        return vfs_setpos(file, offset, maxsize);
+        if (dataoff > isize)
+                return -ENXIO;
+
+        return vfs_setpos(file, dataoff, maxsize);
 }
 
 /*
- * ext4_seek_hole() retrieves the offset for SEEK_HOLE
+ * ext4_seek_hole() retrieves the offset for SEEK_HOLE.
  */
 static loff_t ext4_seek_hole(struct file *file, loff_t offset, loff_t maxsize)
 {
         struct inode *inode = file->f_mapping->host;
-        struct fiemap_extent_info fie;
-        struct fiemap_extent ext[2];
-        loff_t next;
-        int i, ret = 0;
+        struct ext4_map_blocks map;
+        struct extent_status es;
+        ext4_lblk_t start, last, end;
+        loff_t holeoff, isize;
+        int blkbits;
+        int ret = 0;
 
         mutex_lock(&inode->i_mutex);
-        if (offset >= inode->i_size) {
+
+        isize = i_size_read(inode);
+        if (offset >= isize) {
                 mutex_unlock(&inode->i_mutex);
                 return -ENXIO;
         }
 
-        fie.fi_flags = 0;
-        fie.fi_extents_max = 2;
-        fie.fi_extents_start = (struct fiemap_extent __user *)&ext;
-        while (1) {
-                mm_segment_t old_fs = get_fs();
-
-                fie.fi_extents_mapped = 0;
-                memset(ext, 0, sizeof(*ext));
+        blkbits = inode->i_sb->s_blocksize_bits;
+        start = offset >> blkbits;
+        last = start;
+        end = isize >> blkbits;
+        holeoff = offset;
 
-                set_fs(get_ds());
-                ret = ext4_fiemap(inode, &fie, offset, maxsize - offset);
-                set_fs(old_fs);
-                if (ret)
-                        break;
+        do {
+                map.m_lblk = last;
+                map.m_len = end - last + 1;
+                ret = ext4_map_blocks(NULL, inode, &map, 0);
+                if (ret > 0 && !(map.m_flags & EXT4_MAP_UNWRITTEN)) {
+                        last += ret;
+                        holeoff = (loff_t)last << blkbits;
+                        continue;
+                }
 
-                /* No extents found */
-                if (!fie.fi_extents_mapped)
-                        break;
+                /*
+                 * If there is a delay extent at this offset,
+                 * we will skip this extent.
+                 */
+                ext4_es_find_delayed_extent_range(inode, last, last, &es);
+                if (es.es_len != 0 && in_range(last, es.es_lblk, es.es_len)) {
+                        last = es.es_lblk + es.es_len;
+                        holeoff = (loff_t)last << blkbits;
+                        continue;
+                }
 
-                for (i = 0; i < fie.fi_extents_mapped; i++) {
-                        next = (loff_t)(ext[i].fe_logical + ext[i].fe_length);
-                        /*
-                         * If extent is not unwritten, then it contains valid
-                         * data, mapped or delayed.
-                         */
-                        if (!(ext[i].fe_flags & FIEMAP_EXTENT_UNWRITTEN)) {
-                                if (offset < (loff_t)ext[i].fe_logical)
-                                        goto out;
-                                offset = next;
+                /*
+                 * If there is a unwritten extent at this offset,
+                 * it will be as a data or a hole according to page
+                 * cache that has data or not.
+                 */
+                if (map.m_flags & EXT4_MAP_UNWRITTEN) {
+                        int unwritten;
+                        unwritten = ext4_find_unwritten_pgoff(inode, SEEK_HOLE,
+                                                              &map, &holeoff);
+                        if (!unwritten) {
+                                last += ret;
+                                holeoff = (loff_t)last << blkbits;
                                 continue;
                         }
-                        /*
-                         * If there is a unwritten extent at this offset,
-                         * it will be as a data or a hole according to page
-                         * cache that has data or not.
-                         */
-                        if (ext4_find_unwritten_pgoff(inode, SEEK_HOLE,
-                                                      next, &offset))
-                                goto out;
-
-                        offset = next;
-                        if (ext[i].fe_flags & FIEMAP_EXTENT_LAST)
-                                goto out;
                 }
-        }
-        if (offset > inode->i_size)
-                offset = inode->i_size;
-out:
+
+                /* find a hole */
+                break;
+        } while (last <= end);
+
         mutex_unlock(&inode->i_mutex);
-        if (ret)
-                return ret;
 
-        return vfs_setpos(file, offset, maxsize);
+        if (holeoff > isize)
+                holeoff = isize;
+
+        return vfs_setpos(file, holeoff, maxsize);
 }
 
 /*
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index bf76f405a5f9..8a8ec6293b19 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -24,6 +24,18 @@ int ext4_resize_begin(struct super_block *sb)
                 return -EPERM;
 
         /*
+         * If we are not using the primary superblock/GDT copy don't resize,
+         * because the user tools have no way of handling this.  Probably a
+         * bad time to do it anyways.
+         */
+        if (EXT4_SB(sb)->s_sbh->b_blocknr !=
+            le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block)) {
+                ext4_warning(sb, "won't resize using backup superblock at %llu",
+                        (unsigned long long)EXT4_SB(sb)->s_sbh->b_blocknr);
+                return -EPERM;
+        }
+
+        /*
          * We are not allowed to do online-resizing on a filesystem mounted
          * with error, because it can destroy the filesystem easily.
          */
@@ -758,18 +770,6 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
                        "EXT4-fs: ext4_add_new_gdb: adding group block %lu\n",
                        gdb_num);
 
-        /*
-         * If we are not using the primary superblock/GDT copy don't resize,
-         * because the user tools have no way of handling this.  Probably a
-         * bad time to do it anyways.
-         */
-        if (EXT4_SB(sb)->s_sbh->b_blocknr !=
-            le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block)) {
-                ext4_warning(sb, "won't resize using backup superblock at %llu",
-                        (unsigned long long)EXT4_SB(sb)->s_sbh->b_blocknr);
-                return -EPERM;
-        }
-
         gdb_bh = sb_bread(sb, gdblock);
         if (!gdb_bh)
                 return -EIO;
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 43c92b1685cb..74c5f53595fb 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3482,7 +3482,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
         if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
                                        EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) &&
             EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_GDT_CSUM))
-                ext4_warning(sb, KERN_INFO "metadata_csum and uninit_bg are "
+                ext4_warning(sb, "metadata_csum and uninit_bg are "
                              "redundant flags; please run fsck.");
 
         /* Check for a known checksum algorithm */
diff --git a/fs/fcntl.c b/fs/fcntl.c
index 99d440a4a6ba..ee85cd4e136a 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -740,14 +740,15 @@ static int __init fcntl_init(void)
          * 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(20 - 1 /* for O_RDONLY being 0 */ != HWEIGHT32(
+        BUILD_BUG_ON(21 - 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_SYNC        | O_DSYNC       | FASYNC        |
                 O_DIRECT        | O_LARGEFILE   | O_DIRECTORY   |
                 O_NOFOLLOW      | O_NOATIME     | O_CLOEXEC     |
-                __FMODE_EXEC    | O_PATH        | __O_TMPFILE
+                __FMODE_EXEC    | O_PATH        | __O_TMPFILE   |
+                __FMODE_NONOTIFY
                 ));
 
         fasync_cache = kmem_cache_create("fasync_cache",
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index ba1107977f2e..ed19a7d622fa 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -131,6 +131,13 @@ static void fuse_req_init_context(struct fuse_req *req)
         req->in.h.pid = current->pid;
 }
 
+void fuse_set_initialized(struct fuse_conn *fc)
+{
+        /* Make sure stores before this are seen on another CPU */
+        smp_wmb();
+        fc->initialized = 1;
+}
+
 static bool fuse_block_alloc(struct fuse_conn *fc, bool for_background)
 {
         return !fc->initialized || (for_background && fc->blocked);
@@ -155,6 +162,8 @@ static struct fuse_req *__fuse_get_req(struct fuse_conn *fc, unsigned npages,
                 if (intr)
                         goto out;
         }
+        /* Matches smp_wmb() in fuse_set_initialized() */
+        smp_rmb();
 
         err = -ENOTCONN;
         if (!fc->connected)
@@ -253,6 +262,8 @@ struct fuse_req *fuse_get_req_nofail_nopages(struct fuse_conn *fc,
 
         atomic_inc(&fc->num_waiting);
         wait_event(fc->blocked_waitq, fc->initialized);
+        /* Matches smp_wmb() in fuse_set_initialized() */
+        smp_rmb();
         req = fuse_request_alloc(0);
         if (!req)
                 req = get_reserved_req(fc, file);
@@ -511,6 +522,39 @@ void fuse_request_send(struct fuse_conn *fc, struct fuse_req *req)
 }
 EXPORT_SYMBOL_GPL(fuse_request_send);
 
+static void fuse_adjust_compat(struct fuse_conn *fc, struct fuse_args *args)
+{
+        if (fc->minor < 4 && args->in.h.opcode == FUSE_STATFS)
+                args->out.args[0].size = FUSE_COMPAT_STATFS_SIZE;
+
+        if (fc->minor < 9) {
+                switch (args->in.h.opcode) {
+                case FUSE_LOOKUP:
+                case FUSE_CREATE:
+                case FUSE_MKNOD:
+                case FUSE_MKDIR:
+                case FUSE_SYMLINK:
+                case FUSE_LINK:
+                        args->out.args[0].size = FUSE_COMPAT_ENTRY_OUT_SIZE;
+                        break;
+                case FUSE_GETATTR:
+                case FUSE_SETATTR:
+                        args->out.args[0].size = FUSE_COMPAT_ATTR_OUT_SIZE;
+                        break;
+                }
+        }
+        if (fc->minor < 12) {
+                switch (args->in.h.opcode) {
+                case FUSE_CREATE:
+                        args->in.args[0].size = sizeof(struct fuse_open_in);
+                        break;
+                case FUSE_MKNOD:
+                        args->in.args[0].size = FUSE_COMPAT_MKNOD_IN_SIZE;
+                        break;
+                }
+        }
+}
+
 ssize_t fuse_simple_request(struct fuse_conn *fc, struct fuse_args *args)
 {
         struct fuse_req *req;
@@ -520,6 +564,9 @@ ssize_t fuse_simple_request(struct fuse_conn *fc, struct fuse_args *args)
         if (IS_ERR(req))
                 return PTR_ERR(req);
 
+        /* Needs to be done after fuse_get_req() so that fc->minor is valid */
+        fuse_adjust_compat(fc, args);
+
         req->in.h.opcode = args->in.h.opcode;
         req->in.h.nodeid = args->in.h.nodeid;
         req->in.numargs = args->in.numargs;
@@ -2127,7 +2174,7 @@ void fuse_abort_conn(struct fuse_conn *fc)
         if (fc->connected) {
                 fc->connected = 0;
                 fc->blocked = 0;
-                fc->initialized = 1;
+                fuse_set_initialized(fc);
                 end_io_requests(fc);
                 end_queued_requests(fc);
                 end_polls(fc);
@@ -2146,7 +2193,7 @@ int fuse_dev_release(struct inode *inode, struct file *file)
                 spin_lock(&fc->lock);
                 fc->connected = 0;
                 fc->blocked = 0;
-                fc->initialized = 1;
+                fuse_set_initialized(fc);
                 end_queued_requests(fc);
                 end_polls(fc);
                 wake_up_all(&fc->blocked_waitq);
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 252b8a5de8b5..08e7b1a9d5d0 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -156,10 +156,7 @@ static void fuse_lookup_init(struct fuse_conn *fc, struct fuse_args *args,
         args->in.args[0].size = name->len + 1;
         args->in.args[0].value = name->name;
         args->out.numargs = 1;
-        if (fc->minor < 9)
-                args->out.args[0].size = FUSE_COMPAT_ENTRY_OUT_SIZE;
-        else
-                args->out.args[0].size = sizeof(struct fuse_entry_out);
+        args->out.args[0].size = sizeof(struct fuse_entry_out);
         args->out.args[0].value = outarg;
 }
 
@@ -422,16 +419,12 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry,
         args.in.h.opcode = FUSE_CREATE;
         args.in.h.nodeid = get_node_id(dir);
         args.in.numargs = 2;
-        args.in.args[0].size = fc->minor < 12 ? sizeof(struct fuse_open_in) :
-                                                sizeof(inarg);
+        args.in.args[0].size = sizeof(inarg);
         args.in.args[0].value = &inarg;
         args.in.args[1].size = entry->d_name.len + 1;
         args.in.args[1].value = entry->d_name.name;
         args.out.numargs = 2;
-        if (fc->minor < 9)
-                args.out.args[0].size = FUSE_COMPAT_ENTRY_OUT_SIZE;
-        else
-                args.out.args[0].size = sizeof(outentry);
+        args.out.args[0].size = sizeof(outentry);
         args.out.args[0].value = &outentry;
         args.out.args[1].size = sizeof(outopen);
         args.out.args[1].value = &outopen;
@@ -539,10 +532,7 @@ static int create_new_entry(struct fuse_conn *fc, struct fuse_args *args,
         memset(&outarg, 0, sizeof(outarg));
         args->in.h.nodeid = get_node_id(dir);
         args->out.numargs = 1;
-        if (fc->minor < 9)
-                args->out.args[0].size = FUSE_COMPAT_ENTRY_OUT_SIZE;
-        else
-                args->out.args[0].size = sizeof(outarg);
+        args->out.args[0].size = sizeof(outarg);
         args->out.args[0].value = &outarg;
         err = fuse_simple_request(fc, args);
         if (err)
@@ -592,8 +582,7 @@ static int fuse_mknod(struct inode *dir, struct dentry *entry, umode_t mode,
         inarg.umask = current_umask();
         args.in.h.opcode = FUSE_MKNOD;
         args.in.numargs = 2;
-        args.in.args[0].size = fc->minor < 12 ? FUSE_COMPAT_MKNOD_IN_SIZE :
-                                                sizeof(inarg);
+        args.in.args[0].size = sizeof(inarg);
         args.in.args[0].value = &inarg;
         args.in.args[1].size = entry->d_name.len + 1;
         args.in.args[1].value = entry->d_name.name;
@@ -899,10 +888,7 @@ static int fuse_do_getattr(struct inode *inode, struct kstat *stat,
         args.in.args[0].size = sizeof(inarg);
         args.in.args[0].value = &inarg;
         args.out.numargs = 1;
-        if (fc->minor < 9)
-                args.out.args[0].size = FUSE_COMPAT_ATTR_OUT_SIZE;
-        else
-                args.out.args[0].size = sizeof(outarg);
+        args.out.args[0].size = sizeof(outarg);
         args.out.args[0].value = &outarg;
         err = fuse_simple_request(fc, &args);
         if (!err) {
@@ -1574,10 +1560,7 @@ static void fuse_setattr_fill(struct fuse_conn *fc, struct fuse_args *args,
         args->in.args[0].size = sizeof(*inarg_p);
         args->in.args[0].value = inarg_p;
         args->out.numargs = 1;
-        if (fc->minor < 9)
-                args->out.args[0].size = FUSE_COMPAT_ATTR_OUT_SIZE;
-        else
-                args->out.args[0].size = sizeof(*outarg_p);
+        args->out.args[0].size = sizeof(*outarg_p);
         args->out.args[0].value = outarg_p;
 }
 
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index e0fc6725d1d0..1cdfb07c1376 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -906,4 +906,6 @@ int fuse_write_inode(struct inode *inode, struct writeback_control *wbc);
 int fuse_do_setattr(struct inode *inode, struct iattr *attr,
                     struct file *file);
 
+void fuse_set_initialized(struct fuse_conn *fc);
+
 #endif /* _FS_FUSE_I_H */
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 6749109f255d..f38256e4476e 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -424,8 +424,7 @@ static int fuse_statfs(struct dentry *dentry, struct kstatfs *buf)
         args.in.h.opcode = FUSE_STATFS;
         args.in.h.nodeid = get_node_id(dentry->d_inode);
         args.out.numargs = 1;
-        args.out.args[0].size =
-                fc->minor < 4 ? FUSE_COMPAT_STATFS_SIZE : sizeof(outarg);
+        args.out.args[0].size = sizeof(outarg);
         args.out.args[0].value = &outarg;
         err = fuse_simple_request(fc, &args);
         if (!err)
@@ -898,7 +897,7 @@ static void process_init_reply(struct fuse_conn *fc, struct fuse_req *req)
                 fc->max_write = max_t(unsigned, 4096, fc->max_write);
                 fc->conn_init = 1;
         }
-        fc->initialized = 1;
+        fuse_set_initialized(fc);
         wake_up_all(&fc->blocked_waitq);
 }
 
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index c8b148bbdc8b..3e193cb36996 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -667,7 +667,7 @@ static void do_qc(struct gfs2_quota_data *qd, s64 change)
 
 static int gfs2_adjust_quota(struct gfs2_inode *ip, loff_t loc,
                              s64 change, struct gfs2_quota_data *qd,
-                             struct fs_disk_quota *fdq)
+                             struct qc_dqblk *fdq)
 {
         struct inode *inode = &ip->i_inode;
         struct gfs2_sbd *sdp = GFS2_SB(inode);
@@ -697,16 +697,16 @@ static int gfs2_adjust_quota(struct gfs2_inode *ip, loff_t loc,
         be64_add_cpu(&q.qu_value, change);
         qd->qd_qb.qb_value = q.qu_value;
         if (fdq) {
-                if (fdq->d_fieldmask & FS_DQ_BSOFT) {
-                        q.qu_warn = cpu_to_be64(fdq->d_blk_softlimit >> sdp->sd_fsb2bb_shift);
+                if (fdq->d_fieldmask & QC_SPC_SOFT) {
+                        q.qu_warn = cpu_to_be64(fdq->d_spc_softlimit >> sdp->sd_sb.sb_bsize_shift);
                         qd->qd_qb.qb_warn = q.qu_warn;
                 }
-                if (fdq->d_fieldmask & FS_DQ_BHARD) {
-                        q.qu_limit = cpu_to_be64(fdq->d_blk_hardlimit >> sdp->sd_fsb2bb_shift);
+                if (fdq->d_fieldmask & QC_SPC_HARD) {
+                        q.qu_limit = cpu_to_be64(fdq->d_spc_hardlimit >> sdp->sd_sb.sb_bsize_shift);
                         qd->qd_qb.qb_limit = q.qu_limit;
                 }
-                if (fdq->d_fieldmask & FS_DQ_BCOUNT) {
-                        q.qu_value = cpu_to_be64(fdq->d_bcount >> sdp->sd_fsb2bb_shift);
+                if (fdq->d_fieldmask & QC_SPACE) {
+                        q.qu_value = cpu_to_be64(fdq->d_space >> sdp->sd_sb.sb_bsize_shift);
                         qd->qd_qb.qb_value = q.qu_value;
                 }
         }
@@ -1497,7 +1497,7 @@ static int gfs2_quota_get_xstate(struct super_block *sb,
 }
 
 static int gfs2_get_dqblk(struct super_block *sb, struct kqid qid,
-                          struct fs_disk_quota *fdq)
+                          struct qc_dqblk *fdq)
 {
         struct gfs2_sbd *sdp = sb->s_fs_info;
         struct gfs2_quota_lvb *qlvb;
@@ -1505,7 +1505,7 @@ static int gfs2_get_dqblk(struct super_block *sb, struct kqid qid,
         struct gfs2_holder q_gh;
         int error;
 
-        memset(fdq, 0, sizeof(struct fs_disk_quota));
+        memset(fdq, 0, sizeof(*fdq));
 
         if (sdp->sd_args.ar_quota == GFS2_QUOTA_OFF)
                 return -ESRCH; /* Crazy XFS error code */
@@ -1522,12 +1522,9 @@ static int gfs2_get_dqblk(struct super_block *sb, struct kqid qid,
                 goto out;
 
         qlvb = (struct gfs2_quota_lvb *)qd->qd_gl->gl_lksb.sb_lvbptr;
-        fdq->d_version = FS_DQUOT_VERSION;
-        fdq->d_flags = (qid.type == USRQUOTA) ? FS_USER_QUOTA : FS_GROUP_QUOTA;
-        fdq->d_id = from_kqid_munged(current_user_ns(), qid);
-        fdq->d_blk_hardlimit = be64_to_cpu(qlvb->qb_limit) << sdp->sd_fsb2bb_shift;
-        fdq->d_blk_softlimit = be64_to_cpu(qlvb->qb_warn) << sdp->sd_fsb2bb_shift;
-        fdq->d_bcount = be64_to_cpu(qlvb->qb_value) << sdp->sd_fsb2bb_shift;
+        fdq->d_spc_hardlimit = be64_to_cpu(qlvb->qb_limit) << sdp->sd_sb.sb_bsize_shift;
+        fdq->d_spc_softlimit = be64_to_cpu(qlvb->qb_warn) << sdp->sd_sb.sb_bsize_shift;
+        fdq->d_space = be64_to_cpu(qlvb->qb_value) << sdp->sd_sb.sb_bsize_shift;
 
         gfs2_glock_dq_uninit(&q_gh);
 out:
@@ -1536,10 +1533,10 @@ out:
 }
 
 /* GFS2 only supports a subset of the XFS fields */
-#define GFS2_FIELDMASK (FS_DQ_BSOFT|FS_DQ_BHARD|FS_DQ_BCOUNT)
+#define GFS2_FIELDMASK (QC_SPC_SOFT|QC_SPC_HARD|QC_SPACE)
 
 static int gfs2_set_dqblk(struct super_block *sb, struct kqid qid,
-                          struct fs_disk_quota *fdq)
+                          struct qc_dqblk *fdq)
 {
         struct gfs2_sbd *sdp = sb->s_fs_info;
         struct gfs2_inode *ip = GFS2_I(sdp->sd_quota_inode);
@@ -1583,17 +1580,17 @@ static int gfs2_set_dqblk(struct super_block *sb, struct kqid qid,
                 goto out_i;
 
         /* If nothing has changed, this is a no-op */
-        if ((fdq->d_fieldmask & FS_DQ_BSOFT) &&
-            ((fdq->d_blk_softlimit >> sdp->sd_fsb2bb_shift) == be64_to_cpu(qd->qd_qb.qb_warn)))
-                fdq->d_fieldmask ^= FS_DQ_BSOFT;
+        if ((fdq->d_fieldmask & QC_SPC_SOFT) &&
+            ((fdq->d_spc_softlimit >> sdp->sd_sb.sb_bsize_shift) == be64_to_cpu(qd->qd_qb.qb_warn)))
+                fdq->d_fieldmask ^= QC_SPC_SOFT;
 
-        if ((fdq->d_fieldmask & FS_DQ_BHARD) &&
-            ((fdq->d_blk_hardlimit >> sdp->sd_fsb2bb_shift) == be64_to_cpu(qd->qd_qb.qb_limit)))
-                fdq->d_fieldmask ^= FS_DQ_BHARD;
+        if ((fdq->d_fieldmask & QC_SPC_HARD) &&
+            ((fdq->d_spc_hardlimit >> sdp->sd_sb.sb_bsize_shift) == be64_to_cpu(qd->qd_qb.qb_limit)))
+                fdq->d_fieldmask ^= QC_SPC_HARD;
 
-        if ((fdq->d_fieldmask & FS_DQ_BCOUNT) &&
-            ((fdq->d_bcount >> sdp->sd_fsb2bb_shift) == be64_to_cpu(qd->qd_qb.qb_value)))
-                fdq->d_fieldmask ^= FS_DQ_BCOUNT;
+        if ((fdq->d_fieldmask & QC_SPACE) &&
+            ((fdq->d_space >> sdp->sd_sb.sb_bsize_shift) == be64_to_cpu(qd->qd_qb.qb_value)))
+                fdq->d_fieldmask ^= QC_SPACE;
 
         if (fdq->d_fieldmask == 0)
                 goto out_i;
diff --git a/fs/isofs/rock.c b/fs/isofs/rock.c
index bb63254ed848..735d7522a3a9 100644
--- a/fs/isofs/rock.c
+++ b/fs/isofs/rock.c
@@ -362,6 +362,9 @@ repeat:
                         rs.cont_size = isonum_733(rr->u.CE.size);
                         break;
                 case SIG('E', 'R'):
+                        /* Invalid length of ER tag id? */
+                        if (rr->u.ER.len_id + offsetof(struct rock_ridge, u.ER.data) > rr->len)
+                                goto out;
                         ISOFS_SB(inode->i_sb)->s_rock = 1;
                         printk(KERN_DEBUG "ISO 9660 Extensions: ");
                         {
diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c
index 37989f02a226..2d881b381d2b 100644
--- a/fs/kernfs/dir.c
+++ b/fs/kernfs/dir.c
@@ -201,10 +201,14 @@ static unsigned int kernfs_name_hash(const char *name, const void *ns)
 static int kernfs_name_compare(unsigned int hash, const char *name,
                                const void *ns, const struct kernfs_node *kn)
 {
-        if (hash != kn->hash)
-                return hash - kn->hash;
-        if (ns != kn->ns)
-                return ns - kn->ns;
+        if (hash < kn->hash)
+                return -1;
+        if (hash > kn->hash)
+                return 1;
+        if (ns < kn->ns)
+                return -1;
+        if (ns > kn->ns)
+                return 1;
         return strcmp(name, kn->name);
 }
 
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index e94c887da2d7..55505cbe11af 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -138,10 +138,6 @@ lockd(void *vrqstp)
 
         dprintk("NFS locking service started (ver " LOCKD_VERSION ").\n");
 
-        if (!nlm_timeout)
-                nlm_timeout = LOCKD_DFLT_TIMEO;
-        nlmsvc_timeout = nlm_timeout * HZ;
-
         /*
          * The main request loop. We don't terminate until the last
          * NFS mount or NFS daemon has gone away.
@@ -350,6 +346,10 @@ static struct svc_serv *lockd_create_svc(void)
                 printk(KERN_WARNING
                         "lockd_up: no pid, %d users??\n", nlmsvc_users);
 
+        if (!nlm_timeout)
+                nlm_timeout = LOCKD_DFLT_TIMEO;
+        nlmsvc_timeout = nlm_timeout * HZ;
+
         serv = svc_create(&nlmsvc_program, LOCKD_BUFSIZE, svc_rpcb_cleanup);
         if (!serv) {
                 printk(KERN_WARNING "lockd_up: create service failed\n");
diff --git a/fs/locks.c b/fs/locks.c
index 735b8d3fa78c..59e2f905e4ff 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -1702,7 +1702,7 @@ static int generic_delete_lease(struct file *filp)
                         break;
         }
         trace_generic_delete_lease(inode, fl);
-        if (fl)
+        if (fl && IS_LEASE(fl))
                 error = fl->fl_lmops->lm_change(before, F_UNLCK, &dispose);
         spin_unlock(&inode->i_lock);
         locks_dispose_list(&dispose);
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 10bf07280f4a..294692ff83b1 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -212,6 +212,12 @@ static int nfs_direct_cmp_commit_data_verf(struct nfs_direct_req *dreq,
  */
 ssize_t nfs_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter, loff_t pos)
 {
+        struct inode *inode = iocb->ki_filp->f_mapping->host;
+
+        /* we only support swap file calling nfs_direct_IO */
+        if (!IS_SWAPFILE(inode))
+                return 0;
+
 #ifndef CONFIG_NFS_SWAP
         dprintk("NFS: nfs_direct_IO (%pD) off/no(%Ld/%lu) EINVAL\n",
                         iocb->ki_filp, (long long) pos, iter->nr_segs);
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 4bffe637ea32..2211f6ba8736 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -352,8 +352,9 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr, st
 
         nfs_attr_check_mountpoint(sb, fattr);
 
-        if (((fattr->valid & NFS_ATTR_FATTR_FILEID) == 0) &&
-            !nfs_attr_use_mounted_on_fileid(fattr))
+        if (nfs_attr_use_mounted_on_fileid(fattr))
+                fattr->fileid = fattr->mounted_on_fileid;
+        else if ((fattr->valid & NFS_ATTR_FATTR_FILEID) == 0)
                 goto out_no_inode;
         if ((fattr->valid & NFS_ATTR_FATTR_TYPE) == 0)
                 goto out_no_inode;
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index efaa31c70fbe..b6f34bfa6fe8 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -31,8 +31,6 @@ static inline int nfs_attr_use_mounted_on_fileid(struct nfs_fattr *fattr)
             (((fattr->valid & NFS_ATTR_FATTR_MOUNTPOINT) == 0) &&
              ((fattr->valid & NFS_ATTR_FATTR_V4_REFERRAL) == 0)))
                 return 0;
-
-        fattr->fileid = fattr->mounted_on_fileid;
         return 1;
 }
 
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index 03311259b0c4..706ad10b8186 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -228,6 +228,7 @@ static void nfs4_shutdown_client(struct nfs_client *clp)
         kfree(clp->cl_serverowner);
         kfree(clp->cl_serverscope);
         kfree(clp->cl_implid);
+        kfree(clp->cl_owner_id);
 }
 
 void nfs4_free_client(struct nfs_client *clp)
@@ -452,6 +453,14 @@ static void nfs4_swap_callback_idents(struct nfs_client *keep,
         spin_unlock(&nn->nfs_client_lock);
 }
 
+static bool nfs4_match_client_owner_id(const struct nfs_client *clp1,
+                const struct nfs_client *clp2)
+{
+        if (clp1->cl_owner_id == NULL || clp2->cl_owner_id == NULL)
+                return true;
+        return strcmp(clp1->cl_owner_id, clp2->cl_owner_id) == 0;
+}
+
 /**
  * nfs40_walk_client_list - Find server that recognizes a client ID
  *
@@ -483,9 +492,6 @@ int nfs40_walk_client_list(struct nfs_client *new,
                 if (pos->rpc_ops != new->rpc_ops)
                         continue;
 
-                if (pos->cl_proto != new->cl_proto)
-                        continue;
-
                 if (pos->cl_minorversion != new->cl_minorversion)
                         continue;
 
@@ -510,6 +516,9 @@ int nfs40_walk_client_list(struct nfs_client *new,
                 if (pos->cl_clientid != new->cl_clientid)
                         continue;
 
+                if (!nfs4_match_client_owner_id(pos, new))
+                        continue;
+
                 atomic_inc(&pos->cl_count);
                 spin_unlock(&nn->nfs_client_lock);
 
@@ -566,20 +575,14 @@ static bool nfs4_match_clientids(struct nfs_client *a, struct nfs_client *b)
 }
 
 /*
- * Returns true if the server owners match
+ * Returns true if the server major ids match
  */
 static bool
-nfs4_match_serverowners(struct nfs_client *a, struct nfs_client *b)
+nfs4_check_clientid_trunking(struct nfs_client *a, struct nfs_client *b)
 {
         struct nfs41_server_owner *o1 = a->cl_serverowner;
         struct nfs41_server_owner *o2 = b->cl_serverowner;
 
-        if (o1->minor_id != o2->minor_id) {
-                dprintk("NFS: --> %s server owner minor IDs do not match\n",
-                        __func__);
-                return false;
-        }
-
         if (o1->major_id_sz != o2->major_id_sz)
                 goto out_major_mismatch;
         if (memcmp(o1->major_id, o2->major_id, o1->major_id_sz) != 0)
@@ -621,9 +624,6 @@ int nfs41_walk_client_list(struct nfs_client *new,
                 if (pos->rpc_ops != new->rpc_ops)
                         continue;
 
-                if (pos->cl_proto != new->cl_proto)
-                        continue;
-
                 if (pos->cl_minorversion != new->cl_minorversion)
                         continue;
 
@@ -639,7 +639,7 @@ int nfs41_walk_client_list(struct nfs_client *new,
                         prev = pos;
 
                         status = nfs_wait_client_init_complete(pos);
-                        if (status == 0) {
+                        if (pos->cl_cons_state == NFS_CS_SESSION_INITING) {
                                 nfs4_schedule_lease_recovery(pos);
                                 status = nfs4_wait_clnt_recover(pos);
                         }
@@ -654,7 +654,19 @@ int nfs41_walk_client_list(struct nfs_client *new,
                 if (!nfs4_match_clientids(pos, new))
                         continue;
 
-                if (!nfs4_match_serverowners(pos, new))
+                /*
+                 * Note that session trunking is just a special subcase of
+                 * client id trunking. In either case, we want to fall back
+                 * to using the existing nfs_client.
+                 */
+                if (!nfs4_check_clientid_trunking(pos, new))
+                        continue;
+
+                /* Unlike NFSv4.0, we know that NFSv4.1 always uses the
+                 * uniform string, however someone might switch the
+                 * uniquifier string on us.
+                 */
+                if (!nfs4_match_client_owner_id(pos, new))
                         continue;
 
                 atomic_inc(&pos->cl_count);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index e7f8d5ff2581..c347705b0161 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1117,8 +1117,6 @@ static int can_open_delegated(struct nfs_delegation *delegation, fmode_t fmode)
                 return 0;
         if ((delegation->type & fmode) != fmode)
                 return 0;
-        if (test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags))
-                return 0;
         if (test_bit(NFS_DELEGATION_RETURNING, &delegation->flags))
                 return 0;
         nfs_mark_delegation_referenced(delegation);
@@ -4917,11 +4915,14 @@ static void nfs4_init_boot_verifier(const struct nfs_client *clp,
 }
 
 static unsigned int
-nfs4_init_nonuniform_client_string(const struct nfs_client *clp,
+nfs4_init_nonuniform_client_string(struct nfs_client *clp,
                                    char *buf, size_t len)
 {
         unsigned int result;
 
+        if (clp->cl_owner_id != NULL)
+                return strlcpy(buf, clp->cl_owner_id, len);
+
         rcu_read_lock();
         result = scnprintf(buf, len, "Linux NFSv4.0 %s/%s %s",
                                 clp->cl_ipaddr,
@@ -4930,24 +4931,32 @@ nfs4_init_nonuniform_client_string(const struct nfs_client *clp,
                                 rpc_peeraddr2str(clp->cl_rpcclient,
                                                         RPC_DISPLAY_PROTO));
         rcu_read_unlock();
+        clp->cl_owner_id = kstrdup(buf, GFP_KERNEL);
         return result;
 }
 
 static unsigned int
-nfs4_init_uniform_client_string(const struct nfs_client *clp,
+nfs4_init_uniform_client_string(struct nfs_client *clp,
                                 char *buf, size_t len)
 {
         const char *nodename = clp->cl_rpcclient->cl_nodename;
+        unsigned int result;
+
+        if (clp->cl_owner_id != NULL)
+                return strlcpy(buf, clp->cl_owner_id, len);
 
         if (nfs4_client_id_uniquifier[0] != '\0')
-                return scnprintf(buf, len, "Linux NFSv%u.%u %s/%s",
+                result = scnprintf(buf, len, "Linux NFSv%u.%u %s/%s",
                                 clp->rpc_ops->version,
                                 clp->cl_minorversion,
                                 nfs4_client_id_uniquifier,
                                 nodename);
-        return scnprintf(buf, len, "Linux NFSv%u.%u %s",
+        else
+                result = scnprintf(buf, len, "Linux NFSv%u.%u %s",
                                 clp->rpc_ops->version, clp->cl_minorversion,
                                 nodename);
+        clp->cl_owner_id = kstrdup(buf, GFP_KERNEL);
+        return result;
 }
 
 /*
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 3550a9c87616..c06a1ba80d73 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3897,11 +3897,11 @@ nfs4_set_delegation(struct nfs4_client *clp, struct svc_fh *fh,
                 status = nfs4_setlease(dp);
                 goto out;
         }
-        atomic_inc(&fp->fi_delegees);
         if (fp->fi_had_conflict) {
                 status = -EAGAIN;
                 goto out_unlock;
         }
+        atomic_inc(&fp->fi_delegees);
         hash_delegation_locked(dp, fp);
         status = 0;
 out_unlock:
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index c991616acca9..bff8567aa42d 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -259,16 +259,15 @@ static ssize_t fanotify_read(struct file *file, char __user *buf,
         struct fsnotify_event *kevent;
         char __user *start;
         int ret;
-        DEFINE_WAIT(wait);
+        DEFINE_WAIT_FUNC(wait, woken_wake_function);
 
         start = buf;
         group = file->private_data;
 
         pr_debug("%s: group=%p\n", __func__, group);
 
+        add_wait_queue(&group->notification_waitq, &wait);
         while (1) {
-                prepare_to_wait(&group->notification_waitq, &wait, TASK_INTERRUPTIBLE);
-
                 mutex_lock(&group->notification_mutex);
                 kevent = get_one_event(group, count);
                 mutex_unlock(&group->notification_mutex);
@@ -289,7 +288,8 @@ static ssize_t fanotify_read(struct file *file, char __user *buf,
 
                         if (start != buf)
                                 break;
-                        schedule();
+
+                        wait_woken(&wait, TASK_INTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT);
                         continue;
                 }
 
@@ -318,8 +318,8 @@ static ssize_t fanotify_read(struct file *file, char __user *buf,
                 buf += ret;
                 count -= ret;
         }
+        remove_wait_queue(&group->notification_waitq, &wait);
 
-        finish_wait(&group->notification_waitq, &wait);
         if (start != buf && ret != -EFAULT)
                 ret = buf - start;
         return ret;
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index 79b5af5e6a7b..cecd875653e4 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -2023,11 +2023,8 @@ leave:
         dlm_lockres_drop_inflight_ref(dlm, res);
         spin_unlock(&res->spinlock);
 
-        if (ret < 0) {
+        if (ret < 0)
                 mlog_errno(ret);
-                if (newlock)
-                        dlm_lock_put(newlock);
-        }
 
         return ret;
 }
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index b931e04e3388..914c121ec890 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -94,6 +94,14 @@ static int ocfs2_create_symlink_data(struct ocfs2_super *osb,
                                      struct inode *inode,
                                      const char *symname);
 
+static int ocfs2_double_lock(struct ocfs2_super *osb,
+                             struct buffer_head **bh1,
+                             struct inode *inode1,
+                             struct buffer_head **bh2,
+                             struct inode *inode2,
+                             int rename);
+
+static void ocfs2_double_unlock(struct inode *inode1, struct inode *inode2);
 /* An orphan dir name is an 8 byte value, printed as a hex string */
 #define OCFS2_ORPHAN_NAMELEN ((int)(2 * sizeof(u64)))
 
@@ -678,8 +686,10 @@ static int ocfs2_link(struct dentry *old_dentry,
 {
         handle_t *handle;
         struct inode *inode = old_dentry->d_inode;
+        struct inode *old_dir = old_dentry->d_parent->d_inode;
         int err;
         struct buffer_head *fe_bh = NULL;
+        struct buffer_head *old_dir_bh = NULL;
         struct buffer_head *parent_fe_bh = NULL;
         struct ocfs2_dinode *fe = NULL;
         struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);
@@ -696,19 +706,33 @@ static int ocfs2_link(struct dentry *old_dentry,
 
         dquot_initialize(dir);
 
-        err = ocfs2_inode_lock_nested(dir, &parent_fe_bh, 1, OI_LS_PARENT);
+        err = ocfs2_double_lock(osb, &old_dir_bh, old_dir,
+                        &parent_fe_bh, dir, 0);
         if (err < 0) {
                 if (err != -ENOENT)
                         mlog_errno(err);
                 return err;
         }
 
+        /* make sure both dirs have bhs
+         * get an extra ref on old_dir_bh if old==new */
+        if (!parent_fe_bh) {
+                if (old_dir_bh) {
+                        parent_fe_bh = old_dir_bh;
+                        get_bh(parent_fe_bh);
+                } else {
+                        mlog(ML_ERROR, "%s: no old_dir_bh!\n", osb->uuid_str);
+                        err = -EIO;
+                        goto out;
+                }
+        }
+
         if (!dir->i_nlink) {
                 err = -ENOENT;
                 goto out;
         }
 
-        err = ocfs2_lookup_ino_from_name(dir, old_dentry->d_name.name,
+        err = ocfs2_lookup_ino_from_name(old_dir, old_dentry->d_name.name,
                         old_dentry->d_name.len, &old_de_ino);
         if (err) {
                 err = -ENOENT;
@@ -801,10 +825,11 @@ out_unlock_inode:
         ocfs2_inode_unlock(inode, 1);
 
 out:
-        ocfs2_inode_unlock(dir, 1);
+        ocfs2_double_unlock(old_dir, dir);
 
         brelse(fe_bh);
         brelse(parent_fe_bh);
+        brelse(old_dir_bh);
 
         ocfs2_free_dir_lookup_result(&lookup);
 
@@ -1072,14 +1097,15 @@ static int ocfs2_check_if_ancestor(struct ocfs2_super *osb,
 }
 
 /*
- * The only place this should be used is rename!
+ * The only place this should be used is rename and link!
  * if they have the same id, then the 1st one is the only one locked.
  */
 static int ocfs2_double_lock(struct ocfs2_super *osb,
                              struct buffer_head **bh1,
                              struct inode *inode1,
                              struct buffer_head **bh2,
-                             struct inode *inode2)
+                             struct inode *inode2,
+                             int rename)
 {
         int status;
         int inode1_is_ancestor, inode2_is_ancestor;
@@ -1127,7 +1153,7 @@ static int ocfs2_double_lock(struct ocfs2_super *osb,
                 }
                 /* lock id2 */
                 status = ocfs2_inode_lock_nested(inode2, bh2, 1,
-                                                 OI_LS_RENAME1);
+                                rename == 1 ? OI_LS_RENAME1 : OI_LS_PARENT);
                 if (status < 0) {
                         if (status != -ENOENT)
                                 mlog_errno(status);
@@ -1136,7 +1162,8 @@ static int ocfs2_double_lock(struct ocfs2_super *osb,
         }
 
         /* lock id1 */
-        status = ocfs2_inode_lock_nested(inode1, bh1, 1, OI_LS_RENAME2);
+        status = ocfs2_inode_lock_nested(inode1, bh1, 1,
+                        rename == 1 ?  OI_LS_RENAME2 : OI_LS_PARENT);
         if (status < 0) {
                 /*
                  * An error return must mean that no cluster locks
@@ -1252,7 +1279,7 @@ static int ocfs2_rename(struct inode *old_dir,
 
         /* if old and new are the same, this'll just do one lock. */
         status = ocfs2_double_lock(osb, &old_dir_bh, old_dir,
-                                   &new_dir_bh, new_dir);
+                                   &new_dir_bh, new_dir, 1);
         if (status < 0) {
                 mlog_errno(status);
                 goto bail;
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 8f0acef3d184..69df5b239844 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -2396,30 +2396,25 @@ static inline qsize_t stoqb(qsize_t space)
 }
 
 /* Generic routine for getting common part of quota structure */
-static void do_get_dqblk(struct dquot *dquot, struct fs_disk_quota *di)
+static void do_get_dqblk(struct dquot *dquot, struct qc_dqblk *di)
 {
         struct mem_dqblk *dm = &dquot->dq_dqb;
 
         memset(di, 0, sizeof(*di));
-        di->d_version = FS_DQUOT_VERSION;
-        di->d_flags = dquot->dq_id.type == USRQUOTA ?
-                        FS_USER_QUOTA : FS_GROUP_QUOTA;
-        di->d_id = from_kqid_munged(current_user_ns(), dquot->dq_id);
-
         spin_lock(&dq_data_lock);
-        di->d_blk_hardlimit = stoqb(dm->dqb_bhardlimit);
-        di->d_blk_softlimit = stoqb(dm->dqb_bsoftlimit);
+        di->d_spc_hardlimit = dm->dqb_bhardlimit;
+        di->d_spc_softlimit = dm->dqb_bsoftlimit;
         di->d_ino_hardlimit = dm->dqb_ihardlimit;
         di->d_ino_softlimit = dm->dqb_isoftlimit;
-        di->d_bcount = dm->dqb_curspace + dm->dqb_rsvspace;
-        di->d_icount = dm->dqb_curinodes;
-        di->d_btimer = dm->dqb_btime;
-        di->d_itimer = dm->dqb_itime;
+        di->d_space = dm->dqb_curspace + dm->dqb_rsvspace;
+        di->d_ino_count = dm->dqb_curinodes;
+        di->d_spc_timer = dm->dqb_btime;
+        di->d_ino_timer = dm->dqb_itime;
         spin_unlock(&dq_data_lock);
 }
 
 int dquot_get_dqblk(struct super_block *sb, struct kqid qid,
-                    struct fs_disk_quota *di)
+                    struct qc_dqblk *di)
 {
         struct dquot *dquot;
 
@@ -2433,70 +2428,70 @@ int dquot_get_dqblk(struct super_block *sb, struct kqid qid,
 }
 EXPORT_SYMBOL(dquot_get_dqblk);
 
-#define VFS_FS_DQ_MASK \
-        (FS_DQ_BCOUNT | FS_DQ_BSOFT | FS_DQ_BHARD | \
-         FS_DQ_ICOUNT | FS_DQ_ISOFT | FS_DQ_IHARD | \
-         FS_DQ_BTIMER | FS_DQ_ITIMER)
+#define VFS_QC_MASK \
+        (QC_SPACE | QC_SPC_SOFT | QC_SPC_HARD | \
+         QC_INO_COUNT | QC_INO_SOFT | QC_INO_HARD | \
+         QC_SPC_TIMER | QC_INO_TIMER)
 
 /* Generic routine for setting common part of quota structure */
-static int do_set_dqblk(struct dquot *dquot, struct fs_disk_quota *di)
+static int do_set_dqblk(struct dquot *dquot, struct qc_dqblk *di)
 {
         struct mem_dqblk *dm = &dquot->dq_dqb;
         int check_blim = 0, check_ilim = 0;
         struct mem_dqinfo *dqi = &sb_dqopt(dquot->dq_sb)->info[dquot->dq_id.type];
 
-        if (di->d_fieldmask & ~VFS_FS_DQ_MASK)
+        if (di->d_fieldmask & ~VFS_QC_MASK)
                 return -EINVAL;
 
-        if (((di->d_fieldmask & FS_DQ_BSOFT) &&
-             (di->d_blk_softlimit > dqi->dqi_maxblimit)) ||
-            ((di->d_fieldmask & FS_DQ_BHARD) &&
-             (di->d_blk_hardlimit > dqi->dqi_maxblimit)) ||
-            ((di->d_fieldmask & FS_DQ_ISOFT) &&
+        if (((di->d_fieldmask & QC_SPC_SOFT) &&
+             stoqb(di->d_spc_softlimit) > dqi->dqi_maxblimit) ||
+            ((di->d_fieldmask & QC_SPC_HARD) &&
+             stoqb(di->d_spc_hardlimit) > dqi->dqi_maxblimit) ||
+            ((di->d_fieldmask & QC_INO_SOFT) &&
              (di->d_ino_softlimit > dqi->dqi_maxilimit)) ||
-            ((di->d_fieldmask & FS_DQ_IHARD) &&
+            ((di->d_fieldmask & QC_INO_HARD) &&
              (di->d_ino_hardlimit > dqi->dqi_maxilimit)))
                 return -ERANGE;
 
         spin_lock(&dq_data_lock);
-        if (di->d_fieldmask & FS_DQ_BCOUNT) {
-                dm->dqb_curspace = di->d_bcount - dm->dqb_rsvspace;
+        if (di->d_fieldmask & QC_SPACE) {
+                dm->dqb_curspace = di->d_space - dm->dqb_rsvspace;
                 check_blim = 1;
                 set_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags);
         }
 
-        if (di->d_fieldmask & FS_DQ_BSOFT)
-                dm->dqb_bsoftlimit = qbtos(di->d_blk_softlimit);
-        if (di->d_fieldmask & FS_DQ_BHARD)
-                dm->dqb_bhardlimit = qbtos(di->d_blk_hardlimit);
-        if (di->d_fieldmask & (FS_DQ_BSOFT | FS_DQ_BHARD)) {
+        if (di->d_fieldmask & QC_SPC_SOFT)
+                dm->dqb_bsoftlimit = di->d_spc_softlimit;
+        if (di->d_fieldmask & QC_SPC_HARD)
+                dm->dqb_bhardlimit = di->d_spc_hardlimit;
+        if (di->d_fieldmask & (QC_SPC_SOFT | QC_SPC_HARD)) {
                 check_blim = 1;
                 set_bit(DQ_LASTSET_B + QIF_BLIMITS_B, &dquot->dq_flags);
         }
 
-        if (di->d_fieldmask & FS_DQ_ICOUNT) {
-                dm->dqb_curinodes = di->d_icount;
+        if (di->d_fieldmask & QC_INO_COUNT) {
+                dm->dqb_curinodes = di->d_ino_count;
                 check_ilim = 1;
                 set_bit(DQ_LASTSET_B + QIF_INODES_B, &dquot->dq_flags);
         }
 
-        if (di->d_fieldmask & FS_DQ_ISOFT)
+        if (di->d_fieldmask & QC_INO_SOFT)
                 dm->dqb_isoftlimit = di->d_ino_softlimit;
-        if (di->d_fieldmask & FS_DQ_IHARD)
+        if (di->d_fieldmask & QC_INO_HARD)
                 dm->dqb_ihardlimit = di->d_ino_hardlimit;
-        if (di->d_fieldmask & (FS_DQ_ISOFT | FS_DQ_IHARD)) {
+        if (di->d_fieldmask & (QC_INO_SOFT | QC_INO_HARD)) {
                 check_ilim = 1;
                 set_bit(DQ_LASTSET_B + QIF_ILIMITS_B, &dquot->dq_flags);
         }
 
-        if (di->d_fieldmask & FS_DQ_BTIMER) {
-                dm->dqb_btime = di->d_btimer;
+        if (di->d_fieldmask & QC_SPC_TIMER) {
+                dm->dqb_btime = di->d_spc_timer;
                 check_blim = 1;
                 set_bit(DQ_LASTSET_B + QIF_BTIME_B, &dquot->dq_flags);
         }
 
-        if (di->d_fieldmask & FS_DQ_ITIMER) {
-                dm->dqb_itime = di->d_itimer;
+        if (di->d_fieldmask & QC_INO_TIMER) {
+                dm->dqb_itime = di->d_ino_timer;
                 check_ilim = 1;
                 set_bit(DQ_LASTSET_B + QIF_ITIME_B, &dquot->dq_flags);
         }
@@ -2506,7 +2501,7 @@ static int do_set_dqblk(struct dquot *dquot, struct fs_disk_quota *di)
                     dm->dqb_curspace < dm->dqb_bsoftlimit) {
                         dm->dqb_btime = 0;
                         clear_bit(DQ_BLKS_B, &dquot->dq_flags);
-                } else if (!(di->d_fieldmask & FS_DQ_BTIMER))
+                } else if (!(di->d_fieldmask & QC_SPC_TIMER))
                         /* Set grace only if user hasn't provided his own... */
                         dm->dqb_btime = get_seconds() + dqi->dqi_bgrace;
         }
@@ -2515,7 +2510,7 @@ static int do_set_dqblk(struct dquot *dquot, struct fs_disk_quota *di)
                     dm->dqb_curinodes < dm->dqb_isoftlimit) {
                         dm->dqb_itime = 0;
                         clear_bit(DQ_INODES_B, &dquot->dq_flags);
-                } else if (!(di->d_fieldmask & FS_DQ_ITIMER))
+                } else if (!(di->d_fieldmask & QC_INO_TIMER))
                         /* Set grace only if user hasn't provided his own... */
                         dm->dqb_itime = get_seconds() + dqi->dqi_igrace;
         }
@@ -2531,7 +2526,7 @@ static int do_set_dqblk(struct dquot *dquot, struct fs_disk_quota *di)
 }
 
 int dquot_set_dqblk(struct super_block *sb, struct kqid qid,
-                  struct fs_disk_quota *di)
+                  struct qc_dqblk *di)
 {
         struct dquot *dquot;
         int rc;
diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index 2aa4151f99d2..6f3856328eea 100644
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -118,17 +118,27 @@ static int quota_setinfo(struct super_block *sb, int type, void __user *addr)
         return sb->s_qcop->set_info(sb, type, &info);
 }
 
-static void copy_to_if_dqblk(struct if_dqblk *dst, struct fs_disk_quota *src)
+static inline qsize_t qbtos(qsize_t blocks)
+{
+        return blocks << QIF_DQBLKSIZE_BITS;
+}
+
+static inline qsize_t stoqb(qsize_t space)
+{
+        return (space + QIF_DQBLKSIZE - 1) >> QIF_DQBLKSIZE_BITS;
+}
+
+static void copy_to_if_dqblk(struct if_dqblk *dst, struct qc_dqblk *src)
 {
         memset(dst, 0, sizeof(*dst));
-        dst->dqb_bhardlimit = src->d_blk_hardlimit;
-        dst->dqb_bsoftlimit = src->d_blk_softlimit;
-        dst->dqb_curspace = src->d_bcount;
+        dst->dqb_bhardlimit = stoqb(src->d_spc_hardlimit);
+        dst->dqb_bsoftlimit = stoqb(src->d_spc_softlimit);
+        dst->dqb_curspace = src->d_space;
         dst->dqb_ihardlimit = src->d_ino_hardlimit;
         dst->dqb_isoftlimit = src->d_ino_softlimit;
-        dst->dqb_curinodes = src->d_icount;
-        dst->dqb_btime = src->d_btimer;
-        dst->dqb_itime = src->d_itimer;
+        dst->dqb_curinodes = src->d_ino_count;
+        dst->dqb_btime = src->d_spc_timer;
+        dst->dqb_itime = src->d_ino_timer;
         dst->dqb_valid = QIF_ALL;
 }
 
@@ -136,7 +146,7 @@ static int quota_getquota(struct super_block *sb, int type, qid_t id,
                           void __user *addr)
 {
         struct kqid qid;
-        struct fs_disk_quota fdq;
+        struct qc_dqblk fdq;
         struct if_dqblk idq;
         int ret;
 
@@ -154,36 +164,36 @@ static int quota_getquota(struct super_block *sb, int type, qid_t id,
         return 0;
 }
 
-static void copy_from_if_dqblk(struct fs_disk_quota *dst, struct if_dqblk *src)
+static void copy_from_if_dqblk(struct qc_dqblk *dst, struct if_dqblk *src)
 {
-        dst->d_blk_hardlimit = src->dqb_bhardlimit;
-        dst->d_blk_softlimit  = src->dqb_bsoftlimit;
-        dst->d_bcount = src->dqb_curspace;
+        dst->d_spc_hardlimit = qbtos(src->dqb_bhardlimit);
+        dst->d_spc_softlimit = qbtos(src->dqb_bsoftlimit);
+        dst->d_space = src->dqb_curspace;
         dst->d_ino_hardlimit = src->dqb_ihardlimit;
         dst->d_ino_softlimit = src->dqb_isoftlimit;
-        dst->d_icount = src->dqb_curinodes;
-        dst->d_btimer = src->dqb_btime;
-        dst->d_itimer = src->dqb_itime;
+        dst->d_ino_count = src->dqb_curinodes;
+        dst->d_spc_timer = src->dqb_btime;
+        dst->d_ino_timer = src->dqb_itime;
 
         dst->d_fieldmask = 0;
         if (src->dqb_valid & QIF_BLIMITS)
-                dst->d_fieldmask |= FS_DQ_BSOFT | FS_DQ_BHARD;
+                dst->d_fieldmask |= QC_SPC_SOFT | QC_SPC_HARD;
         if (src->dqb_valid & QIF_SPACE)
-                dst->d_fieldmask |= FS_DQ_BCOUNT;
+                dst->d_fieldmask |= QC_SPACE;
         if (src->dqb_valid & QIF_ILIMITS)
-                dst->d_fieldmask |= FS_DQ_ISOFT | FS_DQ_IHARD;
+                dst->d_fieldmask |= QC_INO_SOFT | QC_INO_HARD;
         if (src->dqb_valid & QIF_INODES)
-                dst->d_fieldmask |= FS_DQ_ICOUNT;
+                dst->d_fieldmask |= QC_INO_COUNT;
         if (src->dqb_valid & QIF_BTIME)
-                dst->d_fieldmask |= FS_DQ_BTIMER;
+                dst->d_fieldmask |= QC_SPC_TIMER;
         if (src->dqb_valid & QIF_ITIME)
-                dst->d_fieldmask |= FS_DQ_ITIMER;
+                dst->d_fieldmask |= QC_INO_TIMER;
 }
 
 static int quota_setquota(struct super_block *sb, int type, qid_t id,
                           void __user *addr)
 {
-        struct fs_disk_quota fdq;
+        struct qc_dqblk fdq;
         struct if_dqblk idq;
         struct kqid qid;
 
@@ -247,10 +257,78 @@ static int quota_getxstatev(struct super_block *sb, void __user *addr)
         return ret;
 }
 
+/*
+ * XFS defines BBTOB and BTOBB macros inside fs/xfs/ and we cannot move them
+ * out of there as xfsprogs rely on definitions being in that header file. So
+ * just define same functions here for quota purposes.
+ */
+#define XFS_BB_SHIFT 9
+
+static inline u64 quota_bbtob(u64 blocks)
+{
+        return blocks << XFS_BB_SHIFT;
+}
+
+static inline u64 quota_btobb(u64 bytes)
+{
+        return (bytes + (1 << XFS_BB_SHIFT) - 1) >> XFS_BB_SHIFT;
+}
+
+static void copy_from_xfs_dqblk(struct qc_dqblk *dst, struct fs_disk_quota *src)
+{
+        dst->d_spc_hardlimit = quota_bbtob(src->d_blk_hardlimit);
+        dst->d_spc_softlimit = quota_bbtob(src->d_blk_softlimit);
+        dst->d_ino_hardlimit = src->d_ino_hardlimit;
+        dst->d_ino_softlimit = src->d_ino_softlimit;
+        dst->d_space = quota_bbtob(src->d_bcount);
+        dst->d_ino_count = src->d_icount;
+        dst->d_ino_timer = src->d_itimer;
+        dst->d_spc_timer = src->d_btimer;
+        dst->d_ino_warns = src->d_iwarns;
+        dst->d_spc_warns = src->d_bwarns;
+        dst->d_rt_spc_hardlimit = quota_bbtob(src->d_rtb_hardlimit);
+        dst->d_rt_spc_softlimit = quota_bbtob(src->d_rtb_softlimit);
+        dst->d_rt_space = quota_bbtob(src->d_rtbcount);
+        dst->d_rt_spc_timer = src->d_rtbtimer;
+        dst->d_rt_spc_warns = src->d_rtbwarns;
+        dst->d_fieldmask = 0;
+        if (src->d_fieldmask & FS_DQ_ISOFT)
+                dst->d_fieldmask |= QC_INO_SOFT;
+        if (src->d_fieldmask & FS_DQ_IHARD)
+                dst->d_fieldmask |= QC_INO_HARD;
+        if (src->d_fieldmask & FS_DQ_BSOFT)
+                dst->d_fieldmask |= QC_SPC_SOFT;
+        if (src->d_fieldmask & FS_DQ_BHARD)
+                dst->d_fieldmask |= QC_SPC_HARD;
+        if (src->d_fieldmask & FS_DQ_RTBSOFT)
+                dst->d_fieldmask |= QC_RT_SPC_SOFT;
+        if (src->d_fieldmask & FS_DQ_RTBHARD)
+                dst->d_fieldmask |= QC_RT_SPC_HARD;
+        if (src->d_fieldmask & FS_DQ_BTIMER)
+                dst->d_fieldmask |= QC_SPC_TIMER;
+        if (src->d_fieldmask & FS_DQ_ITIMER)
+                dst->d_fieldmask |= QC_INO_TIMER;
+        if (src->d_fieldmask & FS_DQ_RTBTIMER)
+                dst->d_fieldmask |= QC_RT_SPC_TIMER;
+        if (src->d_fieldmask & FS_DQ_BWARNS)
+                dst->d_fieldmask |= QC_SPC_WARNS;
+        if (src->d_fieldmask & FS_DQ_IWARNS)
+                dst->d_fieldmask |= QC_INO_WARNS;
+        if (src->d_fieldmask & FS_DQ_RTBWARNS)
+                dst->d_fieldmask |= QC_RT_SPC_WARNS;
+        if (src->d_fieldmask & FS_DQ_BCOUNT)
+                dst->d_fieldmask |= QC_SPACE;
+        if (src->d_fieldmask & FS_DQ_ICOUNT)
+                dst->d_fieldmask |= QC_INO_COUNT;
+        if (src->d_fieldmask & FS_DQ_RTBCOUNT)
+                dst->d_fieldmask |= QC_RT_SPACE;
+}
+
 static int quota_setxquota(struct super_block *sb, int type, qid_t id,
                            void __user *addr)
 {
         struct fs_disk_quota fdq;
+        struct qc_dqblk qdq;
         struct kqid qid;
 
         if (copy_from_user(&fdq, addr, sizeof(fdq)))
@@ -260,13 +338,44 @@ static int quota_setxquota(struct super_block *sb, int type, qid_t id,
         qid = make_kqid(current_user_ns(), type, id);
         if (!qid_valid(qid))
                 return -EINVAL;
-        return sb->s_qcop->set_dqblk(sb, qid, &fdq);
+        copy_from_xfs_dqblk(&qdq, &fdq);
+        return sb->s_qcop->set_dqblk(sb, qid, &qdq);
+}
+
+static void copy_to_xfs_dqblk(struct fs_disk_quota *dst, struct qc_dqblk *src,
+                              int type, qid_t id)
+{
+        memset(dst, 0, sizeof(*dst));
+        dst->d_version = FS_DQUOT_VERSION;
+        dst->d_id = id;
+        if (type == USRQUOTA)
+                dst->d_flags = FS_USER_QUOTA;
+        else if (type == PRJQUOTA)
+                dst->d_flags = FS_PROJ_QUOTA;
+        else
+                dst->d_flags = FS_GROUP_QUOTA;
+        dst->d_blk_hardlimit = quota_btobb(src->d_spc_hardlimit);
+        dst->d_blk_softlimit = quota_btobb(src->d_spc_softlimit);
+        dst->d_ino_hardlimit = src->d_ino_hardlimit;
+        dst->d_ino_softlimit = src->d_ino_softlimit;
+        dst->d_bcount = quota_btobb(src->d_space);
+        dst->d_icount = src->d_ino_count;
+        dst->d_itimer = src->d_ino_timer;
+        dst->d_btimer = src->d_spc_timer;
+        dst->d_iwarns = src->d_ino_warns;
+        dst->d_bwarns = src->d_spc_warns;
+        dst->d_rtb_hardlimit = quota_btobb(src->d_rt_spc_hardlimit);
+        dst->d_rtb_softlimit = quota_btobb(src->d_rt_spc_softlimit);
+        dst->d_rtbcount = quota_btobb(src->d_rt_space);
+        dst->d_rtbtimer = src->d_rt_spc_timer;
+        dst->d_rtbwarns = src->d_rt_spc_warns;
 }
 
 static int quota_getxquota(struct super_block *sb, int type, qid_t id,
                            void __user *addr)
 {
         struct fs_disk_quota fdq;
+        struct qc_dqblk qdq;
         struct kqid qid;
         int ret;
 
@@ -275,8 +384,11 @@ static int quota_getxquota(struct super_block *sb, int type, qid_t id,
         qid = make_kqid(current_user_ns(), type, id);
         if (!qid_valid(qid))
                 return -EINVAL;
-        ret = sb->s_qcop->get_dqblk(sb, qid, &fdq);
-        if (!ret && copy_to_user(addr, &fdq, sizeof(fdq)))
+        ret = sb->s_qcop->get_dqblk(sb, qid, &qdq);
+        if (ret)
+                return ret;
+        copy_to_xfs_dqblk(&fdq, &qdq, type, id);
+        if (copy_to_user(addr, &fdq, sizeof(fdq)))
                 return -EFAULT;
         return ret;
 }
diff --git a/fs/udf/dir.c b/fs/udf/dir.c
index a012c51caffd..05e90edd1992 100644
--- a/fs/udf/dir.c
+++ b/fs/udf/dir.c
@@ -57,6 +57,7 @@ static int udf_readdir(struct file *file, struct dir_context *ctx)
         sector_t offset;
         int i, num, ret = 0;
         struct extent_position epos = { NULL, 0, {0, 0} };
+        struct super_block *sb = dir->i_sb;
 
         if (ctx->pos == 0) {
                 if (!dir_emit_dot(file, ctx))
@@ -76,16 +77,16 @@ static int udf_readdir(struct file *file, struct dir_context *ctx)
         if (nf_pos == 0)
                 nf_pos = udf_ext0_offset(dir);
 
-        fibh.soffset = fibh.eoffset = nf_pos & (dir->i_sb->s_blocksize - 1);
+        fibh.soffset = fibh.eoffset = nf_pos & (sb->s_blocksize - 1);
         if (iinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB) {
-                if (inode_bmap(dir, nf_pos >> dir->i_sb->s_blocksize_bits,
+                if (inode_bmap(dir, nf_pos >> sb->s_blocksize_bits,
                     &epos, &eloc, &elen, &offset)
                     != (EXT_RECORDED_ALLOCATED >> 30)) {
                         ret = -ENOENT;
                         goto out;
                 }
-                block = udf_get_lb_pblock(dir->i_sb, &eloc, offset);
-                if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
+                block = udf_get_lb_pblock(sb, &eloc, offset);
+                if ((++offset << sb->s_blocksize_bits) < elen) {
                         if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
                                 epos.offset -= sizeof(struct short_ad);
                         else if (iinfo->i_alloc_type ==
@@ -95,18 +96,18 @@ static int udf_readdir(struct file *file, struct dir_context *ctx)
                         offset = 0;
                 }
 
-                if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block))) {
+                if (!(fibh.sbh = fibh.ebh = udf_tread(sb, block))) {
                         ret = -EIO;
                         goto out;
                 }
 
-                if (!(offset & ((16 >> (dir->i_sb->s_blocksize_bits - 9)) - 1))) {
-                        i = 16 >> (dir->i_sb->s_blocksize_bits - 9);
-                        if (i + offset > (elen >> dir->i_sb->s_blocksize_bits))
-                                i = (elen >> dir->i_sb->s_blocksize_bits) - offset;
+                if (!(offset & ((16 >> (sb->s_blocksize_bits - 9)) - 1))) {
+                        i = 16 >> (sb->s_blocksize_bits - 9);
+                        if (i + offset > (elen >> sb->s_blocksize_bits))
+                                i = (elen >> sb->s_blocksize_bits) - offset;
                         for (num = 0; i > 0; i--) {
-                                block = udf_get_lb_pblock(dir->i_sb, &eloc, offset + i);
-                                tmp = udf_tgetblk(dir->i_sb, block);
+                                block = udf_get_lb_pblock(sb, &eloc, offset + i);
+                                tmp = udf_tgetblk(sb, block);
                                 if (tmp && !buffer_uptodate(tmp) && !buffer_locked(tmp))
                                         bha[num++] = tmp;
                                 else
@@ -152,12 +153,12 @@ static int udf_readdir(struct file *file, struct dir_context *ctx)
                 }
 
                 if ((cfi.fileCharacteristics & FID_FILE_CHAR_DELETED) != 0) {
-                        if (!UDF_QUERY_FLAG(dir->i_sb, UDF_FLAG_UNDELETE))
+                        if (!UDF_QUERY_FLAG(sb, UDF_FLAG_UNDELETE))
                                 continue;
                 }
 
                 if ((cfi.fileCharacteristics & FID_FILE_CHAR_HIDDEN) != 0) {
-                        if (!UDF_QUERY_FLAG(dir->i_sb, UDF_FLAG_UNHIDE))
+                        if (!UDF_QUERY_FLAG(sb, UDF_FLAG_UNHIDE))
                                 continue;
                 }
 
@@ -167,12 +168,12 @@ static int udf_readdir(struct file *file, struct dir_context *ctx)
                         continue;
                 }
 
-                flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi);
+                flen = udf_get_filename(sb, nameptr, lfi, fname, UDF_NAME_LEN);
                 if (!flen)
                         continue;
 
                 tloc = lelb_to_cpu(cfi.icb.extLocation);
-                iblock = udf_get_lb_pblock(dir->i_sb, &tloc, 0);
+                iblock = udf_get_lb_pblock(sb, &tloc, 0);
                 if (!dir_emit(ctx, fname, flen, iblock, DT_UNKNOWN))
                         goto out;
         } /* end while */
diff --git a/fs/udf/file.c b/fs/udf/file.c
index bb15771b92ae..08f3555fbeac 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -224,7 +224,7 @@ out:
 static int udf_release_file(struct inode *inode, struct file *filp)
 {
         if (filp->f_mode & FMODE_WRITE &&
-            atomic_read(&inode->i_writecount) > 1) {
+            atomic_read(&inode->i_writecount) == 1) {
                 /*
                  * Grab i_mutex to avoid races with writes changing i_size
                  * while we are running.
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index c9b4df5810d5..5bc71d9a674a 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -1489,6 +1489,20 @@ reread:
         }
         inode->i_generation = iinfo->i_unique;
 
+        /* Sanity checks for files in ICB so that we don't get confused later */
+        if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) {
+                /*
+                 * For file in ICB data is stored in allocation descriptor
+                 * so sizes should match
+                 */
+                if (iinfo->i_lenAlloc != inode->i_size)
+                        goto out;
+                /* File in ICB has to fit in there... */
+                if (inode->i_size > inode->i_sb->s_blocksize -
+                                        udf_file_entry_alloc_offset(inode))
+                        goto out;
+        }
+
         switch (fe->icbTag.fileType) {
         case ICBTAG_FILE_TYPE_DIRECTORY:
                 inode->i_op = &udf_dir_inode_operations;
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index c12e260fd6c4..33b246b82c98 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -159,18 +159,19 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir,
         struct udf_inode_info *dinfo = UDF_I(dir);
         int isdotdot = child->len == 2 &&
                 child->name[0] == '.' && child->name[1] == '.';
+        struct super_block *sb = dir->i_sb;
 
         size = udf_ext0_offset(dir) + dir->i_size;
         f_pos = udf_ext0_offset(dir);
 
         fibh->sbh = fibh->ebh = NULL;
-        fibh->soffset = fibh->eoffset = f_pos & (dir->i_sb->s_blocksize - 1);
+        fibh->soffset = fibh->eoffset = f_pos & (sb->s_blocksize - 1);
         if (dinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB) {
-                if (inode_bmap(dir, f_pos >> dir->i_sb->s_blocksize_bits, &epos,
+                if (inode_bmap(dir, f_pos >> sb->s_blocksize_bits, &epos,
                     &eloc, &elen, &offset) != (EXT_RECORDED_ALLOCATED >> 30))
                         goto out_err;
-                block = udf_get_lb_pblock(dir->i_sb, &eloc, offset);
-                if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
+                block = udf_get_lb_pblock(sb, &eloc, offset);
+                if ((++offset << sb->s_blocksize_bits) < elen) {
                         if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
                                 epos.offset -= sizeof(struct short_ad);
                         else if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG)
@@ -178,7 +179,7 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir,
                 } else
                         offset = 0;
 
-                fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block);
+                fibh->sbh = fibh->ebh = udf_tread(sb, block);
                 if (!fibh->sbh)
                         goto out_err;
         }
@@ -217,12 +218,12 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir,
                 }
 
                 if ((cfi->fileCharacteristics & FID_FILE_CHAR_DELETED) != 0) {
-                        if (!UDF_QUERY_FLAG(dir->i_sb, UDF_FLAG_UNDELETE))
+                        if (!UDF_QUERY_FLAG(sb, UDF_FLAG_UNDELETE))
                                 continue;
                 }
 
                 if ((cfi->fileCharacteristics & FID_FILE_CHAR_HIDDEN) != 0) {
-                        if (!UDF_QUERY_FLAG(dir->i_sb, UDF_FLAG_UNHIDE))
+                        if (!UDF_QUERY_FLAG(sb, UDF_FLAG_UNHIDE))
                                 continue;
                 }
 
@@ -233,7 +234,7 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir,
                 if (!lfi)
                         continue;
 
-                flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi);
+                flen = udf_get_filename(sb, nameptr, lfi, fname, UDF_NAME_LEN);
                 if (flen && udf_match(flen, fname, child->len, child->name))
                         goto out_ok;
         }
diff --git a/fs/udf/symlink.c b/fs/udf/symlink.c
index 6fb7945c1e6e..ac10ca939f26 100644
--- a/fs/udf/symlink.c
+++ b/fs/udf/symlink.c
@@ -30,49 +30,73 @@
 #include <linux/buffer_head.h>
 #include "udf_i.h"
 
-static void udf_pc_to_char(struct super_block *sb, unsigned char *from,
-                           int fromlen, unsigned char *to)
+static int udf_pc_to_char(struct super_block *sb, unsigned char *from,
+                          int fromlen, unsigned char *to, int tolen)
 {
         struct pathComponent *pc;
         int elen = 0;
+        int comp_len;
         unsigned char *p = to;
 
+        /* Reserve one byte for terminating \0 */
+        tolen--;
         while (elen < fromlen) {
                 pc = (struct pathComponent *)(from + elen);
+                elen += sizeof(struct pathComponent);
                 switch (pc->componentType) {
                 case 1:
                         /*
                          * Symlink points to some place which should be agreed
                          * upon between originator and receiver of the media. Ignore.
                          */
-                        if (pc->lengthComponentIdent > 0)
+                        if (pc->lengthComponentIdent > 0) {
+                                elen += pc->lengthComponentIdent;
                                 break;
+                        }
                         /* Fall through */
                 case 2:
+                        if (tolen == 0)
+                                return -ENAMETOOLONG;
                         p = to;
                         *p++ = '/';
+                        tolen--;
                         break;
                 case 3:
+                        if (tolen < 3)
+                                return -ENAMETOOLONG;
                         memcpy(p, "../", 3);
                         p += 3;
+                        tolen -= 3;
                         break;
                 case 4:
+                        if (tolen < 2)
+                                return -ENAMETOOLONG;
                         memcpy(p, "./", 2);
                         p += 2;
+                        tolen -= 2;
                         /* that would be . - just ignore */
                         break;
                 case 5:
-                        p += udf_get_filename(sb, pc->componentIdent, p,
-                                              pc->lengthComponentIdent);
+                        elen += pc->lengthComponentIdent;
+                        if (elen > fromlen)
+                                return -EIO;
+                        comp_len = udf_get_filename(sb, pc->componentIdent,
+                                                    pc->lengthComponentIdent,
+                                                    p, tolen);
+                        p += comp_len;
+                        tolen -= comp_len;
+                        if (tolen == 0)
+                                return -ENAMETOOLONG;
                         *p++ = '/';
+                        tolen--;
                         break;
                 }
-                elen += sizeof(struct pathComponent) + pc->lengthComponentIdent;
         }
         if (p > to + 1)
                 p[-1] = '\0';
         else
                 p[0] = '\0';
+        return 0;
 }
 
 static int udf_symlink_filler(struct file *file, struct page *page)
@@ -80,11 +104,17 @@ static int udf_symlink_filler(struct file *file, struct page *page)
         struct inode *inode = page->mapping->host;
         struct buffer_head *bh = NULL;
         unsigned char *symlink;
-        int err = -EIO;
+        int err;
         unsigned char *p = kmap(page);
         struct udf_inode_info *iinfo;
         uint32_t pos;
 
+        /* We don't support symlinks longer than one block */
+        if (inode->i_size > inode->i_sb->s_blocksize) {
+                err = -ENAMETOOLONG;
+                goto out_unmap;
+        }
+
         iinfo = UDF_I(inode);
         pos = udf_block_map(inode, 0);
 
@@ -94,14 +124,18 @@ static int udf_symlink_filler(struct file *file, struct page *page)
         } else {
                 bh = sb_bread(inode->i_sb, pos);
 
-                if (!bh)
-                        goto out;
+                if (!bh) {
+                        err = -EIO;
+                        goto out_unlock_inode;
+                }
 
                 symlink = bh->b_data;
         }
 
-        udf_pc_to_char(inode->i_sb, symlink, inode->i_size, p);
+        err = udf_pc_to_char(inode->i_sb, symlink, inode->i_size, p, PAGE_SIZE);
         brelse(bh);
+        if (err)
+                goto out_unlock_inode;
 
         up_read(&iinfo->i_data_sem);
         SetPageUptodate(page);
@@ -109,9 +143,10 @@ static int udf_symlink_filler(struct file *file, struct page *page)
         unlock_page(page);
         return 0;
 
-out:
+out_unlock_inode:
         up_read(&iinfo->i_data_sem);
         SetPageError(page);
+out_unmap:
         kunmap(page);
         unlock_page(page);
         return err;
diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
index 1cc3c993ebd0..47bb3f5ca360 100644
--- a/fs/udf/udfdecl.h
+++ b/fs/udf/udfdecl.h
@@ -211,7 +211,8 @@ udf_get_lb_pblock(struct super_block *sb, struct kernel_lb_addr *loc,
 }
 
 /* unicode.c */
-extern int udf_get_filename(struct super_block *, uint8_t *, uint8_t *, int);
+extern int udf_get_filename(struct super_block *, uint8_t *, int, uint8_t *,
+                            int);
 extern int udf_put_filename(struct super_block *, const uint8_t *, uint8_t *,
                             int);
 extern int udf_build_ustr(struct ustr *, dstring *, int);
diff --git a/fs/udf/unicode.c b/fs/udf/unicode.c
index afd470e588ff..b84fee372734 100644
--- a/fs/udf/unicode.c
+++ b/fs/udf/unicode.c
@@ -28,7 +28,8 @@
 
 #include "udf_sb.h"
 
-static int udf_translate_to_linux(uint8_t *, uint8_t *, int, uint8_t *, int);
+static int udf_translate_to_linux(uint8_t *, int, uint8_t *, int, uint8_t *,
+                                  int);
 
 static int udf_char_to_ustr(struct ustr *dest, const uint8_t *src, int strlen)
 {
@@ -333,8 +334,8 @@ try_again:
         return u_len + 1;
 }
 
-int udf_get_filename(struct super_block *sb, uint8_t *sname, uint8_t *dname,
-                     int flen)
+int udf_get_filename(struct super_block *sb, uint8_t *sname, int slen,
+                     uint8_t *dname, int dlen)
 {
         struct ustr *filename, *unifilename;
         int len = 0;
@@ -347,7 +348,7 @@ int udf_get_filename(struct super_block *sb, uint8_t *sname, uint8_t *dname,
         if (!unifilename)
                 goto out1;
 
-        if (udf_build_ustr_exact(unifilename, sname, flen))
+        if (udf_build_ustr_exact(unifilename, sname, slen))
                 goto out2;
 
         if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) {
@@ -366,7 +367,8 @@ int udf_get_filename(struct super_block *sb, uint8_t *sname, uint8_t *dname,
         } else
                 goto out2;
 
-        len = udf_translate_to_linux(dname, filename->u_name, filename->u_len,
+        len = udf_translate_to_linux(dname, dlen,
+                                     filename->u_name, filename->u_len,
                                      unifilename->u_name, unifilename->u_len);
 out2:
         kfree(unifilename);
@@ -403,10 +405,12 @@ int udf_put_filename(struct super_block *sb, const uint8_t *sname,
 #define EXT_MARK                '.'
 #define CRC_MARK                '#'
 #define EXT_SIZE                5
+/* Number of chars we need to store generated CRC to make filename unique */
+#define CRC_LEN                 5
 
-static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName,
-                                  int udfLen, uint8_t *fidName,
-                                  int fidNameLen)
+static int udf_translate_to_linux(uint8_t *newName, int newLen,
+                                  uint8_t *udfName, int udfLen,
+                                  uint8_t *fidName, int fidNameLen)
 {
         int index, newIndex = 0, needsCRC = 0;
         int extIndex = 0, newExtIndex = 0, hasExt = 0;
@@ -439,7 +443,7 @@ static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName,
                                         newExtIndex = newIndex;
                                 }
                         }
-                        if (newIndex < 256)
+                        if (newIndex < newLen)
                                 newName[newIndex++] = curr;
                         else
                                 needsCRC = 1;
@@ -467,13 +471,13 @@ static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName,
                                 }
                                 ext[localExtIndex++] = curr;
                         }
-                        maxFilenameLen = 250 - localExtIndex;
+                        maxFilenameLen = newLen - CRC_LEN - localExtIndex;
                         if (newIndex > maxFilenameLen)
                                 newIndex = maxFilenameLen;
                         else
                                 newIndex = newExtIndex;
-                } else if (newIndex > 250)
-                        newIndex = 250;
+                } else if (newIndex > newLen - CRC_LEN)
+                        newIndex = newLen - CRC_LEN;
                 newName[newIndex++] = CRC_MARK;
                 valueCRC = crc_itu_t(0, fidName, fidNameLen);
                 newName[newIndex++] = hex_asc_upper_hi(valueCRC >> 8);
diff --git a/fs/xfs/xfs_qm.h b/fs/xfs/xfs_qm.h
index 3a07a937e232..41f6c0b9d51c 100644
--- a/fs/xfs/xfs_qm.h
+++ b/fs/xfs/xfs_qm.h
@@ -166,9 +166,9 @@ extern void		xfs_qm_dqrele_all_inodes(struct xfs_mount *, uint);
 /* quota ops */
 extern int              xfs_qm_scall_trunc_qfiles(struct xfs_mount *, uint);
 extern int              xfs_qm_scall_getquota(struct xfs_mount *, xfs_dqid_t,
-                                        uint, struct fs_disk_quota *);
+                                        uint, struct qc_dqblk *);
 extern int              xfs_qm_scall_setqlim(struct xfs_mount *, xfs_dqid_t, uint,
-                                        struct fs_disk_quota *);
+                                        struct qc_dqblk *);
 extern int              xfs_qm_scall_getqstat(struct xfs_mount *,
                                         struct fs_quota_stat *);
 extern int              xfs_qm_scall_getqstatv(struct xfs_mount *,
diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c
index 74fca68e43b6..cb6168ec92c9 100644
--- a/fs/xfs/xfs_qm_syscalls.c
+++ b/fs/xfs/xfs_qm_syscalls.c
@@ -39,7 +39,6 @@ STATIC int	xfs_qm_log_quotaoff(xfs_mount_t *, xfs_qoff_logitem_t **, uint);
 STATIC int      xfs_qm_log_quotaoff_end(xfs_mount_t *, xfs_qoff_logitem_t *,
                                         uint);
 STATIC uint     xfs_qm_export_flags(uint);
-STATIC uint     xfs_qm_export_qtype_flags(uint);
 
 /*
  * Turn off quota accounting and/or enforcement for all udquots and/or
@@ -573,8 +572,8 @@ xfs_qm_scall_getqstatv(
         return 0;
 }
 
-#define XFS_DQ_MASK \
-        (FS_DQ_LIMIT_MASK | FS_DQ_TIMER_MASK | FS_DQ_WARNS_MASK)
+#define XFS_QC_MASK \
+        (QC_LIMIT_MASK | QC_TIMER_MASK | QC_WARNS_MASK)
 
 /*
  * Adjust quota limits, and start/stop timers accordingly.
@@ -584,7 +583,7 @@ xfs_qm_scall_setqlim(
         struct xfs_mount        *mp,
         xfs_dqid_t              id,
         uint                    type,
-        fs_disk_quota_t         *newlim)
+        struct qc_dqblk         *newlim)
 {
         struct xfs_quotainfo    *q = mp->m_quotainfo;
         struct xfs_disk_dquot   *ddq;
@@ -593,9 +592,9 @@ xfs_qm_scall_setqlim(
         int                     error;
         xfs_qcnt_t              hard, soft;
 
-        if (newlim->d_fieldmask & ~XFS_DQ_MASK)
+        if (newlim->d_fieldmask & ~XFS_QC_MASK)
                 return -EINVAL;
-        if ((newlim->d_fieldmask & XFS_DQ_MASK) == 0)
+        if ((newlim->d_fieldmask & XFS_QC_MASK) == 0)
                 return 0;
 
         /*
@@ -633,11 +632,11 @@ xfs_qm_scall_setqlim(
         /*
          * Make sure that hardlimits are >= soft limits before changing.
          */
-        hard = (newlim->d_fieldmask & FS_DQ_BHARD) ?
-                (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_hardlimit) :
+        hard = (newlim->d_fieldmask & QC_SPC_HARD) ?
+                (xfs_qcnt_t) XFS_B_TO_FSB(mp, newlim->d_spc_hardlimit) :
                         be64_to_cpu(ddq->d_blk_hardlimit);
-        soft = (newlim->d_fieldmask & FS_DQ_BSOFT) ?
-                (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_softlimit) :
+        soft = (newlim->d_fieldmask & QC_SPC_SOFT) ?
+                (xfs_qcnt_t) XFS_B_TO_FSB(mp, newlim->d_spc_softlimit) :
                         be64_to_cpu(ddq->d_blk_softlimit);
         if (hard == 0 || hard >= soft) {
                 ddq->d_blk_hardlimit = cpu_to_be64(hard);
@@ -650,11 +649,11 @@ xfs_qm_scall_setqlim(
         } else {
                 xfs_debug(mp, "blkhard %Ld < blksoft %Ld", hard, soft);
         }
-        hard = (newlim->d_fieldmask & FS_DQ_RTBHARD) ?
-                (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_hardlimit) :
+        hard = (newlim->d_fieldmask & QC_RT_SPC_HARD) ?
+                (xfs_qcnt_t) XFS_B_TO_FSB(mp, newlim->d_rt_spc_hardlimit) :
                         be64_to_cpu(ddq->d_rtb_hardlimit);
-        soft = (newlim->d_fieldmask & FS_DQ_RTBSOFT) ?
-                (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_softlimit) :
+        soft = (newlim->d_fieldmask & QC_RT_SPC_SOFT) ?
+                (xfs_qcnt_t) XFS_B_TO_FSB(mp, newlim->d_rt_spc_softlimit) :
                         be64_to_cpu(ddq->d_rtb_softlimit);
         if (hard == 0 || hard >= soft) {
                 ddq->d_rtb_hardlimit = cpu_to_be64(hard);
@@ -667,10 +666,10 @@ xfs_qm_scall_setqlim(
                 xfs_debug(mp, "rtbhard %Ld < rtbsoft %Ld", hard, soft);
         }
 
-        hard = (newlim->d_fieldmask & FS_DQ_IHARD) ?
+        hard = (newlim->d_fieldmask & QC_INO_HARD) ?
                 (xfs_qcnt_t) newlim->d_ino_hardlimit :
                         be64_to_cpu(ddq->d_ino_hardlimit);
-        soft = (newlim->d_fieldmask & FS_DQ_ISOFT) ?
+        soft = (newlim->d_fieldmask & QC_INO_SOFT) ?
                 (xfs_qcnt_t) newlim->d_ino_softlimit :
                         be64_to_cpu(ddq->d_ino_softlimit);
         if (hard == 0 || hard >= soft) {
@@ -687,12 +686,12 @@ xfs_qm_scall_setqlim(
         /*
          * Update warnings counter(s) if requested
          */
-        if (newlim->d_fieldmask & FS_DQ_BWARNS)
-                ddq->d_bwarns = cpu_to_be16(newlim->d_bwarns);
-        if (newlim->d_fieldmask & FS_DQ_IWARNS)
-                ddq->d_iwarns = cpu_to_be16(newlim->d_iwarns);
-        if (newlim->d_fieldmask & FS_DQ_RTBWARNS)
-                ddq->d_rtbwarns = cpu_to_be16(newlim->d_rtbwarns);
+        if (newlim->d_fieldmask & QC_SPC_WARNS)
+                ddq->d_bwarns = cpu_to_be16(newlim->d_spc_warns);
+        if (newlim->d_fieldmask & QC_INO_WARNS)
+                ddq->d_iwarns = cpu_to_be16(newlim->d_ino_warns);
+        if (newlim->d_fieldmask & QC_RT_SPC_WARNS)
+                ddq->d_rtbwarns = cpu_to_be16(newlim->d_rt_spc_warns);
 
         if (id == 0) {
                 /*
@@ -702,24 +701,24 @@ xfs_qm_scall_setqlim(
                  * soft and hard limit values (already done, above), and
                  * for warnings.
                  */
-                if (newlim->d_fieldmask & FS_DQ_BTIMER) {
-                        q->qi_btimelimit = newlim->d_btimer;
-                        ddq->d_btimer = cpu_to_be32(newlim->d_btimer);
+                if (newlim->d_fieldmask & QC_SPC_TIMER) {
+                        q->qi_btimelimit = newlim->d_spc_timer;
+                        ddq->d_btimer = cpu_to_be32(newlim->d_spc_timer);
                 }
-                if (newlim->d_fieldmask & FS_DQ_ITIMER) {
-                        q->qi_itimelimit = newlim->d_itimer;
-                        ddq->d_itimer = cpu_to_be32(newlim->d_itimer);
+                if (newlim->d_fieldmask & QC_INO_TIMER) {
+                        q->qi_itimelimit = newlim->d_ino_timer;
+                        ddq->d_itimer = cpu_to_be32(newlim->d_ino_timer);
                 }
-                if (newlim->d_fieldmask & FS_DQ_RTBTIMER) {
-                        q->qi_rtbtimelimit = newlim->d_rtbtimer;
-                        ddq->d_rtbtimer = cpu_to_be32(newlim->d_rtbtimer);
+                if (newlim->d_fieldmask & QC_RT_SPC_TIMER) {
+                        q->qi_rtbtimelimit = newlim->d_rt_spc_timer;
+                        ddq->d_rtbtimer = cpu_to_be32(newlim->d_rt_spc_timer);
                 }
-                if (newlim->d_fieldmask & FS_DQ_BWARNS)
-                        q->qi_bwarnlimit = newlim->d_bwarns;
-                if (newlim->d_fieldmask & FS_DQ_IWARNS)
-                        q->qi_iwarnlimit = newlim->d_iwarns;
-                if (newlim->d_fieldmask & FS_DQ_RTBWARNS)
-                        q->qi_rtbwarnlimit = newlim->d_rtbwarns;
+                if (newlim->d_fieldmask & QC_SPC_WARNS)
+                        q->qi_bwarnlimit = newlim->d_spc_warns;
+                if (newlim->d_fieldmask & QC_INO_WARNS)
+                        q->qi_iwarnlimit = newlim->d_ino_warns;
+                if (newlim->d_fieldmask & QC_RT_SPC_WARNS)
+                        q->qi_rtbwarnlimit = newlim->d_rt_spc_warns;
         } else {
                 /*
                  * If the user is now over quota, start the timelimit.
@@ -824,7 +823,7 @@ xfs_qm_scall_getquota(
         struct xfs_mount        *mp,
         xfs_dqid_t              id,
         uint                    type,
-        struct fs_disk_quota    *dst)
+        struct qc_dqblk         *dst)
 {
         struct xfs_dquot        *dqp;
         int                     error;
@@ -848,28 +847,25 @@ xfs_qm_scall_getquota(
         }
 
         memset(dst, 0, sizeof(*dst));
-        dst->d_version = FS_DQUOT_VERSION;
-        dst->d_flags = xfs_qm_export_qtype_flags(dqp->q_core.d_flags);
-        dst->d_id = be32_to_cpu(dqp->q_core.d_id);
-        dst->d_blk_hardlimit =
-                XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_blk_hardlimit));
-        dst->d_blk_softlimit =
-                XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_blk_softlimit));
+        dst->d_spc_hardlimit =
+                XFS_FSB_TO_B(mp, be64_to_cpu(dqp->q_core.d_blk_hardlimit));
+        dst->d_spc_softlimit =
+                XFS_FSB_TO_B(mp, be64_to_cpu(dqp->q_core.d_blk_softlimit));
         dst->d_ino_hardlimit = be64_to_cpu(dqp->q_core.d_ino_hardlimit);
         dst->d_ino_softlimit = be64_to_cpu(dqp->q_core.d_ino_softlimit);
-        dst->d_bcount = XFS_FSB_TO_BB(mp, dqp->q_res_bcount);
-        dst->d_icount = dqp->q_res_icount;
-        dst->d_btimer = be32_to_cpu(dqp->q_core.d_btimer);
-        dst->d_itimer = be32_to_cpu(dqp->q_core.d_itimer);
-        dst->d_iwarns = be16_to_cpu(dqp->q_core.d_iwarns);
-        dst->d_bwarns = be16_to_cpu(dqp->q_core.d_bwarns);
-        dst->d_rtb_hardlimit =
-                XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_rtb_hardlimit));
-        dst->d_rtb_softlimit =
-                XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_rtb_softlimit));
-        dst->d_rtbcount = XFS_FSB_TO_BB(mp, dqp->q_res_rtbcount);
-        dst->d_rtbtimer = be32_to_cpu(dqp->q_core.d_rtbtimer);
-        dst->d_rtbwarns = be16_to_cpu(dqp->q_core.d_rtbwarns);
+        dst->d_space = XFS_FSB_TO_B(mp, dqp->q_res_bcount);
+        dst->d_ino_count = dqp->q_res_icount;
+        dst->d_spc_timer = be32_to_cpu(dqp->q_core.d_btimer);
+        dst->d_ino_timer = be32_to_cpu(dqp->q_core.d_itimer);
+        dst->d_ino_warns = be16_to_cpu(dqp->q_core.d_iwarns);
+        dst->d_spc_warns = be16_to_cpu(dqp->q_core.d_bwarns);
+        dst->d_rt_spc_hardlimit =
+                XFS_FSB_TO_B(mp, be64_to_cpu(dqp->q_core.d_rtb_hardlimit));
+        dst->d_rt_spc_softlimit =
+                XFS_FSB_TO_B(mp, be64_to_cpu(dqp->q_core.d_rtb_softlimit));
+        dst->d_rt_space = XFS_FSB_TO_B(mp, dqp->q_res_rtbcount);
+        dst->d_rt_spc_timer = be32_to_cpu(dqp->q_core.d_rtbtimer);
+        dst->d_rt_spc_warns = be16_to_cpu(dqp->q_core.d_rtbwarns);
 
         /*
          * Internally, we don't reset all the timers when quota enforcement
@@ -882,23 +878,23 @@ xfs_qm_scall_getquota(
              dqp->q_core.d_flags == XFS_DQ_GROUP) ||
             (!XFS_IS_PQUOTA_ENFORCED(mp) &&
              dqp->q_core.d_flags == XFS_DQ_PROJ)) {
-                dst->d_btimer = 0;
-                dst->d_itimer = 0;
-                dst->d_rtbtimer = 0;
+                dst->d_spc_timer = 0;
+                dst->d_ino_timer = 0;
+                dst->d_rt_spc_timer = 0;
         }
 
 #ifdef DEBUG
-        if (((XFS_IS_UQUOTA_ENFORCED(mp) && dst->d_flags == FS_USER_QUOTA) ||
-             (XFS_IS_GQUOTA_ENFORCED(mp) && dst->d_flags == FS_GROUP_QUOTA) ||
-             (XFS_IS_PQUOTA_ENFORCED(mp) && dst->d_flags == FS_PROJ_QUOTA)) &&
-            dst->d_id != 0) {
-                if ((dst->d_bcount > dst->d_blk_softlimit) &&
-                    (dst->d_blk_softlimit > 0)) {
-                        ASSERT(dst->d_btimer != 0);
+        if (((XFS_IS_UQUOTA_ENFORCED(mp) && type == XFS_DQ_USER) ||
+             (XFS_IS_GQUOTA_ENFORCED(mp) && type == XFS_DQ_GROUP) ||
+             (XFS_IS_PQUOTA_ENFORCED(mp) && type == XFS_DQ_PROJ)) &&
+            id != 0) {
+                if ((dst->d_space > dst->d_spc_softlimit) &&
+                    (dst->d_spc_softlimit > 0)) {
+                        ASSERT(dst->d_spc_timer != 0);
                 }
-                if ((dst->d_icount > dst->d_ino_softlimit) &&
+                if ((dst->d_ino_count > dst->d_ino_softlimit) &&
                     (dst->d_ino_softlimit > 0)) {
-                        ASSERT(dst->d_itimer != 0);
+                        ASSERT(dst->d_ino_timer != 0);
                 }
         }
 #endif
@@ -908,26 +904,6 @@ out_put:
 }
 
 STATIC uint
-xfs_qm_export_qtype_flags(
-        uint flags)
-{
-        /*
-         * Can't be more than one, or none.
-         */
-        ASSERT((flags & (FS_PROJ_QUOTA | FS_USER_QUOTA)) !=
-                (FS_PROJ_QUOTA | FS_USER_QUOTA));
-        ASSERT((flags & (FS_PROJ_QUOTA | FS_GROUP_QUOTA)) !=
-                (FS_PROJ_QUOTA | FS_GROUP_QUOTA));
-        ASSERT((flags & (FS_USER_QUOTA | FS_GROUP_QUOTA)) !=
-                (FS_USER_QUOTA | FS_GROUP_QUOTA));
-        ASSERT((flags & (FS_PROJ_QUOTA|FS_USER_QUOTA|FS_GROUP_QUOTA)) != 0);
-
-        return (flags & XFS_DQ_USER) ?
-                FS_USER_QUOTA : (flags & XFS_DQ_PROJ) ?
-                        FS_PROJ_QUOTA : FS_GROUP_QUOTA;
-}
-
-STATIC uint
 xfs_qm_export_flags(
         uint flags)
 {
diff --git a/fs/xfs/xfs_quotaops.c b/fs/xfs/xfs_quotaops.c
index 7542bbeca6a1..801a84c1cdc3 100644
--- a/fs/xfs/xfs_quotaops.c
+++ b/fs/xfs/xfs_quotaops.c
@@ -131,7 +131,7 @@ STATIC int
 xfs_fs_get_dqblk(
         struct super_block      *sb,
         struct kqid             qid,
-        struct fs_disk_quota    *fdq)
+        struct qc_dqblk         *qdq)
 {
         struct xfs_mount        *mp = XFS_M(sb);
 
@@ -141,14 +141,14 @@ xfs_fs_get_dqblk(
                 return -ESRCH;
 
         return xfs_qm_scall_getquota(mp, from_kqid(&init_user_ns, qid),
-                                      xfs_quota_type(qid.type), fdq);
+                                      xfs_quota_type(qid.type), qdq);
 }
 
 STATIC int
 xfs_fs_set_dqblk(
         struct super_block      *sb,
         struct kqid             qid,
-        struct fs_disk_quota    *fdq)
+        struct qc_dqblk         *qdq)
 {
         struct xfs_mount        *mp = XFS_M(sb);
 
@@ -160,7 +160,7 @@ xfs_fs_set_dqblk(
                 return -ESRCH;
 
         return xfs_qm_scall_setqlim(mp, from_kqid(&init_user_ns, qid),
-                                     xfs_quota_type(qid.type), fdq);
+                                     xfs_quota_type(qid.type), qdq);
 }
 
 const struct quotactl_ops xfs_quotactl_operations = {