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| author | Chris Mason <chris.mason@oracle.com> | 2010-10-29 17:27:49 +0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2010-10-29 17:27:49 +0400 |
| commit | 6b5b817f103450444f3f658a498f435d92a197e5 (patch) | |
| tree | 2896588127c4dd6c2867ef09e7e3cdd83391f8ae /fs/btrfs/inode.c | |
| parent | 8216ef866df1119fd5a72372b8b29bce49c18590 (diff) | |
| parent | e9bb7f10d3617304ef94ff7aa8fefbce3078f08b (diff) | |
| download | linux-6b5b817f103450444f3f658a498f435d92a197e5.tar.xz | |
Merge branch 'bug-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-work
Conflicts:
fs/btrfs/extent-tree.c
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/inode.c')
| -rw-r--r-- | fs/btrfs/inode.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index f2fb974ed8f0..9f08136b10c4 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -6681,7 +6681,8 @@ int btrfs_start_delalloc_inodes(struct btrfs_root *root, int delay_iput) return 0; } -int btrfs_start_one_delalloc_inode(struct btrfs_root *root, int delay_iput) +int btrfs_start_one_delalloc_inode(struct btrfs_root *root, int delay_iput, + int sync) { struct btrfs_inode *binode; struct inode *inode = NULL; @@ -6703,7 +6704,26 @@ int btrfs_start_one_delalloc_inode(struct btrfs_root *root, int delay_iput) spin_unlock(&root->fs_info->delalloc_lock); if (inode) { - write_inode_now(inode, 0); + if (sync) { + filemap_write_and_wait(inode->i_mapping); + /* + * We have to do this because compression doesn't + * actually set PG_writeback until it submits the pages + * for IO, which happens in an async thread, so we could + * race and not actually wait for any writeback pages + * because they've not been submitted yet. Technically + * this could still be the case for the ordered stuff + * since the async thread may not have started to do its + * work yet. If this becomes the case then we need to + * figure out a way to make sure that in writepage we + * wait for any async pages to be submitted before + * returning so that fdatawait does what its supposed to + * do. + */ + btrfs_wait_ordered_range(inode, 0, (u64)-1); + } else { + filemap_flush(inode->i_mapping); + } if (delay_iput) btrfs_add_delayed_iput(inode); else |