diff options
| author | Filipe Manana <fdmanana@suse.com> | 2019-10-09 17:43:45 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-10-29 09:20:06 +0100 |
| commit | ac6bae2b524ddbd7bc0609b70331277c9146144c (patch) | |
| tree | 5652acdc418445b67ae714dcd0e2229da8976c69 /fs/btrfs | |
| parent | 6cd5be9832eb2e556bf3023113e4a5d5fc58891f (diff) | |
Btrfs: add missing extents release on file extent cluster relocation error
commit 44db1216efe37bf670f8d1019cdc41658d84baf5 upstream.
If we error out when finding a page at relocate_file_extent_cluster(), we
need to release the outstanding extents counter on the relocation inode,
set by the previous call to btrfs_delalloc_reserve_metadata(), otherwise
the inode's block reserve size can never decrease to zero and metadata
space is leaked. Therefore add a call to btrfs_delalloc_release_extents()
in case we can't find the target page.
Fixes: 8b62f87bad9c ("Btrfs: rework outstanding_extents")
CC: stable@vger.kernel.org # 4.19+
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/relocation.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index 5d57ed629345..bccd9dede2af 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -3187,6 +3187,8 @@ static int relocate_file_extent_cluster(struct inode *inode, if (!page) { btrfs_delalloc_release_metadata(BTRFS_I(inode), PAGE_SIZE, true); + btrfs_delalloc_release_extents(BTRFS_I(inode), + PAGE_SIZE, true); ret = -ENOMEM; goto out; } |