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| author | Josef Bacik <jbacik@fb.com> | 2018-09-28 14:18:00 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-21 11:27:37 +0300 |
| commit | 5e7a422384626abbd41ff229bbf18b7119053b9e (patch) | |
| tree | c26bbdd6cc07a8f9ce7675a30314140a5b0b6bed /fs/btrfs/free-space-cache.c | |
| parent | 6968f018a95ad377b644b2f4b449aa8a4f6620d8 (diff) | |
| download | linux-5e7a422384626abbd41ff229bbf18b7119053b9e.tar.xz | |
btrfs: reset max_extent_size on clear in a bitmap
commit 553cceb49681d60975d00892877d4c871bf220f9 upstream.
We need to clear the max_extent_size when we clear bits from a bitmap
since it could have been from the range that contains the
max_extent_size.
CC: stable@vger.kernel.org # 4.4+
Reviewed-by: Liu Bo <bo.liu@linux.alibaba.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/btrfs/free-space-cache.c')
| -rw-r--r-- | fs/btrfs/free-space-cache.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index 45934deacfd7..2b4c5f298325 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -1699,6 +1699,8 @@ static inline void __bitmap_clear_bits(struct btrfs_free_space_ctl *ctl, bitmap_clear(info->bitmap, start, count); info->bytes -= bytes; + if (info->max_extent_size > ctl->unit) + info->max_extent_size = 0; } static void bitmap_clear_bits(struct btrfs_free_space_ctl *ctl, |