summaryrefslogtreecommitdiffstats
path: root/fs/btrfs/free-space-cache.c
diff options
context:
space:
mode:
authorJosef Bacik <jbacik@fb.com>2018-09-28 07:18:00 -0400
committerDavid Sterba <dsterba@suse.com>2018-10-15 17:23:39 +0200
commit553cceb49681d60975d00892877d4c871bf220f9 (patch)
tree766ad50573989393c3dc21c5b32e9387e844e650 /fs/btrfs/free-space-cache.c
parent84de76a2fb217dc1b6bc2965cc397d1648aa1404 (diff)
downloadlinux-553cceb49681d60975d00892877d4c871bf220f9.tar.bz2
btrfs: reset max_extent_size on clear in a bitmap
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>
Diffstat (limited to 'fs/btrfs/free-space-cache.c')
-rw-r--r--fs/btrfs/free-space-cache.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index a1f379e8ad13..67441219d6c9 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -1687,6 +1687,8 @@ 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,