From: Josef Bacik <jbacik@xxxxxx> 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. Reviewed-by: Liu Bo <bo.liu@xxxxxxxxxxxxxxxxx> Signed-off-by: Josef Bacik <jbacik@xxxxxx> --- fs/btrfs/free-space-cache.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index 2e96ee7da3ec..d2a863a2ee24 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, -- 2.14.3
