Commit 553cceb4 authored by Josef Bacik's avatar Josef Bacik Committed by David Sterba
Browse files

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: default avatarLiu Bo <bo.liu@linux.alibaba.com>
Signed-off-by: default avatarJosef Bacik <jbacik@fb.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 84de76a2

fs/btrfs/free-space-cache.c

+2 −0
Original line number Diff line number Diff line
@@ -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,