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

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
...@@ -1687,6 +1687,8 @@ static inline void __bitmap_clear_bits(struct btrfs_free_space_ctl *ctl, ...@@ -1687,6 +1687,8 @@ static inline void __bitmap_clear_bits(struct btrfs_free_space_ctl *ctl,
bitmap_clear(info->bitmap, start, count); bitmap_clear(info->bitmap, start, count);
info->bytes -= bytes; 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, static void bitmap_clear_bits(struct btrfs_free_space_ctl *ctl,
......
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