[21/36] btrfs: reset max_extent_size on clear in a bitmap
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Message ID 20180911175807.26181-22-josef@toxicpanda.com
State New
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  • My current patch queue
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Commit Message

Josef Bacik Sept. 11, 2018, 5:57 p.m. UTC
From: Josef Bacik <jbacik@fb.com>

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

Reviewed-by: Liu Bo <bo.liu@linux.alibaba.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
 fs/btrfs/free-space-cache.c | 2 ++
 1 file changed, 2 insertions(+)

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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,