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Btrfs: fix wrong block group in trace during the free space allocation

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We allocate the free space from the former block group, not the current
one, so should use the former one to output the trace information.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Miao Xie 2014-01-15 20:00:57 +08:00 committed by Chris Mason
parent 215a63d139
commit 89d4346a36
1 changed files with 2 additions and 1 deletions
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3
fs/btrfs/extent-tree.c
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@ -6323,7 +6323,8 @@ have_block_group:
/* we have a block, we're done */
spin_unlock(&last_ptr->refill_lock);
trace_btrfs_reserve_extent_cluster(root,
block_group, search_start, num_bytes);
used_block_group,
search_start, num_bytes);
if (used_block_group != block_group) {
btrfs_put_block_group(block_group);
block_group = used_block_group;