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

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 @@ static noinline int find_free_extent(struct btrfs_root *orig_root,
/* 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;