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btrfs: fix compiling with CONFIG_BTRFS_DEBUG enabled. 

Merging in the free space tree deleted a variable needed when
CONFIG_BTRFS_DEBUG=y

Signed-off-by: Chris Mason <clm@fb.com>
steinar/wifi_calib_4_9_kernel
Chris Mason 2015-12-30 07:37:26 -08:00
parent 140e639f1a
commit b4570aa994
1 changed files with 2 additions and 0 deletions
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2
fs/btrfs/extent-tree.c
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@ -543,11 +543,13 @@ static noinline void caching_thread(struct btrfs_work *work)
struct btrfs_block_group_cache *block_group;
struct btrfs_fs_info *fs_info;
struct btrfs_caching_control *caching_ctl;
struct btrfs_root *extent_root;
int ret;
caching_ctl = container_of(work, struct btrfs_caching_control, work);
block_group = caching_ctl->block_group;
fs_info = block_group->fs_info;
extent_root = fs_info->extent_root;
mutex_lock(&caching_ctl->mutex);
down_read(&fs_info->commit_root_sem);