Commit 101d2dc0 authored by Nikolay Borisov's avatar Nikolay Borisov Committed by David Sterba

btrfs: Remove unused extent_root var from caching_thread

Added by b4570aa9 ("btrfs: fix compiling with CONFIG_BTRFS_DEBUG
enabled.") and obsoleted by 2ff7e61e ("btrfs: take an fs_info
directly when the root is not used otherwise").
Signed-off-by: default avatarNikolay Borisov <nborisov@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 338dae1a
...@@ -535,13 +535,11 @@ static noinline void caching_thread(struct btrfs_work *work) ...@@ -535,13 +535,11 @@ static noinline void caching_thread(struct btrfs_work *work)
struct btrfs_block_group_cache *block_group; struct btrfs_block_group_cache *block_group;
struct btrfs_fs_info *fs_info; struct btrfs_fs_info *fs_info;
struct btrfs_caching_control *caching_ctl; struct btrfs_caching_control *caching_ctl;
struct btrfs_root *extent_root;
int ret; int ret;
caching_ctl = container_of(work, struct btrfs_caching_control, work); caching_ctl = container_of(work, struct btrfs_caching_control, work);
block_group = caching_ctl->block_group; block_group = caching_ctl->block_group;
fs_info = block_group->fs_info; fs_info = block_group->fs_info;
extent_root = fs_info->extent_root;
mutex_lock(&caching_ctl->mutex); mutex_lock(&caching_ctl->mutex);
down_read(&fs_info->commit_root_sem); down_read(&fs_info->commit_root_sem);
......
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