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authorliubo <liubo2009@cn.fujitsu.com>2012-09-07 20:01:26 -0600
committerChris Mason <chris.mason@fusionio.com>2012-10-01 15:19:17 -0400
commit0647d6bd16c03c928a22d1b90c4c8684c5908f08 (patch)
tree8832783f58d853934a89b00682324dd30c8793b0
parent8407aa464331556e4f6784f974030b83fc7585ed (diff)
downloadop-kernel-dev-0647d6bd16c03c928a22d1b90c4c8684c5908f08.zip
op-kernel-dev-0647d6bd16c03c928a22d1b90c4c8684c5908f08.tar.gz
Btrfs: cleanup for unused ref cache stuff
As ref cache has been removed from btrfs, there is no user on its lock and its check. Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com> Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
-rw-r--r--fs/btrfs/ctree.h3
-rw-r--r--fs/btrfs/disk-io.c5
2 files changed, 0 insertions, 8 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 6923b9e4..305002b 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1376,9 +1376,6 @@ struct btrfs_fs_info {
struct rb_root defrag_inodes;
atomic_t defrag_running;
- spinlock_t ref_cache_lock;
- u64 total_ref_cache_size;
-
/*
* these three are in extended format (availability of single
* chunks is denoted by BTRFS_AVAIL_ALLOC_BIT_SINGLE bit, other
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 34717ac..8054f7c 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2000,7 +2000,6 @@ int open_ctree(struct super_block *sb,
INIT_LIST_HEAD(&fs_info->caching_block_groups);
spin_lock_init(&fs_info->delalloc_lock);
spin_lock_init(&fs_info->trans_lock);
- spin_lock_init(&fs_info->ref_cache_lock);
spin_lock_init(&fs_info->fs_roots_radix_lock);
spin_lock_init(&fs_info->delayed_iput_lock);
spin_lock_init(&fs_info->defrag_inodes_lock);
@@ -3214,10 +3213,6 @@ int close_ctree(struct btrfs_root *root)
printk(KERN_INFO "btrfs: at unmount delalloc count %llu\n",
(unsigned long long)fs_info->delalloc_bytes);
}
- if (fs_info->total_ref_cache_size) {
- printk(KERN_INFO "btrfs: at umount reference cache size %llu\n",
- (unsigned long long)fs_info->total_ref_cache_size);
- }
free_extent_buffer(fs_info->extent_root->node);
free_extent_buffer(fs_info->extent_root->commit_root);
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