From 0647d6bd16c03c928a22d1b90c4c8684c5908f08 Mon Sep 17 00:00:00 2001 From: liubo Date: Fri, 7 Sep 2012 20:01:26 -0600 Subject: [PATCH] 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 Signed-off-by: Liu Bo --- fs/btrfs/ctree.h | 3 --- fs/btrfs/disk-io.c | 5 ----- 2 files changed, 8 deletions(-) diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 6923b9e4f90..305002b7bf3 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 34717ac2416..8054f7ccf46 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); -- 2.41.0