From: Andi Kleen Date: Wed, 18 May 2011 00:11:22 +0000 (+0000) Subject: BTRFS: Remove unused node_lock X-Git-Tag: v3.0-rc2~5^2~17^2~18 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0956c798ef8dbe0fc215870eb68bd2d8e789f86a;p=platform%2Fkernel%2Flinux-exynos.git BTRFS: Remove unused node_lock 240f62c8756 replaced the node_lock with rcu_read_lock, but forgot to remove the actual lock in the data structure. Remove it here. Signed-off-by: Andi Kleen Signed-off-by: Chris Mason --- diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 8f4b81d..f290b98 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1088,9 +1088,6 @@ struct btrfs_fs_info { struct btrfs_root { struct extent_buffer *node; - /* the node lock is held while changing the node pointer */ - spinlock_t node_lock; - struct extent_buffer *commit_root; struct btrfs_root *log_root; struct btrfs_root *reloc_root; diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 228cf36..64b2896 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -1064,7 +1064,6 @@ static int __setup_root(u32 nodesize, u32 leafsize, u32 sectorsize, INIT_LIST_HEAD(&root->dirty_list); INIT_LIST_HEAD(&root->orphan_list); INIT_LIST_HEAD(&root->root_list); - spin_lock_init(&root->node_lock); spin_lock_init(&root->orphan_lock); spin_lock_init(&root->inode_lock); spin_lock_init(&root->accounting_lock);