From: Andi Kleen <ak@linux.intel.com>
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 <ak@linux.intel.com>
---
fs/btrfs/ctree.h | 3 ---
fs/btrfs/disk-io.c | 1 -
2 files changed, 0 insertions(+), 4 deletions(-)
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);
--
1.7.4.4
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