[PATCH 22/22] sysfs: move sysfs_assoc_lock into fs/sysfs/kobject.c and make it static

Tejun Heo
2007-09-20T08:15:47Z

sysfs_assoc_lock which protects kobj <-> sd association is now only
used in fs/sysfs/kobject.c. Move it there and make it static.

Signed-off-by: Tejun Heo <htejun@gmail.com>
---
fs/sysfs/dir.c | 1 -
fs/sysfs/kobject.c | 2 ++
fs/sysfs/sysfs.h | 1 -
3 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index d0eb9bf..a74ca4a 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -31,7 +31,6 @@
*/
DEFINE_MUTEX(sysfs_op_mutex);
DEFINE_MUTEX(sysfs_mutex);
-spinlock_t sysfs_assoc_lock = SPIN_LOCK_UNLOCKED;

static spinlock_t sysfs_ino_lock = SPIN_LOCK_UNLOCKED;
static DEFINE_IDA(sysfs_ino_ida);
diff --git a/fs/sysfs/kobject.c b/fs/sysfs/kobject.c
index 55b884b..16e10de 100644
--- a/fs/sysfs/kobject.c
+++ b/fs/sysfs/kobject.c
@@ -19,6 +19,8 @@

#define to_sattr(a) container_of(a,struct subsys_attribute, attr)

+static spinlock_t sysfs_assoc_lock = SPIN_LOCK_UNLOCKED;
+
static int sysfs_remove_child(struct sysfs_dirent *parent, const char *name)
{
struct sysfs_dirent *sd;
diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h
index 69e1451..732b292 100644
--- a/fs/sysfs/sysfs.h
+++ b/fs/sysfs/sysfs.h
@@ -89,7 +89,6 @@ extern struct kmem_cache *sysfs_dir_cachep;
*/
extern struct mutex sysfs_op_mutex;
extern struct mutex sysfs_mutex;
-extern spinlock_t sysfs_assoc_lock;

extern const struct file_operations sysfs_dir_operations;
extern const struct inode_operations sysfs_dir_inode_operations;
--
1.5.0.3