Removed s_lock from super_block and removed lock/unlock super.
Signed-off-by: Marco Stornelli <marco.stornelli@xxxxxxxxx>
---
fs/super.c | 23 -----------------------
include/linux/fs.h | 1 -
2 files changed, 0 insertions(+), 24 deletions(-)
diff --git a/fs/super.c b/fs/super.c
index 0902cfa..f25a44a 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -186,15 +186,8 @@ static struct super_block *alloc_super(struct file_system_type *type, int flags)
spin_lock_init(&s->s_inode_lru_lock);
INIT_LIST_HEAD(&s->s_mounts);
init_rwsem(&s->s_umount);
- mutex_init(&s->s_lock);
lockdep_set_class(&s->s_umount, &type->s_umount_key);
/*
- * The locking rules for s_lock are up to the
- * filesystem. For example ext3fs has different
- * lock ordering than usbfs:
- */
- lockdep_set_class(&s->s_lock, &type->s_lock_key);
- /*
* sget() can have s_umount recursion.
*
* When it cannot find a suitable sb, it allocates a new
@@ -400,22 +393,6 @@ bool grab_super_passive(struct super_block *sb)
return false;
}
-/*
- * Superblock locking. We really ought to get rid of these two.
- */
-void lock_super(struct super_block * sb)
-{
- mutex_lock(&sb->s_lock);
-}
-
-void unlock_super(struct super_block * sb)
-{
- mutex_unlock(&sb->s_lock);
-}
-
-EXPORT_SYMBOL(lock_super);
-EXPORT_SYMBOL(unlock_super);
-
/**
* generic_shutdown_super - common helper for ->kill_sb()
* @sb: superblock to kill
diff --git a/include/linux/fs.h b/include/linux/fs.h
index aa11047..a3650ae 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1503,7 +1503,6 @@ struct super_block {
unsigned long s_magic;
struct dentry *s_root;
struct rw_semaphore s_umount;
- struct mutex s_lock;
int s_count;
atomic_t s_active;
#ifdef CONFIG_SECURITY
--
1.7.3.4
--
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