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vfs: drop lock/unlock super
Removed s_lock from super_block and removed lock/unlock super. Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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2 changed files with 0 additions and 24 deletions
23
fs/super.c
23
fs/super.c
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@ -186,14 +186,7 @@ static struct super_block *alloc_super(struct file_system_type *type, int flags)
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spin_lock_init(&s->s_inode_lru_lock);
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INIT_LIST_HEAD(&s->s_mounts);
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init_rwsem(&s->s_umount);
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mutex_init(&s->s_lock);
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lockdep_set_class(&s->s_umount, &type->s_umount_key);
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/*
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* The locking rules for s_lock are up to the
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* filesystem. For example ext3fs has different
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* lock ordering than usbfs:
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*/
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lockdep_set_class(&s->s_lock, &type->s_lock_key);
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/*
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* sget() can have s_umount recursion.
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*
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@ -394,22 +387,6 @@ bool grab_super_passive(struct super_block *sb)
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return false;
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}
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/*
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* Superblock locking. We really ought to get rid of these two.
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*/
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void lock_super(struct super_block * sb)
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{
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mutex_lock(&sb->s_lock);
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}
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void unlock_super(struct super_block * sb)
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{
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mutex_unlock(&sb->s_lock);
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}
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EXPORT_SYMBOL(lock_super);
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EXPORT_SYMBOL(unlock_super);
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/**
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* generic_shutdown_super - common helper for ->kill_sb()
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* @sb: superblock to kill
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@ -1507,7 +1507,6 @@ struct super_block {
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unsigned long s_magic;
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struct dentry *s_root;
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struct rw_semaphore s_umount;
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struct mutex s_lock;
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int s_count;
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atomic_t s_active;
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#ifdef CONFIG_SECURITY
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