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| author | Marco Stornelli <marco.stornelli@gmail.com> | 2012-10-06 12:43:09 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-10-09 23:33:39 -0400 |
| commit | 8e22cc88d68ca1a46d7d582938f979eb640ed30f (patch) | |
| tree | a5b5ed3af60067093dde81bd651046d24b0dfd45 | |
| parent | b6963327e0521e682c2fffd018574251d3c22b41 (diff) | |
| download | linux-8e22cc88d68ca1a46d7d582938f979eb640ed30f.tar.bz2 | |
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>
| -rw-r--r-- | fs/super.c | 23 | ||||
| -rw-r--r-- | include/linux/fs.h | 1 |
2 files changed, 0 insertions, 24 deletions
diff --git a/fs/super.c b/fs/super.c index a3bc935069d9..12f123712161 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 @@ -394,22 +387,6 @@ 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 c617ed024df8..b7e70609243d 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1507,7 +1507,6 @@ 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 |