sysv: drop lock/unlock super

Removed lock/unlock super. Added a new private s_lock mutex.

Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/sysv/super.c b/fs/sysv/super.c
index 7491c33b6468..a38e87bdd78d 100644
--- a/fs/sysv/super.c
+++ b/fs/sysv/super.c
@@ -368,6 +368,7 @@ static int sysv_fill_super(struct super_block *sb, void *data, int silent)
 
         sbi->s_sb = sb;
         sbi->s_block_base = 0;
+        mutex_init(&sbi->s_lock);
         sb->s_fs_info = sbi;
 
         sb_set_blocksize(sb, BLOCK_SIZE);