sysv: Add forgotten superblock lock init for v7 fs
Lubomir Rintel [Wed, 18 Sep 2013 10:39:16 +0000 (12:39 +0200)]
commit 49475555848d396a0c78fb2f8ecceb3f3f263ef1 upstream.

Superblock lock was replaced with (un)lock_super() removal, but left
uninitialized for Seventh Edition UNIX filesystem in the following commit (3.7):
c07cb01 sysv: drop lock/unlock super

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

fs/sysv/super.c

index d0c6a00..eda1095 100644 (file)
@@ -487,6 +487,7 @@ static int v7_fill_super(struct super_block *sb, void *data, int silent)
        sbi->s_sb = sb;
        sbi->s_block_base = 0;
        sbi->s_type = FSTYPE_V7;
+       mutex_init(&sbi->s_lock);
        sb->s_fs_info = sbi;
        
        sb_set_blocksize(sb, 512);