diff --git a/fs/sysv/ialloc.c b/fs/sysv/ialloc.c
index 8233b02..f9db4eb 100644
--- a/fs/sysv/ialloc.c
+++ b/fs/sysv/ialloc.c
@@ -118,7 +118,7 @@
 		       "%s\n", inode->i_sb->s_id);
 		return;
 	}
-	lock_super(sb);
+	mutex_lock(&sbi->s_lock);
 	count = fs16_to_cpu(sbi, *sbi->s_sb_fic_count);
 	if (count < sbi->s_fic_size) {
 		*sv_sb_fic_inode(sb,count++) = cpu_to_fs16(sbi, ino);
@@ -128,7 +128,7 @@
 	dirty_sb(sb);
 	memset(raw_inode, 0, sizeof(struct sysv_inode));
 	mark_buffer_dirty(bh);
-	unlock_super(sb);
+	mutex_unlock(&sbi->s_lock);
 	brelse(bh);
 }
 
@@ -147,13 +147,13 @@
 	if (!inode)
 		return ERR_PTR(-ENOMEM);
 
-	lock_super(sb);
+	mutex_lock(&sbi->s_lock);
 	count = fs16_to_cpu(sbi, *sbi->s_sb_fic_count);
 	if (count == 0 || (*sv_sb_fic_inode(sb,count-1) == 0)) {
 		count = refill_free_cache(sb);
 		if (count == 0) {
 			iput(inode);
-			unlock_super(sb);
+			mutex_unlock(&sbi->s_lock);
 			return ERR_PTR(-ENOSPC);
 		}
 	}
@@ -174,7 +174,7 @@
 	sysv_write_inode(inode, &wbc);	/* ensure inode not allocated again */
 	mark_inode_dirty(inode);	/* cleared by sysv_write_inode() */
 	/* That's it. */
-	unlock_super(sb);
+	mutex_unlock(&sbi->s_lock);
 	return inode;
 }
 
@@ -185,7 +185,7 @@
 	struct sysv_inode * raw_inode;
 	int ino, count, sb_count;
 
-	lock_super(sb);
+	mutex_lock(&sbi->s_lock);
 
 	sb_count = fs16_to_cpu(sbi, *sbi->s_sb_total_free_inodes);
 
@@ -213,7 +213,7 @@
 	if (count != sb_count)
 		goto Einval;
 out:
-	unlock_super(sb);
+	mutex_unlock(&sbi->s_lock);
 	return count;
 
 Einval: