fs: Limit sys_mount to only request filesystem modules.

[platform/adaptation/renesas_rcar/renesas_kernel.git] / fs / exofs / super.c

diff --git a/fs/exofs/super.c b/fs/exofs/super.c
index dde41a7..9d97633 100644 (file)
--- a/fs/exofs/super.c
+++ b/fs/exofs/super.c
@@ -206,6 +206,11 @@ static int init_inodecache(void)
  */
 static void destroy_inodecache(void)
 {
+       /*
+        * Make sure all delayed rcu free inodes are flushed before we
+        * destroy cache.
+        */
+       rcu_barrier();
        kmem_cache_destroy(exofs_inode_cachep);
 }
 
@@ -384,8 +389,6 @@ static int exofs_sync_fs(struct super_block *sb, int wait)
        if (unlikely(ret))
                goto out;
 
-       lock_super(sb);
-
        ios->length = offsetof(struct exofs_fscb, s_dev_table_oid);
        memset(fscb, 0, ios->length);
        fscb->s_nextid = cpu_to_le64(sbi->s_nextid);
@@ -401,8 +404,6 @@ static int exofs_sync_fs(struct super_block *sb, int wait)
        if (unlikely(ret))
                EXOFS_ERR("%s: ore_write failed.\n", __func__);
 
-
-       unlock_super(sb);
 out:
        EXOFS_DBGMSG("s_nextid=0x%llx ret=%d\n", _LLU(sbi->s_nextid), ret);
        ore_put_io_state(ios);
@@ -1009,6 +1010,7 @@ static struct file_system_type exofs_type = {
        .mount          = exofs_mount,
        .kill_sb        = generic_shutdown_super,
 };
+MODULE_ALIAS_FS("exofs");
 
 static int __init init_exofs(void)
 {