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-rw-r--r--fs/autofs4/autofs_i.h1
-rw-r--r--fs/autofs4/inode.c13
2 files changed, 5 insertions, 9 deletions
diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h
index ebab147e9700..4218e26df916 100644
--- a/fs/autofs4/autofs_i.h
+++ b/fs/autofs4/autofs_i.h
@@ -122,6 +122,7 @@ struct autofs_sb_info {
spinlock_t lookup_lock;
struct list_head active_list;
struct list_head expiring_list;
+ struct rcu_head rcu;
};
static inline struct autofs_sb_info *autofs4_sbi(struct super_block *sb)
diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
index b104726e2d0a..3b9cc9b973c2 100644
--- a/fs/autofs4/inode.c
+++ b/fs/autofs4/inode.c
@@ -56,18 +56,13 @@ void autofs4_kill_sb(struct super_block *sb)
* just call kill_anon_super when we are called from
* deactivate_super.
*/
- if (!sbi)
- goto out_kill_sb;
-
- /* Free wait queues, close pipe */
- autofs4_catatonic_mode(sbi);
-
- sb->s_fs_info = NULL;
- kfree(sbi);
+ if (sbi) /* Free wait queues, close pipe */
+ autofs4_catatonic_mode(sbi);
-out_kill_sb:
DPRINTK("shutting down");
kill_litter_super(sb);
+ if (sbi)
+ kfree_rcu(sbi, rcu);
}
static int autofs4_show_options(struct seq_file *m, struct dentry *root)