commit 2d1d9b5b5cc2d7d528a7cbf621d924de38b1b6b6
author Al Viro <viro@zeniv.linux.org.uk> Thu Oct 03 12:37:18 2013 -0400
committer Al Viro <viro@zeniv.linux.org.uk> Thu Oct 24 23:43:27 2013 -0400
tree 0e4b74b8951c842737a855ca1367009f7124b5f0
parent 30687e0a47e89f56489ab73965ee88231e611986

adfs: delayed freeing of sbi

makes ->d_hash() and ->d_compare() safety in RCU mode independent
from vfsmount_lock.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/adfs/super.c

diff --git a/fs/adfs/super.c b/fs/adfs/super.c
index 0ff4bae..7b3003c 100644
--- a/fs/adfs/super.c
+++ b/fs/adfs/super.c
@@ -123,8 +123,7 @@
 	for (i = 0; i < asb->s_map_size; i++)
 		brelse(asb->s_map[i].dm_bh);
 	kfree(asb->s_map);
-	kfree(asb);
-	sb->s_fs_info = NULL;
+	kfree_rcu(asb, rcu);
 }
 
 static int adfs_show_options(struct seq_file *seq, struct dentry *root)