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-rw-r--r--fs/adfs/adfs.h9
-rw-r--r--fs/adfs/super.c3
2 files changed, 7 insertions, 5 deletions
diff --git a/fs/adfs/adfs.h b/fs/adfs/adfs.h
index 585adafb0cc2..c770337c4b45 100644
--- a/fs/adfs/adfs.h
+++ b/fs/adfs/adfs.h
@@ -43,9 +43,12 @@ struct adfs_dir_ops;
* ADFS file system superblock data in memory
*/
struct adfs_sb_info {
- struct adfs_discmap *s_map; /* bh list containing map */
- struct adfs_dir_ops *s_dir; /* directory operations */
-
+ union { struct {
+ struct adfs_discmap *s_map; /* bh list containing map */
+ struct adfs_dir_ops *s_dir; /* directory operations */
+ };
+ struct rcu_head rcu; /* used only at shutdown time */
+ };
kuid_t s_uid; /* owner uid */
kgid_t s_gid; /* owner gid */
umode_t s_owner_mask; /* ADFS owner perm -> unix perm */
diff --git a/fs/adfs/super.c b/fs/adfs/super.c
index 0ff4bae2c2a2..7b3003cb6f1b 100644
--- a/fs/adfs/super.c
+++ b/fs/adfs/super.c
@@ -123,8 +123,7 @@ static void adfs_put_super(struct super_block *sb)
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)