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authorAl Viro <viro@zeniv.linux.org.uk>2013-10-03 12:37:18 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2013-10-24 23:43:27 -0400
commit2d1d9b5b5cc2d7d528a7cbf621d924de38b1b6b6 (patch)
tree0e4b74b8951c842737a855ca1367009f7124b5f0 /fs/adfs/super.c
parent30687e0a47e89f56489ab73965ee88231e611986 (diff)
downloadlinux-2d1d9b5b5cc2d7d528a7cbf621d924de38b1b6b6.tar.bz2
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>
Diffstat (limited to 'fs/adfs/super.c')
-rw-r--r--fs/adfs/super.c3
1 files changed, 1 insertions, 2 deletions
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)