From e2fec7c35582e7bb41cccc1761faa2af4dc17627 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Fri, 4 Oct 2013 17:06:56 -0400 Subject: [PATCH] make freeing super_block rcu-delayed Signed-off-by: Al Viro --- fs/super.c | 2 +- include/linux/fs.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/super.c b/fs/super.c index efa6e48..743bb71 100644 --- a/fs/super.c +++ b/fs/super.c @@ -149,7 +149,7 @@ static void destroy_super(struct super_block *s) WARN_ON(!list_empty(&s->s_mounts)); kfree(s->s_subtype); kfree(s->s_options); - kfree(s); + kfree_rcu(s, rcu); } /** diff --git a/include/linux/fs.h b/include/linux/fs.h index b09e4e1..2ab8a67 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1330,6 +1330,7 @@ struct super_block { */ struct list_lru s_dentry_lru ____cacheline_aligned_in_smp; struct list_lru s_inode_lru ____cacheline_aligned_in_smp; + struct rcu_head rcu; }; extern struct timespec current_fs_time(struct super_block *sb); -- 2.7.4