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make freeing super_block rcu-delayed

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-10-04 17:06:56 -04:00
parent b70a80e7a1
commit e2fec7c355
2 changed files with 2 additions and 1 deletions
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2
fs/super.c
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@ -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);
}
/**

1
include/linux/fs.h
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@ -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);