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Message-ID: <152594597832.22949.9366506937000436227.stgit@localhost.localdomain>
Date: Thu, 10 May 2018 12:52:58 +0300
From: Kirill Tkhai <ktkhai@...tuozzo.com>
To: akpm@...ux-foundation.org, vdavydov.dev@...il.com,
shakeelb@...gle.com, viro@...iv.linux.org.uk, hannes@...xchg.org,
mhocko@...nel.org, ktkhai@...tuozzo.com, tglx@...utronix.de,
pombredanne@...b.com, stummala@...eaurora.org,
gregkh@...uxfoundation.org, sfr@...b.auug.org.au, guro@...com,
mka@...omium.org, penguin-kernel@...ove.SAKURA.ne.jp,
chris@...is-wilson.co.uk, longman@...hat.com, minchan@...nel.org,
ying.huang@...el.com, mgorman@...hsingularity.net, jbacik@...com,
linux@...ck-us.net, linux-kernel@...r.kernel.org,
linux-mm@...ck.org, willy@...radead.org, lirongqing@...du.com,
aryabinin@...tuozzo.com
Subject: [PATCH v5 05/13] fs: Refactoring in alloc_super()
Do two list_lru_init_memcg() calls after prealloc_super().
destroy_unused_super() in fail path is OK with this.
Next patch needs such the order.
Signed-off-by: Kirill Tkhai <ktkhai@...tuozzo.com>
---
fs/super.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/fs/super.c b/fs/super.c
index 16c153d2f4f1..2ccacb78f91c 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -234,10 +234,6 @@ static struct super_block *alloc_super(struct file_system_type *type, int flags,
INIT_LIST_HEAD(&s->s_inodes_wb);
spin_lock_init(&s->s_inode_wblist_lock);
- if (list_lru_init_memcg(&s->s_dentry_lru))
- goto fail;
- if (list_lru_init_memcg(&s->s_inode_lru))
- goto fail;
s->s_count = 1;
atomic_set(&s->s_active, 1);
mutex_init(&s->s_vfs_rename_mutex);
@@ -258,6 +254,10 @@ static struct super_block *alloc_super(struct file_system_type *type, int flags,
s->s_shrink.flags = SHRINKER_NUMA_AWARE | SHRINKER_MEMCG_AWARE;
if (prealloc_shrinker(&s->s_shrink))
goto fail;
+ if (list_lru_init_memcg(&s->s_dentry_lru))
+ goto fail;
+ if (list_lru_init_memcg(&s->s_inode_lru))
+ goto fail;
return s;
fail:
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