[PATCH v5 05/13] fs: Refactoring in alloc_super()

From: Kirill Tkhai
Date: Thu May 10 2018 - 05:53:14 EST


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@xxxxxxxxxxxxx>
---
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: