From c1ef37257229dc8903615eaf1d1abaa5da3f0686 Mon Sep 17 00:00:00 2001
From: Gu Zheng <guz.fnst@cn.fujitsu.com>
Date: Fri, 10 Jan 2014 18:09:08 +0800
Subject: [PATCH] f2fs: move alloc new orphan node out of lock protection
region
Move alloc new orphan node out of lock protection region.
Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
---
fs/f2fs/checkpoint.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index fdc5a12c0edd5..681782c715fb7 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -219,26 +219,29 @@ void add_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino)
struct list_head *head, *this;
struct orphan_inode_entry *new = NULL, *orphan = NULL;
+ new = f2fs_kmem_cache_alloc(orphan_entry_slab, GFP_ATOMIC);
+ new->ino = ino;
+
mutex_lock(&sbi->orphan_inode_mutex);
head = &sbi->orphan_inode_list;
list_for_each(this, head) {
orphan = list_entry(this, struct orphan_inode_entry, list);
- if (orphan->ino == ino)
- goto out;
+ if (orphan->ino == ino) {
+ mutex_unlock(&sbi->orphan_inode_mutex);
+ kmem_cache_free(orphan_entry_slab, new);
+ return;
+ }
+
if (orphan->ino > ino)
break;
orphan = NULL;
}
- new = f2fs_kmem_cache_alloc(orphan_entry_slab, GFP_ATOMIC);
- new->ino = ino;
-
/* add new_oentry into list which is sorted by inode number */
if (orphan)
list_add(&new->list, this->prev);
else
list_add_tail(&new->list, head);
-out:
mutex_unlock(&sbi->orphan_inode_mutex);
}
--
2.30.2