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| author | Gu Zheng <guz.fnst@cn.fujitsu.com> | 2014-01-10 18:09:08 +0800 |
|---|---|---|
| committer | Ziyan <jaraidaniel@gmail.com> | 2015-05-02 14:36:07 +0200 |
| commit | ad23dff8f98383100a0f5b8e4910ea4516e464db (patch) | |
| tree | d55e7a85f9e9cf3e160623c39a4a86d10170199b | |
| parent | 333024fa451cf7a8c9c3c68252dd1b0b464055e2 (diff) | |
| download | kernel_samsung_tuna-ad23dff8f98383100a0f5b8e4910ea4516e464db.zip kernel_samsung_tuna-ad23dff8f98383100a0f5b8e4910ea4516e464db.tar.gz kernel_samsung_tuna-ad23dff8f98383100a0f5b8e4910ea4516e464db.tar.bz2 | |
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>
| -rw-r--r-- | fs/f2fs/checkpoint.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index fdc5a12..681782c 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); } |