f2fs: clean up the add_orphan_inode func

For the code
> prev = list_entry(orphan->list.prev, typeof(*prev), list);
if orphan->list.prev == head, it can't get the right prev.
And we can use the parameter 'this' to add.

Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
majianpeng 2013-01-29 16:19:02 +08:00 committed by Jaegeuk Kim
parent aa43507f68
commit a2617dc686

View file

@ -219,19 +219,11 @@ void add_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino)
new->ino = ino;
/* add new_oentry into list which is sorted by inode number */
if (orphan) {
struct orphan_inode_entry *prev;
/* get previous entry */
prev = list_entry(orphan->list.prev, typeof(*prev), list);
if (&prev->list != head)
/* insert new orphan inode entry */
list_add(&new->list, &prev->list);
else
list_add(&new->list, head);
} else {
if (orphan)
list_add(&new->list, this->prev);
else
list_add_tail(&new->list, head);
}
sbi->n_orphans++;
out:
mutex_unlock(&sbi->orphan_inode_mutex);