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f2fs: move grabing orphan pages out of protection region

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Move grabing orphan block page out of protection region, and grab all
the orphan block pages ahead.

Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Reviewed-by: Chao Yu <chao2.yu@samsung.com>
[Jaegeuk Kim: remove unnecessary code pointed by Chao Yu]
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Gu Zheng 2014-01-10 18:09:02 +08:00 committed by Jaegeuk Kim
parent 5514f0aadd
commit 4531929e39
1 changed files with 9 additions and 7 deletions
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16
fs/f2fs/checkpoint.c
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@ -303,22 +303,25 @@ static void write_orphan_inodes(struct f2fs_sb_info *sbi, block_t start_blk)
{
struct list_head *head;
struct f2fs_orphan_block *orphan_blk = NULL;
struct page *page = NULL;
unsigned int nentries = 0;
unsigned short index = 1;
unsigned short orphan_blocks;
unsigned short index;
unsigned short orphan_blocks = (unsigned short)((sbi->n_orphans +
(F2FS_ORPHANS_PER_BLOCK - 1)) / F2FS_ORPHANS_PER_BLOCK);
struct page *page = NULL;
struct page *pages[orphan_blocks];
struct orphan_inode_entry *orphan = NULL;
orphan_blocks = (unsigned short)((sbi->n_orphans +
(F2FS_ORPHANS_PER_BLOCK - 1)) / F2FS_ORPHANS_PER_BLOCK);
for (index = 0; index < orphan_blocks; index++)
pages[index] = grab_meta_page(sbi, start_blk + index);
index = 1;
mutex_lock(&sbi->orphan_inode_mutex);
head = &sbi->orphan_inode_list;
/* loop for each orphan inode entry and write them in Jornal block */
list_for_each_entry(orphan, head, list) {
if (!page) {
page = grab_meta_page(sbi, start_blk);
page = pages[index - 1];
orphan_blk =
(struct f2fs_orphan_block *)page_address(page);
memset(orphan_blk, 0, sizeof(*orphan_blk));
@ -338,7 +341,6 @@ static void write_orphan_inodes(struct f2fs_sb_info *sbi, block_t start_blk)
set_page_dirty(page);
f2fs_put_page(page, 1);
index++;
start_blk++;
nentries = 0;
page = NULL;
}