[PATCH 2/2] f2fs: commit atomic written page in LFS mode

From: Chao Yu
Date: Wed Oct 28 2015 - 05:56:59 EST


We should always commit atomic written pages in LFS mode, otherwise data
will become corrupted if we encounter suddent power cut after partial
pages committed in IPU mode.

Signed-off-by: Chao Yu <chao2.yu@xxxxxxxxxxx>
---
fs/f2fs/data.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index e070ac0..509caee 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1093,6 +1093,7 @@ int do_write_data_page(struct f2fs_io_info *fio)
*/
if (unlikely(fio->blk_addr != NEW_ADDR &&
!is_cold_data(page) &&
+ !IS_ATOMIC_WRITTEN_PAGE(page) &&
need_inplace_update(inode))) {
rewrite_data_page(fio);
set_inode_flag(F2FS_I(inode), FI_UPDATE_WRITE);
--
2.6.1


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