f2fs: fix to update page flag
This patch fixes to update page flag (e.g. Uptodate/cold flag) in
->write_begin.
Otherwise, page will be non-uptodate when we try to write entire
page, and cold data flag in page will not be clean when gced page
is being rewritten.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index c9d0f8b..de55c08 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1790,8 +1790,10 @@
f2fs_put_dnode(&dn);
f2fs_unlock_op(sbi);
- if ((len == PAGE_CACHE_SIZE) || PageUptodate(page))
- return 0;
+ if (len == PAGE_CACHE_SIZE)
+ goto out_update;
+ if (PageUptodate(page))
+ goto out_clear;
f2fs_wait_on_page_writeback(page, DATA);
@@ -1801,7 +1803,7 @@
/* Reading beyond i_size is simple: memset to zero */
zero_user_segments(page, 0, start, end, PAGE_CACHE_SIZE);
- goto out;
+ goto out_update;
}
if (dn.data_blkaddr == NEW_ADDR) {
@@ -1839,8 +1841,9 @@
}
}
}
-out:
+out_update:
SetPageUptodate(page);
+out_clear:
clear_cold_data(page);
return 0;