Change log from v1:
- use get_lock_data_page and return error, suggested by Chao
>From 4882f227e71b482c53e55a5c3ad559d33f620a20 Mon Sep 17 00:00:00 2001
From: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
Date: Fri, 1 Jan 2016 22:03:47 -0800
Subject: [PATCH] f2fs: check the page status filled from disk
After reading a page, we need to check whether there is any error.
Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
fs/f2fs/data.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 89a978c..0bfa02a 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -442,12 +442,11 @@ repeat:
} else {
f2fs_put_page(page, 1);
- page = get_read_data_page(inode, index, READ_SYNC, true);
+ /* if ipage exists, blkaddr should be NEW_ADDR */
+ f2fs_bug_on(F2FS_I_SB(inode), ipage);
+ page = get_lock_data_page(inode, index, true);
if (IS_ERR(page))
- goto repeat;
-
- /* wait for read completion */
- lock_page(page);
+ return page;
}
got_it:
if (new_i_size && i_size_read(inode) <
--
2.6.3
--
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