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From: Jaegeuk Kim <jaegeuk@kernel.org>
To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-f2fs-devel@lists.sourceforge.net
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Subject: [PATCH 1/3] f2fs: check the page status filled from disk
Date: Sat,  2 Jan 2016 17:26:04 -0800	[thread overview]
Message-ID: <1451784366-14261-1-git-send-email-jaegeuk@kernel.org> (raw)

After reading a page, we need to check whether there is any error.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
 fs/f2fs/data.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 89a978c..11b2111 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -448,6 +448,14 @@ repeat:
 
 		/* wait for read completion */
 		lock_page(page);
+		if (unlikely(!PageUptodate(page))) {
+			f2fs_put_page(page, 1);
+			return ERR_PTR(-EIO);
+		}
+		if (unlikely(page->mapping != mapping)) {
+			f2fs_put_page(page, 1);
+			goto repeat;
+		}
 	}
 got_it:
 	if (new_i_size && i_size_read(inode) <
-- 
2.6.3

             reply	other threads:[~2016-01-03  1:26 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-03  1:26 Jaegeuk Kim [this message]
2016-01-03  1:26 ` [PATCH 2/3] f2fs: cover more area with nat_tree_lock Jaegeuk Kim
2016-01-03  1:26   ` Jaegeuk Kim
2016-01-05  9:33   ` [f2fs-dev] " Chao Yu
2016-01-05 17:57     ` Jaegeuk Kim
2016-01-05 17:57       ` [f2fs-dev] " Jaegeuk Kim
2016-01-06  3:57       ` Chao Yu
2016-01-06  3:57         ` [f2fs-dev] " Chao Yu
2016-01-03  1:26 ` [PATCH 3/3] Revert "f2fs: check the node block address of newly allocated nid" Jaegeuk Kim
2016-01-03  1:26   ` Jaegeuk Kim
2016-01-05  9:31 ` [PATCH 1/3] f2fs: check the page status filled from disk Chao Yu
2016-01-05  9:31   ` [f2fs-dev] " Chao Yu
2016-01-05 17:48   ` Jaegeuk Kim
2016-01-06  1:21     ` Chao Yu
2016-01-06  2:30       ` Jaegeuk Kim
2016-01-06  2:30         ` [f2fs-dev] " Jaegeuk Kim
2016-01-06  4:10 ` [PATCH 1/3 v2] " Jaegeuk Kim
2016-01-06  5:20   ` [f2fs-dev] " Chao Yu
  -- strict thread matches above, loose matches on Subject: below --
2016-01-06  3:14 [PATCH 1/3] " Chao Yu
2016-01-06  4:02 ` Jaegeuk Kim

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