From: Chao Yu <chao@kernel.org>
To: jaegeuk@kernel.org
Cc: linux-f2fs-devel@lists.sourceforge.net,
linux-kernel@vger.kernel.org, Chao Yu <yuchao0@huawei.com>
Subject: [PATCH] f2fs: fix to recover inode->i_flags of inode block during POR
Date: Sun, 7 Oct 2018 03:03:38 +0800 [thread overview]
Message-ID: <20181006190338.4037-1-chao@kernel.org> (raw)
From: Chao Yu <yuchao0@huawei.com>
Testcase to reproduce this bug:
1. mkfs.f2fs /dev/sdd
2. mount -t f2fs /dev/sdd /mnt/f2fs
3. touch /mnt/f2fs/file
4. sync
5. chattr +a /mnt/f2fs/file
6. xfs_io -a /mnt/f2fs/file -c "fsync"
7. godown /mnt/f2fs
8. umount /mnt/f2fs
9. mount -t f2fs /dev/sdd /mnt/f2fs
10. xfs_io /mnt/f2fs/file
There is no error when opening this file w/o O_APPEND, but actually,
we expect the correct result should be:
/mnt/f2fs/file: Operation not permitted
The root cause is, in recover_inode(), we recover inode->i_flags more
than F2FS_I(inode)->i_flags, so fix it.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
---
fs/f2fs/recovery.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index af66d6f5683b..eeee3756c3a9 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -275,6 +275,7 @@ static int recover_inode(struct inode *inode, struct page *page)
F2FS_I(inode)->i_advise = raw->i_advise;
F2FS_I(inode)->i_flags = le32_to_cpu(raw->i_flags);
+ f2fs_set_inode_flags(inode);
F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN] =
le16_to_cpu(raw->i_gc_failures);
--
2.18.0
reply other threads:[~2018-10-07 5:52 UTC|newest]
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