From: Chao Yu <yuchao0@huawei.com>
To: <jaegeuk@kernel.org>
Cc: <linux-f2fs-devel@lists.sourceforge.net>,
<linux-kernel@vger.kernel.org>, <chao@kernel.org>,
Chao Yu <yuchao0@huawei.com>
Subject: [PATCH 1/2] f2fs: don't drop dentry pages after fs shutdown
Date: Mon, 28 May 2018 16:59:26 +0800 [thread overview]
Message-ID: <20180528085927.91965-1-yuchao0@huawei.com> (raw)
As description in commit "f2fs: don't drop any page on f2fs_cp_error()
case":
"We still provide readdir() after shtudown, so we should keep pages to
avoid additional IOs."
In order to provider lastest directory structure, let's keep dentry
pages in cache after fs shutdown.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
---
fs/f2fs/data.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 9d3e2e1c1e33..31c2edb217ec 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1801,6 +1801,12 @@ static int __write_data_page(struct page *page, bool *submitted,
/* we should bypass data pages to proceed the kworkder jobs */
if (unlikely(f2fs_cp_error(sbi))) {
mapping_set_error(page->mapping, -EIO);
+ /*
+ * don't drop any dirty dentry pages for keeping lastest
+ * directory structure.
+ */
+ if (S_ISDIR(inode->i_mode))
+ goto redirty_out;
goto out;
}
--
2.17.0.391.g1f1cddd558b5
next reply other threads:[~2018-05-28 8:59 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-28 8:59 Chao Yu [this message]
2018-05-28 8:59 ` [PATCH 2/2] f2fs: fix error path of move_data_page Chao Yu
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