From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: axboe@kernel.dk, lucho@ionkov.net, jack@suse.cz,
"Darrick J. Wong" <darrick.wong@oracle.com>,
ericvh@gmail.com, viro@zeniv.linux.org.uk, rminnich@sandia.gov,
tytso@mit.edu
Cc: martin.petersen@oracle.com, neilb@suse.de, david@fromorbit.com,
Zheng Liu <gnehzuil.liu@gmail.com>,
linux-kernel@vger.kernel.org, hch@infradead.org,
linux-fsdevel@vger.kernel.org, adilger.kernel@dilger.ca,
bharrosh@panasas.com, jlayton@samba.org,
v9fs-developer@lists.sourceforge.net, linux-ext4@vger.kernel.org
Subject: [PATCH 3/4] 9pfs: Fix filesystem to wait for stable page writeback
Date: Thu, 13 Dec 2012 00:08:02 -0800 [thread overview]
Message-ID: <20121213080802.23360.4487.stgit@blackbox.djwong.org> (raw)
In-Reply-To: <20121213080740.23360.16346.stgit@blackbox.djwong.org>
Fix up the ->page_mkwrite handler to provide stable page writes if necessary.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
---
fs/9p/vfs_file.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index c2483e9..357260b 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -620,6 +620,7 @@ v9fs_vm_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
lock_page(page);
if (page->mapping != inode->i_mapping)
goto out_unlock;
+ wait_for_stable_page(page);
return VM_FAULT_LOCKED;
out_unlock:
next prev parent reply other threads:[~2012-12-13 8:09 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-13 8:07 [PATCH v2.3 0/3] mm/fs: Implement faster stable page writes on filesystems Darrick J. Wong
2012-12-13 8:07 ` [PATCH 1/4] bdi: Allow block devices to say that they require stable page writes Darrick J. Wong
2012-12-17 9:04 ` Jan Kara
2012-12-13 8:07 ` [PATCH 2/4] mm: Only enforce stable page writes if the backing device requires it Darrick J. Wong
2012-12-17 9:16 ` Jan Kara
2012-12-13 8:08 ` Darrick J. Wong [this message]
2012-12-17 10:11 ` [PATCH 3/4] 9pfs: Fix filesystem to wait for stable page writeback Jan Kara
2012-12-13 8:08 ` [PATCH 4/4] block: Optionally snapshot page contents to provide stable pages during write Darrick J. Wong
2012-12-14 1:48 ` Andy Lutomirski
2012-12-14 2:10 ` Darrick J. Wong
2012-12-14 3:33 ` Dave Chinner
2012-12-14 19:43 ` Darrick J. Wong
2012-12-15 1:12 ` Andy Lutomirski
2012-12-15 2:01 ` Darrick J. Wong
2012-12-15 2:06 ` Andy Lutomirski
2012-12-17 22:54 ` Darrick J. Wong
2012-12-16 16:13 ` Zheng Liu
2012-12-17 22:56 ` Darrick J. Wong
2012-12-17 10:23 ` Jan Kara
2012-12-17 23:20 ` Darrick J. Wong
2012-12-27 19:14 ` OGAWA Hirofumi
2012-12-27 21:40 ` Darrick J. Wong
2012-12-27 21:48 ` OGAWA Hirofumi
2013-01-07 20:44 ` Darrick J. Wong
2013-01-08 9:44 ` OGAWA Hirofumi
-- strict thread matches above, loose matches on Subject: below --
2012-11-21 2:00 [PATCH v2.1 0/3] mm/fs: Implement faster stable page writes on filesystems Darrick J. Wong
2012-11-21 2:00 ` [PATCH 3/4] 9pfs: Fix filesystem to wait for stable page writeback Darrick J. Wong
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