From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Darrick J. Wong" Subject: [PATCH 3/6] 9pfs: Fix filesystem to wait for stable page writeback Date: Fri, 18 Jan 2013 17:12:53 -0800 Message-ID: <20130119011253.20902.38148.stgit@blackbox.djwong.org> References: <20130119011231.20902.55954.stgit@blackbox.djwong.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: martin.petersen@oracle.com, neilb@suse.de, david@fromorbit.com, 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, akpm@linux-foundation.org, linux-ext4@vger.kernel.org, hirofumi@mail.parknet.co.jp To: axboe@kernel.dk, lucho@ionkov.net, jack@suse.cz, darrick.wong@oracle.com, ericvh@gmail.com, viro@zeniv.linux.org.uk, rminnich@sandia.gov, tytso@mit.edu Return-path: In-Reply-To: <20130119011231.20902.55954.stgit@blackbox.djwong.org> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org Fix up the ->page_mkwrite handler to provide stable page writes if necessary. Signed-off-by: Darrick J. Wong --- 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: