From patchwork Tue Jan 15 05:42:58 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [3/6] 9pfs: Fix filesystem to wait for stable page writeback Date: Mon, 14 Jan 2013 19:42:58 -0000 From: "Darrick J. Wong" X-Patchwork-Id: 211998 Message-Id: <20130115054258.1563.77616.stgit@blackbox.djwong.org> To: axboe@kernel.dk, lucho@ionkov.net, jack@suse.cz, darrick.wong@oracle.com, ericvh@gmail.com, tytso@mit.edu, viro@zeniv.linux.org.uk, rminnich@sandia.gov 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, linux-ext4@vger.kernel.org, hirofumi@mail.parknet.co.jp 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(+) -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html 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: