9p: Push file_update_time() into v9fs_vm_page_mkwrite()

CC: Eric Van Hensbergen <ericvh@gmail.com>
CC: Ron Minnich <rminnich@sandia.gov>
CC: Latchesar Ionkov <lucho@ionkov.net>
CC: v9fs-developer@lists.sourceforge.net
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index fc06fd27065..dd6f7ee1e31 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -610,6 +610,9 @@ v9fs_vm_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
         p9_debug(P9_DEBUG_VFS, "page %p fid %lx\n",
                  page, (unsigned long)filp->private_data);
 
+        /* Update file times before taking page lock */
+        file_update_time(filp);
+
         v9inode = V9FS_I(inode);
         /* make sure the cache has finished storing the page */
         v9fs_fscache_wait_on_page_write(inode, page);