CC: Eric Van Hensbergen <ericvh@xxxxxxxxx> CC: Ron Minnich <rminnich@xxxxxxxxxx> CC: Latchesar Ionkov <lucho@xxxxxxxxxx> CC: v9fs-developer@xxxxxxxxxxxxxxxxxxxxx Signed-off-by: Jan Kara <jack@xxxxxxx> --- fs/9p/vfs_file.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) BTW: I see you don't check whether the page you locked isn't beyond i_size. Cannot your code race with truncate? See checks in __block_page_mkwrite()... diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index fc06fd2..dd6f7ee 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); -- 1.7.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>