From mboxrd@z Thu Jan 1 00:00:00 1970 From: jiangyiwen Date: Fri, 09 Feb 2018 06:13:28 +0000 Subject: [V9fs-developer] [PATCH] fs/9p: don't set SB_NOATIME by default Message-Id: <5A7D3C08.7020309@huawei.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: v9fs-developer@lists.sourceforge.net Cc: Eric Van Hensbergen , Ron Minnich , Latchesar Ionkov , linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org User use some syscall, for example mmap(v9fs_file_mmap), it will not update atime even if user's mnt_flags have MNT_NOATIME, because v9fs default set SB_NOATIME in v9fs_set_super. For supporting access time is updated when user mount with relatime, we should clear SB_NOATIME by default. Signed-off-by: Yiwen Jiang --- fs/9p/vfs_super.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c index af03c2a..48ce504 100644 --- a/fs/9p/vfs_super.c +++ b/fs/9p/vfs_super.c @@ -94,7 +94,7 @@ static int v9fs_set_super(struct super_block *s, void *data) if (v9ses->cache) sb->s_bdi->ra_pages = (VM_MAX_READAHEAD * 1024)/PAGE_SIZE; - sb->s_flags |= SB_ACTIVE | SB_DIRSYNC | SB_NOATIME; + sb->s_flags |= SB_ACTIVE | SB_DIRSYNC; if (!v9ses->cache) sb->s_flags |= SB_SYNCHRONOUS; -- 1.8.3.1