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 <jiangyiwen@xxxxxxxxxx> --- 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 -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html