RE: [PATCH v8 02/13] exfat: add super block operations

[Namjae Jeon]

> > +static int exfat_fill_super(struct super_block *sb, struct fs_context
> > +*fc) {
> > +       struct exfat_sb_info *sbi = sb->s_fs_info;
> > +       struct exfat_mount_options *opts = &sbi->options;
> > +       struct inode *root_inode;
> > +       int err;
> > +
> > +       if (opts->allow_utime == (unsigned short)-1)
> > +               opts->allow_utime = ~opts->fs_dmask & 0022;
> > +
> > +       if (opts->utf8 && strcmp(opts->iocharset,
> exfat_iocharset_with_utf8)) {
> > +               exfat_msg(sb, KERN_WARNING,
> > +                       "utf8 enabled, \"iocharset=%s\" is recommended",
> > +                       exfat_iocharset_with_utf8);
> > +       }
> > +
> > +       if (opts->discard) {
> > +               struct request_queue *q = bdev_get_queue(sb->s_bdev);
> > +
> > +               if (!blk_queue_discard(q))
> > +                       exfat_msg(sb, KERN_WARNING,
> > +                               "mounting with \"discard\" option, but the
> device does not support discard");
> > +               opts->discard = 0;
> > +       }
> > +
> > +       sb->s_flags |= SB_NODIRATIME;
> > +       sb->s_magic = EXFAT_SUPER_MAGIC;
> > +       sb->s_op = &exfat_sops;
> 
> I don't see you set up s_time_gran, s_time_min and s_time_max anywhere.
> Please fill those to get the correct behavior. That also lets you drop the
> manual truncation of the values.
Okay!

Thanks!
> 
>        Arnd