static int parse_sb_opt(char *opt, unsigned *flags, char *uopt)
{
static const struct opt2flag sb_opt2flag[] = {
{ "rw", 0, },
{ "ro", MS_RDONLY, },
{ "sync", MS_SYNC, },
{ "dirsync", MS_DIRSYNC, },
{ "mad", MS_MANDLOCK, },
{ },
};
return do_opt2flag(opt, flags, sb_opt2flag, uopt, sb_opt_cb);
}
static int parse_mnt_flags(char *opt, unsigned *flags)
{
const struct opt2flag mnt_opt2flag[] = {
{ "rw", 0, },
{ "ro", MS_RDONLY, },
{ "nosuid", MS_NOSUID, },
{ "nodev", MS_NODEV, } ,
{ "noexec", MS_NOEXEC, },
{ "noatime", MS_NOATIME, },
{ "nodiratime", MS_NODIRATIME, },
{ "relatime", MS_RELATIME, },
{ },
};
return do_opt2flag(opt, flags, mnt_opt2flag, NULL);
}
static int parse_mnt_flags(char *opt, unsigned *flags)
{
static const struct opt2flag mnt_opt2flag[] = {
{ "rw", 0, },
{ "ro", MS_RDONLY, },
{ "nosuid", MS_NOSUID, },
{ "nodev", MS_NODEV, },
{ "noexec", MS_NOEXEC, },
{ "noatime", MS_NOATIME, },
{ "nodiratime", MS_NODIRATIME, },
{ "relatime", MS_RELATIME, },
{ },
};
if (do_opt2flag(opt, flags, mnt_opt2flag, NULL, NULL))
return -1;
/* Otherwise the kernel assumes RELATIME by default */
if ((*flags & (MS_RELATIME | MS_NOATIME)) == 0)
*flags = MS_STRICTATIME;
return 0;
}