On Wed, Feb 10, 2016 at 05:38:14PM -0600, Eric Sandeen wrote:
> This should be a no-op change, just switch to token parsing
> like every other respectable filesystem does.
>
> Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
> ---
>
> diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
> index 59c9b7b..934233a 100644
> --- a/fs/xfs/xfs_super.c
> +++ b/fs/xfs/xfs_super.c
> @@ -65,83 +65,82 @@ static struct kset *xfs_kset; /* top-level xfs sysfs dir */
...
> STATIC int
> -suffix_kstrtoint(char *s, unsigned int base, int *res)
> +suffix_kstrtoint(const substring_t *s, unsigned int base, int *res)
> {
> int last, shift_left_factor = 0, _res;
> - char *value = s;
> + char *value = match_strdup(s);
> + int ret = 0;
> +
Trailing whitespace here ^^
>
> last = strlen(value) - 1;
> if (value[last] == 'K' || value[last] == 'k') {
...
> @@ -217,152 +218,153 @@ xfs_parseargs(
> if (!options)
> goto done;
>
> - while ((this_char = strsep(&options, ",")) != NULL) {
> - if (!*this_char)
> + while ((p = strsep(&options, ",")) != NULL) {
> + int token;
> +
> + if (!*p)
> continue;
> - if ((value = strchr(this_char, '=')) != NULL)
> - *value++ = 0;
>
> - if (!strcmp(this_char, MNTOPT_LOGBUFS)) {
> - if (!value || !*value) {
> - xfs_warn(mp, "%s option requires an argument",
> - this_char);
> - return -EINVAL;
> - }
> - if (kstrtoint(value, 10, &mp->m_logbufs))
> - return -EINVAL;
> - } else if (!strcmp(this_char, MNTOPT_LOGBSIZE)) {
> - if (!value || !*value) {
> - xfs_warn(mp, "%s option requires an argument",
> - this_char);
> - return -EINVAL;
> - }
> - if (suffix_kstrtoint(value, 10, &mp->m_logbsize))
> + token = match_token(p, tokens, args);
^^^ spaces instead of tabs.
> + switch (token) {
> + case Opt_logbufs:
> + if (match_int(args, &mp->m_logbufs))
> return -EINVAL;
> - } else if (!strcmp(this_char, MNTOPT_LOGDEV)) {
> - if (!value || !*value) {
> - xfs_warn(mp, "%s option requires an argument",
> - this_char);
> + break;
> + case Opt_logbsize:
> + if (suffix_kstrtoint(args, 10, &mp->m_logbsize))
> return -EINVAL;
> - }
> - mp->m_logname = kstrndup(value, MAXNAMELEN, GFP_KERNEL);
> + break;
> + case Opt_logdev:
> + mp->m_logname = match_strdup(args);
> if (!mp->m_logname)
> return -ENOMEM;
> - } else if (!strcmp(this_char, MNTOPT_MTPT)) {
> - xfs_warn(mp, "%s option not allowed on this system",
> - this_char);
> + break;
> + case Opt_mtpt:
> + xfs_warn(mp, "%s option not allowed on this system", p);
> return -EINVAL;
> - } else if (!strcmp(this_char, MNTOPT_RTDEV)) {
> - if (!value || !*value) {
> - xfs_warn(mp, "%s option requires an argument",
> - this_char);
> - return -EINVAL;
> - }
> - mp->m_rtname = kstrndup(value, MAXNAMELEN, GFP_KERNEL);
> + break;
Any reason for the break after the return here? Otherwise seems fine:
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
Brian
> + case Opt_rtdev:
> + mp->m_rtname = match_strdup(args);
> if (!mp->m_rtname)
> return -ENOMEM;
> - } else if (!strcmp(this_char, MNTOPT_ALLOCSIZE) ||
> - !strcmp(this_char, MNTOPT_BIOSIZE)) {
> - if (!value || !*value) {
> - xfs_warn(mp, "%s option requires an argument",
> - this_char);
> - return -EINVAL;
> - }
> - if (suffix_kstrtoint(value, 10, &iosize))
> + break;
> + case Opt_allocsize:
> + case Opt_biosize:
> + if (suffix_kstrtoint(args, 10, &iosize))
> return -EINVAL;
> iosizelog = ffs(iosize) - 1;
> - } else if (!strcmp(this_char, MNTOPT_GRPID) ||
> - !strcmp(this_char, MNTOPT_BSDGROUPS)) {
> + break;
> + case Opt_grpid:
> + case Opt_bsdgroups:
> mp->m_flags |= XFS_MOUNT_GRPID;
> - } else if (!strcmp(this_char, MNTOPT_NOGRPID) ||
> - !strcmp(this_char, MNTOPT_SYSVGROUPS)) {
> + break;
> + case Opt_nogrpid:
> + case Opt_sysvgroups:
> mp->m_flags &= ~XFS_MOUNT_GRPID;
> - } else if (!strcmp(this_char, MNTOPT_WSYNC)) {
> + break;
> + case Opt_wsync:
> mp->m_flags |= XFS_MOUNT_WSYNC;
> - } else if (!strcmp(this_char, MNTOPT_NORECOVERY)) {
> + break;
> + case Opt_norecovery:
> mp->m_flags |= XFS_MOUNT_NORECOVERY;
> - } else if (!strcmp(this_char, MNTOPT_NOALIGN)) {
> + break;
> + case Opt_noalign:
> mp->m_flags |= XFS_MOUNT_NOALIGN;
> - } else if (!strcmp(this_char, MNTOPT_SWALLOC)) {
> + break;
> + case Opt_swalloc:
> mp->m_flags |= XFS_MOUNT_SWALLOC;
> - } else if (!strcmp(this_char, MNTOPT_SUNIT)) {
> - if (!value || !*value) {
> - xfs_warn(mp, "%s option requires an argument",
> - this_char);
> - return -EINVAL;
> - }
> - if (kstrtoint(value, 10, &dsunit))
> - return -EINVAL;
> - } else if (!strcmp(this_char, MNTOPT_SWIDTH)) {
> - if (!value || !*value) {
> - xfs_warn(mp, "%s option requires an argument",
> - this_char);
> + break;
> + case Opt_sunit:
> + if (match_int(args, &dsunit))
> return -EINVAL;
> - }
> - if (kstrtoint(value, 10, &dswidth))
> + break;
> + case Opt_swidth:
> + if (match_int(args, &dswidth))
> return -EINVAL;
> - } else if (!strcmp(this_char, MNTOPT_32BITINODE)) {
> + break;
> + case Opt_inode32:
> mp->m_flags |= XFS_MOUNT_SMALL_INUMS;
> - } else if (!strcmp(this_char, MNTOPT_64BITINODE)) {
> + break;
> + case Opt_inode64:
> mp->m_flags &= ~XFS_MOUNT_SMALL_INUMS;
> - } else if (!strcmp(this_char, MNTOPT_NOUUID)) {
> + break;
> + case Opt_nouuid:
> mp->m_flags |= XFS_MOUNT_NOUUID;
> - } else if (!strcmp(this_char, MNTOPT_BARRIER)) {
> + break;
> + case Opt_barrier:
> mp->m_flags |= XFS_MOUNT_BARRIER;
> - } else if (!strcmp(this_char, MNTOPT_NOBARRIER)) {
> + break;
> + case Opt_nobarrier:
> mp->m_flags &= ~XFS_MOUNT_BARRIER;
> - } else if (!strcmp(this_char, MNTOPT_IKEEP)) {
> + break;
> + case Opt_ikeep:
> mp->m_flags |= XFS_MOUNT_IKEEP;
> - } else if (!strcmp(this_char, MNTOPT_NOIKEEP)) {
> + break;
> + case Opt_noikeep:
> mp->m_flags &= ~XFS_MOUNT_IKEEP;
> - } else if (!strcmp(this_char, MNTOPT_LARGEIO)) {
> + break;
> + case Opt_largeio:
> mp->m_flags &= ~XFS_MOUNT_COMPAT_IOSIZE;
> - } else if (!strcmp(this_char, MNTOPT_NOLARGEIO)) {
> + break;
> + case Opt_nolargeio:
> mp->m_flags |= XFS_MOUNT_COMPAT_IOSIZE;
> - } else if (!strcmp(this_char, MNTOPT_ATTR2)) {
> + break;
> + case Opt_attr2:
> mp->m_flags |= XFS_MOUNT_ATTR2;
> - } else if (!strcmp(this_char, MNTOPT_NOATTR2)) {
> + break;
> + case Opt_noattr2:
> mp->m_flags &= ~XFS_MOUNT_ATTR2;
> mp->m_flags |= XFS_MOUNT_NOATTR2;
> - } else if (!strcmp(this_char, MNTOPT_FILESTREAM)) {
> + break;
> + case Opt_filestreams:
> mp->m_flags |= XFS_MOUNT_FILESTREAMS;
> - } else if (!strcmp(this_char, MNTOPT_NOQUOTA)) {
> + break;
> + case Opt_noquota:
> mp->m_qflags &= ~XFS_ALL_QUOTA_ACCT;
> mp->m_qflags &= ~XFS_ALL_QUOTA_ENFD;
> mp->m_qflags &= ~XFS_ALL_QUOTA_ACTIVE;
> - } else if (!strcmp(this_char, MNTOPT_QUOTA) ||
> - !strcmp(this_char, MNTOPT_UQUOTA) ||
> - !strcmp(this_char, MNTOPT_USRQUOTA)) {
> + break;
> + case Opt_quota:
> + case Opt_uquota:
> + case Opt_usrquota:
> mp->m_qflags |= (XFS_UQUOTA_ACCT | XFS_UQUOTA_ACTIVE |
> XFS_UQUOTA_ENFD);
> - } else if (!strcmp(this_char, MNTOPT_QUOTANOENF) ||
> - !strcmp(this_char, MNTOPT_UQUOTANOENF)) {
> + break;
> + case Opt_qnoenforce:
> + case Opt_uqnoenforce:
> mp->m_qflags |= (XFS_UQUOTA_ACCT | XFS_UQUOTA_ACTIVE);
> mp->m_qflags &= ~XFS_UQUOTA_ENFD;
> - } else if (!strcmp(this_char, MNTOPT_PQUOTA) ||
> - !strcmp(this_char, MNTOPT_PRJQUOTA)) {
> + break;
> + case Opt_pquota:
> + case Opt_prjquota:
> mp->m_qflags |= (XFS_PQUOTA_ACCT | XFS_PQUOTA_ACTIVE |
> XFS_PQUOTA_ENFD);
> - } else if (!strcmp(this_char, MNTOPT_PQUOTANOENF)) {
> + break;
> + case Opt_pqnoenforce:
> mp->m_qflags |= (XFS_PQUOTA_ACCT | XFS_PQUOTA_ACTIVE);
> mp->m_qflags &= ~XFS_PQUOTA_ENFD;
> - } else if (!strcmp(this_char, MNTOPT_GQUOTA) ||
> - !strcmp(this_char, MNTOPT_GRPQUOTA)) {
> + case Opt_gquota:
> + case Opt_grpquota:
> mp->m_qflags |= (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE |
> XFS_GQUOTA_ENFD);
> - } else if (!strcmp(this_char, MNTOPT_GQUOTANOENF)) {
> + break;
> + case Opt_gqnoenforce:
> mp->m_qflags |= (XFS_GQUOTA_ACCT | XFS_GQUOTA_ACTIVE);
> mp->m_qflags &= ~XFS_GQUOTA_ENFD;
> - } else if (!strcmp(this_char, MNTOPT_DISCARD)) {
> + break;
> + case Opt_discard:
> mp->m_flags |= XFS_MOUNT_DISCARD;
> - } else if (!strcmp(this_char, MNTOPT_NODISCARD)) {
> + break;
> + case Opt_nodiscard:
> mp->m_flags &= ~XFS_MOUNT_DISCARD;
> + break;
> #ifdef CONFIG_FS_DAX
> - } else if (!strcmp(this_char, MNTOPT_DAX)) {
> + case Opt_dax:
> mp->m_flags |= XFS_MOUNT_DAX;
> + break;
> #endif
> - } else {
> - xfs_warn(mp, "unknown mount option [%s].", this_char);
> + default:
> + xfs_warn(mp, "unknown mount option [%s].", p);
> return -EINVAL;
> }
> }
> @@ -461,25 +463,25 @@ xfs_showargs(
> {
> static struct proc_xfs_info xfs_info_set[] = {
> /* the few simple ones we can get from the mount struct */
> - { XFS_MOUNT_IKEEP, "," MNTOPT_IKEEP },
> - { XFS_MOUNT_WSYNC, "," MNTOPT_WSYNC },
> - { XFS_MOUNT_NOALIGN, "," MNTOPT_NOALIGN },
> - { XFS_MOUNT_SWALLOC, "," MNTOPT_SWALLOC },
> - { XFS_MOUNT_NOUUID, "," MNTOPT_NOUUID },
> - { XFS_MOUNT_NORECOVERY, "," MNTOPT_NORECOVERY },
> - { XFS_MOUNT_ATTR2, "," MNTOPT_ATTR2 },
> - { XFS_MOUNT_FILESTREAMS, "," MNTOPT_FILESTREAM },
> - { XFS_MOUNT_GRPID, "," MNTOPT_GRPID },
> - { XFS_MOUNT_DISCARD, "," MNTOPT_DISCARD },
> - { XFS_MOUNT_SMALL_INUMS, "," MNTOPT_32BITINODE },
> - { XFS_MOUNT_DAX, "," MNTOPT_DAX },
> + { XFS_MOUNT_IKEEP, ",ikeep" },
> + { XFS_MOUNT_WSYNC, ",wsync" },
> + { XFS_MOUNT_NOALIGN, ",noalign" },
> + { XFS_MOUNT_SWALLOC, ",swalloc" },
> + { XFS_MOUNT_NOUUID, ",nouuid" },
> + { XFS_MOUNT_NORECOVERY, ",norecovery" },
> + { XFS_MOUNT_ATTR2, ",attr2" },
> + { XFS_MOUNT_FILESTREAMS, ",filestreams" },
> + { XFS_MOUNT_GRPID, ",grpid" },
> + { XFS_MOUNT_DISCARD, ",discard" },
> + { XFS_MOUNT_SMALL_INUMS, ",inode32" },
> + { XFS_MOUNT_DAX, ",dax" },
> { 0, NULL }
> };
> static struct proc_xfs_info xfs_info_unset[] = {
> /* the few simple ones we can get from the mount struct */
> - { XFS_MOUNT_COMPAT_IOSIZE, "," MNTOPT_LARGEIO },
> - { XFS_MOUNT_BARRIER, "," MNTOPT_NOBARRIER },
> - { XFS_MOUNT_SMALL_INUMS, "," MNTOPT_64BITINODE },
> + { XFS_MOUNT_COMPAT_IOSIZE, ",largeio" },
> + { XFS_MOUNT_BARRIER, ",nobarrier" },
> + { XFS_MOUNT_SMALL_INUMS, ",inode64" },
> { 0, NULL }
> };
> struct proc_xfs_info *xfs_infop;
> @@ -494,46 +496,46 @@ xfs_showargs(
> }
>
> if (mp->m_flags & XFS_MOUNT_DFLT_IOSIZE)
> - seq_printf(m, "," MNTOPT_ALLOCSIZE "=%dk",
> + seq_printf(m, ",allocsize=%dk",
> (int)(1 << mp->m_writeio_log) >> 10);
>
> if (mp->m_logbufs > 0)
> - seq_printf(m, "," MNTOPT_LOGBUFS "=%d", mp->m_logbufs);
> + seq_printf(m, ",logbufs=%d", mp->m_logbufs);
> if (mp->m_logbsize > 0)
> - seq_printf(m, "," MNTOPT_LOGBSIZE "=%dk", mp->m_logbsize >> 10);
> + seq_printf(m, ",logbsize=%dk", mp->m_logbsize >> 10);
>
> if (mp->m_logname)
> - seq_show_option(m, MNTOPT_LOGDEV, mp->m_logname);
> + seq_show_option(m, "logdev", mp->m_logname);
> if (mp->m_rtname)
> - seq_show_option(m, MNTOPT_RTDEV, mp->m_rtname);
> + seq_show_option(m, "rtdev", mp->m_rtname);
>
> if (mp->m_dalign > 0)
> - seq_printf(m, "," MNTOPT_SUNIT "=%d",
> + seq_printf(m, ",sunit=%d",
> (int)XFS_FSB_TO_BB(mp, mp->m_dalign));
> if (mp->m_swidth > 0)
> - seq_printf(m, "," MNTOPT_SWIDTH "=%d",
> + seq_printf(m, ",swidth=%d",
> (int)XFS_FSB_TO_BB(mp, mp->m_swidth));
>
> if (mp->m_qflags & (XFS_UQUOTA_ACCT|XFS_UQUOTA_ENFD))
> - seq_puts(m, "," MNTOPT_USRQUOTA);
> + seq_puts(m, ",usrquota");
> else if (mp->m_qflags & XFS_UQUOTA_ACCT)
> - seq_puts(m, "," MNTOPT_UQUOTANOENF);
> + seq_puts(m, ",uqnoenforce");
>
> if (mp->m_qflags & XFS_PQUOTA_ACCT) {
> if (mp->m_qflags & XFS_PQUOTA_ENFD)
> - seq_puts(m, "," MNTOPT_PRJQUOTA);
> + seq_puts(m, ",prjquota");
> else
> - seq_puts(m, "," MNTOPT_PQUOTANOENF);
> + seq_puts(m, ",pqnoenforce");
> }
> if (mp->m_qflags & XFS_GQUOTA_ACCT) {
> if (mp->m_qflags & XFS_GQUOTA_ENFD)
> - seq_puts(m, "," MNTOPT_GRPQUOTA);
> + seq_puts(m, ",grpquota");
> else
> - seq_puts(m, "," MNTOPT_GQUOTANOENF);
> + seq_puts(m, ",gqnoenforce");
> }
>
> if (!(mp->m_qflags & XFS_ALL_QUOTA_ACCT))
> - seq_puts(m, "," MNTOPT_NOQUOTA);
> + seq_puts(m, ",noquota");
>
> return 0;
> }
> @@ -1344,9 +1346,8 @@ xfs_finish_flags(
> */
> if (xfs_sb_version_hascrc(&mp->m_sb) &&
> (mp->m_flags & XFS_MOUNT_NOATTR2)) {
> - xfs_warn(mp,
> -"Cannot mount a V5 filesystem as %s. %s is always enabled for V5 filesystems.",
> - MNTOPT_NOATTR2, MNTOPT_ATTR2);
> + xfs_warn(mp, "Cannot mount a V5 filesystem as noattr2. "
> + "attr2 is always enabled for V5 filesystems.");
> return -EINVAL;
> }
>
>
> _______________________________________________
> xfs mailing list
> xfs@xxxxxxxxxxx
> http://oss.sgi.com/mailman/listinfo/xfs
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