-STATIC int
-xfs_qm_parseargs(
- struct bhv_desc *bhv,
- char *options,
- struct xfs_mount_args *args,
- int update)
-{
- size_t length;
- char *local_options = options;
- char *this_char;
- int error;
- int referenced = update;
-
- while ((this_char = strsep(&local_options, ",")) != NULL) {
- length = strlen(this_char);
- if (local_options)
- length++;
-
- if (!strcmp(this_char, MNTOPT_NOQUOTA)) {
- args->flags &= ~(XFSMNT_UQUOTAENF|XFSMNT_UQUOTA);
- args->flags &= ~(XFSMNT_GQUOTAENF|XFSMNT_GQUOTA);
- referenced = update;
- } else if (!strcmp(this_char, MNTOPT_QUOTA) ||
- !strcmp(this_char, MNTOPT_UQUOTA) ||
- !strcmp(this_char, MNTOPT_USRQUOTA)) {
- args->flags |= XFSMNT_UQUOTA | XFSMNT_UQUOTAENF;
- referenced = 1;
- } else if (!strcmp(this_char, MNTOPT_QUOTANOENF) ||
- !strcmp(this_char, MNTOPT_UQUOTANOENF)) {
- args->flags |= XFSMNT_UQUOTA;
- args->flags &= ~XFSMNT_UQUOTAENF;
- referenced = 1;
- } else if (!strcmp(this_char, MNTOPT_PQUOTA) ||
- !strcmp(this_char, MNTOPT_PRJQUOTA)) {
- args->flags |= XFSMNT_PQUOTA | XFSMNT_PQUOTAENF;
- referenced = 1;
- } else if (!strcmp(this_char, MNTOPT_PQUOTANOENF)) {
- args->flags |= XFSMNT_PQUOTA;
- args->flags &= ~XFSMNT_PQUOTAENF;
- referenced = 1;
- } else if (!strcmp(this_char, MNTOPT_GQUOTA) ||
- !strcmp(this_char, MNTOPT_GRPQUOTA)) {
- args->flags |= XFSMNT_GQUOTA | XFSMNT_GQUOTAENF;
- referenced = 1;
- } else if (!strcmp(this_char, MNTOPT_GQUOTANOENF)) {
- args->flags |= XFSMNT_GQUOTA;
- args->flags &= ~XFSMNT_GQUOTAENF;
- referenced = 1;
- } else {
- if (local_options)
- *(local_options-1) = ',';
- continue;
- }
-
- while (length--)
- *this_char++ = ',';
- }
-
- if ((args->flags & XFSMNT_GQUOTA) && (args->flags & XFSMNT_PQUOTA)) {
- cmn_err(CE_WARN,
- "XFS: cannot mount with both project and group quota");
- return XFS_ERROR(EINVAL);
- }
-
- error = bhv_next_vfs_parseargs(BHV_NEXT(bhv), options, args, update);
- if (!error && !referenced)
- bhv_remove_vfsops(bhvtovfs(bhv), VFS_POSITION_QM);
- return error;
-}
-
-STATIC int
-xfs_qm_showargs(
- struct bhv_desc *bhv,
- struct seq_file *m)
-{
- struct bhv_vfs *vfsp = bhvtovfs(bhv);
- struct xfs_mount *mp = XFS_VFSTOM(vfsp);
-
- if (mp->m_qflags & XFS_UQUOTA_ACCT) {
- (mp->m_qflags & XFS_UQUOTA_ENFD) ?
- seq_puts(m, "," MNTOPT_USRQUOTA) :
- seq_puts(m, "," MNTOPT_UQUOTANOENF);
- }
-
- if (mp->m_qflags & XFS_PQUOTA_ACCT) {
- (mp->m_qflags & XFS_OQUOTA_ENFD) ?
- seq_puts(m, "," MNTOPT_PRJQUOTA) :
- seq_puts(m, "," MNTOPT_PQUOTANOENF);
- }
-
- if (mp->m_qflags & XFS_GQUOTA_ACCT) {
- (mp->m_qflags & XFS_OQUOTA_ENFD) ?
- seq_puts(m, "," MNTOPT_GRPQUOTA) :
- seq_puts(m, "," MNTOPT_GQUOTANOENF);
- }
-
- if (!(mp->m_qflags & XFS_ALL_QUOTA_ACCT))
- seq_puts(m, "," MNTOPT_NOQUOTA);
-
- return bhv_next_vfs_showargs(BHV_NEXT(bhv), m);
-}
-
-STATIC int
-xfs_qm_mount(
- struct bhv_desc *bhv,
- struct xfs_mount_args *args,
- struct cred *cr)
-{
- struct bhv_vfs *vfsp = bhvtovfs(bhv);
- struct xfs_mount *mp = XFS_VFSTOM(vfsp);
-
- if (args->flags & (XFSMNT_UQUOTA | XFSMNT_GQUOTA | XFSMNT_PQUOTA))
- xfs_qm_mount_quotainit(mp, args->flags);
- return bhv_next_vfs_mount(BHV_NEXT(bhv), args, cr);
-}
-
-/*
- * Directory tree accounting is implemented using project quotas, where
- * the project identifier is inherited from parent directories.
- * A statvfs (df, etc.) of a directory that is using project quota should
- * return a statvfs of the project, not the entire filesystem.
- * This makes such trees appear as if they are filesystems in themselves.
- */
-STATIC int
-xfs_qm_statvfs(
- struct bhv_desc *bhv,