lvm/softpart/sp_ioctl.c

98  * INPUT:	mnum	- minor number of soft partition to get.
106 sp_getun(minor_t mnum, md_error_t *mde)
110 	set_t		setno = MD_MIN2SET(mnum);
113 	if ((setno >= md_nsets) || (MD_MIN2UNIT(mnum) >= md_nunits)) {
114 		(void) mdmderror(mde, MDE_INVAL_UNIT, mnum);
119 		(void) mdmddberror(mde, MDE_DB_STALE, mnum, setno);
123 	ui = MDI_UNIT(mnum);
126 		(void) mdmderror(mde, MDE_UNIT_NOT_SETUP, mnum);
130 	un = (mp_unit_t *)MD_UNIT(mnum);
133 		(void) mdmderror(mde, MDE_NOT_SP, mnum);
223 	minor_t			mnum;
238 	mnum = mup->mnum;
239 	setno = MD_MIN2SET(mnum);
241 	un = MD_UNIT(mnum);
251 	if ((setno >= md_nsets) || (MD_MIN2UNIT(mnum) >= md_nunits))
252 		return (mdmderror(mdep, MDE_INVAL_UNIT, mnum));
254 		return (mdmddberror(mdep, MDE_DB_STALE, mnum, setno));
293 		device = md_resolve_bydevid(mnum, device, un->un_key);
301 	if (md_layered_open(mnum, &device, MD_OFLG_FROMIOCTL)) {
303 		    mnum, device);
339 			    MDE_SP_BADWMWRITE, mnum);
448 	minor_t		mnum;
459 	mnum = msp->mnum;
460 	setno = MD_MIN2SET(mnum);
467 	if ((setno >= md_nsets) || (MD_MIN2UNIT(mnum) >= md_nunits))
468 		return (mdmderror(mdep, MDE_INVAL_UNIT, mnum));
470 		return (mdmddberror(mdep, MDE_DB_STALE, mnum, setno));
477 	un = MD_UNIT(mnum);
479 		return (mdmderror(mdep, MDE_UNIT_ALREADY_SETUP, mnum));
485 		return (mdmderror(mdep, MDE_UNIT_TOO_LARGE, mnum));
497 		return (mddbstatus2error(mdep, recids[0], mnum, setno));
524 	MD_SID(un) = mnum;
549 		md_nblocks_set(mnum, -1ULL);
550 		MD_UNIT(mnum) = NULL;
569 	md_create_unit_incore(mnum, &sp_md_ops, 0);
593 	minor_t		mnum;
600 	mnum = migp->id;
606 	if ((MD_MIN2SET(mnum) >= md_nsets) || (MD_MIN2UNIT(mnum) >= md_nunits))
607 		return (mdmderror(mdep, MDE_INVAL_UNIT, mnum));
610 	if ((ui = MDI_UNIT(mnum)) == NULL) {
611 		return (mdmderror(mdep, MDE_UNIT_NOT_SETUP, mnum));
659 	minor_t		mnum = softp->mnum;
663 	set_t		setno = MD_MIN2SET(mnum);
668 	if ((un = sp_getun(mnum, &softp->mde)) == NULL) {
669 		return (mdmderror(&softp->mde, MDE_INVAL_UNIT, mnum));
674 		return (mdmderror(&softp->mde, MDE_IN_USE, mnum));
679 	ui = MDI_UNIT(mnum);
686 		return (mdmderror(&softp->mde, MDE_IS_OPEN, mnum));
701 	reset_sp(un, mnum, 1);
714 		md_upd_set_unnext(setno, MD_MIN2UNIT(mnum));
743 	minor_t		mnum;
760 	mnum = mgp->mnum;
762 	setno = MD_MIN2SET(mnum);
768 	if ((setno >= md_nsets) || (MD_MIN2UNIT(mnum) >= md_nunits))
769 		return (mdmderror(mdep, MDE_INVAL_UNIT, mnum));
771 		return (mdmddberror(mdep, MDE_DB_STALE, mnum, setno));
774 	ui = MDI_UNIT(mnum);
776 		return (mdmderror(mdep, MDE_UNIT_NOT_SETUP, mnum));
814 		rval = mdmderror(mdep, MDE_UNIT_TOO_LARGE, mnum);
825 		rval = mddbstatus2error(mdep, (int)recid, mnum, setno);
869 	md_nblocks_set(mnum, new_un->c.un_total_blocks);
870 	MD_UNIT(mnum) = new_un;
917 	minor_t			mnum;
926 	mnum = mgdp->mnum;
932 	if ((MD_MIN2SET(mnum) >= md_nsets) || (MD_MIN2UNIT(mnum) >= md_nunits))
933 		return (mdmderror(mdep, MDE_INVAL_UNIT, mnum));
935 	if ((ui = MDI_UNIT(mnum)) == NULL) {
936 		return (mdmderror(mdep, MDE_UNIT_NOT_SETUP, mnum));
974 	if ((un = sp_getun(p->mnum, &p->mde)) == NULL)
978 	setno = MD_MIN2SET(p->mnum);
982 	ui = MDI_UNIT(p->mnum);
1240 	minor_t		mnum = getminor(dev);
1246 	if (mnum == MD_ADM_MINOR)
1250 	if ((MD_MIN2SET(mnum) >= md_nsets) ||
1251 	    (MD_MIN2UNIT(mnum) >= md_nunits) ||
1252 	    ((ui = MDI_UNIT(mnum)) == NULL) ||
1253 	    ((un = MD_UNIT(mnum)) == NULL))
1276 		get_info(p, mnum);
1291 		get_minfo(&p, mnum);
1453 		return (md_dkiocgetefi(mnum, data, mode));
1461 		return (md_dkiocsetefi(mnum, data, mode));
1466 		return (md_dkiocpartition(mnum, data, mode));
1479 		if (!MD_MNSET_SETNO(MD_MIN2SET(mnum)))
1517 		if (!MD_MNSET_SETNO(MD_MIN2SET(mnum)))
1563 			err = mdmn_send_capability_message(mnum, vc, lockp);
1580 		if (!MD_MNSET_SETNO(MD_MIN2SET(mnum)))
1635 		err = sp_directed_read(mnum, vdr, mode);