fs/xfs/xfs_dquot.c

51 	struct xfs_dquot	*dqp)
53 	struct xfs_mount	*mp = dqp->q_mount;
55 	switch (dqp->q_type) {
78 	struct xfs_dquot	*dqp)
80 	struct xfs_dq_logitem	*qlip = &dqp->q_logitem;
101 	struct xfs_dquot	*dqp)
103 	ASSERT(list_empty(&dqp->q_lru));
104 	ASSERT(dqp->q_logitem.qli_item.li_buf == NULL);
106 	kvfree(dqp->q_logitem.qli_item.li_lv_shadow);
107 	mutex_destroy(&dqp->q_qlock);
109 	XFS_STATS_DEC(dqp->q_mount, xs_qm_dquot);
110 	kmem_cache_free(xfs_dquot_cache, dqp);
331 xfs_dquot_set_prealloc_limits(struct xfs_dquot *dqp)
333 	xfs_dquot_set_prealloc(&dqp->q_blk_prealloc, &dqp->q_blk);
334 	xfs_dquot_set_prealloc(&dqp->q_rtb_prealloc, &dqp->q_rtb);
344 	struct xfs_dquot	*dqp,
349 	struct xfs_mount	*mp = dqp->q_mount;
351 	xfs_dqtype_t		qtype = xfs_dquot_type(dqp);
356 	trace_xfs_dqalloc(dqp);
366 	if (!xfs_this_quota_on(dqp->q_mount, qtype)) {
381 	error = xfs_bmapi_write(tp, quotip, dqp->q_fileoffset,
394 	dqp->q_blkno = XFS_FSB_TO_DADDR(mp, map.br_startblock);
397 	error = xfs_trans_get_buf(tp, mp->m_ddev_targp, dqp->q_blkno,
407 	xfs_qm_init_dquot_blk(tp, dqp->q_id, qtype, bp);
458 	struct xfs_dquot	*dqp,
463 	xfs_dqtype_t		qtype = xfs_dquot_type(dqp);
482 	error = xfs_bmapi_read(quotip, dqp->q_fileoffset,
494 	trace_xfs_dqtobp_read(dqp);
500 	dqp->q_blkno = XFS_FSB_TO_DADDR(mp, map.br_startblock);
502 	error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp, dqp->q_blkno,
506 		xfs_dquot_mark_sick(dqp);
526 	struct xfs_dquot	*dqp;
528 	dqp = kmem_cache_zalloc(xfs_dquot_cache, GFP_KERNEL | __GFP_NOFAIL);
530 	dqp->q_type = type;
531 	dqp->q_id = id;
532 	dqp->q_mount = mp;
533 	INIT_LIST_HEAD(&dqp->q_lru);
534 	mutex_init(&dqp->q_qlock);
535 	init_waitqueue_head(&dqp->q_pinwait);
536 	dqp->q_fileoffset = (xfs_fileoff_t)id / mp->m_quotainfo->qi_dqperchunk;
540 	dqp->q_bufoffset = (id % mp->m_quotainfo->qi_dqperchunk) *
548 	init_completion(&dqp->q_flush);
549 	complete(&dqp->q_flush);
560 		lockdep_set_class(&dqp->q_qlock, &xfs_dquot_group_class);
563 		lockdep_set_class(&dqp->q_qlock, &xfs_dquot_project_class);
570 	xfs_qm_dquot_logitem_init(dqp);
573 	return dqp;
579 	struct xfs_dquot	*dqp,
586 	dqp_type = xfs_dquot_type(dqp);
588 	if (be32_to_cpu(ddqp->d_id) != dqp->q_id)
596 	if (xfs_has_crc(dqp->q_mount) ||
597 	    dqp_type == XFS_DQTYPE_USER || dqp->q_id != 0)
615 	struct xfs_dquot	*dqp,
618 	struct xfs_dqblk	*dqb = xfs_buf_offset(bp, dqp->q_bufoffset);
625 	if (!xfs_dquot_check_type(dqp, ddqp)) {
628 			  __this_address, dqp->q_id);
630 		xfs_dquot_mark_sick(dqp);
635 	dqp->q_type = ddqp->d_type;
636 	dqp->q_blk.hardlimit = be64_to_cpu(ddqp->d_blk_hardlimit);
637 	dqp->q_blk.softlimit = be64_to_cpu(ddqp->d_blk_softlimit);
638 	dqp->q_ino.hardlimit = be64_to_cpu(ddqp->d_ino_hardlimit);
639 	dqp->q_ino.softlimit = be64_to_cpu(ddqp->d_ino_softlimit);
640 	dqp->q_rtb.hardlimit = be64_to_cpu(ddqp->d_rtb_hardlimit);
641 	dqp->q_rtb.softlimit = be64_to_cpu(ddqp->d_rtb_softlimit);
643 	dqp->q_blk.count = be64_to_cpu(ddqp->d_bcount);
644 	dqp->q_ino.count = be64_to_cpu(ddqp->d_icount);
645 	dqp->q_rtb.count = be64_to_cpu(ddqp->d_rtbcount);
647 	dqp->q_blk.timer = xfs_dquot_from_disk_ts(ddqp, ddqp->d_btimer);
648 	dqp->q_ino.timer = xfs_dquot_from_disk_ts(ddqp, ddqp->d_itimer);
649 	dqp->q_rtb.timer = xfs_dquot_from_disk_ts(ddqp, ddqp->d_rtbtimer);
655 	dqp->q_blk.reserved = dqp->q_blk.count;
656 	dqp->q_ino.reserved = dqp->q_ino.count;
657 	dqp->q_rtb.reserved = dqp->q_rtb.count;
660 	xfs_dquot_set_prealloc_limits(dqp);
668 	struct xfs_dquot	*dqp)
672 	ddqp->d_type = dqp->q_type;
673 	ddqp->d_id = cpu_to_be32(dqp->q_id);
677 	ddqp->d_blk_hardlimit = cpu_to_be64(dqp->q_blk.hardlimit);
678 	ddqp->d_blk_softlimit = cpu_to_be64(dqp->q_blk.softlimit);
679 	ddqp->d_ino_hardlimit = cpu_to_be64(dqp->q_ino.hardlimit);
680 	ddqp->d_ino_softlimit = cpu_to_be64(dqp->q_ino.softlimit);
681 	ddqp->d_rtb_hardlimit = cpu_to_be64(dqp->q_rtb.hardlimit);
682 	ddqp->d_rtb_softlimit = cpu_to_be64(dqp->q_rtb.softlimit);
684 	ddqp->d_bcount = cpu_to_be64(dqp->q_blk.count);
685 	ddqp->d_icount = cpu_to_be64(dqp->q_ino.count);
686 	ddqp->d_rtbcount = cpu_to_be64(dqp->q_rtb.count);
692 	ddqp->d_btimer = xfs_dquot_to_disk_ts(dqp, dqp->q_blk.timer);
693 	ddqp->d_itimer = xfs_dquot_to_disk_ts(dqp, dqp->q_ino.timer);
694 	ddqp->d_rtbtimer = xfs_dquot_to_disk_ts(dqp, dqp->q_rtb.timer);
710 	struct xfs_dquot	*dqp;
714 	dqp = xfs_dquot_alloc(mp, id, type);
715 	trace_xfs_dqread(dqp);
718 	error = xfs_dquot_disk_read(mp, dqp, &bp);
720 		error = xfs_dquot_disk_alloc(dqp, &bp);
731 	error = xfs_dquot_from_disk(dqp, bp);
736 	*dqpp = dqp;
740 	trace_xfs_dqread_fail(dqp);
741 	xfs_qm_dqdestroy(dqp);
808 	struct xfs_dquot	*dqp;
812 	dqp = radix_tree_lookup(tree, id);
813 	if (!dqp) {
819 	xfs_dqlock(dqp);
820 	if (dqp->q_flags & XFS_DQFLAG_FREEING) {
821 		xfs_dqunlock(dqp);
823 		trace_xfs_dqget_freeing(dqp);
828 	dqp->q_nrefs++;
831 	trace_xfs_dqget_hit(dqp);
833 	return dqp;
854 	struct xfs_dquot	*dqp)
861 	error = radix_tree_insert(tree, id, dqp);
864 		trace_xfs_dqget_dup(dqp);
869 	xfs_dqlock(dqp);
870 	dqp->q_nrefs = 1;
918 	struct xfs_dquot	*dqp;
926 	dqp = xfs_qm_dqget_cache_lookup(mp, qi, tree, id);
927 	if (dqp) {
928 		*O_dqpp = dqp;
932 	error = xfs_qm_dqread(mp, id, type, can_alloc, &dqp);
936 	error = xfs_qm_dqget_cache_insert(mp, qi, tree, id, dqp);
942 		xfs_qm_dqdestroy(dqp);
947 	trace_xfs_dqget_miss(dqp);
948 	*O_dqpp = dqp;
1007 	struct xfs_dquot	*dqp;
1022 	dqp = xfs_qm_dqget_cache_lookup(mp, qi, tree, id);
1023 	if (dqp) {
1024 		*O_dqpp = dqp;
1036 	error = xfs_qm_dqread(mp, id, type, can_alloc, &dqp);
1050 			xfs_qm_dqdestroy(dqp);
1051 			dqp = dqp1;
1052 			xfs_dqlock(dqp);
1057 		xfs_qm_dqdestroy(dqp);
1061 	error = xfs_qm_dqget_cache_insert(mp, qi, tree, id, dqp);
1067 		xfs_qm_dqdestroy(dqp);
1074 	trace_xfs_dqget_miss(dqp);
1075 	*O_dqpp = dqp;
1090 	struct xfs_dquot	*dqp;
1095 		error = xfs_qm_dqget(mp, id, type, false, &dqp);
1101 		if (!XFS_IS_DQUOT_UNINITIALIZED(dqp)) {
1102 			*dqpp = dqp;
1106 		xfs_qm_dqput(dqp);
1120 	struct xfs_dquot	*dqp)
1122 	ASSERT(dqp->q_nrefs > 0);
1123 	ASSERT(XFS_DQ_IS_LOCKED(dqp));
1125 	trace_xfs_dqput(dqp);
1127 	if (--dqp->q_nrefs == 0) {
1128 		struct xfs_quotainfo	*qi = dqp->q_mount->m_quotainfo;
1129 		trace_xfs_dqput_free(dqp);
1131 		if (list_lru_add_obj(&qi->qi_lru, &dqp->q_lru))
1132 			XFS_STATS_INC(dqp->q_mount, xs_qm_dquot_unused);
1134 	xfs_dqunlock(dqp);
1143 	struct xfs_dquot	*dqp)
1145 	if (!dqp)
1148 	trace_xfs_dqrele(dqp);
1150 	xfs_dqlock(dqp);
1157 	xfs_qm_dqput(dqp);
1173 	struct xfs_dquot	*dqp = qlip->qli_dquot;
1217 	xfs_dqfunlock(dqp);
1235 	struct xfs_dquot	*dqp)
1237 	xfs_dqtype_t		type = xfs_dquot_type(dqp);
1244 	if (dqp->q_id == 0)
1247 	if (dqp->q_blk.softlimit && dqp->q_blk.count > dqp->q_blk.softlimit &&
1248 	    !dqp->q_blk.timer)
1251 	if (dqp->q_ino.softlimit && dqp->q_ino.count > dqp->q_ino.softlimit &&
1252 	    !dqp->q_ino.timer)
1255 	if (dqp->q_rtb.softlimit && dqp->q_rtb.count > dqp->q_rtb.softlimit &&
1256 	    !dqp->q_rtb.timer)
1260 	if (dqp->q_type & XFS_DQTYPE_BIGTIME) {
1261 		if (!xfs_has_bigtime(dqp->q_mount))
1263 		if (dqp->q_id == 0)
1279 	struct xfs_dquot	*dqp,
1282 	struct xfs_mount	*mp = dqp->q_mount;
1286 	error = xfs_trans_read_buf(mp, tp, mp->m_ddev_targp, dqp->q_blkno,
1290 		xfs_dquot_mark_sick(dqp);
1298 	dqp->q_flags &= ~XFS_DQFLAG_DIRTY;
1299 	xfs_trans_ail_delete(&dqp->q_logitem.qli_item, 0);
1312 	struct xfs_dquot	*dqp)
1314 	struct xfs_dq_logitem	*qlip = &dqp->q_logitem;
1323 		error = xfs_dquot_read_buf(tp, dqp, &bp);
1354 	struct xfs_dquot	*dqp,
1357 	struct xfs_buf		*bp = dqp->q_logitem.qli_item.li_buf;
1365 		ASSERT(xfs_is_shutdown(dqp->q_mount));
1389 	struct xfs_dquot	*dqp,
1392 	struct xfs_mount	*mp = dqp->q_mount;
1393 	struct xfs_dq_logitem	*qlip = &dqp->q_logitem;
1399 	ASSERT(XFS_DQ_IS_LOCKED(dqp));
1400 	ASSERT(!completion_done(&dqp->q_flush));
1401 	ASSERT(atomic_read(&dqp->q_pincount) == 0);
1403 	trace_xfs_dqflush(dqp);
1404 	fa = xfs_qm_dqflush_check(dqp);
1407 				dqp->q_id, fa);
1408 		xfs_dquot_mark_sick(dqp);
1414 	dqblk = xfs_buf_offset(bp, dqp->q_bufoffset);
1415 	xfs_dquot_to_disk(&dqblk->dd_diskdq, dqp);
1420 	dqp->q_flags &= ~XFS_DQFLAG_DIRTY;
1459 		trace_xfs_dqflush_force(dqp);
1463 	trace_xfs_dqflush_done(dqp);
1467 	dqp->q_flags &= ~XFS_DQFLAG_DIRTY;
1470 	xfs_dqfunlock(dqp);