fs/xfs/xfs_dquot.c

51 	struct xfs_dquot	*dqp)
53 	struct xfs_mount	*mp = dqp->q_mount;
55 	switch (dqp->q_type) {
76 	struct xfs_dquot	*dqp)
78 	ASSERT(list_empty(&dqp->q_lru));
80 	kvfree(dqp->q_logitem.qli_item.li_lv_shadow);
81 	mutex_destroy(&dqp->q_qlock);
83 	XFS_STATS_DEC(dqp->q_mount, xs_qm_dquot);
84 	kmem_cache_free(xfs_dquot_cache, dqp);
286 xfs_dquot_set_prealloc_limits(struct xfs_dquot *dqp)
290 	dqp->q_prealloc_hi_wmark = dqp->q_blk.hardlimit;
291 	dqp->q_prealloc_lo_wmark = dqp->q_blk.softlimit;
292 	if (!dqp->q_prealloc_lo_wmark) {
293 		dqp->q_prealloc_lo_wmark = dqp->q_prealloc_hi_wmark;
294 		do_div(dqp->q_prealloc_lo_wmark, 100);
295 		dqp->q_prealloc_lo_wmark *= 95;
298 	space = dqp->q_prealloc_hi_wmark;
301 	dqp->q_low_space[XFS_QLOWSP_1_PCNT] = space;
302 	dqp->q_low_space[XFS_QLOWSP_3_PCNT] = space * 3;
303 	dqp->q_low_space[XFS_QLOWSP_5_PCNT] = space * 5;
313 	struct xfs_dquot	*dqp,
318 	struct xfs_mount	*mp = dqp->q_mount;
320 	xfs_dqtype_t		qtype = xfs_dquot_type(dqp);
325 	trace_xfs_dqalloc(dqp);
335 	if (!xfs_this_quota_on(dqp->q_mount, qtype)) {
353 	error = xfs_bmapi_write(tp, quotip, dqp->q_fileoffset,
367 	dqp->q_blkno = XFS_FSB_TO_DADDR(mp, map.br_startblock);
370 	error = xfs_trans_get_buf(tp, mp->m_ddev_targp, dqp->q_blkno,
380 	xfs_qm_init_dquot_blk(tp, dqp->q_id, qtype, bp);
431 	struct xfs_dquot	*dqp,
436 	xfs_dqtype_t		qtype = xfs_dquot_type(dqp);
455 	error = xfs_bmapi_read(quotip, dqp->q_fileoffset,
467 	trace_xfs_dqtobp_read(dqp);
473 	dqp->q_blkno = XFS_FSB_TO_DADDR(mp, map.br_startblock);
475 	error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp, dqp->q_blkno,
479 		xfs_dquot_mark_sick(dqp);
499 	struct xfs_dquot	*dqp;
501 	dqp = kmem_cache_zalloc(xfs_dquot_cache, GFP_KERNEL | __GFP_NOFAIL);
503 	dqp->q_type = type;
504 	dqp->q_id = id;
505 	dqp->q_mount = mp;
506 	INIT_LIST_HEAD(&dqp->q_lru);
507 	mutex_init(&dqp->q_qlock);
508 	init_waitqueue_head(&dqp->q_pinwait);
509 	dqp->q_fileoffset = (xfs_fileoff_t)id / mp->m_quotainfo->qi_dqperchunk;
513 	dqp->q_bufoffset = (id % mp->m_quotainfo->qi_dqperchunk) *
521 	init_completion(&dqp->q_flush);
522 	complete(&dqp->q_flush);
533 		lockdep_set_class(&dqp->q_qlock, &xfs_dquot_group_class);
536 		lockdep_set_class(&dqp->q_qlock, &xfs_dquot_project_class);
543 	xfs_qm_dquot_logitem_init(dqp);
546 	return dqp;
552 	struct xfs_dquot	*dqp,
559 	dqp_type = xfs_dquot_type(dqp);
561 	if (be32_to_cpu(ddqp->d_id) != dqp->q_id)
569 	if (xfs_has_crc(dqp->q_mount) ||
570 	    dqp_type == XFS_DQTYPE_USER || dqp->q_id != 0)
588 	struct xfs_dquot	*dqp,
591 	struct xfs_dqblk	*dqb = xfs_buf_offset(bp, dqp->q_bufoffset);
598 	if (!xfs_dquot_check_type(dqp, ddqp)) {
601 			  __this_address, dqp->q_id);
603 		xfs_dquot_mark_sick(dqp);
608 	dqp->q_type = ddqp->d_type;
609 	dqp->q_blk.hardlimit = be64_to_cpu(ddqp->d_blk_hardlimit);
610 	dqp->q_blk.softlimit = be64_to_cpu(ddqp->d_blk_softlimit);
611 	dqp->q_ino.hardlimit = be64_to_cpu(ddqp->d_ino_hardlimit);
612 	dqp->q_ino.softlimit = be64_to_cpu(ddqp->d_ino_softlimit);
613 	dqp->q_rtb.hardlimit = be64_to_cpu(ddqp->d_rtb_hardlimit);
614 	dqp->q_rtb.softlimit = be64_to_cpu(ddqp->d_rtb_softlimit);
616 	dqp->q_blk.count = be64_to_cpu(ddqp->d_bcount);
617 	dqp->q_ino.count = be64_to_cpu(ddqp->d_icount);
618 	dqp->q_rtb.count = be64_to_cpu(ddqp->d_rtbcount);
620 	dqp->q_blk.timer = xfs_dquot_from_disk_ts(ddqp, ddqp->d_btimer);
621 	dqp->q_ino.timer = xfs_dquot_from_disk_ts(ddqp, ddqp->d_itimer);
622 	dqp->q_rtb.timer = xfs_dquot_from_disk_ts(ddqp, ddqp->d_rtbtimer);
628 	dqp->q_blk.reserved = dqp->q_blk.count;
629 	dqp->q_ino.reserved = dqp->q_ino.count;
630 	dqp->q_rtb.reserved = dqp->q_rtb.count;
633 	xfs_dquot_set_prealloc_limits(dqp);
641 	struct xfs_dquot	*dqp)
645 	ddqp->d_type = dqp->q_type;
646 	ddqp->d_id = cpu_to_be32(dqp->q_id);
650 	ddqp->d_blk_hardlimit = cpu_to_be64(dqp->q_blk.hardlimit);
651 	ddqp->d_blk_softlimit = cpu_to_be64(dqp->q_blk.softlimit);
652 	ddqp->d_ino_hardlimit = cpu_to_be64(dqp->q_ino.hardlimit);
653 	ddqp->d_ino_softlimit = cpu_to_be64(dqp->q_ino.softlimit);
654 	ddqp->d_rtb_hardlimit = cpu_to_be64(dqp->q_rtb.hardlimit);
655 	ddqp->d_rtb_softlimit = cpu_to_be64(dqp->q_rtb.softlimit);
657 	ddqp->d_bcount = cpu_to_be64(dqp->q_blk.count);
658 	ddqp->d_icount = cpu_to_be64(dqp->q_ino.count);
659 	ddqp->d_rtbcount = cpu_to_be64(dqp->q_rtb.count);
665 	ddqp->d_btimer = xfs_dquot_to_disk_ts(dqp, dqp->q_blk.timer);
666 	ddqp->d_itimer = xfs_dquot_to_disk_ts(dqp, dqp->q_ino.timer);
667 	ddqp->d_rtbtimer = xfs_dquot_to_disk_ts(dqp, dqp->q_rtb.timer);
683 	struct xfs_dquot	*dqp;
687 	dqp = xfs_dquot_alloc(mp, id, type);
688 	trace_xfs_dqread(dqp);
691 	error = xfs_dquot_disk_read(mp, dqp, &bp);
693 		error = xfs_dquot_disk_alloc(dqp, &bp);
704 	error = xfs_dquot_from_disk(dqp, bp);
709 	*dqpp = dqp;
713 	trace_xfs_dqread_fail(dqp);
714 	xfs_qm_dqdestroy(dqp);
781 	struct xfs_dquot	*dqp;
785 	dqp = radix_tree_lookup(tree, id);
786 	if (!dqp) {
792 	xfs_dqlock(dqp);
793 	if (dqp->q_flags & XFS_DQFLAG_FREEING) {
794 		xfs_dqunlock(dqp);
796 		trace_xfs_dqget_freeing(dqp);
801 	dqp->q_nrefs++;
804 	trace_xfs_dqget_hit(dqp);
806 	return dqp;
827 	struct xfs_dquot	*dqp)
834 	error = radix_tree_insert(tree, id, dqp);
837 		trace_xfs_dqget_dup(dqp);
842 	xfs_dqlock(dqp);
843 	dqp->q_nrefs = 1;
891 	struct xfs_dquot	*dqp;
899 	dqp = xfs_qm_dqget_cache_lookup(mp, qi, tree, id);
900 	if (dqp) {
901 		*O_dqpp = dqp;
905 	error = xfs_qm_dqread(mp, id, type, can_alloc, &dqp);
909 	error = xfs_qm_dqget_cache_insert(mp, qi, tree, id, dqp);
915 		xfs_qm_dqdestroy(dqp);
920 	trace_xfs_dqget_miss(dqp);
921 	*O_dqpp = dqp;
980 	struct xfs_dquot	*dqp;
994 	dqp = xfs_qm_dqget_cache_lookup(mp, qi, tree, id);
995 	if (dqp) {
996 		*O_dqpp = dqp;
1008 	error = xfs_qm_dqread(mp, id, type, can_alloc, &dqp);
1022 			xfs_qm_dqdestroy(dqp);
1023 			dqp = dqp1;
1024 			xfs_dqlock(dqp);
1029 		xfs_qm_dqdestroy(dqp);
1033 	error = xfs_qm_dqget_cache_insert(mp, qi, tree, id, dqp);
1039 		xfs_qm_dqdestroy(dqp);
1046 	trace_xfs_dqget_miss(dqp);
1047 	*O_dqpp = dqp;
1062 	struct xfs_dquot	*dqp;
1067 		error = xfs_qm_dqget(mp, id, type, false, &dqp);
1073 		if (!XFS_IS_DQUOT_UNINITIALIZED(dqp)) {
1074 			*dqpp = dqp;
1078 		xfs_qm_dqput(dqp);
1092 	struct xfs_dquot	*dqp)
1094 	ASSERT(dqp->q_nrefs > 0);
1095 	ASSERT(XFS_DQ_IS_LOCKED(dqp));
1097 	trace_xfs_dqput(dqp);
1099 	if (--dqp->q_nrefs == 0) {
1100 		struct xfs_quotainfo	*qi = dqp->q_mount->m_quotainfo;
1101 		trace_xfs_dqput_free(dqp);
1103 		if (list_lru_add_obj(&qi->qi_lru, &dqp->q_lru))
1104 			XFS_STATS_INC(dqp->q_mount, xs_qm_dquot_unused);
1106 	xfs_dqunlock(dqp);
1115 	struct xfs_dquot	*dqp)
1117 	if (!dqp)
1120 	trace_xfs_dqrele(dqp);
1122 	xfs_dqlock(dqp);
1129 	xfs_qm_dqput(dqp);
1144 	struct xfs_dquot	*dqp = qip->qli_dquot;
1174 	xfs_dqfunlock(dqp);
1204 	struct xfs_dquot	*dqp)
1206 	xfs_dqtype_t		type = xfs_dquot_type(dqp);
1213 	if (dqp->q_id == 0)
1216 	if (dqp->q_blk.softlimit && dqp->q_blk.count > dqp->q_blk.softlimit &&
1217 	    !dqp->q_blk.timer)
1220 	if (dqp->q_ino.softlimit && dqp->q_ino.count > dqp->q_ino.softlimit &&
1221 	    !dqp->q_ino.timer)
1224 	if (dqp->q_rtb.softlimit && dqp->q_rtb.count > dqp->q_rtb.softlimit &&
1225 	    !dqp->q_rtb.timer)
1229 	if (dqp->q_type & XFS_DQTYPE_BIGTIME) {
1230 		if (!xfs_has_bigtime(dqp->q_mount))
1232 		if (dqp->q_id == 0)
1249 	struct xfs_dquot	*dqp,
1252 	struct xfs_mount	*mp = dqp->q_mount;
1253 	struct xfs_log_item	*lip = &dqp->q_logitem.qli_item;
1259 	ASSERT(XFS_DQ_IS_LOCKED(dqp));
1260 	ASSERT(!completion_done(&dqp->q_flush));
1262 	trace_xfs_dqflush(dqp);
1266 	xfs_qm_dqunpin_wait(dqp);
1271 	error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp, dqp->q_blkno,
1277 		xfs_dquot_mark_sick(dqp);
1281 	fa = xfs_qm_dqflush_check(dqp);
1284 				dqp->q_id, fa);
1286 		xfs_dquot_mark_sick(dqp);
1292 	dqblk = xfs_buf_offset(bp, dqp->q_bufoffset);
1293 	xfs_dquot_to_disk(&dqblk->dd_diskdq, dqp);
1298 	dqp->q_flags &= ~XFS_DQFLAG_DIRTY;
1300 	xfs_trans_ail_copy_lsn(mp->m_ail, &dqp->q_logitem.qli_flush_lsn,
1301 					&dqp->q_logitem.qli_item.li_lsn);
1313 		dqblk->dd_lsn = cpu_to_be64(dqp->q_logitem.qli_item.li_lsn);
1323 	list_add_tail(&dqp->q_logitem.qli_item.li_bio_list, &bp->b_li_list);
1330 		trace_xfs_dqflush_force(dqp);
1334 	trace_xfs_dqflush_done(dqp);
1339 	dqp->q_flags &= ~XFS_DQFLAG_DIRTY;
1343 	xfs_dqfunlock(dqp);