fs/xfs/xfs_qm.c

41 STATIC void	xfs_qm_dqfree_one(struct xfs_dquot *dqp);
55 	int			(*execute)(struct xfs_dquot *dqp, void *data),
84 			struct xfs_dquot *dqp = batch[i];
86 			next_index = dqp->q_id + 1;
123 	struct xfs_dquot	*dqp,
126 	struct xfs_quotainfo	*qi = dqp->q_mount->m_quotainfo;
129 	xfs_dqlock(dqp);
130 	if ((dqp->q_flags & XFS_DQFLAG_FREEING) || dqp->q_nrefs != 0)
133 	dqp->q_flags |= XFS_DQFLAG_FREEING;
135 	xfs_dqflock(dqp);
142 	if (XFS_DQ_IS_DIRTY(dqp)) {
149 		error = xfs_qm_dqflush(dqp, &bp);
154 			dqp->q_flags &= ~XFS_DQFLAG_FREEING;
157 		xfs_dqflock(dqp);
160 	ASSERT(atomic_read(&dqp->q_pincount) == 0);
161 	ASSERT(xlog_is_shutdown(dqp->q_logitem.qli_item.li_log) ||
162 		!test_bit(XFS_LI_IN_AIL, &dqp->q_logitem.qli_item.li_flags));
164 	xfs_dqfunlock(dqp);
165 	xfs_dqunlock(dqp);
167 	radix_tree_delete(xfs_dquot_tree(qi, xfs_dquot_type(dqp)), dqp->q_id);
174 	ASSERT(!list_empty(&dqp->q_lru));
175 	list_lru_del_obj(&qi->qi_lru, &dqp->q_lru);
176 	XFS_STATS_DEC(dqp->q_mount, xs_qm_dquot_unused);
178 	xfs_qm_dqdestroy(dqp);
182 	xfs_dqunlock(dqp);
255 	struct xfs_dquot	*dqp;
266 	dqp = *IO_idqpp;
267 	if (dqp) {
268 		trace_xfs_dqattach_found(dqp);
278 	error = xfs_qm_dqget_inode(ip, type, doalloc, &dqp);
282 	trace_xfs_dqattach_get(dqp);
288 	*IO_idqpp = dqp;
289 	xfs_dqunlock(dqp);
419 	struct xfs_dquot	*dqp = container_of(item,
423 	if (!xfs_dqlock_nowait(dqp))
431 	if (dqp->q_flags & XFS_DQFLAG_FREEING)
438 	if (dqp->q_nrefs) {
439 		xfs_dqunlock(dqp);
440 		XFS_STATS_INC(dqp->q_mount, xs_qm_dqwants);
442 		trace_xfs_dqreclaim_want(dqp);
443 		list_lru_isolate(lru, &dqp->q_lru);
444 		XFS_STATS_DEC(dqp->q_mount, xs_qm_dquot_unused);
453 	if (!xfs_dqflock_nowait(dqp))
456 	if (XFS_DQ_IS_DIRTY(dqp)) {
460 		trace_xfs_dqreclaim_dirty(dqp);
465 		error = xfs_qm_dqflush(dqp, &bp);
473 	xfs_dqfunlock(dqp);
478 	dqp->q_flags |= XFS_DQFLAG_FREEING;
479 	xfs_dqunlock(dqp);
481 	ASSERT(dqp->q_nrefs == 0);
482 	list_lru_isolate_move(lru, &dqp->q_lru, &isol->dispose);
483 	XFS_STATS_DEC(dqp->q_mount, xs_qm_dquot_unused);
484 	trace_xfs_dqreclaim_done(dqp);
485 	XFS_STATS_INC(dqp->q_mount, xs_qm_dqreclaims);
489 	xfs_dqunlock(dqp);
491 	trace_xfs_dqreclaim_busy(dqp);
492 	XFS_STATS_INC(dqp->q_mount, xs_qm_dqreclaim_misses);
496 	trace_xfs_dqreclaim_busy(dqp);
497 	XFS_STATS_INC(dqp->q_mount, xs_qm_dqreclaim_misses);
498 	xfs_dqunlock(dqp);
527 		struct xfs_dquot	*dqp;
529 		dqp = list_first_entry(&isol.dispose, struct xfs_dquot, q_lru);
530 		list_del_init(&dqp->q_lru);
531 		xfs_qm_dqfree_one(dqp);
553 	struct xfs_dquot	*dqp;
557 	error = xfs_qm_dqget_uncached(mp, 0, type, &dqp);
561 	defq = xfs_get_defquota(qinf, xfs_dquot_type(dqp));
567 	defq->blk.hard = dqp->q_blk.hardlimit;
568 	defq->blk.soft = dqp->q_blk.softlimit;
569 	defq->ino.hard = dqp->q_ino.hardlimit;
570 	defq->ino.soft = dqp->q_ino.softlimit;
571 	defq->rtb.hard = dqp->q_rtb.hardlimit;
572 	defq->rtb.soft = dqp->q_rtb.softlimit;
573 	xfs_qm_dqdestroy(dqp);
584 	struct xfs_dquot	*dqp;
600 	error = xfs_qm_dqget_uncached(mp, 0, type, &dqp);
609 	if (dqp->q_blk.timer)
610 		defq->blk.time = dqp->q_blk.timer;
611 	if (dqp->q_ino.timer)
612 		defq->ino.time = dqp->q_ino.timer;
613 	if (dqp->q_rtb.timer)
614 		defq->rtb.time = dqp->q_rtb.timer;
616 	xfs_qm_dqdestroy(dqp);
1091 	struct xfs_dquot	*dqp;
1096 	error = xfs_qm_dqget(mp, id, type, true, &dqp);
1106 	trace_xfs_dqadjust(dqp);
1112 	dqp->q_ino.count++;
1113 	dqp->q_ino.reserved++;
1115 		dqp->q_blk.count += nblks;
1116 		dqp->q_blk.reserved += nblks;
1119 		dqp->q_rtb.count += rtblks;
1120 		dqp->q_rtb.reserved += rtblks;
1128 	if (dqp->q_id) {
1129 		xfs_qm_adjust_dqlimits(dqp);
1130 		xfs_qm_adjust_dqtimers(dqp);
1133 	dqp->q_flags |= XFS_DQFLAG_DIRTY;
1134 	xfs_qm_dqput(dqp);
1242 	struct xfs_dquot	*dqp,
1245 	struct xfs_mount	*mp = dqp->q_mount;
1250 	xfs_dqlock(dqp);
1251 	if (dqp->q_flags & XFS_DQFLAG_FREEING)
1253 	if (!XFS_DQ_IS_DIRTY(dqp))
1264 	if (!xfs_dqflock_nowait(dqp)) {
1266 		error = xfs_buf_incore(mp->m_ddev_targp, dqp->q_blkno,
1285 	error = xfs_qm_dqflush(dqp, &bp);
1292 	xfs_dqunlock(dqp);
1649 	struct xfs_dquot	*dqp)
1651 	struct xfs_mount	*mp = dqp->q_mount;
1655 	radix_tree_delete(xfs_dquot_tree(qi, xfs_dquot_type(dqp)), dqp->q_id);
1660 	xfs_qm_dqdestroy(dqp);
1944 	struct xfs_dquot	*dqp;
1948 	dqp = xfs_inode_dquot(ip, type);
1949 	if (!dqp || !xfs_dquot_is_enforced(dqp))
1952 	if (xfs_dquot_res_over_limits(&dqp->q_ino) ||
1953 	    xfs_dquot_res_over_limits(&dqp->q_rtb))
1957 	if (!dqp->q_prealloc_hi_wmark)
1960 	if (dqp->q_blk.reserved < dqp->q_prealloc_lo_wmark)
1963 	if (dqp->q_blk.reserved >= dqp->q_prealloc_hi_wmark)
1966 	freesp = dqp->q_prealloc_hi_wmark - dqp->q_blk.reserved;
1967 	if (freesp < dqp->q_low_space[XFS_QLOWSP_5_PCNT])