62 	xfs_trans_t     *tp;  in xfs_trans_alloc()  local
65 	tp = _xfs_trans_alloc(mp, type, KM_SLEEP);  in xfs_trans_alloc()
66 	tp->t_flags |= XFS_TRANS_FREEZE_PROT;  in xfs_trans_alloc()
67 	return tp;  in xfs_trans_alloc()
76 	xfs_trans_t	*tp;  in _xfs_trans_alloc()  local
81 	tp = kmem_zone_zalloc(xfs_trans_zone, memflags);  in _xfs_trans_alloc()
82 	tp->t_magic = XFS_TRANS_HEADER_MAGIC;  in _xfs_trans_alloc()
83 	tp->t_type = type;  in _xfs_trans_alloc()
84 	tp->t_mountp = mp;  in _xfs_trans_alloc()
85 	INIT_LIST_HEAD(&tp->t_items);  in _xfs_trans_alloc()
86 	INIT_LIST_HEAD(&tp->t_busy);  in _xfs_trans_alloc()
87 	return tp;  in _xfs_trans_alloc()
96 	struct xfs_trans	*tp)  in xfs_trans_free()  argument
98 	xfs_extent_busy_sort(&tp->t_busy);  in xfs_trans_free()
99 	xfs_extent_busy_clear(tp->t_mountp, &tp->t_busy, false);  in xfs_trans_free()
101 	atomic_dec(&tp->t_mountp->m_active_trans);  in xfs_trans_free()
102 	if (tp->t_flags & XFS_TRANS_FREEZE_PROT)  in xfs_trans_free()
103 		sb_end_intwrite(tp->t_mountp->m_super);  in xfs_trans_free()
104 	xfs_trans_free_dqinfo(tp);  in xfs_trans_free()
105 	kmem_zone_free(xfs_trans_zone, tp);  in xfs_trans_free()
118 	xfs_trans_t	*tp)  in xfs_trans_dup()  argument
128 	ntp->t_type = tp->t_type;  in xfs_trans_dup()
129 	ntp->t_mountp = tp->t_mountp;  in xfs_trans_dup()
133 	ASSERT(tp->t_flags & XFS_TRANS_PERM_LOG_RES);  in xfs_trans_dup()
134 	ASSERT(tp->t_ticket != NULL);  in xfs_trans_dup()
137 		       (tp->t_flags & XFS_TRANS_RESERVE) |  in xfs_trans_dup()
138 		       (tp->t_flags & XFS_TRANS_FREEZE_PROT);  in xfs_trans_dup()
140 	tp->t_flags &= ~XFS_TRANS_FREEZE_PROT;  in xfs_trans_dup()
141 	ntp->t_ticket = xfs_log_ticket_get(tp->t_ticket);  in xfs_trans_dup()
142 	ntp->t_blk_res = tp->t_blk_res - tp->t_blk_res_used;  in xfs_trans_dup()
143 	tp->t_blk_res = tp->t_blk_res_used;  in xfs_trans_dup()
144 	ntp->t_rtx_res = tp->t_rtx_res - tp->t_rtx_res_used;  in xfs_trans_dup()
145 	tp->t_rtx_res = tp->t_rtx_res_used;  in xfs_trans_dup()
146 	ntp->t_pflags = tp->t_pflags;  in xfs_trans_dup()
148 	xfs_trans_dup_dqinfo(tp, ntp);  in xfs_trans_dup()
150 	atomic_inc(&tp->t_mountp->m_active_trans);  in xfs_trans_dup()
170 	struct xfs_trans	*tp,  in xfs_trans_reserve()  argument
176 	bool		rsvd = (tp->t_flags & XFS_TRANS_RESERVE) != 0;  in xfs_trans_reserve()
179 	current_set_flags_nested(&tp->t_pflags, PF_FSTRANS);  in xfs_trans_reserve()
187 		error = xfs_mod_fdblocks(tp->t_mountp, -((int64_t)blocks), rsvd);  in xfs_trans_reserve()
189 			current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS);  in xfs_trans_reserve()
192 		tp->t_blk_res += blocks;  in xfs_trans_reserve()
201 		ASSERT(tp->t_log_res == 0 ||  in xfs_trans_reserve()
202 		       tp->t_log_res == resp->tr_logres);  in xfs_trans_reserve()
203 		ASSERT(tp->t_log_count == 0 ||  in xfs_trans_reserve()
204 		       tp->t_log_count == resp->tr_logcount);  in xfs_trans_reserve()
207 			tp->t_flags |= XFS_TRANS_PERM_LOG_RES;  in xfs_trans_reserve()
210 			ASSERT(tp->t_ticket == NULL);  in xfs_trans_reserve()
211 			ASSERT(!(tp->t_flags & XFS_TRANS_PERM_LOG_RES));  in xfs_trans_reserve()
214 		if (tp->t_ticket != NULL) {  in xfs_trans_reserve()
216 			error = xfs_log_regrant(tp->t_mountp, tp->t_ticket);  in xfs_trans_reserve()
218 			error = xfs_log_reserve(tp->t_mountp,  in xfs_trans_reserve()
221 						&tp->t_ticket, XFS_TRANSACTION,  in xfs_trans_reserve()
222 						permanent, tp->t_type);  in xfs_trans_reserve()
228 		tp->t_log_res = resp->tr_logres;  in xfs_trans_reserve()
229 		tp->t_log_count = resp->tr_logcount;  in xfs_trans_reserve()
238 		error = xfs_mod_frextents(tp->t_mountp, -((int64_t)rtextents));  in xfs_trans_reserve()
243 		tp->t_rtx_res += rtextents;  in xfs_trans_reserve()
261 		xfs_log_done(tp->t_mountp, tp->t_ticket, NULL, log_flags);  in xfs_trans_reserve()
262 		tp->t_ticket = NULL;  in xfs_trans_reserve()
263 		tp->t_log_res = 0;  in xfs_trans_reserve()
264 		tp->t_flags &= ~XFS_TRANS_PERM_LOG_RES;  in xfs_trans_reserve()
269 		xfs_mod_fdblocks(tp->t_mountp, -((int64_t)blocks), rsvd);  in xfs_trans_reserve()
270 		tp->t_blk_res = 0;  in xfs_trans_reserve()
273 	current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS);  in xfs_trans_reserve()
296 	xfs_trans_t	*tp,  in xfs_trans_mod_sb()  argument
301 	xfs_mount_t	*mp = tp->t_mountp;  in xfs_trans_mod_sb()
305 		tp->t_icount_delta += delta;  in xfs_trans_mod_sb()
310 		tp->t_ifree_delta += delta;  in xfs_trans_mod_sb()
321 			tp->t_blk_res_used += (uint)-delta;  in xfs_trans_mod_sb()
322 			ASSERT(tp->t_blk_res_used <= tp->t_blk_res);  in xfs_trans_mod_sb()
324 		tp->t_fdblocks_delta += delta;  in xfs_trans_mod_sb()
335 		tp->t_res_fdblocks_delta += delta;  in xfs_trans_mod_sb()
346 			tp->t_rtx_res_used += (uint)-delta;  in xfs_trans_mod_sb()
347 			ASSERT(tp->t_rtx_res_used <= tp->t_rtx_res);  in xfs_trans_mod_sb()
349 		tp->t_frextents_delta += delta;  in xfs_trans_mod_sb()
358 		tp->t_res_frextents_delta += delta;  in xfs_trans_mod_sb()
362 		tp->t_dblocks_delta += delta;  in xfs_trans_mod_sb()
366 		tp->t_agcount_delta += delta;  in xfs_trans_mod_sb()
369 		tp->t_imaxpct_delta += delta;  in xfs_trans_mod_sb()
372 		tp->t_rextsize_delta += delta;  in xfs_trans_mod_sb()
375 		tp->t_rbmblocks_delta += delta;  in xfs_trans_mod_sb()
378 		tp->t_rblocks_delta += delta;  in xfs_trans_mod_sb()
381 		tp->t_rextents_delta += delta;  in xfs_trans_mod_sb()
384 		tp->t_rextslog_delta += delta;  in xfs_trans_mod_sb()
391 	tp->t_flags |= flags;  in xfs_trans_mod_sb()
404 	xfs_trans_t	*tp)  in xfs_trans_apply_sb_deltas()  argument
410 	bp = xfs_trans_getsb(tp, tp->t_mountp, 0);  in xfs_trans_apply_sb_deltas()
416 	ASSERT((tp->t_fdblocks_delta + tp->t_res_fdblocks_delta) ==  in xfs_trans_apply_sb_deltas()
417 	       (tp->t_ag_freeblks_delta + tp->t_ag_flist_delta +  in xfs_trans_apply_sb_deltas()
418 		tp->t_ag_btree_delta));  in xfs_trans_apply_sb_deltas()
423 	if (!xfs_sb_version_haslazysbcount(&(tp->t_mountp->m_sb))) {  in xfs_trans_apply_sb_deltas()
424 		if (tp->t_icount_delta)  in xfs_trans_apply_sb_deltas()
425 			be64_add_cpu(&sbp->sb_icount, tp->t_icount_delta);  in xfs_trans_apply_sb_deltas()
426 		if (tp->t_ifree_delta)  in xfs_trans_apply_sb_deltas()
427 			be64_add_cpu(&sbp->sb_ifree, tp->t_ifree_delta);  in xfs_trans_apply_sb_deltas()
428 		if (tp->t_fdblocks_delta)  in xfs_trans_apply_sb_deltas()
429 			be64_add_cpu(&sbp->sb_fdblocks, tp->t_fdblocks_delta);  in xfs_trans_apply_sb_deltas()
430 		if (tp->t_res_fdblocks_delta)  in xfs_trans_apply_sb_deltas()
431 			be64_add_cpu(&sbp->sb_fdblocks, tp->t_res_fdblocks_delta);  in xfs_trans_apply_sb_deltas()
434 	if (tp->t_frextents_delta)  in xfs_trans_apply_sb_deltas()
435 		be64_add_cpu(&sbp->sb_frextents, tp->t_frextents_delta);  in xfs_trans_apply_sb_deltas()
436 	if (tp->t_res_frextents_delta)  in xfs_trans_apply_sb_deltas()
437 		be64_add_cpu(&sbp->sb_frextents, tp->t_res_frextents_delta);  in xfs_trans_apply_sb_deltas()
439 	if (tp->t_dblocks_delta) {  in xfs_trans_apply_sb_deltas()
440 		be64_add_cpu(&sbp->sb_dblocks, tp->t_dblocks_delta);  in xfs_trans_apply_sb_deltas()
443 	if (tp->t_agcount_delta) {  in xfs_trans_apply_sb_deltas()
444 		be32_add_cpu(&sbp->sb_agcount, tp->t_agcount_delta);  in xfs_trans_apply_sb_deltas()
447 	if (tp->t_imaxpct_delta) {  in xfs_trans_apply_sb_deltas()
448 		sbp->sb_imax_pct += tp->t_imaxpct_delta;  in xfs_trans_apply_sb_deltas()
451 	if (tp->t_rextsize_delta) {  in xfs_trans_apply_sb_deltas()
452 		be32_add_cpu(&sbp->sb_rextsize, tp->t_rextsize_delta);  in xfs_trans_apply_sb_deltas()
455 	if (tp->t_rbmblocks_delta) {  in xfs_trans_apply_sb_deltas()
456 		be32_add_cpu(&sbp->sb_rbmblocks, tp->t_rbmblocks_delta);  in xfs_trans_apply_sb_deltas()
459 	if (tp->t_rblocks_delta) {  in xfs_trans_apply_sb_deltas()
460 		be64_add_cpu(&sbp->sb_rblocks, tp->t_rblocks_delta);  in xfs_trans_apply_sb_deltas()
463 	if (tp->t_rextents_delta) {  in xfs_trans_apply_sb_deltas()
464 		be64_add_cpu(&sbp->sb_rextents, tp->t_rextents_delta);  in xfs_trans_apply_sb_deltas()
467 	if (tp->t_rextslog_delta) {  in xfs_trans_apply_sb_deltas()
468 		sbp->sb_rextslog += tp->t_rextslog_delta;  in xfs_trans_apply_sb_deltas()
472 	xfs_trans_buf_set_type(tp, bp, XFS_BLFT_SB_BUF);  in xfs_trans_apply_sb_deltas()
477 		xfs_trans_log_buf(tp, bp, 0, sizeof(xfs_dsb_t) - 1);  in xfs_trans_apply_sb_deltas()
483 		xfs_trans_log_buf(tp, bp, offsetof(xfs_dsb_t, sb_icount),  in xfs_trans_apply_sb_deltas()
550 	struct xfs_trans	*tp)  in xfs_trans_unreserve_and_mod_sb()  argument
552 	struct xfs_mount	*mp = tp->t_mountp;  in xfs_trans_unreserve_and_mod_sb()
553 	bool			rsvd = (tp->t_flags & XFS_TRANS_RESERVE) != 0;  in xfs_trans_unreserve_and_mod_sb()
561 	if (tp->t_blk_res > 0)  in xfs_trans_unreserve_and_mod_sb()
562 		blkdelta = tp->t_blk_res;  in xfs_trans_unreserve_and_mod_sb()
563 	if ((tp->t_fdblocks_delta != 0) &&  in xfs_trans_unreserve_and_mod_sb()
565 	     (tp->t_flags & XFS_TRANS_SB_DIRTY)))  in xfs_trans_unreserve_and_mod_sb()
566 	        blkdelta += tp->t_fdblocks_delta;  in xfs_trans_unreserve_and_mod_sb()
568 	if (tp->t_rtx_res > 0)  in xfs_trans_unreserve_and_mod_sb()
569 		rtxdelta = tp->t_rtx_res;  in xfs_trans_unreserve_and_mod_sb()
570 	if ((tp->t_frextents_delta != 0) &&  in xfs_trans_unreserve_and_mod_sb()
571 	    (tp->t_flags & XFS_TRANS_SB_DIRTY))  in xfs_trans_unreserve_and_mod_sb()
572 		rtxdelta += tp->t_frextents_delta;  in xfs_trans_unreserve_and_mod_sb()
575 	     (tp->t_flags & XFS_TRANS_SB_DIRTY)) {  in xfs_trans_unreserve_and_mod_sb()
576 		idelta = tp->t_icount_delta;  in xfs_trans_unreserve_and_mod_sb()
577 		ifreedelta = tp->t_ifree_delta;  in xfs_trans_unreserve_and_mod_sb()
599 	if (rtxdelta == 0 && !(tp->t_flags & XFS_TRANS_SB_DIRTY))  in xfs_trans_unreserve_and_mod_sb()
610 	if (tp->t_dblocks_delta != 0) {  in xfs_trans_unreserve_and_mod_sb()
611 		error = xfs_sb_mod64(&mp->m_sb.sb_dblocks, tp->t_dblocks_delta);  in xfs_trans_unreserve_and_mod_sb()
615 	if (tp->t_agcount_delta != 0) {  in xfs_trans_unreserve_and_mod_sb()
616 		error = xfs_sb_mod32(&mp->m_sb.sb_agcount, tp->t_agcount_delta);  in xfs_trans_unreserve_and_mod_sb()
620 	if (tp->t_imaxpct_delta != 0) {  in xfs_trans_unreserve_and_mod_sb()
621 		error = xfs_sb_mod8(&mp->m_sb.sb_imax_pct, tp->t_imaxpct_delta);  in xfs_trans_unreserve_and_mod_sb()
625 	if (tp->t_rextsize_delta != 0) {  in xfs_trans_unreserve_and_mod_sb()
627 				     tp->t_rextsize_delta);  in xfs_trans_unreserve_and_mod_sb()
631 	if (tp->t_rbmblocks_delta != 0) {  in xfs_trans_unreserve_and_mod_sb()
633 				     tp->t_rbmblocks_delta);  in xfs_trans_unreserve_and_mod_sb()
637 	if (tp->t_rblocks_delta != 0) {  in xfs_trans_unreserve_and_mod_sb()
638 		error = xfs_sb_mod64(&mp->m_sb.sb_rblocks, tp->t_rblocks_delta);  in xfs_trans_unreserve_and_mod_sb()
642 	if (tp->t_rextents_delta != 0) {  in xfs_trans_unreserve_and_mod_sb()
644 				     tp->t_rextents_delta);  in xfs_trans_unreserve_and_mod_sb()
648 	if (tp->t_rextslog_delta != 0) {  in xfs_trans_unreserve_and_mod_sb()
650 				     tp->t_rextslog_delta);  in xfs_trans_unreserve_and_mod_sb()
658 	if (tp->t_rextents_delta)  in xfs_trans_unreserve_and_mod_sb()
659 		xfs_sb_mod64(&mp->m_sb.sb_rextents, -tp->t_rextents_delta);  in xfs_trans_unreserve_and_mod_sb()
661 	if (tp->t_rblocks_delta)  in xfs_trans_unreserve_and_mod_sb()
662 		xfs_sb_mod64(&mp->m_sb.sb_rblocks, -tp->t_rblocks_delta);  in xfs_trans_unreserve_and_mod_sb()
664 	if (tp->t_rbmblocks_delta)  in xfs_trans_unreserve_and_mod_sb()
665 		xfs_sb_mod32(&mp->m_sb.sb_rbmblocks, -tp->t_rbmblocks_delta);  in xfs_trans_unreserve_and_mod_sb()
667 	if (tp->t_rextsize_delta)  in xfs_trans_unreserve_and_mod_sb()
668 		xfs_sb_mod32(&mp->m_sb.sb_rextsize, -tp->t_rextsize_delta);  in xfs_trans_unreserve_and_mod_sb()
670 	if (tp->t_rextsize_delta)  in xfs_trans_unreserve_and_mod_sb()
671 		xfs_sb_mod8(&mp->m_sb.sb_imax_pct, -tp->t_imaxpct_delta);  in xfs_trans_unreserve_and_mod_sb()
673 	if (tp->t_agcount_delta)  in xfs_trans_unreserve_and_mod_sb()
674 		xfs_sb_mod32(&mp->m_sb.sb_agcount, -tp->t_agcount_delta);  in xfs_trans_unreserve_and_mod_sb()
676 	if (tp->t_dblocks_delta)  in xfs_trans_unreserve_and_mod_sb()
677 		xfs_sb_mod64(&mp->m_sb.sb_dblocks, -tp->t_dblocks_delta);  in xfs_trans_unreserve_and_mod_sb()
703 	struct xfs_trans	*tp,  in xfs_trans_add_item()  argument
708 	ASSERT(lip->li_mountp == tp->t_mountp);  in xfs_trans_add_item()
709 	ASSERT(lip->li_ailp == tp->t_mountp->m_ail);  in xfs_trans_add_item()
715 	list_add_tail(&lidp->lid_trans, &tp->t_items);  in xfs_trans_add_item()
745 	struct xfs_trans	*tp,  in xfs_trans_free_items()  argument
751 	list_for_each_entry_safe(lidp, next, &tp->t_items, lid_trans) {  in xfs_trans_free_items()
897 	struct xfs_trans	*tp,  in xfs_trans_commit()  argument
900 	struct xfs_mount	*mp = tp->t_mountp;  in xfs_trans_commit()
904 	int			sync = tp->t_flags & XFS_TRANS_SYNC;  in xfs_trans_commit()
911 		ASSERT(tp->t_flags & XFS_TRANS_PERM_LOG_RES);  in xfs_trans_commit()
922 	if (!(tp->t_flags & XFS_TRANS_DIRTY))  in xfs_trans_commit()
930 	ASSERT(tp->t_ticket != NULL);  in xfs_trans_commit()
935 	if (tp->t_flags & XFS_TRANS_SB_DIRTY)  in xfs_trans_commit()
936 		xfs_trans_apply_sb_deltas(tp);  in xfs_trans_commit()
937 	xfs_trans_apply_dquot_deltas(tp);  in xfs_trans_commit()
939 	xfs_log_commit_cil(mp, tp, &commit_lsn, flags);  in xfs_trans_commit()
941 	current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS);  in xfs_trans_commit()
942 	xfs_trans_free(tp);  in xfs_trans_commit()
958 	xfs_trans_unreserve_and_mod_sb(tp);  in xfs_trans_commit()
965 	xfs_trans_unreserve_and_mod_dquots(tp);  in xfs_trans_commit()
966 	if (tp->t_ticket) {  in xfs_trans_commit()
967 		commit_lsn = xfs_log_done(mp, tp->t_ticket, NULL, log_flags);  in xfs_trans_commit()
971 	current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS);  in xfs_trans_commit()
972 	xfs_trans_free_items(tp, NULLCOMMITLSN, error ? XFS_TRANS_ABORT : 0);  in xfs_trans_commit()
973 	xfs_trans_free(tp);  in xfs_trans_commit()
989 	xfs_trans_t		*tp,  in xfs_trans_cancel()  argument
993 	xfs_mount_t		*mp = tp->t_mountp;  in xfs_trans_cancel()
999 	if ((flags & XFS_TRANS_ABORT) && !(tp->t_flags & XFS_TRANS_DIRTY))  in xfs_trans_cancel()
1006 	if ((tp->t_flags & XFS_TRANS_DIRTY) && !XFS_FORCED_SHUTDOWN(mp)) {  in xfs_trans_cancel()
1014 		list_for_each_entry(lidp, &tp->t_items, lid_trans)  in xfs_trans_cancel()
1018 	xfs_trans_unreserve_and_mod_sb(tp);  in xfs_trans_cancel()
1019 	xfs_trans_unreserve_and_mod_dquots(tp);  in xfs_trans_cancel()
1021 	if (tp->t_ticket) {  in xfs_trans_cancel()
1023 			ASSERT(tp->t_flags & XFS_TRANS_PERM_LOG_RES);  in xfs_trans_cancel()
1028 		xfs_log_done(mp, tp->t_ticket, NULL, log_flags);  in xfs_trans_cancel()
1032 	current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS);  in xfs_trans_cancel()
1034 	xfs_trans_free_items(tp, NULLCOMMITLSN, flags);  in xfs_trans_cancel()
1035 	xfs_trans_free(tp);  in xfs_trans_cancel()