64 	struct xfs_trans	*tp)  in xfs_trans_free()  argument
66 	xfs_extent_busy_sort(&tp->t_busy);  in xfs_trans_free()
67 	xfs_extent_busy_clear(tp->t_mountp, &tp->t_busy, false);  in xfs_trans_free()
69 	trace_xfs_trans_free(tp, _RET_IP_);  in xfs_trans_free()
70 	atomic_dec(&tp->t_mountp->m_active_trans);  in xfs_trans_free()
71 	if (!(tp->t_flags & XFS_TRANS_NO_WRITECOUNT))  in xfs_trans_free()
72 		sb_end_intwrite(tp->t_mountp->m_super);  in xfs_trans_free()
73 	xfs_trans_free_dqinfo(tp);  in xfs_trans_free()
74 	kmem_zone_free(xfs_trans_zone, tp);  in xfs_trans_free()
87 	struct xfs_trans	*tp)  in xfs_trans_dup()  argument
91 	trace_xfs_trans_dup(tp, _RET_IP_);  in xfs_trans_dup()
99 	ntp->t_mountp = tp->t_mountp;  in xfs_trans_dup()
105 	ASSERT(tp->t_flags & XFS_TRANS_PERM_LOG_RES);  in xfs_trans_dup()
106 	ASSERT(tp->t_ticket != NULL);  in xfs_trans_dup()
109 		       (tp->t_flags & XFS_TRANS_RESERVE) |  in xfs_trans_dup()
110 		       (tp->t_flags & XFS_TRANS_NO_WRITECOUNT);  in xfs_trans_dup()
112 	tp->t_flags |= XFS_TRANS_NO_WRITECOUNT;  in xfs_trans_dup()
113 	ntp->t_ticket = xfs_log_ticket_get(tp->t_ticket);  in xfs_trans_dup()
115 	ASSERT(tp->t_blk_res >= tp->t_blk_res_used);  in xfs_trans_dup()
116 	ntp->t_blk_res = tp->t_blk_res - tp->t_blk_res_used;  in xfs_trans_dup()
117 	tp->t_blk_res = tp->t_blk_res_used;  in xfs_trans_dup()
119 	ntp->t_rtx_res = tp->t_rtx_res - tp->t_rtx_res_used;  in xfs_trans_dup()
120 	tp->t_rtx_res = tp->t_rtx_res_used;  in xfs_trans_dup()
121 	ntp->t_pflags = tp->t_pflags;  in xfs_trans_dup()
124 	xfs_defer_move(ntp, tp);  in xfs_trans_dup()
126 	xfs_trans_dup_dqinfo(tp, ntp);  in xfs_trans_dup()
128 	atomic_inc(&tp->t_mountp->m_active_trans);  in xfs_trans_dup()
148 	struct xfs_trans	*tp,  in xfs_trans_reserve()  argument
154 	bool		rsvd = (tp->t_flags & XFS_TRANS_RESERVE) != 0;  in xfs_trans_reserve()
157 	current_set_flags_nested(&tp->t_pflags, PF_MEMALLOC_NOFS);  in xfs_trans_reserve()
165 		error = xfs_mod_fdblocks(tp->t_mountp, -((int64_t)blocks), rsvd);  in xfs_trans_reserve()
167 			current_restore_flags_nested(&tp->t_pflags, PF_MEMALLOC_NOFS);  in xfs_trans_reserve()
170 		tp->t_blk_res += blocks;  in xfs_trans_reserve()
179 		ASSERT(tp->t_log_res == 0 ||  in xfs_trans_reserve()
180 		       tp->t_log_res == resp->tr_logres);  in xfs_trans_reserve()
181 		ASSERT(tp->t_log_count == 0 ||  in xfs_trans_reserve()
182 		       tp->t_log_count == resp->tr_logcount);  in xfs_trans_reserve()
185 			tp->t_flags |= XFS_TRANS_PERM_LOG_RES;  in xfs_trans_reserve()
188 			ASSERT(tp->t_ticket == NULL);  in xfs_trans_reserve()
189 			ASSERT(!(tp->t_flags & XFS_TRANS_PERM_LOG_RES));  in xfs_trans_reserve()
192 		if (tp->t_ticket != NULL) {  in xfs_trans_reserve()
194 			error = xfs_log_regrant(tp->t_mountp, tp->t_ticket);  in xfs_trans_reserve()
196 			error = xfs_log_reserve(tp->t_mountp,  in xfs_trans_reserve()
199 						&tp->t_ticket, XFS_TRANSACTION,  in xfs_trans_reserve()
206 		tp->t_log_res = resp->tr_logres;  in xfs_trans_reserve()
207 		tp->t_log_count = resp->tr_logcount;  in xfs_trans_reserve()
216 		error = xfs_mod_frextents(tp->t_mountp, -((int64_t)rtextents));  in xfs_trans_reserve()
221 		tp->t_rtx_res += rtextents;  in xfs_trans_reserve()
232 		xfs_log_done(tp->t_mountp, tp->t_ticket, NULL, false);  in xfs_trans_reserve()
233 		tp->t_ticket = NULL;  in xfs_trans_reserve()
234 		tp->t_log_res = 0;  in xfs_trans_reserve()
235 		tp->t_flags &= ~XFS_TRANS_PERM_LOG_RES;  in xfs_trans_reserve()
240 		xfs_mod_fdblocks(tp->t_mountp, (int64_t)blocks, rsvd);  in xfs_trans_reserve()
241 		tp->t_blk_res = 0;  in xfs_trans_reserve()
244 	current_restore_flags_nested(&tp->t_pflags, PF_MEMALLOC_NOFS);  in xfs_trans_reserve()
258 	struct xfs_trans	*tp;  in xfs_trans_alloc()  local
266 	tp = kmem_zone_zalloc(xfs_trans_zone, 0);  in xfs_trans_alloc()
278 	tp->t_magic = XFS_TRANS_HEADER_MAGIC;  in xfs_trans_alloc()
279 	tp->t_flags = flags;  in xfs_trans_alloc()
280 	tp->t_mountp = mp;  in xfs_trans_alloc()
281 	INIT_LIST_HEAD(&tp->t_items);  in xfs_trans_alloc()
282 	INIT_LIST_HEAD(&tp->t_busy);  in xfs_trans_alloc()
283 	INIT_LIST_HEAD(&tp->t_dfops);  in xfs_trans_alloc()
284 	tp->t_firstblock = NULLFSBLOCK;  in xfs_trans_alloc()
286 	error = xfs_trans_reserve(tp, resp, blocks, rtextents);  in xfs_trans_alloc()
288 		xfs_trans_cancel(tp);  in xfs_trans_alloc()
292 	trace_xfs_trans_alloc(tp, _RET_IP_);  in xfs_trans_alloc()
294 	*tpp = tp;  in xfs_trans_alloc()
338 	xfs_trans_t	*tp,  in xfs_trans_mod_sb()  argument
343 	xfs_mount_t	*mp = tp->t_mountp;  in xfs_trans_mod_sb()
347 		tp->t_icount_delta += delta;  in xfs_trans_mod_sb()
352 		tp->t_ifree_delta += delta;  in xfs_trans_mod_sb()
363 			tp->t_blk_res_used += (uint)-delta;  in xfs_trans_mod_sb()
364 			if (tp->t_blk_res_used > tp->t_blk_res)  in xfs_trans_mod_sb()
367 		tp->t_fdblocks_delta += delta;  in xfs_trans_mod_sb()
377 		tp->t_res_fdblocks_delta += delta;  in xfs_trans_mod_sb()
388 			tp->t_rtx_res_used += (uint)-delta;  in xfs_trans_mod_sb()
389 			ASSERT(tp->t_rtx_res_used <= tp->t_rtx_res);  in xfs_trans_mod_sb()
391 		tp->t_frextents_delta += delta;  in xfs_trans_mod_sb()
400 		tp->t_res_frextents_delta += delta;  in xfs_trans_mod_sb()
404 		tp->t_dblocks_delta += delta;  in xfs_trans_mod_sb()
408 		tp->t_agcount_delta += delta;  in xfs_trans_mod_sb()
411 		tp->t_imaxpct_delta += delta;  in xfs_trans_mod_sb()
414 		tp->t_rextsize_delta += delta;  in xfs_trans_mod_sb()
417 		tp->t_rbmblocks_delta += delta;  in xfs_trans_mod_sb()
420 		tp->t_rblocks_delta += delta;  in xfs_trans_mod_sb()
423 		tp->t_rextents_delta += delta;  in xfs_trans_mod_sb()
426 		tp->t_rextslog_delta += delta;  in xfs_trans_mod_sb()
433 	tp->t_flags |= flags;  in xfs_trans_mod_sb()
446 	xfs_trans_t	*tp)  in xfs_trans_apply_sb_deltas()  argument
452 	bp = xfs_trans_getsb(tp, tp->t_mountp);  in xfs_trans_apply_sb_deltas()
458 	ASSERT((tp->t_fdblocks_delta + tp->t_res_fdblocks_delta) ==  in xfs_trans_apply_sb_deltas()
459 	       (tp->t_ag_freeblks_delta + tp->t_ag_flist_delta +  in xfs_trans_apply_sb_deltas()
460 		tp->t_ag_btree_delta));  in xfs_trans_apply_sb_deltas()
465 	if (!xfs_sb_version_haslazysbcount(&(tp->t_mountp->m_sb))) {  in xfs_trans_apply_sb_deltas()
466 		if (tp->t_icount_delta)  in xfs_trans_apply_sb_deltas()
467 			be64_add_cpu(&sbp->sb_icount, tp->t_icount_delta);  in xfs_trans_apply_sb_deltas()
468 		if (tp->t_ifree_delta)  in xfs_trans_apply_sb_deltas()
469 			be64_add_cpu(&sbp->sb_ifree, tp->t_ifree_delta);  in xfs_trans_apply_sb_deltas()
470 		if (tp->t_fdblocks_delta)  in xfs_trans_apply_sb_deltas()
471 			be64_add_cpu(&sbp->sb_fdblocks, tp->t_fdblocks_delta);  in xfs_trans_apply_sb_deltas()
472 		if (tp->t_res_fdblocks_delta)  in xfs_trans_apply_sb_deltas()
473 			be64_add_cpu(&sbp->sb_fdblocks, tp->t_res_fdblocks_delta);  in xfs_trans_apply_sb_deltas()
476 	if (tp->t_frextents_delta)  in xfs_trans_apply_sb_deltas()
477 		be64_add_cpu(&sbp->sb_frextents, tp->t_frextents_delta);  in xfs_trans_apply_sb_deltas()
478 	if (tp->t_res_frextents_delta)  in xfs_trans_apply_sb_deltas()
479 		be64_add_cpu(&sbp->sb_frextents, tp->t_res_frextents_delta);  in xfs_trans_apply_sb_deltas()
481 	if (tp->t_dblocks_delta) {  in xfs_trans_apply_sb_deltas()
482 		be64_add_cpu(&sbp->sb_dblocks, tp->t_dblocks_delta);  in xfs_trans_apply_sb_deltas()
485 	if (tp->t_agcount_delta) {  in xfs_trans_apply_sb_deltas()
486 		be32_add_cpu(&sbp->sb_agcount, tp->t_agcount_delta);  in xfs_trans_apply_sb_deltas()
489 	if (tp->t_imaxpct_delta) {  in xfs_trans_apply_sb_deltas()
490 		sbp->sb_imax_pct += tp->t_imaxpct_delta;  in xfs_trans_apply_sb_deltas()
493 	if (tp->t_rextsize_delta) {  in xfs_trans_apply_sb_deltas()
494 		be32_add_cpu(&sbp->sb_rextsize, tp->t_rextsize_delta);  in xfs_trans_apply_sb_deltas()
497 	if (tp->t_rbmblocks_delta) {  in xfs_trans_apply_sb_deltas()
498 		be32_add_cpu(&sbp->sb_rbmblocks, tp->t_rbmblocks_delta);  in xfs_trans_apply_sb_deltas()
501 	if (tp->t_rblocks_delta) {  in xfs_trans_apply_sb_deltas()
502 		be64_add_cpu(&sbp->sb_rblocks, tp->t_rblocks_delta);  in xfs_trans_apply_sb_deltas()
505 	if (tp->t_rextents_delta) {  in xfs_trans_apply_sb_deltas()
506 		be64_add_cpu(&sbp->sb_rextents, tp->t_rextents_delta);  in xfs_trans_apply_sb_deltas()
509 	if (tp->t_rextslog_delta) {  in xfs_trans_apply_sb_deltas()
510 		sbp->sb_rextslog += tp->t_rextslog_delta;  in xfs_trans_apply_sb_deltas()
514 	xfs_trans_buf_set_type(tp, bp, XFS_BLFT_SB_BUF);  in xfs_trans_apply_sb_deltas()
519 		xfs_trans_log_buf(tp, bp, 0, sizeof(xfs_dsb_t) - 1);  in xfs_trans_apply_sb_deltas()
525 		xfs_trans_log_buf(tp, bp, offsetof(xfs_dsb_t, sb_icount),  in xfs_trans_apply_sb_deltas()
592 	struct xfs_trans	*tp)  in xfs_trans_unreserve_and_mod_sb()  argument
594 	struct xfs_mount	*mp = tp->t_mountp;  in xfs_trans_unreserve_and_mod_sb()
595 	bool			rsvd = (tp->t_flags & XFS_TRANS_RESERVE) != 0;  in xfs_trans_unreserve_and_mod_sb()
603 	if (tp->t_blk_res > 0)  in xfs_trans_unreserve_and_mod_sb()
604 		blkdelta = tp->t_blk_res;  in xfs_trans_unreserve_and_mod_sb()
605 	if ((tp->t_fdblocks_delta != 0) &&  in xfs_trans_unreserve_and_mod_sb()
607 	     (tp->t_flags & XFS_TRANS_SB_DIRTY)))  in xfs_trans_unreserve_and_mod_sb()
608 	        blkdelta += tp->t_fdblocks_delta;  in xfs_trans_unreserve_and_mod_sb()
610 	if (tp->t_rtx_res > 0)  in xfs_trans_unreserve_and_mod_sb()
611 		rtxdelta = tp->t_rtx_res;  in xfs_trans_unreserve_and_mod_sb()
612 	if ((tp->t_frextents_delta != 0) &&  in xfs_trans_unreserve_and_mod_sb()
613 	    (tp->t_flags & XFS_TRANS_SB_DIRTY))  in xfs_trans_unreserve_and_mod_sb()
614 		rtxdelta += tp->t_frextents_delta;  in xfs_trans_unreserve_and_mod_sb()
617 	     (tp->t_flags & XFS_TRANS_SB_DIRTY)) {  in xfs_trans_unreserve_and_mod_sb()
618 		idelta = tp->t_icount_delta;  in xfs_trans_unreserve_and_mod_sb()
619 		ifreedelta = tp->t_ifree_delta;  in xfs_trans_unreserve_and_mod_sb()
641 	if (rtxdelta == 0 && !(tp->t_flags & XFS_TRANS_SB_DIRTY))  in xfs_trans_unreserve_and_mod_sb()
652 	if (tp->t_dblocks_delta != 0) {  in xfs_trans_unreserve_and_mod_sb()
653 		error = xfs_sb_mod64(&mp->m_sb.sb_dblocks, tp->t_dblocks_delta);  in xfs_trans_unreserve_and_mod_sb()
657 	if (tp->t_agcount_delta != 0) {  in xfs_trans_unreserve_and_mod_sb()
658 		error = xfs_sb_mod32(&mp->m_sb.sb_agcount, tp->t_agcount_delta);  in xfs_trans_unreserve_and_mod_sb()
662 	if (tp->t_imaxpct_delta != 0) {  in xfs_trans_unreserve_and_mod_sb()
663 		error = xfs_sb_mod8(&mp->m_sb.sb_imax_pct, tp->t_imaxpct_delta);  in xfs_trans_unreserve_and_mod_sb()
667 	if (tp->t_rextsize_delta != 0) {  in xfs_trans_unreserve_and_mod_sb()
669 				     tp->t_rextsize_delta);  in xfs_trans_unreserve_and_mod_sb()
673 	if (tp->t_rbmblocks_delta != 0) {  in xfs_trans_unreserve_and_mod_sb()
675 				     tp->t_rbmblocks_delta);  in xfs_trans_unreserve_and_mod_sb()
679 	if (tp->t_rblocks_delta != 0) {  in xfs_trans_unreserve_and_mod_sb()
680 		error = xfs_sb_mod64(&mp->m_sb.sb_rblocks, tp->t_rblocks_delta);  in xfs_trans_unreserve_and_mod_sb()
684 	if (tp->t_rextents_delta != 0) {  in xfs_trans_unreserve_and_mod_sb()
686 				     tp->t_rextents_delta);  in xfs_trans_unreserve_and_mod_sb()
690 	if (tp->t_rextslog_delta != 0) {  in xfs_trans_unreserve_and_mod_sb()
692 				     tp->t_rextslog_delta);  in xfs_trans_unreserve_and_mod_sb()
700 	if (tp->t_rextents_delta)  in xfs_trans_unreserve_and_mod_sb()
701 		xfs_sb_mod64(&mp->m_sb.sb_rextents, -tp->t_rextents_delta);  in xfs_trans_unreserve_and_mod_sb()
703 	if (tp->t_rblocks_delta)  in xfs_trans_unreserve_and_mod_sb()
704 		xfs_sb_mod64(&mp->m_sb.sb_rblocks, -tp->t_rblocks_delta);  in xfs_trans_unreserve_and_mod_sb()
706 	if (tp->t_rbmblocks_delta)  in xfs_trans_unreserve_and_mod_sb()
707 		xfs_sb_mod32(&mp->m_sb.sb_rbmblocks, -tp->t_rbmblocks_delta);  in xfs_trans_unreserve_and_mod_sb()
709 	if (tp->t_rextsize_delta)  in xfs_trans_unreserve_and_mod_sb()
710 		xfs_sb_mod32(&mp->m_sb.sb_rextsize, -tp->t_rextsize_delta);  in xfs_trans_unreserve_and_mod_sb()
712 	if (tp->t_rextsize_delta)  in xfs_trans_unreserve_and_mod_sb()
713 		xfs_sb_mod8(&mp->m_sb.sb_imax_pct, -tp->t_imaxpct_delta);  in xfs_trans_unreserve_and_mod_sb()
715 	if (tp->t_agcount_delta)  in xfs_trans_unreserve_and_mod_sb()
716 		xfs_sb_mod32(&mp->m_sb.sb_agcount, -tp->t_agcount_delta);  in xfs_trans_unreserve_and_mod_sb()
718 	if (tp->t_dblocks_delta)  in xfs_trans_unreserve_and_mod_sb()
719 		xfs_sb_mod64(&mp->m_sb.sb_dblocks, -tp->t_dblocks_delta);  in xfs_trans_unreserve_and_mod_sb()
741 	struct xfs_trans	*tp,  in xfs_trans_add_item()  argument
744 	ASSERT(lip->li_mountp == tp->t_mountp);  in xfs_trans_add_item()
745 	ASSERT(lip->li_ailp == tp->t_mountp->m_ail);  in xfs_trans_add_item()
749 	list_add_tail(&lip->li_trans, &tp->t_items);  in xfs_trans_add_item()
750 	trace_xfs_trans_add_item(tp, _RET_IP_);  in xfs_trans_add_item()
769 	struct xfs_trans	*tp,  in xfs_trans_free_items()  argument
774 	trace_xfs_trans_free_items(tp, _RET_IP_);  in xfs_trans_free_items()
776 	list_for_each_entry_safe(lip, next, &tp->t_items, li_trans) {  in xfs_trans_free_items()
928 	struct xfs_trans	*tp,  in __xfs_trans_commit()  argument
931 	struct xfs_mount	*mp = tp->t_mountp;  in __xfs_trans_commit()
934 	int			sync = tp->t_flags & XFS_TRANS_SYNC;  in __xfs_trans_commit()
936 	trace_xfs_trans_commit(tp, _RET_IP_);  in __xfs_trans_commit()
942 	WARN_ON_ONCE(!list_empty(&tp->t_dfops) &&  in __xfs_trans_commit()
943 		     !(tp->t_flags & XFS_TRANS_PERM_LOG_RES));  in __xfs_trans_commit()
944 	if (!regrant && (tp->t_flags & XFS_TRANS_PERM_LOG_RES)) {  in __xfs_trans_commit()
945 		error = xfs_defer_finish_noroll(&tp);  in __xfs_trans_commit()
957 	if (!(tp->t_flags & XFS_TRANS_DIRTY))  in __xfs_trans_commit()
965 	ASSERT(tp->t_ticket != NULL);  in __xfs_trans_commit()
970 	if (tp->t_flags & XFS_TRANS_SB_DIRTY)  in __xfs_trans_commit()
971 		xfs_trans_apply_sb_deltas(tp);  in __xfs_trans_commit()
972 	xfs_trans_apply_dquot_deltas(tp);  in __xfs_trans_commit()
974 	xfs_log_commit_cil(mp, tp, &commit_lsn, regrant);  in __xfs_trans_commit()
976 	current_restore_flags_nested(&tp->t_pflags, PF_MEMALLOC_NOFS);  in __xfs_trans_commit()
977 	xfs_trans_free(tp);  in __xfs_trans_commit()
993 	xfs_trans_unreserve_and_mod_sb(tp);  in __xfs_trans_commit()
1000 	xfs_trans_unreserve_and_mod_dquots(tp);  in __xfs_trans_commit()
1001 	if (tp->t_ticket) {  in __xfs_trans_commit()
1002 		commit_lsn = xfs_log_done(mp, tp->t_ticket, NULL, regrant);  in __xfs_trans_commit()
1005 		tp->t_ticket = NULL;  in __xfs_trans_commit()
1007 	current_restore_flags_nested(&tp->t_pflags, PF_MEMALLOC_NOFS);  in __xfs_trans_commit()
1008 	xfs_trans_free_items(tp, !!error);  in __xfs_trans_commit()
1009 	xfs_trans_free(tp);  in __xfs_trans_commit()
1017 	struct xfs_trans	*tp)  in xfs_trans_commit()  argument
1019 	return __xfs_trans_commit(tp, false);  in xfs_trans_commit()
1032 	struct xfs_trans	*tp)  in xfs_trans_cancel()  argument
1034 	struct xfs_mount	*mp = tp->t_mountp;  in xfs_trans_cancel()
1035 	bool			dirty = (tp->t_flags & XFS_TRANS_DIRTY);  in xfs_trans_cancel()
1037 	trace_xfs_trans_cancel(tp, _RET_IP_);  in xfs_trans_cancel()
1039 	if (tp->t_flags & XFS_TRANS_PERM_LOG_RES)  in xfs_trans_cancel()
1040 		xfs_defer_cancel(tp);  in xfs_trans_cancel()
1055 		list_for_each_entry(lip, &tp->t_items, li_trans)  in xfs_trans_cancel()
1059 	xfs_trans_unreserve_and_mod_sb(tp);  in xfs_trans_cancel()
1060 	xfs_trans_unreserve_and_mod_dquots(tp);  in xfs_trans_cancel()
1062 	if (tp->t_ticket) {  in xfs_trans_cancel()
1063 		xfs_log_done(mp, tp->t_ticket, NULL, false);  in xfs_trans_cancel()
1064 		tp->t_ticket = NULL;  in xfs_trans_cancel()
1068 	current_restore_flags_nested(&tp->t_pflags, PF_MEMALLOC_NOFS);  in xfs_trans_cancel()
1070 	xfs_trans_free_items(tp, dirty);  in xfs_trans_cancel()
1071 	xfs_trans_free(tp);  in xfs_trans_cancel()