65 	log->l_cilp->xc_ctx->sequence = 1;  in xlog_cil_init_post_recovery()
261 	 * CIL, store the sequence number on the log item so we can  in xfs_cil_prepare_item()
266 		lv->lv_item->li_seq = log->l_cilp->xc_ctx->sequence;  in xfs_cil_prepare_item()
629  * If the current sequence is the same as xc_push_seq we need to do a flush. If
630  * xc_push_seq is less than the current sequence, then it has already been
634  * xc_push_seq is checked unlocked against the sequence number for a match.
636  * same sequence twice.  If we get a race between multiple pushes for the same
637  * sequence they will block on the first one and then abort, hence avoiding
668 	ASSERT(push_seq <= ctx->sequence);  in xlog_cil_push_work()
683 	 * move on to a new sequence number and so we have to be able to push  in xlog_cil_push_work()
684 	 * this sequence again later.  in xlog_cil_push_work()
693 	/* check for a previously pushed sequence */  in xlog_cil_push_work()
694 	if (push_seq < cil->xc_ctx->sequence) {  in xlog_cil_push_work()
706 	 *	the current sequence not being found on the committing list;  in xlog_cil_push_work()
708 	 *	an unchanged sequence number  in xlog_cil_push_work()
711 	 * list before emptying the CIL and bumping the sequence number. Hence  in xlog_cil_push_work()
712 	 * an empty CIL and an unchanged sequence number means we jumped out  in xlog_cil_push_work()
715 	 * Hence the waiter will either find the commit sequence on the  in xlog_cil_push_work()
716 	 * committing list or the sequence number will be unchanged and the CIL  in xlog_cil_push_work()
720 	 * sequence may fully commit between the attempts the wait makes to wait  in xlog_cil_push_work()
721 	 * on the commit sequence.  in xlog_cil_push_work()
752 	 * during log forces to extract the commit lsn of the sequence that  in xlog_cil_push_work()
757 	new_ctx->sequence = ctx->sequence + 1;  in xlog_cil_push_work()
780 	 * xfs_log_force_seq requires us to mirror the new sequence into the cil  in xlog_cil_push_work()
781 	 * structure atomically with the addition of this sequence to the  in xlog_cil_push_work()
783 	 * against the current sequence in log forces without risking  in xlog_cil_push_work()
787 	cil->xc_current_sequence = new_ctx->sequence;  in xlog_cil_push_work()
837 		 * Don't wait for our own sequence, either.  in xlog_cil_push_work()
839 		if (new_ctx->sequence >= ctx->sequence)  in xlog_cil_push_work()
960  * xlog_cil_push_now() is used to trigger an immediate CIL push to the sequence
981 	 * If the CIL is empty or we've already pushed the sequence then  in xlog_cil_push_now()
1066 			lip->li_ops->iop_committing(lip, cil->xc_ctx->sequence);  in xlog_cil_commit()
1069 		*commit_seq = cil->xc_ctx->sequence;  in xlog_cil_commit()
1076  * Conditionally push the CIL based on the sequence passed in.
1078  * We only need to push if we haven't already pushed the sequence
1080  * if the push sequence is the same as the current context.
1088 	xfs_csn_t	sequence)  in xlog_cil_force_seq()  argument
1094 	ASSERT(sequence <= cil->xc_current_sequence);  in xlog_cil_force_seq()
1098 	 * xlog_cil_push() handles racing pushes for the same sequence,  in xlog_cil_force_seq()
1102 	xlog_cil_push_now(log, sequence);  in xlog_cil_force_seq()
1105 	 * See if we can find a previous sequence still committing.  in xlog_cil_force_seq()
1106 	 * We need to wait for all previous sequence commits to complete  in xlog_cil_force_seq()
1119 		if (ctx->sequence > sequence)  in xlog_cil_force_seq()
1129 		if (ctx->sequence != sequence)  in xlog_cil_force_seq()
1137 	 * Hence by the time we have got here it our sequence may not have been  in xlog_cil_force_seq()
1138 	 * pushed yet. This is true if the current sequence still matches the  in xlog_cil_force_seq()
1139 	 * push sequence after the above wait loop and the CIL still contains  in xlog_cil_force_seq()
1144 	 * current sequence number is unchanged then the CIL contents are  in xlog_cil_force_seq()
1150 	if (sequence == cil->xc_current_sequence &&  in xlog_cil_force_seq()
1172  * Check if the current log item was first committed in this sequence.
1174  * the recorded commit sequence number.
1192 	 * current sequence, we're in a new checkpoint.  in xfs_log_item_in_current_chkpt()
1228 	ctx->sequence = 1;  in xlog_cil_init()
1231 	cil->xc_current_sequence = ctx->sequence;  in xlog_cil_init()