25  * we don't want to be issuing transactions from, so we need to tell the
30  * the space required, we need to set the current reservation of the ticket to
80  * tail of the log are. We need this log initialisation done before we can
118  * the CIL and we need a CIL commit to occur to free memory.
120  * To avoid this, we need to move the memory allocation outside the
173 		 * Ordered items need to be tracked but we do not wish to write  in xlog_cil_alloc_shadow_bufs()
174 		 * them. We need a logvec to track the object, but we do not  in xlog_cil_alloc_shadow_bufs()
175 		 * need an iovec or buffer to be allocated for copying data.  in xlog_cil_alloc_shadow_bufs()
185 		 * of the next one is naturally aligned.  We'll need to  in xlog_cil_alloc_shadow_bufs()
201 		 * if we have no shadow buffer, or it is too small, we need to  in xlog_cil_alloc_shadow_bufs()
210 			 * same reason - we don't need to zero the data area in  in xlog_cil_alloc_shadow_bufs()
275 	 * this CIL context and so we need to pin it. If we are replacing the  in xfs_cil_prepare_item()
308  * For delayed logging, we need to hold a formatted buffer containing all the
328  * Hence what we need to do now is change the rewrite the vector array to point
466 	/* do we need space for more log record headers? */  in xlog_cil_insert_items()
471 		/* need to take into account split region headers, too */  in xlog_cil_insert_items()
498 	 * We do this here so we only need to take the CIL lock once during  in xlog_cil_insert_items()
549  * pagb_lock.  Note that we need a unbounded workqueue, otherwise we might
681 		 * The LSN we need to pass to the log items on transaction  in xlog_cil_set_ctx_write_state()
840  * If the current sequence is the same as xc_push_seq we need to do a flush. If
842  * flushed and we don't need to do anything - the caller will wait for it to
886 	 * need to throttle tasks on CIL space overruns. Wake any waiters that  in xlog_cil_push_work()
923 	 * to detect a push that had nothing to do and therefore does not need  in xlog_cil_push_work()
949 	 * being written. In this case, we need to re-issue the cache flush  in xlog_cil_push_work()
959 	 * items from the CIL. We don't need the CIL lock here because it's only  in xlog_cil_push_work()
983 	 * though - we need to synchronise with previous and future commits so  in xlog_cil_push_work()
995 	 * Hence we need to add this context to the committing context list so  in xlog_cil_push_work()
1012 	 * begin the transaction. We need to account for the space used by the  in xlog_cil_push_work()
1015 	 * The LSN we need to pass to the log items on transaction commit is  in xlog_cil_push_work()
1059 	 * need to wait on iclogs or not.  in xlog_cil_push_work()
1069 			 * iclogs older than ic_prev. Hence we only need to wait  in xlog_cil_push_work()
1077 		 * We need to issue a pre-flush so that the ordering for this  in xlog_cil_push_work()
1124  * We need to push CIL every so often so we don't cache more than we can fit in
1158 	 * Drop the context lock now, we can't hold that if we need to sleep  in xlog_cil_push_background()
1197  * If the caller is performing an async push, we need to ensure that the
1202  * mechanism. Hence in this case we need to pass a flag to the push work to
1224 	 * there's no work we need to do.  in xlog_cil_push_now()
1255  * To do this, we need to format the item, pin it in memory if required and
1257  * need to release the unused reservation for the transaction, attach the
1336  * We only need to push if we haven't already pushed the sequence number given.
1359 	 * check to see if we need to force out the current context.  in xlog_cil_force_seq()
1361 	 * so no need to deal with it here.  in xlog_cil_force_seq()
1368 	 * We need to wait for all previous sequence commits to complete  in xlog_cil_force_seq()
1423 	 * We detected a shutdown in progress. We need to trigger the log force  in xlog_cil_force_seq()