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
53  * tail of the log are. We need this log initialisation done before we can
91  * the CIL and we need a CIL commit to occur to free memory.
93  * To avoid this, we need to move the memory allocation outside the
146 		 * Ordered items need to be tracked but we do not wish to write  in xlog_cil_alloc_shadow_bufs()
147 		 * them. We need a logvec to track the object, but we do not  in xlog_cil_alloc_shadow_bufs()
148 		 * need an iovec or buffer to be allocated for copying data.  in xlog_cil_alloc_shadow_bufs()
158 		 * of the next one is naturally aligned.  We'll need to  in xlog_cil_alloc_shadow_bufs()
174 		 * if we have no shadow buffer, or it is too small, we need to  in xlog_cil_alloc_shadow_bufs()
183 			 * same reason - we don't need to zero the data area in  in xlog_cil_alloc_shadow_bufs()
240 	 * this CIL context and so we need to pin it. If we are replacing the  in xfs_cil_prepare_item()
273  * For delayed logging, we need to hold a formatted buffer containing all the
293  * Hence what we need to do now is change the rewrite the vector array to point
431 	/* do we need space for more log record headers? */  in xlog_cil_insert_items()
436 		/* need to take into account split region headers, too */  in xlog_cil_insert_items()
463 	 * We do this here so we only need to take the CIL lock once during  in xlog_cil_insert_items()
514  * pagb_lock.  Note that we need a unbounded workqueue, otherwise we might
631  * current sequence is the same as @push_seq we need to do a flush. If
633  * flushed and we don't need to do anything - the caller will wait for it to
701 	 * to detect a push that had nothing to do and therefore does not need  in xlog_cil_push()
720 	 * remove the items from the CIL. We don't need the CIL lock  in xlog_cil_push()
756 	 * though - we need to synchronise with previous and future commits so  in xlog_cil_push()
768 	 * Hence we need to add this context to the committing context list so  in xlog_cil_push()
785 	 * begin the transaction. We need to account for the space used by the  in xlog_cil_push()
788 	 * The LSN we need to pass to the log items on transaction commit is  in xlog_cil_push()
895  * We need to push CIL every so often so we don't cache more than we can fit in
952 	 * there's no work we need to do.  in xlog_cil_push_now()
982  * To do this, we need to format the item, pin it in memory if required and
984  * need to release the unused reservation for the transaction, attach the
1049  * We only need to push if we haven't already pushed the sequence
1068 	 * check to see if we need to force out the current context.  in xlog_cil_force_lsn()
1070 	 * so no need to deal with it here.  in xlog_cil_force_lsn()
1077 	 * We need to wait for all previous sequence commits to complete  in xlog_cil_force_lsn()
1131 	 * We detected a shutdown in progress. We need to trigger the log force  in xlog_cil_force_lsn()