131 		struct xfs_log_vec *lv;  in xlog_cil_alloc_shadow_bufs()  local
188 			lv = kmem_alloc_large(buf_size, KM_NOFS);  in xlog_cil_alloc_shadow_bufs()
189 			memset(lv, 0, xlog_cil_iovec_space(niovecs));  in xlog_cil_alloc_shadow_bufs()
191 			lv->lv_item = lip;  in xlog_cil_alloc_shadow_bufs()
192 			lv->lv_size = buf_size;  in xlog_cil_alloc_shadow_bufs()
194 				lv->lv_buf_len = XFS_LOG_VEC_ORDERED;  in xlog_cil_alloc_shadow_bufs()
196 				lv->lv_iovecp = (struct xfs_log_iovec *)&lv[1];  in xlog_cil_alloc_shadow_bufs()
197 			lip->li_lv_shadow = lv;  in xlog_cil_alloc_shadow_bufs()
200 			lv = lip->li_lv_shadow;  in xlog_cil_alloc_shadow_bufs()
202 				lv->lv_buf_len = XFS_LOG_VEC_ORDERED;  in xlog_cil_alloc_shadow_bufs()
204 				lv->lv_buf_len = 0;  in xlog_cil_alloc_shadow_bufs()
205 			lv->lv_bytes = 0;  in xlog_cil_alloc_shadow_bufs()
206 			lv->lv_next = NULL;  in xlog_cil_alloc_shadow_bufs()
209 		/* Ensure the lv is set up according to ->iop_size */  in xlog_cil_alloc_shadow_bufs()
210 		lv->lv_niovecs = niovecs;  in xlog_cil_alloc_shadow_bufs()
213 		lv->lv_buf = (char *)lv + xlog_cil_iovec_space(niovecs);  in xlog_cil_alloc_shadow_bufs()
226 	struct xfs_log_vec	*lv,  in xfs_cil_prepare_item()  argument
231 	/* Account for the new LV being passed in */  in xfs_cil_prepare_item()
232 	if (lv->lv_buf_len != XFS_LOG_VEC_ORDERED) {  in xfs_cil_prepare_item()
233 		*diff_len += lv->lv_bytes;  in xfs_cil_prepare_item()
234 		*diff_iovecs += lv->lv_niovecs;  in xfs_cil_prepare_item()
238 	 * If there is no old LV, this is the first time we've seen the item in  in xfs_cil_prepare_item()
245 		if (lv->lv_item->li_ops->iop_pin)  in xfs_cil_prepare_item()
246 			lv->lv_item->li_ops->iop_pin(lv->lv_item);  in xfs_cil_prepare_item()
247 		lv->lv_item->li_lv_shadow = NULL;  in xfs_cil_prepare_item()
248 	} else if (old_lv != lv) {  in xfs_cil_prepare_item()
249 		ASSERT(lv->lv_buf_len != XFS_LOG_VEC_ORDERED);  in xfs_cil_prepare_item()
253 		lv->lv_item->li_lv_shadow = old_lv;  in xfs_cil_prepare_item()
257 	lv->lv_item->li_lv = lv;  in xfs_cil_prepare_item()
265 	if (!lv->lv_item->li_seq)  in xfs_cil_prepare_item()
266 		lv->lv_item->li_seq = log->l_cilp->xc_ctx->sequence;  in xfs_cil_prepare_item()
279  * dependent on the current state of the vector in the CIL - the shadow lv is
281  * use that if we can't reuse the existing lv. If we can't reuse the existing
282  * lv, then simple swap it out for the shadow lv. We don't free it - that is
314 		struct xfs_log_vec *lv;  in xlog_cil_insert_format_items()  local
325 		 * the shadow lv on the log item.  in xlog_cil_insert_format_items()
339 			lv = lip->li_lv;  in xlog_cil_insert_format_items()
340 			lv->lv_next = NULL;  in xlog_cil_insert_format_items()
349 			*diff_iovecs -= lv->lv_niovecs;  in xlog_cil_insert_format_items()
350 			*diff_len -= lv->lv_bytes;  in xlog_cil_insert_format_items()
352 			/* Ensure the lv is set up according to ->iop_size */  in xlog_cil_insert_format_items()
353 			lv->lv_niovecs = shadow->lv_niovecs;  in xlog_cil_insert_format_items()
355 			/* reset the lv buffer information for new formatting */  in xlog_cil_insert_format_items()
356 			lv->lv_buf_len = 0;  in xlog_cil_insert_format_items()
357 			lv->lv_bytes = 0;  in xlog_cil_insert_format_items()
358 			lv->lv_buf = (char *)lv +  in xlog_cil_insert_format_items()
359 					xlog_cil_iovec_space(lv->lv_niovecs);  in xlog_cil_insert_format_items()
362 			lv = shadow;  in xlog_cil_insert_format_items()
363 			lv->lv_item = lip;  in xlog_cil_insert_format_items()
371 		ASSERT(IS_ALIGNED((unsigned long)lv->lv_buf, sizeof(uint64_t)));  in xlog_cil_insert_format_items()
372 		lip->li_ops->iop_format(lip, lv);  in xlog_cil_insert_format_items()
374 		xfs_cil_prepare_item(log, lv, old_lv, diff_len, diff_iovecs);  in xlog_cil_insert_format_items()
490 	struct xfs_log_vec	*lv;  in xlog_cil_free_logvec()  local
492 	for (lv = log_vector; lv; ) {  in xlog_cil_free_logvec()
493 		struct xfs_log_vec *next = lv->lv_next;  in xlog_cil_free_logvec()
494 		kmem_free(lv);  in xlog_cil_free_logvec()
495 		lv = next;  in xlog_cil_free_logvec()
647 	struct xfs_log_vec	*lv;  in xlog_cil_push_work()  local
732 	lv = NULL;  in xlog_cil_push_work()
743 			lv->lv_next = item->li_lv;  in xlog_cil_push_work()
744 		lv = item->li_lv;  in xlog_cil_push_work()
746 		num_iovecs += lv->lv_niovecs;  in xlog_cil_push_work()