| vdev_raidz.c (332525) | vdev_raidz.c (339034) |
|---|---|
| 1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE --- 2570 unchanged lines hidden (view full) --- 2579 vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN, 2580 VDEV_AUX_NO_REPLICAS); 2581 else if (degraded + faulted != 0) 2582 vdev_set_state(vd, B_FALSE, VDEV_STATE_DEGRADED, VDEV_AUX_NONE); 2583 else 2584 vdev_set_state(vd, B_FALSE, VDEV_STATE_HEALTHY, VDEV_AUX_NONE); 2585} 2586 | 1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE --- 2570 unchanged lines hidden (view full) --- 2579 vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN, 2580 VDEV_AUX_NO_REPLICAS); 2581 else if (degraded + faulted != 0) 2582 vdev_set_state(vd, B_FALSE, VDEV_STATE_DEGRADED, VDEV_AUX_NONE); 2583 else 2584 vdev_set_state(vd, B_FALSE, VDEV_STATE_HEALTHY, VDEV_AUX_NONE); 2585} 2586 |
| 2587/* 2588 * Determine if any portion of the provided block resides on a child vdev 2589 * with a dirty DTL and therefore needs to be resilvered. The function 2590 * assumes that at least one DTL is dirty which imples that full stripe 2591 * width blocks must be resilvered. 2592 */ 2593static boolean_t 2594vdev_raidz_need_resilver(vdev_t *vd, uint64_t offset, size_t psize) 2595{ 2596 uint64_t dcols = vd->vdev_children; 2597 uint64_t nparity = vd->vdev_nparity; 2598 uint64_t ashift = vd->vdev_top->vdev_ashift; 2599 /* The starting RAIDZ (parent) vdev sector of the block. */ 2600 uint64_t b = offset >> ashift; 2601 /* The zio's size in units of the vdev's minimum sector size. */ 2602 uint64_t s = ((psize - 1) >> ashift) + 1; 2603 /* The first column for this stripe. */ 2604 uint64_t f = b % dcols; 2605 2606 if (s + nparity >= dcols) 2607 return (B_TRUE); 2608 2609 for (uint64_t c = 0; c < s + nparity; c++) { 2610 uint64_t devidx = (f + c) % dcols; 2611 vdev_t *cvd = vd->vdev_child[devidx]; 2612 2613 /* 2614 * dsl_scan_need_resilver() already checked vd with 2615 * vdev_dtl_contains(). So here just check cvd with 2616 * vdev_dtl_empty(), cheaper and a good approximation. 2617 */ 2618 if (!vdev_dtl_empty(cvd, DTL_PARTIAL)) 2619 return (B_TRUE); 2620 } 2621 2622 return (B_FALSE); 2623} 2624 |
|
| 2587vdev_ops_t vdev_raidz_ops = { 2588 vdev_raidz_open, 2589 vdev_raidz_close, 2590 vdev_raidz_asize, 2591 vdev_raidz_io_start, 2592 vdev_raidz_io_done, 2593 vdev_raidz_state_change, | 2625vdev_ops_t vdev_raidz_ops = { 2626 vdev_raidz_open, 2627 vdev_raidz_close, 2628 vdev_raidz_asize, 2629 vdev_raidz_io_start, 2630 vdev_raidz_io_done, 2631 vdev_raidz_state_change, |
| 2632 vdev_raidz_need_resilver, |
|
| 2594 NULL, 2595 NULL, 2596 NULL, 2597 VDEV_TYPE_RAIDZ, /* name of this vdev type */ 2598 B_FALSE /* not a leaf vdev */ 2599}; | 2633 NULL, 2634 NULL, 2635 NULL, 2636 VDEV_TYPE_RAIDZ, /* name of this vdev type */ 2637 B_FALSE /* not a leaf vdev */ 2638}; |