| vdev_raidz.c (269407) | vdev_raidz.c (274304) |
|---|---|
| 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 --- 7 unchanged lines hidden (view full) --- 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22/* 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. | 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 --- 7 unchanged lines hidden (view full) --- 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22/* 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
| 24 * Copyright (c) 2013 by Delphix. All rights reserved. | 24 * Copyright (c) 2012, 2014 by Delphix. All rights reserved. |
| 25 * Copyright (c) 2013, Joyent, Inc. All rights reserved. 26 */ 27 28#include <sys/zfs_context.h> 29#include <sys/spa.h> 30#include <sys/vdev_impl.h> 31#ifdef illumos 32#include <sys/vdev_disk.h> --- 1688 unchanged lines hidden (view full) --- 1721 * write zio children for those areas to improve aggregation continuity. 1722 * - For read operations: 1723 * 1. Create child zio read operations to each data column's vdev to read 1724 * the range of data required for zio. 1725 * 2. If this is a scrub or resilver operation, or if any of the data 1726 * vdevs have had errors, then create zio read operations to the parity 1727 * columns' VDevs as well. 1728 */ | 25 * Copyright (c) 2013, Joyent, Inc. All rights reserved. 26 */ 27 28#include <sys/zfs_context.h> 29#include <sys/spa.h> 30#include <sys/vdev_impl.h> 31#ifdef illumos 32#include <sys/vdev_disk.h> --- 1688 unchanged lines hidden (view full) --- 1721 * write zio children for those areas to improve aggregation continuity. 1722 * - For read operations: 1723 * 1. Create child zio read operations to each data column's vdev to read 1724 * the range of data required for zio. 1725 * 2. If this is a scrub or resilver operation, or if any of the data 1726 * vdevs have had errors, then create zio read operations to the parity 1727 * columns' VDevs as well. 1728 */ |
| 1729static int | 1729static void |
| 1730vdev_raidz_io_start(zio_t *zio) 1731{ 1732 vdev_t *vd = zio->io_vd; 1733 vdev_t *tvd = vd->vdev_top; 1734 vdev_t *cvd; 1735 raidz_map_t *rm; 1736 raidz_col_t *rc; 1737 int c, i; --- 13 unchanged lines hidden (view full) --- 1751 rc = &rm->rm_col[c]; 1752 cvd = vd->vdev_child[rc->rc_devidx]; 1753 zio_nowait(zio_vdev_child_io(zio, NULL, cvd, 1754 rc->rc_offset, rc->rc_data, rc->rc_size, 1755 zio->io_type, zio->io_priority, 0, 1756 vdev_raidz_child_done, rc)); 1757 } 1758 | 1730vdev_raidz_io_start(zio_t *zio) 1731{ 1732 vdev_t *vd = zio->io_vd; 1733 vdev_t *tvd = vd->vdev_top; 1734 vdev_t *cvd; 1735 raidz_map_t *rm; 1736 raidz_col_t *rc; 1737 int c, i; --- 13 unchanged lines hidden (view full) --- 1751 rc = &rm->rm_col[c]; 1752 cvd = vd->vdev_child[rc->rc_devidx]; 1753 zio_nowait(zio_vdev_child_io(zio, NULL, cvd, 1754 rc->rc_offset, rc->rc_data, rc->rc_size, 1755 zio->io_type, zio->io_priority, 0, 1756 vdev_raidz_child_done, rc)); 1757 } 1758 |
| 1759 zio_interrupt(zio); 1760 return (ZIO_PIPELINE_STOP); | 1759 zio_execute(zio); 1760 return; |
| 1761 } 1762 1763 if (zio->io_type == ZIO_TYPE_WRITE) { 1764 vdev_raidz_generate_parity(rm); 1765 1766 for (c = 0; c < rm->rm_cols; c++) { 1767 rc = &rm->rm_col[c]; 1768 cvd = vd->vdev_child[rc->rc_devidx]; --- 15 unchanged lines hidden (view full) --- 1784 cvd = vd->vdev_child[rc->rc_devidx]; 1785 zio_nowait(zio_vdev_child_io(zio, NULL, cvd, 1786 rc->rc_offset + rc->rc_size, NULL, 1787 1 << tvd->vdev_ashift, 1788 zio->io_type, zio->io_priority, 1789 ZIO_FLAG_NODATA | ZIO_FLAG_OPTIONAL, NULL, NULL)); 1790 } 1791 | 1761 } 1762 1763 if (zio->io_type == ZIO_TYPE_WRITE) { 1764 vdev_raidz_generate_parity(rm); 1765 1766 for (c = 0; c < rm->rm_cols; c++) { 1767 rc = &rm->rm_col[c]; 1768 cvd = vd->vdev_child[rc->rc_devidx]; --- 15 unchanged lines hidden (view full) --- 1784 cvd = vd->vdev_child[rc->rc_devidx]; 1785 zio_nowait(zio_vdev_child_io(zio, NULL, cvd, 1786 rc->rc_offset + rc->rc_size, NULL, 1787 1 << tvd->vdev_ashift, 1788 zio->io_type, zio->io_priority, 1789 ZIO_FLAG_NODATA | ZIO_FLAG_OPTIONAL, NULL, NULL)); 1790 } 1791 |
| 1792 zio_interrupt(zio); 1793 return (ZIO_PIPELINE_STOP); | 1792 zio_execute(zio); 1793 return; |
| 1794 } 1795 1796 ASSERT(zio->io_type == ZIO_TYPE_READ); 1797 1798 /* 1799 * Iterate over the columns in reverse order so that we hit the parity 1800 * last -- any errors along the way will force us to read the parity. 1801 */ --- 23 unchanged lines hidden (view full) --- 1825 (zio->io_flags & (ZIO_FLAG_SCRUB | ZIO_FLAG_RESILVER))) { 1826 zio_nowait(zio_vdev_child_io(zio, NULL, cvd, 1827 rc->rc_offset, rc->rc_data, rc->rc_size, 1828 zio->io_type, zio->io_priority, 0, 1829 vdev_raidz_child_done, rc)); 1830 } 1831 } 1832 | 1794 } 1795 1796 ASSERT(zio->io_type == ZIO_TYPE_READ); 1797 1798 /* 1799 * Iterate over the columns in reverse order so that we hit the parity 1800 * last -- any errors along the way will force us to read the parity. 1801 */ --- 23 unchanged lines hidden (view full) --- 1825 (zio->io_flags & (ZIO_FLAG_SCRUB | ZIO_FLAG_RESILVER))) { 1826 zio_nowait(zio_vdev_child_io(zio, NULL, cvd, 1827 rc->rc_offset, rc->rc_data, rc->rc_size, 1828 zio->io_type, zio->io_priority, 0, 1829 vdev_raidz_child_done, rc)); 1830 } 1831 } 1832 |
| 1833 zio_interrupt(zio); 1834 return (ZIO_PIPELINE_STOP); | 1833 zio_execute(zio); |
| 1835} 1836 1837 1838/* 1839 * Report a checksum error for a child of a RAID-Z device. 1840 */ 1841static void 1842raidz_checksum_error(zio_t *zio, raidz_col_t *rc, void *bad_data) --- 565 unchanged lines hidden --- | 1834} 1835 1836 1837/* 1838 * Report a checksum error for a child of a RAID-Z device. 1839 */ 1840static void 1841raidz_checksum_error(zio_t *zio, raidz_col_t *rc, void *bad_data) --- 565 unchanged lines hidden --- |