vdev_missing.c (219089) | vdev_missing.c (236155) |
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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 --- 10 unchanged lines hidden (view full) --- 19 * CDDL HEADER END 20 */ 21/* 22 * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26/* | 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 --- 10 unchanged lines hidden (view full) --- 19 * CDDL HEADER END 20 */ 21/* 22 * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26/* |
27 * Copyright (c) 2012 by Delphix. All rights reserved. 28 */ 29 30/* |
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27 * The 'missing' vdev is a special vdev type used only during import. It 28 * signifies a placeholder in the root vdev for some vdev that we know is 29 * missing. We pass it down to the kernel to allow the rest of the 30 * configuration to parsed and an attempt made to open all available devices. 31 * Because its GUID is always 0, we know that the guid sum will mismatch and we 32 * won't be able to open the pool anyway. 33 */ 34 35#include <sys/zfs_context.h> 36#include <sys/spa.h> 37#include <sys/vdev_impl.h> 38#include <sys/fs/zfs.h> 39#include <sys/zio.h> 40 41/* ARGSUSED */ 42static int | 31 * The 'missing' vdev is a special vdev type used only during import. It 32 * signifies a placeholder in the root vdev for some vdev that we know is 33 * missing. We pass it down to the kernel to allow the rest of the 34 * configuration to parsed and an attempt made to open all available devices. 35 * Because its GUID is always 0, we know that the guid sum will mismatch and we 36 * won't be able to open the pool anyway. 37 */ 38 39#include <sys/zfs_context.h> 40#include <sys/spa.h> 41#include <sys/vdev_impl.h> 42#include <sys/fs/zfs.h> 43#include <sys/zio.h> 44 45/* ARGSUSED */ 46static int |
43vdev_missing_open(vdev_t *vd, uint64_t *psize, uint64_t *ashift) | 47vdev_missing_open(vdev_t *vd, uint64_t *psize, uint64_t *max_psize, 48 uint64_t *ashift) |
44{ 45 /* 46 * Really this should just fail. But then the root vdev will be in the 47 * faulted state with VDEV_AUX_NO_REPLICAS, when what we really want is 48 * VDEV_AUX_BAD_GUID_SUM. So we pretend to succeed, knowing that we 49 * will fail the GUID sum check before ever trying to open the pool. 50 */ 51 *psize = 0; | 49{ 50 /* 51 * Really this should just fail. But then the root vdev will be in the 52 * faulted state with VDEV_AUX_NO_REPLICAS, when what we really want is 53 * VDEV_AUX_BAD_GUID_SUM. So we pretend to succeed, knowing that we 54 * will fail the GUID sum check before ever trying to open the pool. 55 */ 56 *psize = 0; |
57 *max_psize = 0; |
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52 *ashift = 0; 53 return (0); 54} 55 56/* ARGSUSED */ 57static void 58vdev_missing_close(vdev_t *vd) 59{ --- 41 unchanged lines hidden --- | 58 *ashift = 0; 59 return (0); 60} 61 62/* ARGSUSED */ 63static void 64vdev_missing_close(vdev_t *vd) 65{ --- 41 unchanged lines hidden --- |