diff options
Diffstat (limited to 'zfs/zcmd/zinject/zinject.c')
| -rw-r--r-- | zfs/zcmd/zinject/zinject.c | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/zfs/zcmd/zinject/zinject.c b/zfs/zcmd/zinject/zinject.c index e04939177..02dc18b9c 100644 --- a/zfs/zcmd/zinject/zinject.c +++ b/zfs/zcmd/zinject/zinject.c @@ -19,11 +19,11 @@ * CDDL HEADER END */ /* - * Copyright 2007 Sun Microsystems, Inc. All rights reserved. + * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ -#pragma ident "@(#)zinject.c 1.4 07/09/17 SMI" +#pragma ident "%Z%%M% %I% %E% SMI" /* * ZFS Fault Injector @@ -38,15 +38,18 @@ * Errors can be injected into a particular vdev using the '-d' option. This * option takes a path or vdev GUID to uniquely identify the device within a * pool. There are two types of errors that can be injected, EIO and ENXIO, - * that can be controlled through the '-t' option. The default is ENXIO. For + * that can be controlled through the '-e' option. The default is ENXIO. For * EIO failures, any attempt to read data from the device will return EIO, but * subsequent attempt to reopen the device will succeed. For ENXIO failures, * any attempt to read from the device will return EIO, but any attempt to * reopen the device will also return ENXIO. + * For label faults, the -L option must be specified. This allows faults + * to be injected into either the nvlist or uberblock region of all the labels + * for the specified device. * * This form of the command looks like: * - * zinject -d device [-t type] pool + * zinject -d device [-e errno] [-L <uber | nvlist>] pool * * * DATA FAULTS @@ -165,7 +168,9 @@ static const char *errtable[TYPE_INVAL] = { "config", "bplist", "spacemap", - "errlog" + "errlog", + "uber", + "nvlist" }; static err_type_t @@ -219,9 +224,10 @@ usage(void) "\t\tClear the particular record (if given a numeric ID), or\n" "\t\tall records if 'all' is specificed.\n" "\n" - "\tzinject -d device [-e errno] pool\n" - "\t\tInject a fault into a particular device. 'errno' can either\n" - "\t\tbe 'nxio' (the default) or 'io'.\n" + "\tzinject -d device [-e errno] [-L <nvlist|uber>] pool\n" + "\t\tInject a fault into a particular device or the device's\n" + "\t\tlabel. Label injection can either be 'nvlist' or 'uber'.\n" + "\t\t'errno' can either be 'nxio' (the default) or 'io'.\n" "\n" "\tzinject -b objset:object:level:blkid pool\n" "\n" @@ -474,6 +480,7 @@ main(int argc, char **argv) int error = 0; int domount = 0; err_type_t type = TYPE_INVAL; + err_type_t label = TYPE_INVAL; zinject_record_t record = { 0 }; char pool[MAXNAMELEN]; char dataset[MAXNAMELEN]; @@ -509,7 +516,7 @@ main(int argc, char **argv) return (0); } - while ((c = getopt(argc, argv, ":ab:d:f:qhc:t:l:mr:e:u")) != -1) { + while ((c = getopt(argc, argv, ":ab:d:f:qhc:t:l:mr:e:uL:")) != -1) { switch (c) { case 'a': flags |= ZINJECT_FLUSH_ARC; @@ -568,7 +575,8 @@ main(int argc, char **argv) range = optarg; break; case 't': - if ((type = name_to_type(optarg)) == TYPE_INVAL) { + if ((type = name_to_type(optarg)) == TYPE_INVAL && + !MOS_TYPE(type)) { (void) fprintf(stderr, "invalid type '%s'\n", optarg); usage(); @@ -578,6 +586,15 @@ main(int argc, char **argv) case 'u': flags |= ZINJECT_UNLOAD_SPA; break; + case 'L': + if ((label = name_to_type(optarg)) == TYPE_INVAL && + !LABEL_TYPE(type)) { + (void) fprintf(stderr, "invalid label type " + "'%s'\n", optarg); + usage(); + return (1); + } + break; case ':': (void) fprintf(stderr, "option -%c requires an " "operand\n", optopt); @@ -654,7 +671,7 @@ main(int argc, char **argv) return (1); } - if (translate_device(pool, device, &record) != 0) + if (translate_device(pool, device, label, &record) != 0) return (1); if (!error) error = ENXIO; |