/*
* mdadm - manage Linux "md" devices aka RAID arrays.
*
- * Copyright (C) 2001-2006 Neil Brown <neilb@suse.de>
+ * Copyright (C) 2001-2013 Neil Brown <neilb@suse.de>
*
*
* This program is free software; you can redistribute it and/or modify
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Neil Brown
- * Email: <neilb@cse.unsw.edu.au>
- * Paper: Neil Brown
- * School of Computer Science and Engineering
- * The University of New South Wales
- * Sydney, 2052
- * Australia
+ * Email: <neilb@suse.de>
*/
#include "mdadm.h"
#endif
#include "md_u.h"
#include "md_p.h"
-int Examine(mddev_dev_t devlist, int brief, int scan,
- int SparcAdjust, struct supertype *forcest,
- char *homehost)
+int Examine(struct mddev_dev *devlist,
+ struct context *c,
+ struct supertype *forcest)
{
/* Read the raid superblock from a device and
*
* utime, state etc
*
- * If (brief) gather devices for same array and just print a mdadm.conf line including devices=
+ * If (brief) gather devices for same array and just print a mdadm.conf
+ * line including devices=
* if devlist==NULL, use conf_get_devs()
*/
- int fd;
- void *super = NULL;
+ int fd;
int rv = 0;
- int err = 0;
struct array {
- void *super;
struct supertype *st;
struct mdinfo info;
void *devs;
int spares;
} *arrays = NULL;
- for (; devlist ; devlist=devlist->next) {
- struct supertype *st = forcest;
+ for (; devlist ; devlist = devlist->next) {
+ struct supertype *st;
+ int have_container = 0;
+ int err = 0;
+ int container = 0;
fd = dev_open(devlist->devname, O_RDONLY);
if (fd < 0) {
- if (!scan) {
- fprintf(stderr,Name ": cannot open %s: %s\n",
- devlist->devname, strerror(errno));
- err = 1;
+ if (!c->scan) {
+ pr_err("cannot open %s: %s\n",
+ devlist->devname, strerror(errno));
+ rv = 1;
}
+ continue;
}
- else {
- if (!st)
- st = guess_super(fd);
- if (st)
- err = st->ss->load_super(st, fd, &super, (brief||scan)?NULL:devlist->devname);
- else {
- if (!brief)
- fprintf(stderr, Name ": No md superblock detected on %s.\n", devlist->devname);
- err = 1;
+
+ if (forcest)
+ st = dup_super(forcest);
+ else if (must_be_container(fd)) {
+ /* might be a container */
+ st = super_by_fd(fd, NULL);
+ container = 1;
+ } else
+ st = guess_super(fd);
+ if (st) {
+ err = 1;
+ st->ignore_hw_compat = 1;
+ if (!container)
+ err = st->ss->load_super(st, fd,
+ (c->brief||c->scan) ? NULL
+ :devlist->devname);
+ if (err && st->ss->load_container) {
+ err = st->ss->load_container(st, fd,
+ (c->brief||c->scan) ? NULL
+ :devlist->devname);
+ if (!err)
+ have_container = 1;
+ }
+ st->ignore_hw_compat = 0;
+ } else {
+ if (!c->brief) {
+ pr_err("No md superblock detected on %s.\n", devlist->devname);
+ rv = 1;
}
- close(fd);
+ err = 1;
}
+ close(fd);
+
if (err) {
- rv = 1;
+ if (st)
+ st->ss->free_super(st);
continue;
}
- if (SparcAdjust)
- st->ss->update_super(NULL, super, "sparc2.2", devlist->devname, 0, 0, NULL);
+ if (c->SparcAdjust)
+ st->ss->update_super(st, NULL, "sparc2.2",
+ devlist->devname, 0, 0, NULL);
/* Ok, its good enough to try, though the checksum could be wrong */
- if (brief) {
+
+ if (c->brief && st->ss->brief_examine_super == NULL) {
+ if (!c->scan)
+ pr_err("No brief listing for %s on %s\n",
+ st->ss->name, devlist->devname);
+ } else if (c->brief) {
struct array *ap;
char *d;
- for (ap=arrays; ap; ap=ap->next) {
- if (st->ss == ap->st->ss && st->ss->compare_super(&ap->super, super)==0)
+ for (ap = arrays; ap; ap = ap->next) {
+ if (st->ss == ap->st->ss &&
+ st->ss->compare_super(ap->st, st) == 0)
break;
}
if (!ap) {
- ap = malloc(sizeof(*ap));
- ap->super = super;
+ ap = xmalloc(sizeof(*ap));
ap->devs = dl_head();
ap->next = arrays;
ap->spares = 0;
ap->st = st;
arrays = ap;
- st->ss->getinfo_super(&ap->info, super);
- } else {
- st->ss->getinfo_super(&ap->info, super);
- free(super);
- }
- if (!(ap->info.disk.state & MD_DISK_SYNC))
+ st->ss->getinfo_super(st, &ap->info, NULL);
+ } else
+ st->ss->getinfo_super(st, &ap->info, NULL);
+ if (!have_container &&
+ !(ap->info.disk.state & (1<<MD_DISK_SYNC)))
ap->spares++;
d = dl_strdup(devlist->devname);
dl_add(ap->devs, d);
+ } else if (c->export) {
+ if (st->ss->export_examine_super)
+ st->ss->export_examine_super(st);
+ st->ss->free_super(st);
} else {
printf("%s:\n",devlist->devname);
- st->ss->examine_super(super, homehost);
- free(super);
+ st->ss->examine_super(st, c->homehost);
+ st->ss->free_super(st);
}
}
- if (brief) {
+ if (c->brief) {
struct array *ap;
- for (ap=arrays; ap; ap=ap->next) {
+ for (ap = arrays; ap; ap = ap->next) {
char sep='=';
char *d;
- ap->st->ss->brief_examine_super(ap->super);
- if (ap->spares) printf(" spares=%d", ap->spares);
- if (brief > 1) {
- printf(" devices");
- for (d=dl_next(ap->devs); d!= ap->devs; d=dl_next(d)) {
+ int newline = 0;
+
+ ap->st->ss->brief_examine_super(ap->st, c->verbose > 0);
+ if (ap->spares)
+ newline += printf(" spares=%d", ap->spares);
+ if (c->verbose > 0) {
+ newline += printf(" devices");
+ for (d = dl_next(ap->devs);
+ d != ap->devs;
+ d=dl_next(d)) {
printf("%c%s", sep, d);
sep=',';
}
}
- free(ap->super);
+ if (ap->st->ss->brief_examine_subarrays) {
+ if (newline)
+ printf("\n");
+ ap->st->ss->brief_examine_subarrays(ap->st, c->verbose);
+ }
+ ap->st->ss->free_super(ap->st);
/* FIXME free ap */
- if (ap->spares || brief > 1)
+ if (ap->spares || c->verbose > 0)
printf("\n");
}
}
return rv;
}
+
+int ExamineBadblocks(char *devname, int brief, struct supertype *forcest)
+{
+ int fd = dev_open(devname, O_RDONLY);
+ struct supertype *st = forcest;
+ int err = 1;
+
+ if (fd < 0) {
+ pr_err("cannot open %s: %s\n", devname, strerror(errno));
+ return 1;
+ }
+ if (!st)
+ st = guess_super(fd);
+ if (!st) {
+ if (!brief)
+ pr_err("No md superblock detected on %s\n", devname);
+ goto out;
+ }
+ if (!st->ss->examine_badblocks) {
+ pr_err("%s metadata does not support badblocks\n", st->ss->name);
+ goto out;
+ }
+ err = st->ss->load_super(st, fd, brief ? NULL : devname);
+ if (err)
+ goto out;
+ err = st->ss->examine_badblocks(st, fd, devname);
+
+out:
+ if (fd >= 0)
+ close(fd);
+ if (st) {
+ st->ss->free_super(st);
+ free(st);
+ }
+ return err;
+}
projects / thirdparty / mdadm.git / blobdiff