/*
* mdadm - manage Linux "md" devices aka RAID arrays.
*
- * Copyright (C) 2001-2013 Neil Brown <neilb@suse.de>
+ * Copyright (C) 2001-2016 Neil Brown <neilb@suse.com>
*
*
* This program is free software; you can redistribute it and/or modify
int err;
fstat(mdfd, &stb2);
- if (strcmp(c->update, "uuid")==0 &&
- !ident->uuid_set) {
- int rfd;
- if ((rfd = open("/dev/urandom", O_RDONLY)) < 0 ||
- read(rfd, ident->uuid, 16) != 16) {
- *(__u32*)(ident->uuid) = random();
- *(__u32*)(ident->uuid+1) = random();
- *(__u32*)(ident->uuid+2) = random();
- *(__u32*)(ident->uuid+3) = random();
- }
- if (rfd >= 0) close(rfd);
- }
+ if (strcmp(c->update, "uuid") == 0 && !ident->uuid_set)
+ random_uuid((__u8 *)ident->uuid);
+
dfd = dev_open(devname,
tmpdev->disposition == 'I'
? O_RDWR : (O_RDWR|O_EXCL));
} else if (strcmp(c->update, "nodes") == 0) {
tst->nodes = c->nodes;
err = tst->ss->write_bitmap(tst, dfd, NodeNumUpdate);
- } else
+ } else if (strcmp(c->update, "revert-reshape") == 0 &&
+ c->invalid_backup)
+ err = tst->ss->update_super(tst, content,
+ "revert-reshape-nobackup",
+ devname, c->verbose,
+ ident->uuid_set,
+ c->homehost);
+ else
err = tst->ss->update_super(tst, content, c->update,
devname, c->verbose,
ident->uuid_set,
int clean, char *avail,
int start_partial_ok,
int err_ok,
- int was_forced,
- int expect_journal,
- int journal_clean
+ int was_forced
)
{
int rv;
int i;
unsigned int req_cnt;
- if (expect_journal && (journal_clean == 0)) {
+ if (content->journal_device_required && (content->journal_clean == 0)) {
if (!c->force) {
pr_err("Not safe to assemble with missing or stale journal device, consider --force.\n");
return 1;
c->readonly = 1;
}
+ if (content->consistency_policy == CONSISTENCY_POLICY_PPL)
+ clean = 1;
+
rv = set_array_info(mdfd, st, content);
if (rv && !err_ok) {
pr_err("failed to set array info for %s: %s\n",
fprintf(stderr, "%s %d rebuilding", sparecnt?",":" and", rebuilding_cnt);
if (sparecnt)
fprintf(stderr, " and %d spare%s", sparecnt, sparecnt==1?"":"s");
- if (journal_clean)
+ if (content->journal_clean)
fprintf(stderr, " and %d journal", journalcnt);
fprintf(stderr, ".\n");
}
int bestcnt = 0;
int devcnt;
unsigned int okcnt, sparecnt, rebuilding_cnt, replcnt, journalcnt;
+ int journal_clean = 0;
int i;
int was_forced = 0;
int most_recent = 0;
- int expect_journal = 0;
- int journal_clean = 0;
int chosen_drive;
int change = 0;
int inargv = 0;
if (!st || !st->sb || !content)
return 2;
- if (st->ss->require_journal) {
- expect_journal = st->ss->require_journal(st);
- if (expect_journal == 2) {
- pr_err("BUG: Superblock not loaded in Assemble.c:Assemble\n");
- return 1;
- }
- }
-
/* We have a full set of devices - we now need to find the
* array device.
* However there is a risk that we are racing with "mdadm -I"
*/
if (content->array.level != LEVEL_MULTIPATH) {
if (devices[j].i.disk.state & (1<<MD_DISK_JOURNAL)) {
- if (expect_journal)
+ if (content->journal_device_required)
journalcnt++;
else /* unexpected journal, mark as faulty */
devices[j].i.disk.state |= (1<<MD_DISK_FAULTY);
#ifndef MDASSEMBLE
sysfs_init(content, mdfd, NULL);
#endif
+ /* after reload context, store journal_clean in context */
+ content->journal_clean = journal_clean;
for (i=0; i<bestcnt; i++) {
int j = best[i];
unsigned int desired_state;
c,
clean, avail, start_partial_ok,
pre_exist != NULL,
- was_forced, expect_journal, journal_clean);
+ was_forced);
if (rv == 1 && !pre_exist)
ioctl(mdfd, STOP_ARRAY, NULL);
free(devices);
struct mdinfo *dev, *sra, *dev2;
int working = 0, preexist = 0;
int expansion = 0;
- struct map_ent *map = NULL;
int old_raid_disks;
int start_reshape;
- char *avail = NULL;
+ char *avail;
int err;
sysfs_init(content, mdfd, NULL);
content->text_version[0] == '/')
content->text_version[0] = '-';
if (sysfs_set_array(content, md_get_version(mdfd)) != 0) {
- if (sra)
- sysfs_free(sra);
+ sysfs_free(sra);
return 1;
}
}
free(avail);
return 1;/* Nothing new, don't try to start */
}
- map_update(&map, fd2devnm(mdfd),
- content->text_version,
+ map_update(NULL, fd2devnm(mdfd), content->text_version,
content->uuid, chosen_name);
+ if (content->consistency_policy == CONSISTENCY_POLICY_PPL &&
+ st->ss->validate_ppl) {
+ content->array.state |= 1;
+ err = 0;
+
+ for (dev = content->devs; dev; dev = dev->next) {
+ int dfd;
+ char *devpath;
+ int ret;
+
+ ret = st->ss->validate_ppl(st, content, dev);
+ if (ret == 0)
+ continue;
+
+ if (ret < 0) {
+ err = 1;
+ break;
+ }
+
+ if (!c->force) {
+ pr_err("%s contains invalid PPL - consider --force or --update-subarray with --update=no-ppl\n",
+ chosen_name);
+ content->array.state &= ~1;
+ avail[dev->disk.raid_disk] = 0;
+ break;
+ }
+
+ /* have --force - overwrite the invalid ppl */
+ devpath = map_dev(dev->disk.major, dev->disk.minor, 0);
+ dfd = dev_open(devpath, O_RDWR);
+ if (dfd < 0) {
+ pr_err("Failed to open %s\n", devpath);
+ err = 1;
+ break;
+ }
+
+ err = st->ss->write_init_ppl(st, content, dfd);
+ close(dfd);
+
+ if (err)
+ break;
+ }
+
+ if (err) {
+ free(avail);
+ return err;
+ }
+ }
if (enough(content->array.level, content->array.raid_disks,
content->array.layout, content->array.state & 1, avail) == 0) {
projects / thirdparty / mdadm.git / blobdiff