* Incremental.c - support --incremental. Part of:
* mdadm - manage Linux "md" devices aka RAID arrays.
*
- * Copyright (C) 2006-2009 Neil Brown <neilb@suse.de>
+ * Copyright (C) 2006-2012 Neil Brown <neilb@suse.de>
*
*
* This program is free software; you can redistribute it and/or modify
struct supertype *st, int verbose);
static int Incremental_container(struct supertype *st, char *devname,
- char *homehost,
- int verbose, int runstop, int autof,
- int freeze_reshape);
+ struct context *c);
-int Incremental(char *devname, int verbose, int runstop,
- struct supertype *st, char *homehost, int require_homehost,
- int autof, int freeze_reshape)
+int Incremental(char *devname, struct context *c,
+ struct supertype *st)
{
/* Add this device to an array, creating the array if necessary
* and starting the array if sensible or - if runstop>0 - if possible.
struct createinfo *ci = conf_get_create_info();
if (stat(devname, &stb) < 0) {
- if (verbose >= 0)
+ if (c->verbose >= 0)
pr_err("stat failed for %s: %s.\n",
devname, strerror(errno));
return rv;
}
if ((stb.st_mode & S_IFMT) != S_IFBLK) {
- if (verbose >= 0)
+ if (c->verbose >= 0)
pr_err("%s is not a block device.\n",
devname);
return rv;
}
dfd = dev_open(devname, O_RDONLY|O_EXCL);
if (dfd < 0) {
- if (verbose >= 0)
+ if (c->verbose >= 0)
pr_err("cannot open %s: %s.\n",
devname, strerror(errno));
return rv;
if (map_lock(&map))
pr_err("failed to get "
"exclusive lock on mapfile\n");
- rv = Incremental_container(st, devname, homehost,
- verbose, runstop, autof,
- freeze_reshape);
+ rv = Incremental_container(st, devname, c);
map_unlock(&map);
return rv;
}
/* 1/ Check if device is permitted by mdadm.conf */
if (!conf_test_dev(devname)) {
- if (verbose >= 0)
+ if (c->verbose >= 0)
pr_err("%s not permitted by mdadm.conf.\n",
devname);
goto out;
* version/name from args) */
if (fstat(dfd, &stb) < 0) {
- if (verbose >= 0)
+ if (c->verbose >= 0)
pr_err("fstat failed for %s: %s.\n",
devname, strerror(errno));
goto out;
}
if ((stb.st_mode & S_IFMT) != S_IFBLK) {
- if (verbose >= 0)
+ if (c->verbose >= 0)
pr_err("%s is not a block device.\n",
devname);
goto out;
have_target = policy_check_path(&dinfo, &target_array);
if (st == NULL && (st = guess_super(dfd)) == NULL) {
- if (verbose >= 0)
+ if (c->verbose >= 0)
pr_err("no recognisable superblock on %s.\n",
devname);
rv = try_spare(devname, &dfd, policy,
have_target ? &target_array : NULL,
- st, verbose);
+ st, c->verbose);
goto out;
}
if (st->ss->compare_super == NULL ||
st->ss->load_super(st, dfd, NULL)) {
- if (verbose >= 0)
+ if (c->verbose >= 0)
pr_err("no RAID superblock on %s.\n",
devname);
rv = try_spare(devname, &dfd, policy,
have_target ? &target_array : NULL,
- st, verbose);
+ st, c->verbose);
free(st);
goto out;
}
st->ss->getinfo_super(st, &info, NULL);
/* 3/ Check if there is a match in mdadm.conf */
- match = conf_match(st, &info, devname, verbose, &rv);
+ match = conf_match(st, &info, devname, c->verbose, &rv);
if (!match && rv == 2)
goto out;
if (match && match->devname
&& strcasecmp(match->devname, "<ignore>") == 0) {
- if (verbose >= 0)
+ if (c->verbose >= 0)
pr_err("array containing %s is explicitly"
" ignored by mdadm.conf\n",
devname);
* on that. */
if (match)
trustworthy = LOCAL;
- else if (st->ss->match_home(st, homehost) == 1)
+ else if (st->ss->match_home(st, c->homehost) == 1)
trustworthy = LOCAL;
else if (st->ss->match_home(st, "any") == 1)
trustworthy = LOCAL_ANY;
else
trustworthy = FOREIGN;
-
if (!match && !conf_test_metadata(st->ss->name, policy,
(trustworthy == LOCAL))) {
- if (verbose >= 1)
+ if (c->verbose >= 1)
pr_err("%s has metadata type %s for which "
"auto-assembly is disabled\n",
devname, st->ss->name);
* CREATE.
*/
if (match && match->autof)
- autof = match->autof;
- if (autof == 0)
- autof = ci->autof;
+ c->autof = match->autof;
+ if (c->autof == 0)
+ c->autof = ci->autof;
name_to_use = info.name;
if (name_to_use[0] == 0 &&
trustworthy = METADATA;
}
if (name_to_use[0] && trustworthy != LOCAL &&
- ! require_homehost &&
+ ! c->require_homehost &&
conf_name_is_free(name_to_use))
trustworthy = LOCAL;
/* Couldn't find an existing array, maybe make a new one */
mdfd = create_mddev(match ? match->devname : NULL,
- name_to_use, autof, trustworthy, chosen_name);
+ name_to_use, c->autof, trustworthy, chosen_name);
if (mdfd < 0)
goto out_unlock;
}
sra = sysfs_read(mdfd, -1, (GET_DEVS | GET_STATE |
GET_OFFSET | GET_SIZE));
-
+
if (!sra || !sra->devs || sra->devs->disk.raid_disk >= 0) {
/* It really should be 'none' - must be old buggy
* kernel, and mdadm -I may not be able to complete.
sra = sysfs_read(mdfd, -1, (GET_DEVS | GET_STATE |
GET_OFFSET | GET_SIZE));
-
+
if (mp->path)
strcpy(chosen_name, mp->path);
else
&& (info.disk.state & (1<<MD_DISK_SYNC)) != 0
&& ! policy_action_allows(policy, st->ss->name,
act_re_add)
- && runstop < 1) {
+ && c->runstop < 1) {
if (ioctl(mdfd, GET_ARRAY_INFO, &ainf) == 0) {
pr_err("not adding %s to active array (without --run) %s\n",
devname, chosen_name);
* disk.number. Find and reject any such
*/
find_reject(mdfd, st, sra, info.disk.number,
- info.events, verbose, chosen_name);
+ info.events, c->verbose, chosen_name);
err = add_disk(mdfd, st, sra, &info);
}
if (err < 0) {
info.array.working_disks = 0;
for (d = sra->devs; d; d=d->next)
info.array.working_disks ++;
-
+
}
/* 7/ Is there enough devices to possibly start the array? */
int devnum = devnum; /* defined and used iff ->external */
/* Try to assemble within the container */
sysfs_uevent(sra, "change");
- if (verbose >= 0)
+ if (c->verbose >= 0)
pr_err("container %s now has %d device%s\n",
chosen_name, info.array.working_disks,
- info.array.working_disks==1?"":"s");
+ info.array.working_disks == 1?"":"s");
wait_for(chosen_name, mdfd);
if (st->ss->external)
devnum = fd2devnum(mdfd);
close(mdfd);
sysfs_free(sra);
if (!rv)
- rv = Incremental_container(st, chosen_name, homehost,
- verbose, runstop, autof,
- freeze_reshape);
+ rv = Incremental_container(st, chosen_name, c);
map_unlock(&map);
if (rv == 1)
/* Don't fail the whole -I if a subarray didn't
if (enough(info.array.level, info.array.raid_disks,
info.array.layout, info.array.state & 1,
avail) == 0) {
- if (verbose >= 0)
+ if (c->verbose >= 0)
pr_err("%s attached to %s, not enough to start (%d).\n",
devname, chosen_name, active_disks);
rv = 0;
/* + start the array (auto-readonly). */
if (ioctl(mdfd, GET_ARRAY_INFO, &ainf) == 0) {
- if (verbose >= 0)
+ if (c->verbose >= 0)
pr_err("%s attached to %s which is already active.\n",
devname, chosen_name);
rv = 0;
}
map_unlock(&map);
- if (runstop > 0 || active_disks >= info.array.working_disks) {
+ if (c->runstop > 0 || active_disks >= info.array.working_disks) {
struct mdinfo *dsk;
/* Let's try to start it */
if (match && match->bitmap_file) {
rv = sysfs_set_str(sra, NULL,
"array_state", "read-auto");
if (rv == 0) {
- if (verbose >= 0)
+ if (c->verbose >= 0)
pr_err("%s attached to %s, which has been started.\n",
devname, chosen_name);
rv = 0;
rv = 1;
}
} else {
- if (verbose >= 0)
+ if (c->verbose >= 0)
pr_err("%s attached to %s, not enough to start safely.\n",
devname, chosen_name);
rv = 0;
for (d = sra->devs ; d ; d = d->next)
numdevs++;
- for (d = sra->devs, devnum=0 ; d ; d = d->next, devnum++) {
+ for (d = sra->devs, devnum = 0 ; d ; d = d->next, devnum++) {
char dn[30];
int dfd;
int ok;
else if (info.events == max_events+1) {
int i;
max_events = info.events;
- for (i=0; i < raid_disks; i++)
+ for (i = 0; i < raid_disks; i++)
if (avail[i])
avail[i]--;
avail[info.disk.raid_disk] = 2;
if (st == NULL) {
int i;
st2 = NULL;
- for(i=0; !st2 && superlist[i]; i++)
+ for(i = 0; !st2 && superlist[i]; i++)
st2 = superlist[i]->match_metadata_desc(
sra->text_version);
if (!st2) {
} else {
int uuid[4];
struct map_ent *mp, *map = NULL;
-
+
if (!parse_uuid(devname, uuid))
return mdname;
mp = map_by_uuid(&map, uuid);
}
static int Incremental_container(struct supertype *st, char *devname,
- char *homehost, int verbose,
- int runstop, int autof, int freeze_reshape)
+ struct context *c)
{
/* Collect the contents of this container and for each
* array, choose a device name and assemble the array.
st->ss->getinfo_super(st, &info, NULL);
- if ((runstop > 0 && info.container_enough >= 0) ||
+ if ((c->runstop > 0 && info.container_enough >= 0) ||
info.container_enough > 0)
/* pass */;
else {
- if (verbose)
+ if (c->verbose)
pr_err("not enough devices to start the container\n");
return 0;
}
- match = conf_match(st, &info, devname, verbose, &rv);
+ match = conf_match(st, &info, devname, c->verbose, &rv);
if (match == NULL && rv == 2)
return rv;
/* Need to compute 'trustworthy' */
if (match)
trustworthy = LOCAL;
- else if (st->ss->match_home(st, homehost) == 1)
+ else if (st->ss->match_home(st, c->homehost) == 1)
trustworthy = LOCAL;
else if (st->ss->match_home(st, "any") == 1)
trustworthy = LOCAL;
free(dn);
/* we have a match */
match = array_list;
- if (verbose>0)
+ if (c->verbose>0)
pr_err("match found for member %s\n",
array_list->member);
break;
if (match && match->devname &&
strcasecmp(match->devname, "<ignore>") == 0) {
- if (verbose > 0)
+ if (c->verbose > 0)
pr_err("array %s/%s is "
"explicitly ignored by mdadm.conf\n",
match->container, match->member);
mdfd = create_mddev(match ? match->devname : NULL,
ra->name,
- autof,
+ c->autof,
trustworthy,
chosen_name);
}
return 2;
}
- assemble_container_content(st, mdfd, ra, runstop,
- chosen_name, verbose, NULL,
- freeze_reshape);
+ assemble_container_content(st, mdfd, ra, c,
+ chosen_name);
close(mdfd);
}
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