if (!match && rv == 2)
goto out;
- if (match && match->devname &&
- strcasecmp(match->devname, "<ignore>") == 0) {
+ if (match && match->devname && is_devname_ignore(match->devname) == true) {
if (c->verbose >= 0)
pr_err("array containing %s is explicitly ignored by mdadm.conf\n",
devname);
c->autof = ci->autof;
name_to_use = info.name;
- if (name_to_use[0] == 0 && info.array.level == LEVEL_CONTAINER) {
+ if (name_to_use[0] == 0 && is_container(info.array.level)) {
name_to_use = info.text_version;
trustworthy = METADATA;
}
}
st2 = dup_super(st);
if (st2->ss->load_super(st2, dfd2, NULL) ||
- st->ss->compare_super(st, st2) != 0) {
+ st->ss->compare_super(st, st2, 1) != 0) {
pr_err("metadata mismatch between %s and chosen array %s\n",
devname, chosen_name);
close(dfd2);
info.array.working_disks ++;
}
- if (strncmp(chosen_name, "/dev/md/", 8) == 0)
- md_devname = chosen_name+8;
+ if (strncmp(chosen_name, DEV_MD_DIR, DEV_MD_DIR_LEN) == 0)
+ md_devname = chosen_name + DEV_MD_DIR_LEN;
else
md_devname = chosen_name;
if (c->export) {
/* 7/ Is there enough devices to possibly start the array? */
/* 7a/ if not, finish with success. */
- if (info.array.level == LEVEL_CONTAINER) {
+ if (is_container(info.array.level)) {
char devnm[32];
/* Try to assemble within the container */
sysfs_uevent(sra, "change");
pr_err("container %s now has %d device%s\n",
chosen_name, info.array.working_disks,
info.array.working_disks == 1?"":"s");
+ sysfs_rules_apply(chosen_name, &info);
wait_for(chosen_name, mdfd);
if (st->ss->external)
strcpy(devnm, fd2devnm(mdfd));
GET_OFFSET | GET_SIZE));
active_disks = count_active(st, sra, mdfd, &avail, &info);
+ if (!avail)
+ goto out_unlock;
+
journal_device_missing = (info.journal_device_required) && (info.journal_clean == 0);
if (info.consistency_policy == CONSISTENCY_POLICY_PPL)
continue;
if (d->disk.raid_disk > -1)
- sysfs_set_str(sra, d, "slot", "none");
+ sysfs_set_str(sra, d, "slot", STR_COMMON_NONE);
if (sysfs_set_str(sra, d, "state", "remove") == 0)
if (verbose >= 0)
pr_err("removing old device %s from %s\n",
int cnt = 0;
int replcnt = 0;
__u64 max_events = 0;
+ __u64 max_journal_events = 0;
char *avail = NULL;
int *best = NULL;
char *devmap = NULL;
info.array.raid_disks = raid_disks;
st->ss->getinfo_super(st, &info, devmap + raid_disks * devnum);
- if (info.disk.raid_disk == MD_DISK_ROLE_JOURNAL)
- bestinfo->journal_clean = 1;
+ if (info.disk.raid_disk == MD_DISK_ROLE_JOURNAL &&
+ info.events > max_journal_events)
+ max_journal_events = info.events;
if (!avail) {
raid_disks = info.array.raid_disks;
avail = xcalloc(raid_disks, 1);
replcnt++;
st->ss->free_super(st);
}
+ if (max_journal_events >= max_events - 1)
+ bestinfo->journal_clean = 1;
if (!avail)
return 0;
}
/* test if container has degraded member(s) */
-static int container_members_max_degradation(struct map_ent *map, struct map_ent *me)
+static int
+container_members_max_degradation(struct map_ent *map, struct map_ent *me)
{
- mdu_array_info_t array;
- int afd;
- int max_degraded = 0;
+ struct mdinfo *sra;
+ int degraded, max_degraded = 0;
for(; map; map = map->next) {
if (!metadata_container_matches(map->metadata, me->devnm))
continue;
- afd = open_dev(map->devnm);
- if (afd < 0)
- continue;
/* most accurate information regarding array degradation */
- if (md_get_array_info(afd, &array) >= 0) {
- int degraded = array.raid_disks - array.active_disks -
- array.spare_disks;
- if (degraded > max_degraded)
- max_degraded = degraded;
- }
- close(afd);
+ sra = sysfs_read(-1, map->devnm,
+ GET_DISKS | GET_DEVS | GET_STATE);
+ if (!sra)
+ continue;
+ degraded = sra->array.raid_disks - sra->array.active_disks -
+ sra->array.spare_disks;
+ if (degraded > max_degraded)
+ max_degraded = degraded;
+ sysfs_free(sra);
}
+
return max_degraded;
}
+/**
+ * incremental_external_test_spare_criteria() - helper to test spare criteria.
+ * @st: supertype, must be not NULL, it is duplicated here.
+ * @container_devnm: devnm of the container.
+ * @disk_fd: file descriptor of device to tested.
+ * @verbose: verbose flag.
+ *
+ * The function is used on new drive verification path to check if it can be added to external
+ * container. To test spare criteria, metadata must be loaded. It duplicates super to not mess in
+ * original one.
+ * Function is executed if superblock supports get_spare_criteria(), otherwise success is returned.
+ */
+mdadm_status_t incremental_external_test_spare_criteria(struct supertype *st, char *container_devnm,
+ int disk_fd, int verbose)
+{
+ mdadm_status_t rv = MDADM_STATUS_ERROR;
+ char container_devname[PATH_MAX];
+ struct spare_criteria sc = {0};
+ struct supertype *dup;
+
+ if (!st->ss->get_spare_criteria)
+ return MDADM_STATUS_SUCCESS;
+
+ dup = dup_super(st);
+ snprintf(container_devname, PATH_MAX, "/dev/%s", container_devnm);
+
+ if (dup->ss->get_spare_criteria(dup, container_devname, &sc) != 0) {
+ if (verbose > 1)
+ pr_err("Failed to get spare criteria for %s\n", container_devname);
+ goto out;
+ }
+
+ if (!disk_fd_matches_criteria(dup, disk_fd, &sc)) {
+ if (verbose > 1)
+ pr_err("Disk does not match spare criteria for %s\n", container_devname);
+ goto out;
+ }
+
+ rv = MDADM_STATUS_SUCCESS;
+
+out:
+ dev_policy_free(sc.pols);
+ dup->ss->free_super(dup);
+ free(dup);
+
+ return rv;
+}
+
static int array_try_spare(char *devname, int *dfdp, struct dev_policy *pol,
struct map_ent *target, int bare,
struct supertype *st, int verbose)
struct supertype *st2;
struct domainlist *dl = NULL;
struct mdinfo *sra;
- unsigned long long devsize;
- unsigned long long component_size = 0;
+ unsigned long long freesize = 0;
if (is_subarray(mp->metadata))
continue;
}
sra = sysfs_read(-1, mp->devnm,
GET_DEVS|GET_OFFSET|GET_SIZE|GET_STATE|
- GET_DEGRADED|GET_COMPONENT|GET_VERSION);
- if (!sra) {
- /* Probably a container - no degraded info */
- sra = sysfs_read(-1, mp->devnm,
- GET_DEVS|GET_OFFSET|GET_SIZE|GET_STATE|
- GET_COMPONENT|GET_VERSION);
- if (sra)
- sra->array.failed_disks = -1;
- }
- if (!sra)
+ GET_COMPONENT|GET_VERSION);
+ if (sra)
+ sra->array.failed_disks = -1;
+ else
continue;
if (st == NULL) {
int i;
if (sra->array.failed_disks == -1)
sra->array.failed_disks = container_members_max_degradation(map, mp);
- get_dev_size(dfd, NULL, &devsize);
if (sra->component_size == 0) {
- /* true for containers, here we must read superblock
- * to obtain minimum spare size */
- struct supertype *st3 = dup_super(st2);
- int mdfd = open_dev(mp->devnm);
- if (mdfd < 0) {
- free(st3);
+ /* true for containers */
+ if (incremental_external_test_spare_criteria(st2, mp->devnm, dfd, verbose))
goto next;
- }
- if (st3->ss->load_container &&
- !st3->ss->load_container(st3, mdfd, mp->path)) {
- component_size = st3->ss->min_acceptable_spare_size(st3);
- st3->ss->free_super(st3);
- }
- free(st3);
- close(mdfd);
}
- if ((sra->component_size > 0 &&
- st2->ss->avail_size(st2, devsize,
- sra->devs ? sra->devs->data_offset :
- INVALID_SECTORS) <
- sra->component_size) ||
- (sra->component_size == 0 && devsize < component_size)) {
+
+ if (sra->component_size > 0 &&
+ st2->ss->validate_geometry(st2, sra->array.level, sra->array.layout,
+ sra->array.raid_disks, &sra->array.chunk_size,
+ sra->component_size,
+ sra->devs ? sra->devs->data_offset : INVALID_SECTORS,
+ devname, &freesize, sra->consistency_policy,
+ 0) && freesize < sra->component_size) {
if (verbose > 1)
pr_err("not adding %s to %s as it is too small\n",
devname, mp->path);
close(dfd);
*dfdp = -1;
rv = Manage_subdevs(chosen->sys_name, mdfd, &devlist,
- -1, 0, NULL, 0);
+ -1, 0, UOPT_UNDEFINED, 0);
close(mdfd);
}
if (verbose > 0) {
struct supertype *st2 = NULL;
char *devname = NULL;
unsigned long long devsectors;
+ char *pathlist[2];
if (de->d_ino == 0 || de->d_name[0] == '.' ||
(de->d_type != DT_LNK && de->d_type != DT_UNKNOWN))
/* This is a partition - skip it */
goto next;
- pol2 = path_policy(de->d_name, type_disk);
+ pathlist[0] = de->d_name;
+ pathlist[1] = NULL;
+ pol2 = path_policy(pathlist, type_disk);
domain_merge(&domlist, pol2, st ? st->ss->name : NULL);
if (domain_test(domlist, pol, st ? st->ss->name : NULL) != 1)
* what arrays might be candidates.
*/
if (st) {
- /* just try try 'array' or 'partition' based on this metadata */
+ /* just try to add 'array' or 'partition' based on this metadata */
if (st->ss->add_to_super)
return array_try_spare(devname, dfdp, pol, target, bare,
st, verbose);
restart:
for (me = mapl ; me ; me = me->next) {
- mdu_array_info_t array;
struct mdinfo *sra;
int mdfd;
}
mdfd = open_dev(me->devnm);
- if (mdfd < 0)
+ if (!is_fd_valid(mdfd))
continue;
if (!isdigit(me->metadata[0])) {
/* must be a container */
if (st && st->ss->load_container)
ret = st->ss->load_container(st, mdfd, NULL);
- close(mdfd);
+ close_fd(&mdfd);
if (!ret && st && st->ss->container_content) {
if (map_lock(&map))
pr_err("failed to get exclusive lock on mapfile\n");
rv = 1;
continue;
}
- if (md_get_array_info(mdfd, &array) == 0 || errno != ENODEV) {
- close(mdfd);
+ if (md_array_active(mdfd)) {
+ close_fd(&mdfd);
continue;
}
/* Ok, we can try this one. Maybe it needs a bitmap */
int bmfd;
bmfd = open(mddev->bitmap_file, O_RDWR);
- if (bmfd >= 0) {
+ if (is_fd_valid(bmfd)) {
added = ioctl(mdfd, SET_BITMAP_FILE, bmfd);
- close(bmfd);
+ close_fd(&bmfd);
}
if (c->verbose >= 0) {
if (added == 0)
}
sysfs_free(sra);
}
+ close_fd(&mdfd);
}
+ map_free(mapl);
return rv;
}
int trustworthy;
struct mddev_ident *match;
int rv = 0;
- struct domainlist *domains;
- struct map_ent *smp;
- int suuid[4];
- int sfd;
- int ra_blocked = 0;
- int ra_all = 0;
int result = 0;
st->ss->getinfo_super(st, &info, NULL);
- if ((c->runstop > 0 && info.container_enough >= 0) ||
- info.container_enough > 0)
- /* pass */;
- else {
- if (c->export) {
+ if (info.container_enough < 0 || (info.container_enough == 0 && c->runstop < 1)) {
+ if (c->export)
printf("MD_STARTED=no\n");
- } else if (c->verbose)
- pr_err("not enough devices to start the container\n");
+ else if (c->verbose)
+ pr_err("Not enough devices to start the container.\n");
+
return 0;
}
return 0;
}
for (ra = list ; ra ; ra = ra->next) {
- int mdfd;
+ int mdfd = -1;
char chosen_name[1024];
struct map_ent *mp;
struct mddev_ident *match = NULL;
- ra_all++;
/* do not activate arrays blocked by metadata handler */
if (ra->array.state & (1 << MD_SB_BLOCK_VOLUME)) {
pr_err("Cannot activate array %s in %s.\n",
ra->text_version, devname);
- ra_blocked++;
continue;
}
mp = map_by_uuid(&map, ra->uuid);
if (mp) {
mdfd = open_dev(mp->devnm);
+ if (!is_fd_valid(mdfd)) {
+ pr_err("failed to open %s: %s.\n",
+ mp->devnm, strerror(errno));
+ rv = 2;
+ goto release;
+ }
if (mp->path)
strcpy(chosen_name, mp->path);
else
break;
}
- if (match && match->devname &&
- strcasecmp(match->devname, "<ignore>") == 0) {
+ if (match && match->devname && is_devname_ignore(match->devname) == true) {
if (c->verbose > 0)
pr_err("array %s/%s is explicitly ignored by mdadm.conf\n",
match->container, match->member);
c->autof,
trustworthy,
chosen_name, 0);
+
+ if (!is_fd_valid(mdfd)) {
+ pr_err("create_mddev failed with chosen name %s: %s.\n",
+ chosen_name, strerror(errno));
+ rv = 2;
+ goto release;
+ }
}
- if (only && (!mp || strcmp(mp->devnm, only) != 0))
- continue;
- if (mdfd < 0) {
- pr_err("failed to open %s: %s.\n",
- chosen_name, strerror(errno));
- return 2;
+ if (only && (!mp || strcmp(mp->devnm, only) != 0)) {
+ close_fd(&mdfd);
+ continue;
}
assemble_container_content(st, mdfd, ra, c,
chosen_name, &result);
- close(mdfd);
+ map_free(map);
+ map = NULL;
+ close_fd(&mdfd);
}
if (c->export && result) {
char sep = '=';
printf("\n");
}
- /* don't move spares to container with volume being activated
- when all volumes are blocked */
- if (ra_all == ra_blocked)
- return 0;
-
- /* Now move all suitable spares from spare container */
- domains = domain_from_array(list, st->ss->name);
- memcpy(suuid, uuid_zero, sizeof(int[4]));
- if (domains &&
- (smp = map_by_uuid(&map, suuid)) != NULL &&
- (sfd = open(smp->path, O_RDONLY)) >= 0) {
- /* spare container found */
- struct supertype *sst =
- super_imsm.match_metadata_desc("imsm");
- struct mdinfo *sinfo;
- unsigned long long min_size = 0;
- if (st->ss->min_acceptable_spare_size)
- min_size = st->ss->min_acceptable_spare_size(st);
- if (!sst->ss->load_container(sst, sfd, NULL)) {
- close(sfd);
- sinfo = container_choose_spares(sst, min_size,
- domains, NULL,
- st->ss->name, 0);
- sst->ss->free_super(sst);
- if (sinfo){
- int count = 0;
- struct mdinfo *disks = sinfo->devs;
- while (disks) {
- /* move spare from spare
- * container to currently
- * assembled one
- */
- if (move_spare(
- smp->path,
- devname,
- makedev(disks->disk.major,
- disks->disk.minor)))
- count++;
- disks = disks->next;
- }
- if (count)
- pr_err("Added %d spare%s to %s\n",
- count, count>1?"s":"", devname);
- }
- sysfs_free(sinfo);
- } else
- close(sfd);
- }
- domain_free(domains);
- return 0;
+release:
+ map_free(map);
+ sysfs_free(list);
+ return rv;
}
-static void run_udisks(char *arg1, char *arg2)
+static void remove_from_member_array(struct mdstat_ent *memb,
+ struct mddev_dev *devlist, int verbose)
{
- int pid = fork();
- int status;
- if (pid == 0) {
- execl("/usr/bin/udisks", "udisks", arg1, arg2, NULL);
- execl("/bin/udisks", "udisks", arg1, arg2, NULL);
- exit(1);
+ int subfd = open_dev(memb->devnm);
+
+ if (subfd >= 0) {
+ /*
+ * Ignore the return value because it's necessary
+ * to handle failure condition here.
+ */
+ Manage_subdevs(memb->devnm, subfd, devlist, verbose,
+ 0, UOPT_UNDEFINED, 0);
+ close(subfd);
}
- while (pid > 0 && wait(&status) != pid)
- ;
}
/*
struct mdstat_ent *ent;
struct mddev_dev devlist;
struct mdinfo mdi;
- char buf[32];
+ char buf[SYSFS_MAX_BUF_SIZE];
if (!id_path)
dprintf("incremental removal without --path <id_path> lacks the possibility to re-add new device in this port\n");
return 1;
}
mdfd = open_dev_excl(ent->devnm);
- if (mdfd > 0) {
- close(mdfd);
+ if (is_fd_valid(mdfd)) {
+ close_fd(&mdfd);
if (sysfs_get_str(&mdi, NULL, "array_state",
buf, sizeof(buf)) > 0) {
if (strncmp(buf, "active", 6) == 0 ||
memset(&devlist, 0, sizeof(devlist));
devlist.devname = devname;
- devlist.disposition = 'f';
+ devlist.disposition = 'I';
/* for a container, we must fail each member array */
if (ent->metadata_version &&
strncmp(ent->metadata_version, "external:", 9) == 0) {
struct mdstat_ent *mdstat = mdstat_read(0, 0);
struct mdstat_ent *memb;
- for (memb = mdstat ; memb ; memb = memb->next)
- if (is_container_member(memb, ent->devnm)) {
- int subfd = open_dev(memb->devnm);
- if (subfd >= 0) {
- rv |= Manage_subdevs(
- memb->devnm, subfd,
- &devlist, verbose, 0,
- NULL, 0);
- close(subfd);
- }
- }
- free_mdstat(mdstat);
- } else
- rv |= Manage_subdevs(ent->devnm, mdfd, &devlist,
- verbose, 0, NULL, 0);
- if (rv & 2) {
- /* Failed due to EBUSY, try to stop the array.
- * Give udisks a chance to unmount it first.
- */
- int devid = devnm2devid(ent->devnm);
- run_udisks("--unmount", map_dev(major(devid),minor(devid), 0));
- rv = Manage_stop(ent->devnm, mdfd, verbose, 1);
- if (rv)
- /* At least we can try to trigger a 'remove' */
- sysfs_uevent(&mdi, "remove");
- if (verbose) {
- if (rv)
- pr_err("Fail to stop %s too.\n", ent->devnm);
+ for (memb = mdstat ; memb ; memb = memb->next) {
+ if (is_container_member(memb, ent->devnm))
+ remove_from_member_array(memb,
+ &devlist, verbose);
}
+ free_mdstat(mdstat);
} else {
- devlist.disposition = 'r';
- rv = Manage_subdevs(ent->devnm, mdfd, &devlist,
- verbose, 0, NULL, 0);
+ /*
+ * This 'I' incremental remove is a try-best effort,
+ * the failure condition can be safely ignored
+ * because of the following up 'r' remove.
+ */
+ Manage_subdevs(ent->devnm, mdfd, &devlist,
+ verbose, 0, UOPT_UNDEFINED, 0);
}
+
+ devlist.disposition = 'r';
+ rv = Manage_subdevs(ent->devnm, mdfd, &devlist,
+ verbose, 0, UOPT_UNDEFINED, 0);
+
close(mdfd);
free_mdstat(ent);
return rv;
projects / thirdparty / mdadm.git / blobdiff