case 10:
layout = 0x102; /* near=2, far=1 */
if (verbose > 0)
- fprintf(stderr,
- Name ": layout defaults to n2\n");
+ pr_err("layout defaults to n2\n");
break;
case 5:
case 6:
layout = map_name(r5layout, "default");
if (verbose > 0)
- fprintf(stderr,
- Name ": layout defaults to %s\n", map_num(r5layout, layout));
+ pr_err("layout defaults to %s\n", map_num(r5layout, layout));
break;
case LEVEL_FAULTY:
layout = map_name(faultylayout, "default");
if (verbose > 0)
- fprintf(stderr,
- Name ": layout defaults to %s\n", map_num(faultylayout, layout));
+ pr_err("layout defaults to %s\n", map_num(faultylayout, layout));
break;
}
int Create(struct supertype *st, char *mddev,
int chunk, int level, int layout, unsigned long long size,
int raiddisks, int sparedisks,
- char *name, char *homehost, int *uuid,
+ char *name, int *uuid,
int subdevs, struct mddev_dev *devlist,
- int runstop, int verbose, int force, int assume_clean,
+ int assume_clean,
char *bitmap_file, int bitmap_chunk, int write_behind,
- int delay, int autof)
+ struct context *c)
{
/*
* Create a new raid array.
if (level == UnSet && st && st->ss->default_geometry)
st->ss->default_geometry(st, &level, NULL, NULL);
if (level == UnSet) {
- fprintf(stderr,
- Name ": a RAID level is needed to create an array.\n");
+ pr_err("a RAID level is needed to create an array.\n");
return 1;
}
if (raiddisks < 4 && level == 6) {
- fprintf(stderr,
- Name ": at least 4 raid-devices needed for level 6\n");
+ pr_err("at least 4 raid-devices needed for level 6\n");
return 1;
}
if (raiddisks > 256 && level == 6) {
- fprintf(stderr,
- Name ": no more than 256 raid-devices supported for level 6\n");
+ pr_err("no more than 256 raid-devices supported for level 6\n");
return 1;
}
if (raiddisks < 2 && level >= 4) {
- fprintf(stderr,
- Name ": at least 2 raid-devices needed for level 4 or 5\n");
+ pr_err("at least 2 raid-devices needed for level 4 or 5\n");
return 1;
}
if (level <= 0 && sparedisks) {
- fprintf(stderr,
- Name ": This level does not support spare devices\n");
+ pr_err("This level does not support spare devices\n");
return 1;
}
close(fd);
}
if (st && st->ss->external && sparedisks) {
- fprintf(stderr,
- Name ": This metadata type does not support "
- "spare disks at create time\n");
+ pr_err("This metadata type does not support "
+ "spare disks at create time\n");
return 1;
}
if (subdevs > raiddisks+sparedisks) {
- fprintf(stderr, Name ": You have listed more devices (%d) than are in the array(%d)!\n", subdevs, raiddisks+sparedisks);
+ pr_err("You have listed more devices (%d) than are in the array(%d)!\n", subdevs, raiddisks+sparedisks);
return 1;
}
if (!have_container && subdevs < raiddisks+sparedisks) {
- fprintf(stderr, Name ": You haven't given enough devices (real or missing) to create this array\n");
+ pr_err("You haven't given enough devices (real or missing) to create this array\n");
return 1;
}
if (bitmap_file && level <= 0) {
- fprintf(stderr, Name ": bitmaps not meaningful with level %s\n",
+ pr_err("bitmaps not meaningful with level %s\n",
map_num(pers, level)?:"given");
return 1;
}
if (layout == UnSet) {
do_default_layout = 1;
- layout = default_layout(st, level, verbose);
+ layout = default_layout(st, level, c->verbose);
}
if (level == 10)
/* check layout fits in array*/
if ((layout&255) * ((layout>>8)&255) > raiddisks) {
- fprintf(stderr, Name ": that layout requires at least %d devices\n",
+ pr_err("that layout requires at least %d devices\n",
(layout&255) * ((layout>>8)&255));
return 1;
}
/* a chunksize of zero 0s perfectly valid (and preferred) since 2.6.16 */
if (get_linux_version() < 2006016 && chunk == 0) {
chunk = 64;
- if (verbose > 0)
- fprintf(stderr, Name ": chunk size defaults to 64K\n");
+ if (c->verbose > 0)
+ pr_err("chunk size defaults to 64K\n");
}
break;
case 1:
case LEVEL_CONTAINER:
if (chunk) {
chunk = 0;
- if (verbose > 0)
- fprintf(stderr, Name ": chunk size ignored for this level\n");
+ if (c->verbose > 0)
+ pr_err("chunk size ignored for this level\n");
}
break;
default:
- fprintf(stderr, Name ": unknown level %d\n", level);
+ pr_err("unknown level %d\n", level);
return 1;
}
size &= ~(unsigned long long)(chunk - 1);
newsize = size * 2;
if (st && ! st->ss->validate_geometry(st, level, layout, raiddisks,
- &chunk, size*2, NULL, &newsize, verbose>=0))
+ &chunk, size*2, NULL, &newsize, c->verbose>=0))
return 1;
if (chunk && chunk != UnSet) {
newsize &= ~(unsigned long long)(chunk*2 - 1);
if (do_default_chunk) {
/* default chunk was just set */
- if (verbose > 0)
- fprintf(stderr, Name ": chunk size "
+ if (c->verbose > 0)
+ pr_err("chunk size "
"defaults to %dK\n", chunk);
size &= ~(unsigned long long)(chunk - 1);
do_default_chunk = 0;
if (size == 0) {
size = newsize / 2;
- if (size && verbose > 0)
- fprintf(stderr, Name ": setting size to %lluK\n",
+ if (level == 1)
+ /* If this is ever reshaped to RAID5, we will
+ * need a chunksize. So round it off a bit
+ * now just to be safe
+ */
+ size &= ~(64ULL-1);
+
+ if (size && c->verbose > 0)
+ pr_err("setting size to %lluK\n",
(unsigned long long)size);
}
}
dfd = open(dname, O_RDONLY);
if (dfd < 0) {
- fprintf(stderr, Name ": cannot open %s: %s\n",
+ pr_err("cannot open %s: %s\n",
dname, strerror(errno));
exit(2);
}
if (fstat(dfd, &stb) != 0 ||
(stb.st_mode & S_IFMT) != S_IFBLK) {
close(dfd);
- fprintf(stderr, Name ": %s is not a block device\n",
+ pr_err("%s is not a block device\n",
dname);
exit(2);
}
if (!st)
continue;
if (do_default_layout)
- layout = default_layout(st, level, verbose);
+ layout = default_layout(st, level, c->verbose);
switch (st->ss->validate_geometry(
st, level, layout, raiddisks,
&chunk, size*2, dname, &freesize,
- verbose > 0)) {
+ c->verbose > 0)) {
case -1: /* Not valid, message printed, and not
* worth checking any further */
exit(2);
if (!st) {
int dfd = open(dname, O_RDONLY|O_EXCL);
if (dfd < 0) {
- fprintf(stderr, Name ": cannot open %s: %s\n",
+ pr_err("cannot open %s: %s\n",
dname, strerror(errno));
exit(2);
}
- fprintf(stderr, Name ": device %s not suitable "
+ pr_err("device %s not suitable "
"for any style of array\n",
dname);
exit(2);
did_default = 1;
} else {
if (do_default_layout)
- layout = default_layout(st, level, verbose);
+ layout = default_layout(st, level, 0);
if (!st->ss->validate_geometry(st, level, layout,
raiddisks,
&chunk, size*2, dname,
&freesize,
- verbose >= 0)) {
+ c->verbose >= 0)) {
- fprintf(stderr,
- Name ": %s is not suitable for "
- "this array.\n",
- dname);
+ pr_err("%s is not suitable for "
+ "this array.\n",
+ dname);
fail = 1;
continue;
}
freesize = freesize & ~(chunk-1);
if (do_default_chunk) {
/* default chunk was just set */
- if (verbose > 0)
- fprintf(stderr, Name ": chunk size "
+ if (c->verbose > 0)
+ pr_err("chunk size "
"defaults to %dK\n", chunk);
size &= ~(unsigned long long)(chunk - 1);
do_default_chunk = 0;
}
if (size && freesize < size) {
- fprintf(stderr, Name ": %s is smaller than given size."
+ pr_err("%s is smaller than given size."
" %lluK < %lluK + metadata\n",
dname, freesize, size);
fail = 1;
mindisc = dname;
minsize = freesize;
}
- if (runstop != 1 || verbose >= 0) {
+ if (c->runstop != 1 || c->verbose >= 0) {
int fd = open(dname, O_RDONLY);
if (fd <0 ) {
- fprintf(stderr, Name ": Cannot open %s: %s\n",
+ pr_err("Cannot open %s: %s\n",
dname, strerror(errno));
fail=1;
continue;
level == 1 &&
(warn & 1024) == 0) {
warn |= 1024;
- fprintf(stderr, Name ": Note: this array has metadata at the start and\n"
+ pr_err("Note: this array has metadata at the start and\n"
" may not be suitable as a boot device. If you plan to\n"
" store '/boot' on this device please ensure that\n"
" your boot-loader understands md/v1.x metadata, or use\n"
}
}
if (raiddisks + sparedisks > st->max_devs) {
- fprintf(stderr, Name ": Too many devices:"
+ pr_err("Too many devices:"
" %s metadata only supports %d\n",
st->ss->name, st->max_devs);
return 1;
if (have_container)
info.array.working_disks = raiddisks;
if (fail) {
- fprintf(stderr, Name ": create aborted\n");
+ pr_err("create aborted\n");
return 1;
}
if (size == 0) {
if (mindisc == NULL && !have_container) {
- fprintf(stderr, Name ": no size and no drives given - aborting create.\n");
+ pr_err("no size and no drives given - aborting create.\n");
return 1;
}
if (level > 0 || level == LEVEL_MULTIPATH
raiddisks,
&chunk, minsize*2,
NULL, NULL, 0)) {
- fprintf(stderr, Name ": devices too large for RAID level %d\n", level);
+ pr_err("devices too large for RAID level %d\n", level);
return 1;
}
size = minsize;
- if (verbose > 0)
- fprintf(stderr, Name ": size set to %lluK\n", size);
+ if (level == 1)
+ /* If this is ever reshaped to RAID5, we will
+ * need a chunksize. So round it off a bit
+ * now just to be safe
+ */
+ size &= ~(64ULL-1);
+ if (c->verbose > 0)
+ pr_err("size set to %lluK\n", size);
}
}
if (!have_container && level > 0 && ((maxsize-size)*100 > maxsize)) {
- if (runstop != 1 || verbose >= 0)
- fprintf(stderr, Name ": largest drive (%s) exceeds size (%lluK) by more than 1%%\n",
+ if (c->runstop != 1 || c->verbose >= 0)
+ pr_err("largest drive (%s) exceeds size (%lluK) by more than 1%%\n",
maxdisc, size);
warn = 1;
}
if (st->ss->detail_platform && st->ss->detail_platform(0, 1) != 0) {
- if (runstop != 1 || verbose >= 0)
- fprintf(stderr, Name ": %s unable to enumerate platform support\n"
+ if (c->runstop != 1 || c->verbose >= 0)
+ pr_err("%s unable to enumerate platform support\n"
" array may not be compatible with hardware/firmware\n",
st->ss->name);
warn = 1;
}
if (warn) {
- if (runstop!= 1) {
+ if (c->runstop!= 1) {
if (!ask("Continue creating array? ")) {
- fprintf(stderr, Name ": create aborted.\n");
+ pr_err("create aborted.\n");
return 1;
}
} else {
- if (verbose > 0)
- fprintf(stderr, Name ": creation continuing despite oddities due to --run\n");
+ if (c->verbose > 0)
+ pr_err("creation continuing despite oddities due to --run\n");
}
}
* FIX: Can we do this for raid6 as well?
*/
if (st->ss->external == 0 &&
- assume_clean==0 && force == 0 && first_missing >= raiddisks) {
+ assume_clean==0 && c->force == 0 && first_missing >= raiddisks) {
switch ( level ) {
case 4:
case 5:
/* For raid6, if creating with 1 missing drive, make a good drive
* into a spare, else the create will fail
*/
- if (assume_clean == 0 && force == 0 && first_missing < raiddisks &&
+ if (assume_clean == 0 && c->force == 0 && first_missing < raiddisks &&
st->ss->external == 0 &&
second_missing >= raiddisks && level == 6) {
insert_point = raiddisks - 1;
}
if (level <= 0 && first_missing < subdevs * 2) {
- fprintf(stderr,
- Name ": This level does not support missing devices\n");
+ pr_err("This level does not support missing devices\n");
return 1;
}
/* We need to create the device */
map_lock(&map);
- mdfd = create_mddev(mddev, name, autof, LOCAL, chosen_name);
- if (mdfd < 0)
+ mdfd = create_mddev(mddev, name, c->autof, LOCAL, chosen_name);
+ if (mdfd < 0) {
+ map_unlock(&map);
+ return 1;
+ }
+ /* verify if chosen_name is not in use,
+ * it could be in conflict with already existing device
+ * e.g. container, array
+ */
+ if (strncmp(chosen_name, "/dev/md/", 8) == 0
+ && map_by_name(&map, chosen_name+8) != NULL) {
+ pr_err("Array name %s is in use already.\n",
+ chosen_name);
+ close(mdfd);
+ map_unlock(&map);
return 1;
+ }
mddev = chosen_name;
vers = md_get_version(mdfd);
if (vers < 9000) {
- fprintf(stderr, Name ": Create requires md driver version 0.90.0 or later\n");
- goto abort;
+ pr_err("Create requires md driver version 0.90.0 or later\n");
+ goto abort_locked;
} else {
mdu_array_info_t inf;
memset(&inf, 0, sizeof(inf));
ioctl(mdfd, GET_ARRAY_INFO, &inf);
if (inf.working_disks != 0) {
- fprintf(stderr, Name ": another array by this name"
+ pr_err("another array by this name"
" is already running.\n");
- goto abort;
+ goto abort_locked;
}
}
name += 2;
}
}
- if (!st->ss->init_super(st, &info.array, size, name, homehost, uuid))
- goto abort;
+ if (!st->ss->init_super(st, &info.array, size, name, c->homehost, uuid))
+ goto abort_locked;
total_slots = info.array.nr_disks;
st->ss->getinfo_super(st, &info, NULL);
sysfs_init(&info, mdfd, 0);
- if (did_default && verbose >= 0) {
+ if (did_default && c->verbose >= 0) {
if (is_subarray(info.text_version)) {
int dnum = devname2devnum(info.text_version+1);
char *path;
mdi = sysfs_read(-1, dnum, GET_VERSION);
- fprintf(stderr, Name ": Creating array inside "
+ pr_err("Creating array inside "
"%s container %s\n",
mdi?mdi->text_version:"managed", path);
sysfs_free(mdi);
} else
- fprintf(stderr, Name ": Defaulting to version"
+ pr_err("Defaulting to version"
" %s metadata\n", info.text_version);
}
if (bitmap_file && vers < 9003) {
major_num = BITMAP_MAJOR_HOSTENDIAN;
#ifdef __BIG_ENDIAN
- fprintf(stderr, Name ": Warning - bitmaps created on this kernel are not portable\n"
+ pr_err("Warning - bitmaps created on this kernel are not portable\n"
" between different architectured. Consider upgrading the Linux kernel.\n");
#endif
}
if (bitmap_file && strcmp(bitmap_file, "internal")==0) {
if ((vers%100) < 2) {
- fprintf(stderr, Name ": internal bitmaps not supported by this kernel.\n");
+ pr_err("internal bitmaps not supported by this kernel.\n");
goto abort;
}
if (!st->ss->add_internal_bitmap) {
- fprintf(stderr, Name ": internal bitmaps not supported with %s metadata\n",
+ pr_err("internal bitmaps not supported with %s metadata\n",
st->ss->name);
goto abort;
}
if (!st->ss->add_internal_bitmap(st, &bitmap_chunk,
- delay, write_behind,
+ c->delay, write_behind,
bitmapsize, 1, major_num)) {
- fprintf(stderr, Name ": Given bitmap chunk size not supported.\n");
+ pr_err("Given bitmap chunk size not supported.\n");
goto abort;
}
bitmap_file = NULL;
*/
container_fd = open_dev_excl(st->container_dev);
if (container_fd < 0) {
- fprintf(stderr, Name ": Cannot get exclusive "
+ pr_err("Cannot get exclusive "
"open on container - weird.\n");
goto abort;
}
if (mdmon_running(st->container_dev)) {
- if (verbose)
- fprintf(stderr, Name ": reusing mdmon "
+ if (c->verbose)
+ pr_err("reusing mdmon "
"for %s.\n",
devnum2devname(st->container_dev));
st->update_tail = &st->updates;
}
rv = set_array_info(mdfd, st, &info);
if (rv) {
- fprintf(stderr, Name ": failed to set array info for %s: %s\n",
+ pr_err("failed to set array info for %s: %s\n",
mddev, strerror(errno));
goto abort;
}
int uuid[4];
st->ss->uuid_from_super(st, uuid);
- if (CreateBitmap(bitmap_file, force, (char*)uuid, bitmap_chunk,
- delay, write_behind,
+ if (CreateBitmap(bitmap_file, c->force, (char*)uuid, bitmap_chunk,
+ c->delay, write_behind,
bitmapsize,
major_num)) {
goto abort;
}
bitmap_fd = open(bitmap_file, O_RDWR);
if (bitmap_fd < 0) {
- fprintf(stderr, Name ": weird: %s cannot be openned\n",
+ pr_err("weird: %s cannot be openned\n",
bitmap_file);
goto abort;
}
if (ioctl(mdfd, SET_BITMAP_FILE, bitmap_fd) < 0) {
- fprintf(stderr, Name ": Cannot set bitmap file for %s: %s\n",
+ pr_err("Cannot set bitmap file for %s: %s\n",
mddev, strerror(errno));
goto abort;
}
}
- infos = malloc(sizeof(*infos) * total_slots);
+ infos = xmalloc(sizeof(*infos) * total_slots);
for (pass=1; pass <=2 ; pass++) {
struct mddev_dev *moved_disk = NULL; /* the disk that was moved out of the insert point */
fd = open(dv->devname, O_RDWR|O_EXCL);
if (fd < 0) {
- fprintf(stderr, Name ": failed to open %s "
+ pr_err("failed to open %s "
"after earlier success - aborting\n",
dv->devname);
goto abort;
st->ss->getinfo_super(st, inf, NULL);
safe_mode_delay = inf->safe_mode_delay;
- if (have_container && verbose > 0)
- fprintf(stderr, Name ": Using %s for device %d\n",
+ if (have_container && c->verbose > 0)
+ pr_err("Using %s for device %d\n",
map_dev(inf->disk.major,
inf->disk.minor,
0), dnum);
rv = add_disk(mdfd, st, &info, inf);
if (rv) {
- fprintf(stderr,
- Name ": ADD_NEW_DISK for %s "
- "failed: %s\n",
- dv->devname, strerror(errno));
+ pr_err("ADD_NEW_DISK for %s "
+ "failed: %s\n",
+ dv->devname, strerror(errno));
goto abort;
}
break;
}
if (st->ss->write_init_super(st)) {
- fprintf(stderr,
- Name ": Failed to write metadata to %s\n",
- dv->devname);
st->ss->free_super(st);
- goto abort;
+ goto abort_locked;
}
/* update parent container uuid */
if (me) {
- char *path = strdup(me->path);
+ char *path = xstrdup(me->path);
st->ss->getinfo_super(st, &info_new, NULL);
map_update(&map, st->container_dev,
/* No need to start. But we should signal udev to
* create links */
sysfs_uevent(&info, "change");
- if (verbose >= 0)
- fprintf(stderr, Name ": container %s prepared.\n", mddev);
+ if (c->verbose >= 0)
+ pr_err("container %s prepared.\n", mddev);
wait_for(chosen_name, mdfd);
- } else if (runstop == 1 || subdevs >= raiddisks) {
+ } else if (c->runstop == 1 || subdevs >= raiddisks) {
if (st->ss->external) {
int err;
switch(level) {
case LEVEL_MULTIPATH:
case 0:
err = sysfs_set_str(&info, NULL, "array_state",
- "active");
+ c->readonly
+ ? "readonly"
+ : "active");
need_mdmon = 0;
break;
default:
}
sysfs_set_safemode(&info, safe_mode_delay);
if (err) {
- fprintf(stderr, Name ": failed to"
- " activate array.\n");
+ pr_err("failed to"
+ " activate array.\n");
+ ioctl(mdfd, STOP_ARRAY, NULL);
+ goto abort;
+ }
+ } else if (c->readonly &&
+ sysfs_attribute_available(
+ &info, NULL, "array_state")) {
+ if (sysfs_set_str(&info, NULL,
+ "array_state", "readonly") < 0) {
+ pr_err("Failed to start array: %s\n",
+ strerror(errno));
ioctl(mdfd, STOP_ARRAY, NULL);
goto abort;
}
/* param is not actually used */
mdu_param_t param;
if (ioctl(mdfd, RUN_ARRAY, ¶m)) {
- fprintf(stderr, Name ": RUN_ARRAY failed: %s\n",
- strerror(errno));
+ pr_err("RUN_ARRAY failed: %s\n",
+ strerror(errno));
if (info.array.chunk_size & (info.array.chunk_size-1)) {
- fprintf(stderr, " : Problem may be that "
- "chunk size is not a power of 2\n");
+ cont_err("Problem may be that "
+ "chunk size is not a power of 2\n");
}
ioctl(mdfd, STOP_ARRAY, NULL);
goto abort;
}
}
- if (verbose >= 0)
- fprintf(stderr, Name ": array %s started.\n", mddev);
+ if (c->verbose >= 0)
+ pr_err("array %s started.\n", mddev);
if (st->ss->external && st->container_dev != NoMdDev) {
if (need_mdmon)
start_mdmon(st->container_dev);
}
wait_for(chosen_name, mdfd);
} else {
- fprintf(stderr, Name ": not starting array - not enough devices.\n");
+ pr_err("not starting array - not enough devices.\n");
}
close(mdfd);
return 0;
abort:
map_lock(&map);
+ abort_locked:
map_remove(&map, fd2devnum(mdfd));
map_unlock(&map);
projects / thirdparty / mdadm.git / blobdiff