#include "md_u.h"
#include "md_p.h"
-int Create(char *mddev, int mdfd,
+int Create(struct supertype *st, char *mddev, int mdfd,
int chunk, int level, int layout, unsigned long size, int raiddisks, int sparedisks,
+ char *name,
int subdevs, mddev_dev_t devlist,
- int runstop, int verbose, int force)
+ int runstop, int verbose, int force,
+ char *bitmap_file, int bitmap_chunk, int write_behind, int delay)
{
/*
* Create a new raid array.
* abort.
*
* SET_ARRAY_INFO and ADD_NEW_DISK, and
- * if runstop==run, or raiddisks diskswere used,
+ * if runstop==run, or raiddisks disks were used,
* RUN_ARRAY
*/
unsigned long long minsize=0, maxsize=0;
mddev_dev_t dv;
int fail=0, warn=0;
struct stat stb;
- int first_missing = MD_SB_DISKS*2;
+ int first_missing = subdevs * 2;
int missing_disks = 0;
- int insert_point = MD_SB_DISKS*2; /* where to insert a missing drive */
- mddev_dev_t moved_disk = NULL; /* the disk that was moved out of the insert point */
+ int insert_point = subdevs * 2; /* where to insert a missing drive */
+ void *super;
+ int pass;
+ int vers;
+ int rv;
+ int bitmap_fd;
mdu_array_info_t array;
-
- if (md_get_version(mdfd) < 9000) {
+ vers = md_get_version(mdfd);
+ if (vers < 9000) {
fprintf(stderr, Name ": Create requires md driver version 0.90.0 or later\n");
return 1;
}
Name ": at least 2 raid-devices needed for level 4 or 5\n");
return 1;
}
- if (raiddisks+sparedisks > MD_SB_DISKS) {
- fprintf(stderr,
- Name ": too many devices requested: %d+%d > %d\n",
- raiddisks, sparedisks, MD_SB_DISKS);
- 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);
return 1;
break;
case 10:
layout = 0x102; /* near=2, far=1 */
- if (verbose)
+ if (verbose > 0)
fprintf(stderr,
Name ": layout defaults to n1\n");
break;
case 5:
case 6:
layout = map_name(r5layout, "default");
- if (verbose)
+ if (verbose > 0)
fprintf(stderr,
Name ": layout defaults to %s\n", map_num(r5layout, layout));
break;
case LEVEL_FAULTY:
layout = map_name(faultylayout, "default");
- if (verbose)
+ if (verbose > 0)
fprintf(stderr,
Name ": layout defaults to %s\n", map_num(faultylayout, layout));
break;
case -1: /* linear */
if (chunk == 0) {
chunk = 64;
- if (verbose)
+ if (verbose > 0)
fprintf(stderr, Name ": chunk size defaults to 64K\n");
}
break;
default: /* raid1, multipath */
if (chunk) {
chunk = 0;
- if (verbose)
+ if (verbose > 0)
fprintf(stderr, Name ": chunk size ignored for this level\n");
}
break;
array.working_disks++;
if (dnum < raiddisks)
array.active_disks++;
- fd = open(dname, O_RDONLY, 0);
+ fd = open(dname, O_RDONLY|O_EXCL, 0);
if (fd <0 ) {
fprintf(stderr, Name ": Cannot open %s: %s\n",
dname, strerror(errno));
}
else {
ldsize = dsize;
- dsize <<= 9;
+ ldsize <<= 9;
}
- if (ldsize < MD_RESERVED_SECTORS*2LL*512LL) {
+ freesize = st->ss->avail_size(st, ldsize >> 9);
+ if (freesize == 0) {
fprintf(stderr, Name ": %s is too small: %luK\n",
dname, (unsigned long)(ldsize>>10));
fail = 1;
close(fd);
continue;
}
- freesize = MD_NEW_SIZE_SECTORS((ldsize>>9));
- freesize /= 2;
+
+ freesize /= 2; /* convert to K */
if (size && freesize < size) {
fprintf(stderr, Name ": %s is smaller that given size."
mindisc = dname;
minsize = freesize;
}
- warn |= check_ext2(fd, dname);
- warn |= check_reiser(fd, dname);
- warn |= check_raid(fd, dname);
+ if (runstop != 1 || verbose >= 0) {
+ warn |= check_ext2(fd, dname);
+ warn |= check_reiser(fd, dname);
+ warn |= check_raid(fd, dname);
+ }
close(fd);
}
if (fail) {
fprintf(stderr, Name ": no size and no drives given - aborting create.\n");
return 1;
}
- if (level > 0) {
+ if (level > 0 || level == LEVEL_MULTIPATH || level == LEVEL_FAULTY) {
/* size is meaningful */
if (minsize > 0x100000000ULL) {
fprintf(stderr, Name ": devices too large for RAID level %d\n", level);
return 1;
}
size = minsize;
- if (verbose)
+ if (verbose > 0)
fprintf(stderr, Name ": size set to %luK\n", size);
}
}
if (level > 0 && ((maxsize-size)*100 > maxsize)) {
- fprintf(stderr, Name ": largest drive (%s) exceed size (%luK) by more than 1%%\n",
- maxdisc, size);
+ if (runstop != 1 || verbose >= 0)
+ fprintf(stderr, Name ": largest drive (%s) exceed size (%luK) by more than 1%%\n",
+ maxdisc, size);
warn = 1;
}
return 1;
}
} else {
- if (verbose)
+ if (verbose > 0)
fprintf(stderr, Name ": creation continuing despite oddities due to --run\n");
}
}
array.layout = layout;
array.chunk_size = chunk*1024;
- if (ioctl(mdfd, SET_ARRAY_INFO, &array)) {
+
+ if (!st->ss->init_super(st, &super, &array, name))
+ return 1;
+
+ if (bitmap_file && strcmp(bitmap_file, "internal")==0) {
+ if ((vers%100) < 2) {
+ fprintf(stderr, Name ": internal bitmaps not supported by this kernel.\n");
+ return 1;
+ }
+ if (!st->ss->add_internal_bitmap(st, super, bitmap_chunk, delay, write_behind,
+ &array.size, 1)) {
+ fprintf(stderr, Name ": Given bitmap chunk size not supported.\n");
+ return 1;
+ }
+ bitmap_file = NULL;
+ }
+
+
+
+ if ((vers % 100) >= 1) { /* can use different versions */
+ mdu_array_info_t inf;
+ memset(&inf, 0, sizeof(inf));
+ inf.major_version = st->ss->major;
+ inf.minor_version = st->minor_version;
+ rv = ioctl(mdfd, SET_ARRAY_INFO, &inf);
+ } else
+ rv = ioctl(mdfd, SET_ARRAY_INFO, NULL);
+ if (rv) {
fprintf(stderr, Name ": SET_ARRAY_INFO failed for %s: %s\n",
mddev, strerror(errno));
return 1;
}
-
- for (dnum=0, dv = devlist ; dv ; dv=(dv->next)?(dv->next):moved_disk, dnum++) {
- int fd;
- struct stat stb;
- mdu_disk_info_t disk;
- disk.number = dnum;
- if (dnum == insert_point) {
- moved_disk = dv;
+ if (bitmap_file) {
+ int uuid[4];
+
+ if (bitmap_chunk == UnSet)
+ bitmap_chunk = DEFAULT_BITMAP_CHUNK;
+
+ st->ss->uuid_from_super(uuid, super);
+ if (CreateBitmap(bitmap_file, force, (char*)uuid, bitmap_chunk,
+ delay, write_behind,
+ array.size*2ULL /* FIXME wrong for raid10 */)) {
+ return 1;
}
- disk.raid_disk = disk.number;
- if (disk.raid_disk < raiddisks)
- disk.state = 6; /* active and in sync */
- else
- disk.state = 0;
- if (dnum == insert_point ||
- strcasecmp(dv->devname, "missing")==0) {
- disk.major = 0;
- disk.minor = 0;
- disk.state = 1; /* faulty */
- } else {
- fd = open(dv->devname, O_RDONLY, 0);
- if (fd < 0) {
- fprintf(stderr, Name ": failed to open %s after earlier success - aborting\n",
- dv->devname);
- return 1;
- }
- fstat(fd, &stb);
- disk.major = major(stb.st_rdev);
- disk.minor = minor(stb.st_rdev);
- close(fd);
+ bitmap_fd = open(bitmap_file, O_RDWR);
+ if (bitmap_fd < 0) {
+ fprintf(stderr, Name ": weird: %s cannot be openned\n",
+ bitmap_file);
+ return 1;
}
- if (ioctl(mdfd, ADD_NEW_DISK, &disk)) {
- fprintf(stderr, Name ": ADD_NEW_DISK for %s failed: %s\n",
- dv->devname, strerror(errno));
+ if (ioctl(mdfd, SET_BITMAP_FILE, bitmap_fd) < 0) {
+ fprintf(stderr, Name ": Cannot set bitmap file for %s: %s\n",
+ mddev, strerror(errno));
return 1;
}
- if (dv == moved_disk && dnum != insert_point) break;
}
+
+
+ for (pass=1; pass <=2 ; pass++) {
+ mddev_dev_t moved_disk = NULL; /* the disk that was moved out of the insert point */
+
+ for (dnum=0, dv = devlist ; dv ;
+ dv=(dv->next)?(dv->next):moved_disk, dnum++) {
+ int fd;
+ struct stat stb;
+ mdu_disk_info_t disk;
+
+ disk.number = dnum;
+ if (dnum == insert_point) {
+ moved_disk = dv;
+ }
+ disk.raid_disk = disk.number;
+ if (disk.raid_disk < raiddisks)
+ disk.state = (1<<MD_DISK_ACTIVE) |
+ (1<<MD_DISK_SYNC);
+ else
+ disk.state = 0;
+ if (dv->writemostly)
+ disk.state |= (1<<MD_DISK_WRITEMOSTLY);
+
+ if (dnum == insert_point ||
+ strcasecmp(dv->devname, "missing")==0) {
+ disk.major = 0;
+ disk.minor = 0;
+ disk.state = (1<<MD_DISK_FAULTY);
+ } else {
+ fd = open(dv->devname, O_RDONLY|O_EXCL, 0);
+ if (fd < 0) {
+ fprintf(stderr, Name ": failed to open %s after earlier success - aborting\n",
+ dv->devname);
+ return 1;
+ }
+ fstat(fd, &stb);
+ disk.major = major(stb.st_rdev);
+ disk.minor = minor(stb.st_rdev);
+ close(fd);
+ }
+ switch(pass){
+ case 1:
+ st->ss->add_to_super(super, &disk);
+ break;
+ case 2:
+ if (disk.state == 1) break;
+ st->ss->write_init_super(st, super, &disk, dv->devname);
+
+ if (ioctl(mdfd, ADD_NEW_DISK, &disk)) {
+ fprintf(stderr, Name ": ADD_NEW_DISK for %s failed: %s\n",
+ dv->devname, strerror(errno));
+ free(super);
+ return 1;
+ }
+
+ break;
+ }
+ if (dv == moved_disk && dnum != insert_point) break;
+ }
+ }
+ free(super);
+
/* param is not actually used */
if (runstop == 1 || subdevs >= raiddisks) {
mdu_param_t param;
if (ioctl(mdfd, RUN_ARRAY, ¶m)) {
fprintf(stderr, Name ": RUN_ARRAY failed: %s\n",
strerror(errno));
- Manage_runstop(mddev, mdfd, -1);
+ Manage_runstop(mddev, mdfd, -1, 0);
return 1;
}
- fprintf(stderr, Name ": array %s started.\n", mddev);
+ if (verbose >= 0)
+ fprintf(stderr, Name ": array %s started.\n", mddev);
} else {
fprintf(stderr, Name ": not starting array - not enough devices.\n");
}
projects / thirdparty / mdadm.git / blobdiff