#define offsetof(t,f) ((size_t)&(((t*)0)->f))
#endif
-
static unsigned int calc_crc(void *buf, int len)
{
/* crcs are always at the same place as in the ddf_header */
if (lseek64(fd, dsize-512, 0) < 0) {
if (devname)
- fprintf(stderr,
- Name": Cannot seek to anchor block on %s: %s\n",
- devname, strerror(errno));
+ pr_err("Cannot seek to anchor block on %s: %s\n",
+ devname, strerror(errno));
return 1;
}
if (read(fd, &super->anchor, 512) != 512) {
if (devname)
- fprintf(stderr,
- Name ": Cannot read anchor block on %s: %s\n",
- devname, strerror(errno));
+ pr_err("Cannot read anchor block on %s: %s\n",
+ devname, strerror(errno));
return 1;
}
if (super->anchor.magic != DDF_HEADER_MAGIC) {
if (devname)
- fprintf(stderr, Name ": no DDF anchor found on %s\n",
+ pr_err("no DDF anchor found on %s\n",
devname);
return 2;
}
if (calc_crc(&super->anchor, 512) != super->anchor.crc) {
if (devname)
- fprintf(stderr, Name ": bad CRC on anchor on %s\n",
+ pr_err("bad CRC on anchor on %s\n",
devname);
return 2;
}
if (memcmp(super->anchor.revision, DDF_REVISION_0, 8) != 0 &&
memcmp(super->anchor.revision, DDF_REVISION_2, 8) != 0) {
if (devname)
- fprintf(stderr, Name ": can only support super revision"
+ pr_err("can only support super revision"
" %.8s and earlier, not %.8s on %s\n",
DDF_REVISION_2, super->anchor.revision,devname);
return 2;
dsize >> 9, 1,
&super->primary, &super->anchor) == 0) {
if (devname)
- fprintf(stderr,
- Name ": Failed to load primary DDF header "
- "on %s\n", devname);
+ pr_err("Failed to load primary DDF header "
+ "on %s\n", devname);
return 2;
}
super->active = &super->primary;
if (posix_memalign((void**)&dl, 512,
sizeof(*dl) +
(super->max_part) * sizeof(dl->vlist[0])) != 0) {
- fprintf(stderr, Name ": %s could not allocate disk info buffer\n",
+ pr_err("%s could not allocate disk info buffer\n",
__func__);
return 1;
}
super->active->data_section_offset,
super->active->data_section_length,
0);
- dl->devname = devname ? strdup(devname) : NULL;
+ dl->devname = devname ? xstrdup(devname) : NULL;
fstat(fd, &stb);
dl->major = major(stb.st_rdev);
continue;
if (posix_memalign((void**)&dl->spare, 512,
super->conf_rec_len*512) != 0) {
- fprintf(stderr, Name
- ": %s could not allocate spare info buf\n",
- __func__);
+ pr_err("%s could not allocate spare info buf\n",
+ __func__);
return 1;
}
-
+
memcpy(dl->spare, vd, super->conf_rec_len*512);
continue;
}
if (posix_memalign((void**)&vcl, 512,
(super->conf_rec_len*512 +
offsetof(struct vcl, conf))) != 0) {
- fprintf(stderr, Name
- ": %s could not allocate vcl buf\n",
- __func__);
+ pr_err("%s could not allocate vcl buf\n",
+ __func__);
return 1;
}
vcl->next = super->conflist;
#ifndef MDASSEMBLE
static int load_super_ddf_all(struct supertype *st, int fd,
- void **sbp, char *devname, int keep_fd);
+ void **sbp, char *devname);
#endif
static void free_super_ddf(struct supertype *st);
struct ddf_super *super;
int rv;
-#ifndef MDASSEMBLE
- /* if 'fd' is a container, load metadata from all the devices */
- if (load_super_ddf_all(st, fd, &st->sb, devname, 1) == 0)
- return 0;
-#endif
-
if (get_dev_size(fd, devname, &dsize) == 0)
return 1;
/* 32M is a lower bound */
if (dsize <= 32*1024*1024) {
if (devname)
- fprintf(stderr,
- Name ": %s is too small for ddf: "
- "size is %llu sectors.\n",
- devname, dsize>>9);
+ pr_err("%s is too small for ddf: "
+ "size is %llu sectors.\n",
+ devname, dsize>>9);
return 1;
}
if (dsize & 511) {
if (devname)
- fprintf(stderr,
- Name ": %s is an odd size for ddf: "
- "size is %llu bytes.\n",
- devname, dsize);
+ pr_err("%s is an odd size for ddf: "
+ "size is %llu bytes.\n",
+ devname, dsize);
return 1;
}
free_super_ddf(st);
if (posix_memalign((void**)&super, 512, sizeof(*super))!= 0) {
- fprintf(stderr, Name ": malloc of %zu failed.\n",
+ pr_err("malloc of %zu failed.\n",
sizeof(*super));
return 1;
}
if (rv) {
if (devname)
- fprintf(stderr,
- Name ": Failed to load all information "
- "sections on %s\n", devname);
+ pr_err("Failed to load all information "
+ "sections on %s\n", devname);
free(super);
return rv;
}
if (rv) {
if (devname)
- fprintf(stderr,
- Name ": Failed to load all information "
- "sections on %s\n", devname);
+ pr_err("Failed to load all information "
+ "sections on %s\n", devname);
free(super);
return rv;
}
st->minor_version = 0;
st->max_devs = 512;
}
- st->loaded_container = 0;
return 0;
}
free(d->spare);
free(d);
}
+ while (ddf->add_list) {
+ struct dl *d = ddf->add_list;
+ ddf->add_list = d->next;
+ if (d->fd >= 0)
+ close(d->fd);
+ if (d->spare)
+ free(d->spare);
+ free(d);
+ }
free(ddf);
st->sb = NULL;
}
)
return NULL;
- st = malloc(sizeof(*st));
- memset(st, 0, sizeof(*st));
+ st = xcalloc(1, sizeof(*st));
st->container_dev = NoMdDev;
st->ss = &super_ddf;
st->max_devs = 512;
return st;
}
-
#ifndef MDASSEMBLE
static mapping_t ddf_state[] = {
}
printf(")\n");
if (vc->chunk_shift != 255)
- printf(" Chunk Size[%d] : %d sectors\n", n,
- 1 << vc->chunk_shift);
+ printf(" Chunk Size[%d] : %d sectors\n", n,
+ 1 << vc->chunk_shift);
printf(" Raid Level[%d] : %s\n", n,
map_num(ddf_level, vc->prl)?:"-unknown-");
if (vc->sec_elmnt_count != 1) {
//printf("\n");
printf(" %3d %08x ", i,
__be32_to_cpu(pd->refnum));
- printf("%8lluK ",
+ printf("%8lluK ",
(unsigned long long)__be64_to_cpu(pd->config_size)>>1);
for (dl = sb->dlist; dl ; dl = dl->next) {
if (dl->disk.refnum == pd->refnum) {
(type&8) ? "spare" : "",
(type&16)? ", foreign" : "",
(type&32)? "pass-through" : "");
+ if (state & DDF_Failed)
+ /* This over-rides these three */
+ state &= ~(DDF_Online|DDF_Rebuilding|DDF_Transition);
printf("/%s%s%s%s%s%s%s",
(state&1)? "Online": "Offline",
(state&2)? ", Failed": "",
printf("MD_LEVEL=container\n");
printf("MD_UUID=%s\n", nbuf+5);
}
-
static void detail_super_ddf(struct supertype *st, char *homehost)
{
* not the device-set.
* uuid to recognise same set when adding a missing device back
* to an array. This is a uuid for the device-set.
- *
+ *
* For each of these we can make do with a truncated
* or hashed uuid rather than the original, as long as
* everyone agrees.
{
struct ddf_super *ddf = st->sb;
int map_disks = info->array.raid_disks;
+ __u32 *cptr;
if (ddf->currentconf) {
getinfo_super_ddf_bvd(st, info, map);
return;
}
+ memset(info, 0, sizeof(*info));
info->array.raid_disks = __be16_to_cpu(ddf->phys->used_pdes);
info->array.level = LEVEL_CONTAINER;
info->array.layout = 0;
info->array.md_minor = -1;
- info->array.ctime = DECADE + __be32_to_cpu(*(__u32*)
- (ddf->anchor.guid+16));
+ cptr = (__u32 *)(ddf->anchor.guid + 16);
+ info->array.ctime = DECADE + __be32_to_cpu(*cptr);
+
info->array.utime = 0;
info->array.chunk_size = 0;
info->container_enough = 1;
-
info->disk.major = 0;
info->disk.minor = 0;
if (ddf->dlist) {
info->disk.raid_disk = find_phys(ddf, ddf->dlist->disk.refnum);
info->data_offset = __be64_to_cpu(ddf->phys->
- entries[info->disk.raid_disk].
- config_size);
+ entries[info->disk.raid_disk].
+ config_size);
info->component_size = ddf->dlist->size - info->data_offset;
} else {
info->disk.number = -1;
}
info->disk.state = (1 << MD_DISK_SYNC) | (1 << MD_DISK_ACTIVE);
-
info->recovery_start = MaxSector;
info->reshape_active = 0;
+ info->recovery_blocked = 0;
info->name[0] = 0;
info->array.major_version = -1;
int j;
struct dl *dl;
int map_disks = info->array.raid_disks;
+ __u32 *cptr;
+ memset(info, 0, sizeof(*info));
/* FIXME this returns BVD info - what if we want SVD ?? */
info->array.raid_disks = __be16_to_cpu(vc->conf.prim_elmnt_count);
info->array.layout = rlq_to_layout(vc->conf.rlq, vc->conf.prl,
info->array.raid_disks);
info->array.md_minor = -1;
- info->array.ctime = DECADE +
- __be32_to_cpu(*(__u32*)(vc->conf.guid+16));
+ cptr = (__u32 *)(vc->conf.guid + 16);
+ info->array.ctime = DECADE + __be32_to_cpu(*cptr);
info->array.utime = DECADE + __be32_to_cpu(vc->conf.timestamp);
info->array.chunk_size = 512 << vc->conf.chunk_shift;
info->custom_array_size = 0;
}
for (dl = ddf->dlist; dl ; dl = dl->next)
- if (dl->raiddisk == info->disk.raid_disk)
+ if (dl->raiddisk == ddf->currentdev)
break;
+
info->disk.major = 0;
info->disk.minor = 0;
+ info->disk.state = 0;
if (dl) {
info->disk.major = dl->major;
info->disk.minor = dl->minor;
+ info->disk.raid_disk = dl->raiddisk;
+ info->disk.number = dl->pdnum;
+ info->disk.state = (1<<MD_DISK_SYNC)|(1<<MD_DISK_ACTIVE);
}
-// info->disk.number = __be32_to_cpu(ddf->disk.refnum);
-// info->disk.raid_disk = find refnum in the table and use index;
-// info->disk.state = ???;
info->container_member = ddf->currentconf->vcnum;
info->recovery_start = MaxSector;
info->resync_start = 0;
info->reshape_active = 0;
+ info->recovery_blocked = 0;
if (!(ddf->virt->entries[info->container_member].state
& DDF_state_inconsistent) &&
(ddf->virt->entries[info->container_member].init_state
map[j] = 0;
if (j < info->array.raid_disks) {
int i = find_phys(ddf, vc->conf.phys_refnum[j]);
- if (i >= 0 &&
+ if (i >= 0 &&
(__be16_to_cpu(ddf->phys->entries[i].state) & DDF_Online) &&
!(__be16_to_cpu(ddf->phys->entries[i].state) & DDF_Failed))
map[i] = 1;
}
}
-
static int update_super_ddf(struct supertype *st, struct mdinfo *info,
char *update,
char *devname, int verbose,
// if (info->vendor_is_local)
// strcpy(ddf->controller.vendor_data, homehost);
rv = -1;
- } if (strcmp(update, "name") == 0) {
+ } else if (strcmp(update, "name") == 0) {
/* name is stored in virtual_entry->name */
// memset(ve->name, ' ', 16);
// strncpy(ve->name, info->name, 16);
rv = -1;
- } if (strcmp(update, "_reshape_progress") == 0) {
+ } else if (strcmp(update, "_reshape_progress") == 0) {
/* We don't support reshape yet */
+ } else if (strcmp(update, "assemble") == 0 ) {
+ /* Do nothing, just succeed */
+ rv = 0;
} else
rv = -1;
mdu_array_info_t *info,
unsigned long long size,
char *name, char *homehost,
- int *uuid);
+ int *uuid, unsigned long long data_offset);
static int init_super_ddf(struct supertype *st,
mdu_array_info_t *info,
unsigned long long size, char *name, char *homehost,
- int *uuid)
+ int *uuid, unsigned long long data_offset)
{
/* This is primarily called by Create when creating a new array.
* We will then get add_to_super called for each component, and then
struct phys_disk *pd;
struct virtual_disk *vd;
+ if (data_offset != INVALID_SECTORS) {
+ fprintf(stderr, Name ": data-offset not supported by DDF\n");
+ return 0;
+ }
+
if (st->sb)
- return init_super_ddf_bvd(st, info, size, name, homehost, uuid);
+ return init_super_ddf_bvd(st, info, size, name, homehost, uuid,
+ data_offset);
if (posix_memalign((void**)&ddf, 512, sizeof(*ddf)) != 0) {
- fprintf(stderr, Name ": %s could not allocate superblock\n", __func__);
+ pr_err("%s could not allocate superblock\n", __func__);
return 0;
}
memset(ddf, 0, sizeof(*ddf));
strcpy((char*)ddf->controller.vendor_data, homehost);
if (posix_memalign((void**)&pd, 512, pdsize) != 0) {
- fprintf(stderr, Name ": %s could not allocate pd\n", __func__);
+ pr_err("%s could not allocate pd\n", __func__);
return 0;
}
ddf->phys = pd;
memset(pd->pad, 0xff, 52);
if (posix_memalign((void**)&vd, 512, vdsize) != 0) {
- fprintf(stderr, Name ": %s could not allocate vd\n", __func__);
+ pr_err("%s could not allocate vd\n", __func__);
return 0;
}
ddf->virt = vd;
default: return -1;
}
}
+
static int layout_to_rlq(int level, int layout, int raiddisks)
{
switch(level) {
* (dnum) of the given ddf.
* Return a malloced array of 'struct extent'
-FIXME ignore DDF_Legacy devices?
+ * FIXME ignore DDF_Legacy devices?
*/
struct extent *rv;
int n = 0;
unsigned int i, j;
- rv = malloc(sizeof(struct extent) * (ddf->max_part + 2));
- if (!rv)
- return NULL;
+ rv = xmalloc(sizeof(struct extent) * (ddf->max_part + 2));
for (i = 0; i < ddf->max_part; i++) {
struct vcl *v = dl->vlist[i];
mdu_array_info_t *info,
unsigned long long size,
char *name, char *homehost,
- int *uuid)
+ int *uuid, unsigned long long data_offset)
{
/* We are creating a BVD inside a pre-existing container.
* so st->sb is already set.
if (__be16_to_cpu(ddf->virt->populated_vdes)
>= __be16_to_cpu(ddf->virt->max_vdes)) {
- fprintf(stderr, Name": This ddf already has the "
- "maximum of %d virtual devices\n",
- __be16_to_cpu(ddf->virt->max_vdes));
+ pr_err("This ddf already has the "
+ "maximum of %d virtual devices\n",
+ __be16_to_cpu(ddf->virt->max_vdes));
return 0;
}
+ if (name)
+ for (venum = 0; venum < __be16_to_cpu(ddf->virt->max_vdes); venum++)
+ if (!all_ff(ddf->virt->entries[venum].guid)) {
+ char *n = ddf->virt->entries[venum].name;
+
+ if (strncmp(name, n, 16) == 0) {
+ pr_err("This ddf already"
+ " has an array called %s\n",
+ name);
+ return 0;
+ }
+ }
+
for (venum = 0; venum < __be16_to_cpu(ddf->virt->max_vdes); venum++)
if (all_ff(ddf->virt->entries[venum].guid))
break;
if (venum == __be16_to_cpu(ddf->virt->max_vdes)) {
- fprintf(stderr, Name ": Cannot find spare slot for "
- "virtual disk - DDF is corrupt\n");
+ pr_err("Cannot find spare slot for "
+ "virtual disk - DDF is corrupt\n");
return 0;
}
ve = &ddf->virt->entries[venum];
/* Now create a new vd_config */
if (posix_memalign((void**)&vcl, 512,
(offsetof(struct vcl, conf) + ddf->conf_rec_len * 512)) != 0) {
- fprintf(stderr, Name ": %s could not allocate vd_config\n", __func__);
+ pr_err("%s could not allocate vd_config\n", __func__);
return 0;
}
vcl->lba_offset = (__u64*) &vcl->conf.phys_refnum[ddf->mppe];
vcl->vcnum = venum;
- sprintf(st->subarray, "%d", venum);
vcl->block_sizes = NULL; /* FIXME not for CONCAT */
vc = &vcl->conf;
* expanding a pre-existing container
*/
static int add_to_super_ddf(struct supertype *st,
- mdu_disk_info_t *dk, int fd, char *devname)
+ mdu_disk_info_t *dk, int fd, char *devname,
+ unsigned long long data_offset)
{
struct ddf_super *ddf = st->sb;
struct dl *dd;
struct phys_disk_entry *pde;
unsigned int n, i;
struct stat stb;
+ __u32 *tptr;
if (ddf->currentconf) {
add_to_super_ddf_bvd(st, dk, fd, devname);
fstat(fd, &stb);
if (posix_memalign((void**)&dd, 512,
sizeof(*dd) + sizeof(dd->vlist[0]) * ddf->max_part) != 0) {
- fprintf(stderr, Name
- ": %s could allocate buffer for new disk, aborting\n",
- __func__);
+ pr_err("%s could allocate buffer for new disk, aborting\n",
+ __func__);
return 1;
}
dd->major = major(stb.st_rdev);
tm = localtime(&now);
sprintf(dd->disk.guid, "%8s%04d%02d%02d",
T10, tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday);
- *(__u32*)(dd->disk.guid + 16) = random32();
- *(__u32*)(dd->disk.guid + 20) = random32();
+ tptr = (__u32 *)(dd->disk.guid + 16);
+ *tptr++ = random32();
+ *tptr = random32();
do {
/* Cannot be bothered finding a CRC of some irrelevant details*/
sizeof(struct phys_disk_entry));
struct phys_disk *pd;
- pd = malloc(len);
+ pd = xmalloc(len);
pd->magic = DDF_PHYS_RECORDS_MAGIC;
pd->used_pdes = __cpu_to_be16(n);
pde = &pd->entries[0];
return 0;
}
+static int remove_from_super_ddf(struct supertype *st, mdu_disk_info_t *dk)
+{
+ struct ddf_super *ddf = st->sb;
+ struct dl *dl;
+
+ /* mdmon has noticed that this disk (dk->major/dk->minor) has
+ * disappeared from the container.
+ * We need to arrange that it disappears from the metadata and
+ * internal data structures too.
+ * Most of the work is done by ddf_process_update which edits
+ * the metadata and closes the file handle and attaches the memory
+ * where free_updates will free it.
+ */
+ for (dl = ddf->dlist; dl ; dl = dl->next)
+ if (dl->major == dk->major &&
+ dl->minor == dk->minor)
+ break;
+ if (!dl)
+ return -1;
+
+ if (st->update_tail) {
+ int len = (sizeof(struct phys_disk) +
+ sizeof(struct phys_disk_entry));
+ struct phys_disk *pd;
+
+ pd = xmalloc(len);
+ pd->magic = DDF_PHYS_RECORDS_MAGIC;
+ pd->used_pdes = __cpu_to_be16(dl->pdnum);
+ pd->entries[0].state = __cpu_to_be16(DDF_Missing);
+ append_metadata_update(st, pd, len);
+ }
+ return 0;
+}
+
/*
* This is the write_init_super method for a ddf container. It is
* called when creating a container or adding another device to a
* container.
*/
+#define NULL_CONF_SZ 4096
-static unsigned char null_conf[4096+512];
-
-static int __write_init_super_ddf(struct supertype *st, int do_close)
+static int __write_init_super_ddf(struct supertype *st)
{
struct ddf_super *ddf = st->sb;
int attempts = 0;
int successes = 0;
unsigned long long size, sector;
+ char *null_aligned;
+
+ if (posix_memalign((void**)&null_aligned, 4096, NULL_CONF_SZ) != 0) {
+ return -ENOMEM;
+ }
+ memset(null_aligned, 0xff, NULL_CONF_SZ);
/* try to write updated metadata,
* if we catch a failure move on to the next disk
if (write(fd, &c->conf, conf_size) < 0)
break;
} else {
- char *null_aligned = (char*)((((unsigned long)null_conf)+511)&~511UL);
- if (null_conf[0] != 0xff)
- memset(null_conf, 0xff, sizeof(null_conf));
unsigned int togo = conf_size;
- while (togo > sizeof(null_conf)-512) {
- if (write(fd, null_aligned, sizeof(null_conf)-512) < 0)
+ while (togo > NULL_CONF_SZ) {
+ if (write(fd, null_aligned, NULL_CONF_SZ) < 0)
break;
- togo -= sizeof(null_conf)-512;
+ togo -= NULL_CONF_SZ;
}
if (write(fd, null_aligned, togo) < 0)
break;
continue;
successes++;
}
-
- if (do_close)
- for (d = ddf->dlist; d; d=d->next) {
- close(d->fd);
- d->fd = -1;
- }
+ free(null_aligned);
return attempts != successes;
}
/* First the virtual disk. We have a slightly fake header */
len = sizeof(struct virtual_disk) + sizeof(struct virtual_entry);
- vd = malloc(len);
+ vd = xmalloc(len);
*vd = *ddf->virt;
vd->entries[0] = ddf->virt->entries[currentconf->vcnum];
vd->populated_vdes = __cpu_to_be16(currentconf->vcnum);
/* Then the vd_config */
len = ddf->conf_rec_len * 512;
- vc = malloc(len);
+ vc = xmalloc(len);
memcpy(vc, ¤tconf->conf, len);
append_metadata_update(st, vc, len);
/* FIXME I need to close the fds! */
return 0;
- } else {
+ } else {
struct dl *d;
for (d = ddf->dlist; d; d=d->next)
- while (Kill(d->devname, NULL, 0, 1, 1) == 0);
- return __write_init_super_ddf(st, 1);
+ while (Kill(d->devname, NULL, 0, -1, 1) == 0);
+ return __write_init_super_ddf(st);
}
}
#endif
-static __u64 avail_size_ddf(struct supertype *st, __u64 devsize)
+static __u64 avail_size_ddf(struct supertype *st, __u64 devsize,
+ unsigned long long data_offset)
{
/* We must reserve the last 32Meg */
if (devsize <= 32*1024*2)
int cnt = 0;
for (dl = ddf->dlist; dl ; dl=dl->next) {
- dl->raiddisk = -1;
+ dl->raiddisk = -1;
dl->esize = 0;
}
/* Now find largest extent on each device */
free(e);
}
if (cnt < raiddisks) {
- fprintf(stderr, Name ": not enough devices with space to create array.\n");
+ pr_err("not enough devices with space to create array.\n");
return 0; /* No enough free spaces large enough */
}
if (size == 0) {
continue;
/* This is bigger than 'size', see if there are enough */
cnt = 0;
- for (dl2 = dl; dl2 ; dl2=dl2->next)
+ for (dl2 = ddf->dlist; dl2 ; dl2=dl2->next)
if (dl2->esize >= dl->esize)
cnt++;
if (cnt >= raiddisks)
}
*freesize = size;
if (size < 32) {
- fprintf(stderr, Name ": not enough spare devices to create array.\n");
+ pr_err("not enough spare devices to create array.\n");
return 0;
}
}
for (dl = ddf->dlist ; dl && cnt < raiddisks ; dl=dl->next) {
if (dl->esize < size)
continue;
-
+
dl->raiddisk = cnt;
cnt++;
}
return 1;
}
-
-
static int
validate_geometry_ddf_container(struct supertype *st,
int level, int layout, int raiddisks,
int chunk, unsigned long long size,
+ unsigned long long data_offset,
char *dev, unsigned long long *freesize,
int verbose);
static int validate_geometry_ddf_bvd(struct supertype *st,
int level, int layout, int raiddisks,
- int chunk, unsigned long long size,
+ int *chunk, unsigned long long size,
+ unsigned long long data_offset,
char *dev, unsigned long long *freesize,
int verbose);
static int validate_geometry_ddf(struct supertype *st,
int level, int layout, int raiddisks,
- int chunk, unsigned long long size,
+ int *chunk, unsigned long long size,
+ unsigned long long data_offset,
char *dev, unsigned long long *freesize,
int verbose)
{
* If given BVDs, we make an SVD, changing all the GUIDs in the process.
*/
+ if (chunk && *chunk == UnSet)
+ *chunk = DEFAULT_CHUNK;
+
+ if (level == -1000000) level = LEVEL_CONTAINER;
if (level == LEVEL_CONTAINER) {
/* Must be a fresh device to add to a container */
return validate_geometry_ddf_container(st, level, layout,
- raiddisks, chunk,
- size, dev, freesize,
+ raiddisks, chunk?*chunk:0,
+ size, data_offset, dev,
+ freesize,
verbose);
}
break;
if (ddf_level_num[i].num1 == MAXINT) {
if (verbose)
- fprintf(stderr, Name ": DDF does not support level %d arrays\n",
- level);
+ pr_err("DDF does not support level %d arrays\n",
+ level);
return 0;
}
/* Should check layout? etc */
* chosen so that add_to_super/getinfo_super
* can return them.
*/
- return reserve_space(st, raiddisks, size, chunk, freesize);
+ return reserve_space(st, raiddisks, size, chunk?*chunk:0, freesize);
}
return 1;
}
* Should make a distinction one day.
*/
return validate_geometry_ddf_bvd(st, level, layout, raiddisks,
- chunk, size, dev, freesize,
+ chunk, size, data_offset, dev,
+ freesize,
verbose);
}
/* This is the first device for the array.
}
if (verbose)
- fprintf(stderr,
- Name ": ddf: Cannot create this array "
- "on device %s - a container is required.\n",
- dev);
+ pr_err("ddf: Cannot create this array "
+ "on device %s - a container is required.\n",
+ dev);
return 0;
}
if (errno != EBUSY || (fd = open(dev, O_RDONLY, 0)) < 0) {
if (verbose)
- fprintf(stderr, Name ": ddf: Cannot open %s: %s\n",
- dev, strerror(errno));
+ pr_err("ddf: Cannot open %s: %s\n",
+ dev, strerror(errno));
return 0;
}
/* Well, it is in use by someone, maybe a 'ddf' container. */
if (cfd < 0) {
close(fd);
if (verbose)
- fprintf(stderr, Name ": ddf: Cannot use %s: %s\n",
- dev, strerror(EBUSY));
+ pr_err("ddf: Cannot use %s: %s\n",
+ dev, strerror(EBUSY));
return 0;
}
sra = sysfs_read(cfd, 0, GET_VERSION);
* and try to create a bvd
*/
struct ddf_super *ddf;
- if (load_super_ddf_all(st, cfd, (void **)&ddf, NULL, 1) == 0) {
+ if (load_super_ddf_all(st, cfd, (void **)&ddf, NULL) == 0) {
st->sb = ddf;
st->container_dev = fd2devnum(cfd);
close(cfd);
return validate_geometry_ddf_bvd(st, level, layout,
raiddisks, chunk, size,
+ data_offset,
dev, freesize,
verbose);
}
validate_geometry_ddf_container(struct supertype *st,
int level, int layout, int raiddisks,
int chunk, unsigned long long size,
+ unsigned long long data_offset,
char *dev, unsigned long long *freesize,
int verbose)
{
fd = open(dev, O_RDONLY|O_EXCL, 0);
if (fd < 0) {
if (verbose)
- fprintf(stderr, Name ": ddf: Cannot open %s: %s\n",
- dev, strerror(errno));
+ pr_err("ddf: Cannot open %s: %s\n",
+ dev, strerror(errno));
return 0;
}
if (!get_dev_size(fd, dev, &ldsize)) {
}
close(fd);
- *freesize = avail_size_ddf(st, ldsize >> 9);
+ *freesize = avail_size_ddf(st, ldsize >> 9, INVALID_SECTORS);
if (*freesize == 0)
return 0;
static int validate_geometry_ddf_bvd(struct supertype *st,
int level, int layout, int raiddisks,
- int chunk, unsigned long long size,
+ int *chunk, unsigned long long size,
+ unsigned long long data_offset,
char *dev, unsigned long long *freesize,
int verbose)
{
/* ddf/bvd supports lots of things, but not containers */
if (level == LEVEL_CONTAINER) {
if (verbose)
- fprintf(stderr, Name ": DDF cannot create a container within an container\n");
+ pr_err("DDF cannot create a container within an container\n");
return 0;
}
/* We must have the container info already read in. */
}
if (dcnt < raiddisks) {
if (verbose)
- fprintf(stderr,
- Name ": ddf: Not enough devices with "
- "space for this array (%d < %d)\n",
- dcnt, raiddisks);
+ pr_err("ddf: Not enough devices with "
+ "space for this array (%d < %d)\n",
+ dcnt, raiddisks);
return 0;
}
return 1;
}
if (!dl) {
if (verbose)
- fprintf(stderr, Name ": ddf: %s is not in the "
- "same DDF set\n",
- dev);
+ pr_err("ddf: %s is not in the "
+ "same DDF set\n",
+ dev);
return 0;
}
e = get_extents(ddf, dl);
maxsize = 0;
i = 0;
if (e) do {
- unsigned long long esize;
- esize = e[i].start - pos;
- if (esize >= maxsize)
- maxsize = esize;
- pos = e[i].start + e[i].size;
- i++;
- } while (e[i-1].size);
+ unsigned long long esize;
+ esize = e[i].start - pos;
+ if (esize >= maxsize)
+ maxsize = esize;
+ pos = e[i].start + e[i].size;
+ i++;
+ } while (e[i-1].size);
*freesize = maxsize;
// FIXME here I am
}
static int load_super_ddf_all(struct supertype *st, int fd,
- void **sbp, char *devname, int keep_fd)
+ void **sbp, char *devname)
{
struct mdinfo *sra;
struct ddf_super *super;
int rv;
sprintf(nm, "%d:%d", sd->disk.major, sd->disk.minor);
- dfd = dev_open(nm, keep_fd? O_RDWR : O_RDONLY);
+ dfd = dev_open(nm, O_RDWR);
if (dfd < 0)
return 2;
rv = load_ddf_headers(dfd, super, NULL);
if (rv == 0)
- rv = load_ddf_local(dfd, super, NULL, keep_fd);
- if (!keep_fd) close(dfd);
+ rv = load_ddf_local(dfd, super, NULL, 1);
if (rv)
return 1;
}
st->ss = &super_ddf;
st->minor_version = 0;
st->max_devs = 512;
- st->container_dev = fd2devnum(fd);
}
- st->loaded_container = 1;
+ st->container_dev = fd2devnum(fd);
return 0;
}
+
+static int load_container_ddf(struct supertype *st, int fd,
+ char *devname)
+{
+ return load_super_ddf_all(st, fd, &st->sb, devname);
+}
+
#endif /* MDASSEMBLE */
static struct mdinfo *container_content_ddf(struct supertype *st, char *subarray)
unsigned int j;
struct mdinfo *this;
char *ep;
+ __u32 *cptr;
if (subarray &&
(strtoul(subarray, &ep, 10) != vc->vcnum ||
*ep != '\0'))
continue;
- this = malloc(sizeof(*this));
- memset(this, 0, sizeof(*this));
+ this = xcalloc(1, sizeof(*this));
this->next = rest;
rest = this;
this->array.md_minor = -1;
this->array.major_version = -1;
this->array.minor_version = -2;
- this->array.ctime = DECADE +
- __be32_to_cpu(*(__u32*)(vc->conf.guid+16));
+ cptr = (__u32 *)(vc->conf.guid + 16);
+ this->array.ctime = DECADE + __be32_to_cpu(*cptr);
this->array.utime = DECADE +
__be32_to_cpu(vc->conf.timestamp);
this->array.chunk_size = 512 << vc->conf.chunk_shift;
for (i = 0 ; i < ddf->mppe ; i++) {
struct mdinfo *dev;
struct dl *d;
+ int stt;
+ int pd;
if (vc->conf.phys_refnum[i] == 0xFFFFFFFF)
continue;
+ for (pd = __be16_to_cpu(ddf->phys->used_pdes);
+ pd--;)
+ if (ddf->phys->entries[pd].refnum
+ == vc->conf.phys_refnum[i])
+ break;
+ if (pd < 0)
+ continue;
+
+ stt = __be16_to_cpu(ddf->phys->entries[pd].state);
+ if ((stt & (DDF_Online|DDF_Failed|DDF_Rebuilding))
+ != DDF_Online)
+ continue;
+
this->array.working_disks++;
for (d = ddf->dlist; d ; d=d->next)
/* Haven't found that one yet, maybe there are others */
continue;
- dev = malloc(sizeof(*dev));
- memset(dev, 0, sizeof(*dev));
+ dev = xcalloc(1, sizeof(*dev));
dev->next = this->devs;
this->devs = dev;
return consistent;
}
+#define container_of(ptr, type, member) ({ \
+ const typeof( ((type *)0)->member ) *__mptr = (ptr); \
+ (type *)( (char *)__mptr - offsetof(type,member) );})
/*
* The state of each disk is stored in the global phys_disk structure
* in phys_disk.entries[n].state.
struct vd_config *vc = find_vdcr(ddf, inst);
int pd = find_phys(ddf, vc->phys_refnum[n]);
int i, st, working;
+ struct mdinfo *mdi;
+ struct dl *dl;
if (vc == NULL) {
dprintf("ddf: cannot find instance %d!!\n", inst);
return;
}
- if (pd < 0) {
- /* disk doesn't currently exist. If it is now in_sync,
- * insert it. */
+ /* Find the matching slot in 'info'. */
+ for (mdi = a->info.devs; mdi; mdi = mdi->next)
+ if (mdi->disk.raid_disk == n)
+ break;
+ if (!mdi)
+ return;
+
+ /* and find the 'dl' entry corresponding to that. */
+ for (dl = ddf->dlist; dl; dl = dl->next)
+ if (mdi->state_fd >= 0 &&
+ mdi->disk.major == dl->major &&
+ mdi->disk.minor == dl->minor)
+ break;
+ if (!dl)
+ return;
+
+ if (pd < 0 || pd != dl->pdnum) {
+ /* disk doesn't currently exist or has changed.
+ * If it is now in_sync, insert it. */
if ((state & DS_INSYNC) && ! (state & DS_FAULTY)) {
- /* Find dev 'n' in a->info->devs, determine the
- * ddf refnum, and set vc->phys_refnum and update
- * phys->entries[]
- */
- /* FIXME */
+ struct vcl *vcl;
+ pd = dl->pdnum;
+ vc->phys_refnum[n] = dl->disk.refnum;
+ vcl = container_of(vc, struct vcl, conf);
+ vcl->lba_offset[n] = mdi->data_offset;
+ ddf->phys->entries[pd].type &=
+ ~__cpu_to_be16(DDF_Global_Spare);
+ ddf->phys->entries[pd].type |=
+ __cpu_to_be16(DDF_Active_in_VD);
+ ddf->updates_pending = 1;
}
} else {
int old = ddf->phys->entries[pd].state;
if (working == a->info.array.raid_disks)
state = DDF_state_optimal;
else switch(vc->prl) {
- case DDF_RAID0:
- case DDF_CONCAT:
- case DDF_JBOD:
- state = DDF_state_failed;
- break;
- case DDF_RAID1:
- if (working == 0)
- state = DDF_state_failed;
- break;
- case DDF_RAID4:
- case DDF_RAID5:
- if (working < a->info.array.raid_disks-1)
- state = DDF_state_failed;
- break;
- case DDF_RAID6:
- if (working < a->info.array.raid_disks-2)
+ case DDF_RAID0:
+ case DDF_CONCAT:
+ case DDF_JBOD:
state = DDF_state_failed;
- else if (working == a->info.array.raid_disks-1)
- state = DDF_state_part_optimal;
- break;
- }
+ break;
+ case DDF_RAID1:
+ if (working == 0)
+ state = DDF_state_failed;
+ else if (working == 2 && state == DDF_state_degraded)
+ state = DDF_state_part_optimal;
+ break;
+ case DDF_RAID4:
+ case DDF_RAID5:
+ if (working < a->info.array.raid_disks-1)
+ state = DDF_state_failed;
+ break;
+ case DDF_RAID6:
+ if (working < a->info.array.raid_disks-2)
+ state = DDF_state_failed;
+ else if (working == a->info.array.raid_disks-1)
+ state = DDF_state_part_optimal;
+ break;
+ }
if (ddf->virt->entries[inst].state !=
((ddf->virt->entries[inst].state & ~DDF_state_mask)
if (!ddf->updates_pending)
return;
ddf->updates_pending = 0;
- __write_init_super_ddf(st, 0);
+ __write_init_super_ddf(st);
dprintf("ddf: sync_metadata\n");
}
* our actions.
* Possible update are:
* DDF_PHYS_RECORDS_MAGIC
- * Add a new physical device. Changes to this record
- * only happen implicitly.
+ * Add a new physical device or remove an old one.
+ * Changes to this record only happen implicitly.
* used_pdes is the device number.
* DDF_VIRT_RECORDS_MAGIC
* Add a new VD. Possibly also change the 'access' bits.
struct dl *dl;
unsigned int mppe;
unsigned int ent;
+ unsigned int pdnum, pd2;
dprintf("Process update %x\n", *magic);
ent = __be16_to_cpu(pd->used_pdes);
if (ent >= __be16_to_cpu(ddf->phys->max_pdes))
return;
+ if (pd->entries[0].state & __cpu_to_be16(DDF_Missing)) {
+ struct dl **dlp;
+ /* removing this disk. */
+ ddf->phys->entries[ent].state |= __cpu_to_be16(DDF_Missing);
+ for (dlp = &ddf->dlist; *dlp; dlp = &(*dlp)->next) {
+ struct dl *dl = *dlp;
+ if (dl->pdnum == (signed)ent) {
+ close(dl->fd);
+ dl->fd = -1;
+ /* FIXME this doesn't free
+ * dl->devname */
+ update->space = dl;
+ *dlp = dl->next;
+ break;
+ }
+ }
+ ddf->updates_pending = 1;
+ return;
+ }
if (!all_ff(ddf->phys->entries[ent].guid))
return;
ddf->phys->entries[ent] = pd->entries[0];
ddf->phys->used_pdes = __cpu_to_be16(1 +
- __be16_to_cpu(ddf->phys->used_pdes));
+ __be16_to_cpu(ddf->phys->used_pdes));
ddf->updates_pending = 1;
if (ddf->add_list) {
struct active_array *a;
return;
ddf->virt->entries[ent] = vd->entries[0];
ddf->virt->populated_vdes = __cpu_to_be16(1 +
- __be16_to_cpu(ddf->virt->populated_vdes));
+ __be16_to_cpu(ddf->virt->populated_vdes));
ddf->updates_pending = 1;
break;
memcpy(&vcl->conf, vc, update->len);
vcl->lba_offset = (__u64*)
&vcl->conf.phys_refnum[mppe];
+ for (ent = 0;
+ ent < __be16_to_cpu(ddf->virt->populated_vdes);
+ ent++)
+ if (memcmp(vc->guid, ddf->virt->entries[ent].guid,
+ DDF_GUID_LEN) == 0) {
+ vcl->vcnum = ent;
+ break;
+ }
ddf->conflist = vcl;
}
+ /* Set DDF_Transition on all Failed devices - to help
+ * us detect those that are no longer in use
+ */
+ for (pdnum = 0; pdnum < __be16_to_cpu(ddf->phys->used_pdes); pdnum++)
+ if (ddf->phys->entries[pdnum].state
+ & __be16_to_cpu(DDF_Failed))
+ ddf->phys->entries[pdnum].state
+ |= __be16_to_cpu(DDF_Transition);
/* Now make sure vlist is correct for each dl. */
for (dl = ddf->dlist; dl; dl = dl->next) {
unsigned int dn;
unsigned int vn = 0;
+ int in_degraded = 0;
for (vcl = ddf->conflist; vcl ; vcl = vcl->next)
for (dn=0; dn < ddf->mppe ; dn++)
if (vcl->conf.phys_refnum[dn] ==
dl->disk.refnum) {
+ int vstate;
dprintf("dev %d has %p at %d\n",
dl->pdnum, vcl, vn);
+ /* Clear the Transition flag */
+ if (ddf->phys->entries[dl->pdnum].state
+ & __be16_to_cpu(DDF_Failed))
+ ddf->phys->entries[dl->pdnum].state &=
+ ~__be16_to_cpu(DDF_Transition);
+
dl->vlist[vn++] = vcl;
+ vstate = ddf->virt->entries[vcl->vcnum].state
+ & DDF_state_mask;
+ if (vstate == DDF_state_degraded ||
+ vstate == DDF_state_part_optimal)
+ in_degraded = 1;
break;
}
while (vn < ddf->max_part)
if (dl->vlist[0]) {
ddf->phys->entries[dl->pdnum].type &=
~__cpu_to_be16(DDF_Global_Spare);
- ddf->phys->entries[dl->pdnum].type |=
- __cpu_to_be16(DDF_Active_in_VD);
+ if (!(ddf->phys->entries[dl->pdnum].type &
+ __cpu_to_be16(DDF_Active_in_VD))) {
+ ddf->phys->entries[dl->pdnum].type |=
+ __cpu_to_be16(DDF_Active_in_VD);
+ if (in_degraded)
+ ddf->phys->entries[dl->pdnum].state |=
+ __cpu_to_be16(DDF_Rebuilding);
+ }
}
if (dl->spare) {
ddf->phys->entries[dl->pdnum].type &=
DDF_Active_in_VD);
}
}
+
+ /* Now remove any 'Failed' devices that are not part
+ * of any VD. They will have the Transition flag set.
+ * Once done, we need to update all dl->pdnum numbers.
+ */
+ pd2 = 0;
+ for (pdnum = 0; pdnum < __be16_to_cpu(ddf->phys->used_pdes); pdnum++)
+ if ((ddf->phys->entries[pdnum].state
+ & __be16_to_cpu(DDF_Failed))
+ && (ddf->phys->entries[pdnum].state
+ & __be16_to_cpu(DDF_Transition)))
+ /* skip this one */;
+ else if (pdnum == pd2)
+ pd2++;
+ else {
+ ddf->phys->entries[pd2] = ddf->phys->entries[pdnum];
+ for (dl = ddf->dlist; dl; dl = dl->next)
+ if (dl->pdnum == (int)pdnum)
+ dl->pdnum = pd2;
+ pd2++;
+ }
+ ddf->phys->used_pdes = __cpu_to_be16(pd2);
+ while (pd2 < pdnum) {
+ memset(ddf->phys->entries[pd2].guid, 0xff, DDF_GUID_LEN);
+ pd2++;
+ }
+
ddf->updates_pending = 1;
break;
case DDF_SPARE_ASSIGN_MAGIC:
__u32 *magic = (__u32*)update->buf;
if (*magic == DDF_VD_CONF_MAGIC)
if (posix_memalign(&update->space, 512,
- offsetof(struct vcl, conf)
- + ddf->conf_rec_len * 512) != 0)
+ offsetof(struct vcl, conf)
+ + ddf->conf_rec_len * 512) != 0)
update->space = NULL;
}
for (d = a->info.devs ; d ; d = d->next) {
if ((d->curr_state & DS_FAULTY) &&
- d->state_fd >= 0)
+ d->state_fd >= 0)
/* wait for Removal to happen */
return NULL;
if (d->state_fd >= 0)
unsigned int j;
/* If in this array, skip */
for (d2 = a->info.devs ; d2 ; d2 = d2->next)
- if (d2->disk.major == dl->major &&
+ if (d2->state_fd >= 0 &&
+ d2->disk.major == dl->major &&
d2->disk.minor == dl->minor) {
dprintf("%x:%x already in array\n", dl->major, dl->minor);
break;
} else if (ddf->phys->entries[dl->pdnum].type &
__cpu_to_be16(DDF_Global_Spare)) {
is_global = 1;
+ } else if (!(ddf->phys->entries[dl->pdnum].state &
+ __cpu_to_be16(DDF_Failed))) {
+ /* we can possibly use some of this */
+ is_global = 1;
}
if ( ! (is_dedicated ||
(is_global && global_ok))) {
dprintf("%x:%x not suitable: %d %d\n", dl->major, dl->minor,
- is_dedicated, is_global);
+ is_dedicated, is_global);
continue;
}
esize = ex[j].start - pos;
if (esize >= a->info.component_size)
break;
- pos = ex[i].start + ex[i].size;
- i++;
- } while (ex[i-1].size);
+ pos = ex[j].start + ex[j].size;
+ j++;
+ } while (ex[j-1].size);
free(ex);
if (esize < a->info.component_size) {
- dprintf("%x:%x has no room: %llu %llu\n", dl->major, dl->minor,
+ dprintf("%x:%x has no room: %llu %llu\n",
+ dl->major, dl->minor,
esize, a->info.component_size);
/* No room */
continue;
}
/* Cool, we have a device with some space at pos */
- di = malloc(sizeof(*di));
- if (!di)
- continue;
- memset(di, 0, sizeof(*di));
+ di = xcalloc(1, sizeof(*di));
di->disk.number = i;
di->disk.raid_disk = i;
di->disk.major = dl->major;
* Create a metadata_update record to update the
* phys_refnum and lba_offset values
*/
- mu = malloc(sizeof(*mu));
- if (mu && posix_memalign(&mu->space, 512, sizeof(struct vcl)) != 0) {
+ mu = xmalloc(sizeof(*mu));
+ if (posix_memalign(&mu->space, 512, sizeof(struct vcl)) != 0) {
free(mu);
mu = NULL;
}
- if (!mu) {
- while (rv) {
- struct mdinfo *n = rv->next;
-
- free(rv);
- rv = n;
- }
- return NULL;
- }
-
- mu->buf = malloc(ddf->conf_rec_len * 512);
- mu->len = ddf->conf_rec_len;
+ mu->buf = xmalloc(ddf->conf_rec_len * 512);
+ mu->len = ddf->conf_rec_len * 512;
+ mu->space = NULL;
+ mu->space_list = NULL;
mu->next = *updates;
vc = find_vdcr(ddf, a->info.container_member);
memcpy(mu->buf, vc, ddf->conf_rec_len * 512);
}
}
+static void default_geometry_ddf(struct supertype *st, int *level, int *layout, int *chunk)
+{
+ if (level && *level == UnSet)
+ *level = LEVEL_CONTAINER;
+
+ if (level && layout && *layout == UnSet)
+ *layout = ddf_level_to_layout(*level);
+}
+
struct superswitch super_ddf = {
#ifndef MDASSEMBLE
.examine_super = examine_super_ddf,
.validate_geometry = validate_geometry_ddf,
.write_init_super = write_init_super_ddf,
.add_to_super = add_to_super_ddf,
+ .remove_from_super = remove_from_super_ddf,
+ .load_container = load_container_ddf,
#endif
.match_home = match_home_ddf,
.uuid_from_super= uuid_from_super_ddf,
.free_super = free_super_ddf,
.match_metadata_desc = match_metadata_desc_ddf,
.container_content = container_content_ddf,
- .default_layout = ddf_level_to_layout,
+ .default_geometry = default_geometry_ddf,
.external = 1,
projects / thirdparty / mdadm.git / blobdiff