#include "sha1.h"
#include <values.h>
-static inline int ROUND_UP(int a, int base)
-{
- return ((a+base-1)/base)*base;
-}
-
/* a non-official T10 name for creation GUIDs */
static char T10[] = "Linux-MD";
* built in Create or Assemble to describe the whole array.
*/
struct ddf_super {
- struct ddf_header anchor, primary, secondary, *active;
+ struct ddf_header anchor, primary, secondary;
struct ddf_controller_data controller;
+ struct ddf_header *active;
struct phys_disk *phys;
struct virtual_disk *virt;
int pdsize, vdsize;
int currentdev;
int updates_pending;
struct vcl {
- struct vcl *next;
- __u64 *lba_offset; /* location in 'conf' of
- * the lba table */
- int vcnum; /* index into ->virt */
- __u64 *block_sizes; /* NULL if all the same */
+ union {
+ char space[512];
+ struct {
+ struct vcl *next;
+ __u64 *lba_offset; /* location in 'conf' of
+ * the lba table */
+ int vcnum; /* index into ->virt */
+ __u64 *block_sizes; /* NULL if all the same */
+ };
+ };
struct vd_config conf;
} *conflist, *currentconf;
struct dl {
- struct dl *next;
+ union {
+ char space[512];
+ struct {
+ struct dl *next;
+ int major, minor;
+ char *devname;
+ int fd;
+ unsigned long long size; /* sectors */
+ int pdnum; /* index in ->phys */
+ struct spare_assign *spare;
+ };
+ };
struct disk_data disk;
- int major, minor;
- char *devname;
- int fd;
- unsigned long long size; /* sectors */
- int pdnum; /* index in ->phys */
- struct spare_assign *spare;
struct vcl *vlist[0]; /* max_part in size */
} *dlist;
};
/* All pre-allocated sections are a single block */
if (len != 1)
return NULL;
- } else
- buf = malloc(len<<9);
+ } else {
+ posix_memalign(&buf, 512, len<<9);
+ }
+
if (!buf)
return NULL;
unsigned long long dsize;
/* First the local disk info */
- dl = malloc(sizeof(*dl) +
- (super->max_part) * sizeof(dl->vlist[0]));
+ posix_memalign((void**)&dl, 512,
+ sizeof(*dl) +
+ (super->max_part) * sizeof(dl->vlist[0]));
load_section(fd, super, &dl->disk,
super->active->data_section_offset,
if (vd->magic == DDF_SPARE_ASSIGN_MAGIC) {
if (dl->spare)
continue;
- dl->spare = malloc(super->conf_rec_len*512);
+ posix_memalign((void**)&dl->spare, 512,
+ super->conf_rec_len*512);
memcpy(dl->spare, vd, super->conf_rec_len*512);
continue;
}
__be32_to_cpu(vcl->conf.seqnum))
continue;
} else {
- vcl = malloc(super->conf_rec_len*512 +
- offsetof(struct vcl, conf));
+ posix_memalign((void**)&vcl, 512,
+ (super->conf_rec_len*512 +
+ offsetof(struct vcl, conf)));
vcl->next = super->conflist;
vcl->block_sizes = NULL; /* FIXME not for CONCAT */
super->conflist = vcl;
}
}
- super = malloc(sizeof(*super));
- if (!super) {
+ if (posix_memalign((void**)&super, 512, sizeof(*super))!= 0) {
fprintf(stderr, Name ": malloc of %zu failed.\n",
sizeof(*super));
return 1;
// info->disk.raid_disk = find refnum in the table and use index;
// info->disk.state = ???;
+ info->container_member = ddf->currentconf->vcnum;
+
info->resync_start = 0;
if (!(ddf->virt->entries[info->container_member].state
& DDF_state_inconsistent) &&
return init_super_ddf_bvd(st, info, size, name, homehost,
uuid);
- ddf = malloc(sizeof(*ddf));
+ posix_memalign((void**)&ddf, 512, sizeof(*ddf));
memset(ddf, 0, sizeof(*ddf));
ddf->dlist = NULL; /* no physical disks yet */
ddf->conflist = NULL; /* No virtual disks yet */
memset(ddf->controller.pad, 0xff, 8);
memset(ddf->controller.vendor_data, 0xff, 448);
- pd = ddf->phys = malloc(pdsize);
+ posix_memalign((void**)&pd, 512, pdsize);
+ ddf->phys = pd;
ddf->pdsize = pdsize;
memset(pd, 0xff, pdsize);
pd->max_pdes = __cpu_to_be16(max_phys_disks);
memset(pd->pad, 0xff, 52);
- vd = ddf->virt = malloc(vdsize);
+ posix_memalign((void**)&vd, 512, vdsize);
+ ddf->virt = vd;
ddf->vdsize = vdsize;
memset(vd, 0, vdsize);
vd->magic = DDF_VIRT_RECORDS_MAGIC;
__cpu_to_be16(__be16_to_cpu(ddf->virt->populated_vdes)+1);
/* Now create a new vd_config */
- vcl = malloc(offsetof(struct vcl, conf) + ddf->conf_rec_len * 512);
+ posix_memalign((void**)&vcl, 512,
+ (offsetof(struct vcl, conf) + ddf->conf_rec_len * 512));
vcl->lba_offset = (__u64*) &vcl->conf.phys_refnum[ddf->mppe];
vcl->vcnum = venum;
sprintf(st->subarray, "%d", venum);
* a phys_disk entry and a more detailed disk_data entry.
*/
fstat(fd, &stb);
- dd = malloc(sizeof(*dd) + sizeof(dd->vlist[0]) * ddf->max_part);
+ posix_memalign((void**)&dd, 512,
+ sizeof(*dd) + sizeof(dd->vlist[0]) * ddf->max_part);
dd->major = major(stb.st_rdev);
dd->minor = minor(stb.st_rdev);
dd->devname = devname;
#ifndef MDASSEMBLE
-static unsigned char null_conf[4096];
+static unsigned char null_conf[4096+512];
static int __write_init_super_ddf(struct supertype *st, int do_close)
{
c->conf.crc = calc_crc(&c->conf, conf_size);
write(fd, &c->conf, conf_size);
} else {
+ char *null_aligned = (char*)((((unsigned long)null_conf)+511)&~511UL);
if (null_conf[0] != 0xff)
memset(null_conf, 0xff, sizeof(null_conf));
int togo = conf_size;
- while (togo > sizeof(null_conf)) {
- write(fd, null_conf, sizeof(null_conf));
- togo -= sizeof(null_conf);
+ while (togo > sizeof(null_conf)-512) {
+ write(fd, null_aligned, sizeof(null_conf)-512);
+ togo -= sizeof(null_conf)-512;
}
- write(fd, null_conf, togo);
+ write(fd, null_aligned, togo);
}
}
d->disk.crc = calc_crc(&d->disk, 512);
}
#ifndef MDASSEMBLE
-static int validate_geometry_ddf_container(struct supertype *st,
- int level, int layout, int raiddisks,
- int chunk, unsigned long long size,
- char *dev, unsigned long long *freesize);
+static int
+validate_geometry_ddf_container(struct supertype *st,
+ int level, int layout, int raiddisks,
+ int chunk, unsigned long long size,
+ 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,
- char *dev, unsigned long long *freesize);
+ 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,
- char *dev, unsigned long long *freesize)
+ int level, int layout, int raiddisks,
+ int chunk, unsigned long long size,
+ char *dev, unsigned long long *freesize,
+ int verbose)
{
int fd;
struct mdinfo *sra;
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,
+ size, dev, freesize,
+ verbose);
}
if (st->sb) {
* Should make a distinction one day.
*/
return validate_geometry_ddf_bvd(st, level, layout, raiddisks,
- chunk, size, dev, freesize);
+ chunk, size, dev, freesize,
+ verbose);
}
if (!dev) {
/* Initial sanity check. Exclude illegal levels. */
/* Somehow return the fact that we have enough */
}
- fprintf(stderr,
- Name ": Cannot create this array on device %s\n",
- dev);
+ if (verbose)
+ fprintf(stderr,
+ Name ": ddf: Cannot create this array "
+ "on device %s\n",
+ dev);
return 0;
}
if (errno != EBUSY || (fd = open(dev, O_RDONLY, 0)) < 0) {
- fprintf(stderr, Name ": Cannot open %s: %s\n",
- dev, strerror(errno));
+ if (verbose)
+ fprintf(stderr, Name ": ddf: Cannot open %s: %s\n",
+ dev, strerror(errno));
return 0;
}
/* Well, it is in use by someone, maybe a 'ddf' container. */
cfd = open_container(fd);
if (cfd < 0) {
close(fd);
- fprintf(stderr, Name ": Cannot use %s: It is busy\n",
- dev);
+ if (verbose)
+ fprintf(stderr, Name ": ddf: Cannot use %s: %s\n",
+ dev, strerror(EBUSY));
return 0;
}
sra = sysfs_read(cfd, 0, GET_VERSION);
close(cfd);
return validate_geometry_ddf_bvd(st, level, layout,
raiddisks, chunk, size,
- dev, freesize);
+ dev, freesize,
+ verbose);
}
close(cfd);
} else /* device may belong to a different container */
return 1;
}
-static int validate_geometry_ddf_container(struct supertype *st,
- int level, int layout, int raiddisks,
- int chunk, unsigned long long size,
- char *dev, unsigned long long *freesize)
+static int
+validate_geometry_ddf_container(struct supertype *st,
+ int level, int layout, int raiddisks,
+ int chunk, unsigned long long size,
+ char *dev, unsigned long long *freesize,
+ int verbose)
{
int fd;
unsigned long long ldsize;
fd = open(dev, O_RDONLY|O_EXCL, 0);
if (fd < 0) {
- fprintf(stderr, Name ": Cannot open %s: %s\n",
- dev, strerror(errno));
+ if (verbose)
+ fprintf(stderr, Name ": ddf: Cannot open %s: %s\n",
+ dev, strerror(errno));
return 0;
}
if (!get_dev_size(fd, dev, &ldsize)) {
static int validate_geometry_ddf_bvd(struct supertype *st,
int level, int layout, int raiddisks,
int chunk, unsigned long long size,
- char *dev, unsigned long long *freesize)
+ char *dev, unsigned long long *freesize,
+ int verbose)
{
struct stat stb;
struct ddf_super *ddf = st->sb;
free(e);
}
if (dcnt < raiddisks) {
- fprintf(stderr, Name ": Not enough devices with space "
- "for this array (%d < %d)\n",
- dcnt, raiddisks);
+ if (verbose)
+ fprintf(stderr,
+ Name ": ddf: Not enough devices with "
+ "space for this array (%d < %d)\n",
+ dcnt, raiddisks);
return 0;
}
return 1;
break;
}
if (!dl) {
- fprintf(stderr, Name ": %s is not in the same DDF set\n",
- dev);
+ if (verbose)
+ fprintf(stderr, Name ": ddf: %s is not in the "
+ "same DDF set\n",
+ dev);
return 0;
}
e = get_extents(ddf, dl);
strcmp(sra->text_version, "ddf") != 0)
return 1;
- super = malloc(sizeof(*super));
- if (!super)
+ if (posix_memalign((void**)&super, 512, sizeof(*super)) != 0)
return 1;
memset(super, 0, sizeof(*super));
dev->disk.raid_disk = i;
dev->disk.state = (1<<MD_DISK_SYNC)|(1<<MD_DISK_ACTIVE);
- dev->events = __le32_to_cpu(ddf->primary.seq);
- dev->data_offset = vc->lba_offset[i];
+ dev->events = __be32_to_cpu(ddf->primary.seq);
+ dev->data_offset = __be64_to_cpu(vc->lba_offset[i]);
dev->component_size = __be64_to_cpu(vc->conf.blocks);
if (d->devname)
strcpy(dev->name, d->devname);
static int store_zero_ddf(struct supertype *st, int fd)
{
unsigned long long dsize;
- char buf[512];
- memset(buf, 0, 512);
+ void *buf;
if (!get_dev_size(fd, NULL, &dsize))
return 1;
+ posix_memalign(&buf, 512, 512);
+ memset(buf, 0, 512);
+
lseek64(fd, dsize-512, 0);
write(fd, buf, 512);
+ free(buf);
return 0;
}
*/
static int ddf_open_new(struct supertype *c, struct active_array *a, char *inst)
{
- fprintf(stderr, "ddf: open_new %s\n", inst);
+ dprintf("ddf: open_new %s\n", inst);
a->info.container_member = atoi(inst);
return 0;
}
if (old != ddf->virt->entries[inst].init_state)
ddf->updates_pending = 1;
- printf("ddf mark %d %s %llu\n", inst, consistent?"clean":"dirty",
- a->resync_start);
+ dprintf("ddf mark %d %s %llu\n", inst, consistent?"clean":"dirty",
+ a->resync_start);
}
/*
int i, st, working;
if (vc == NULL) {
- fprintf(stderr, "ddf: cannot find instance %d!!\n", inst);
+ dprintf("ddf: cannot find instance %d!!\n", inst);
return;
}
if (pd < 0) {
ddf->updates_pending = 1;
}
- fprintf(stderr, "ddf: set_disk %d to %x\n", n, state);
+ dprintf("ddf: set_disk %d to %x\n", n, state);
/* Now we need to check the state of the array and update
* virtual_disk.entries[n].state.
return;
ddf->updates_pending = 0;
__write_init_super_ddf(st, 0);
- fprintf(stderr, "ddf: sync_metadata\n");
+ dprintf("ddf: sync_metadata\n");
}
static void ddf_process_update(struct supertype *st,
int mppe;
int ent;
-// printf("Process update %x\n", *magic);
+ dprintf("Process update %x\n", *magic);
switch (*magic) {
case DDF_PHYS_RECORDS_MAGIC:
break;
case DDF_VD_CONF_MAGIC:
-// printf("len %d %d\n", update->len, ddf->conf_rec_len);
+ dprintf("len %d %d\n", update->len, ddf->conf_rec_len);
mppe = __be16_to_cpu(ddf->anchor.max_primary_element_entries);
if (update->len != ddf->conf_rec_len * 512)
for (vcl = ddf->conflist; vcl ; vcl = vcl->next)
if (memcmp(vcl->conf.guid, vc->guid, DDF_GUID_LEN) == 0)
break;
-// printf("vcl = %p\n", vcl);
+ dprintf("vcl = %p\n", vcl);
if (vcl) {
/* An update, just copy the phys_refnum and lba_offset
* fields
for (dn=0; dn < ddf->mppe ; dn++)
if (vcl->conf.phys_refnum[dn] ==
dl->disk.refnum) {
-// printf("dev %d has %p at %d\n",
-// dl->pdnum, vcl, vn);
+ dprintf("dev %d has %p at %d\n",
+ dl->pdnum, vcl, vn);
dl->vlist[vn++] = vcl;
break;
}
struct ddf_super *ddf = st->sb;
__u32 *magic = (__u32*)update->buf;
if (*magic == DDF_VD_CONF_MAGIC)
- update->space = malloc(offsetof(struct vcl, conf)
- + ddf->conf_rec_len * 512);
+ posix_memalign(&update->space, 512,
+ offsetof(struct vcl, conf)
+ + ddf->conf_rec_len * 512);
}
/*
working ++;
}
-// printf("ddf_activate: working=%d (%d) level=%d\n", working, a->info.array.raid_disks,
-// a->info.array.level);
+ dprintf("ddf_activate: working=%d (%d) level=%d\n", working, a->info.array.raid_disks,
+ a->info.array.level);
if (working == a->info.array.raid_disks)
return NULL; /* array not degraded */
switch (a->info.array.level) {
for (d = a->info.devs ; d ; d = d->next)
if (d->disk.raid_disk == i)
break;
- printf("found %d: %p %x\n", i, d, d?d->curr_state:0);
+ dprintf("found %d: %p %x\n", i, d, d?d->curr_state:0);
if (d && (d->state_fd >= 0))
continue;
for (d2 = a->info.devs ; d2 ; d2 = d2->next)
if (d2->disk.major == dl->major &&
d2->disk.minor == dl->minor) {
- printf("%x:%x already in array\n", dl->major, dl->minor);
+ dprintf("%x:%x already in array\n", dl->major, dl->minor);
break;
}
if (d2)
}
if ( ! (is_dedicated ||
(is_global && global_ok))) {
- printf("%x:%x not suitable: %d %d\n", dl->major, dl->minor,
+ dprintf("%x:%x not suitable: %d %d\n", dl->major, dl->minor,
is_dedicated, is_global);
continue;
}
* We need a->info.component_size sectors */
ex = get_extents(ddf, dl);
if (!ex) {
- printf("cannot get extents\n");
+ dprintf("cannot get extents\n");
continue;
}
j = 0; pos = 0;
free(ex);
if (esize < a->info.component_size) {
- printf("%x:%x has no room: %llu %llu\n", dl->major, dl->minor,
- esize, a->info.component_size);
+ dprintf("%x:%x has no room: %llu %llu\n", dl->major, dl->minor,
+ esize, a->info.component_size);
/* No room */
continue;
}
di->container_member = dl->pdnum;
di->next = rv;
rv = di;
- printf("%x:%x to be %d at %llu\n", dl->major, dl->minor,
- i, pos);
+ dprintf("%x:%x to be %d at %llu\n", dl->major, dl->minor,
+ i, pos);
break;
}
*/
mu = malloc(sizeof(*mu));
mu->buf = malloc(ddf->conf_rec_len * 512);
- mu->space = malloc(sizeof(struct vcl));
+ posix_memalign(&mu->space, 512, sizeof(struct vcl));
mu->len = ddf->conf_rec_len;
mu->next = *updates;
vc = find_vdcr(ddf, a->info.container_member);
projects / thirdparty / mdadm.git / blobdiff