/*
* mdadm - manage Linux "md" devices aka RAID arrays.
*
- * Copyright (C) 2001-2009 Neil Brown <neilb@suse.de>
+ * Copyright (C) 2001-2012 Neil Brown <neilb@suse.de>
*
*
* This program is free software; you can redistribute it and/or modify
int disk_count = next_spare + working_disks;
dprintf("Called restore_backup()\n");
- fdlist = malloc(sizeof(int) * disk_count);
- if (fdlist == NULL) {
- fprintf(stderr,
- Name ": cannot allocate memory for disk list\n");
- return 1;
- }
+ fdlist = xmalloc(sizeof(int) * disk_count);
+
for (i = 0; i < next_spare; i++)
fdlist[i] = -1;
for (dev = content->devs; dev; dev = dev->next) {
}
free(fdlist);
if (err) {
- fprintf(stderr, Name ": Failed to restore critical"
- " section for reshape - sorry.\n");
+ pr_err("Failed to restore critical"
+ " section for reshape - sorry.\n");
if (!backup_file)
- fprintf(stderr, Name ": Possibly you need"
+ pr_err("Possibly you need"
" to specify a --backup-file\n");
return 1;
}
char *subarray = NULL;
if (ioctl(fd, GET_ARRAY_INFO, &info.array) < 0) {
- fprintf(stderr, Name ": cannot get array info for %s\n", devname);
+ pr_err("cannot get array info for %s\n", devname);
return 1;
}
if (info.array.level != -1) {
- fprintf(stderr, Name ": can only add devices to linear arrays\n");
+ pr_err("can only add devices to linear arrays\n");
return 1;
}
st = super_by_fd(fd, &subarray);
if (!st) {
- fprintf(stderr, Name ": cannot handle arrays with superblock version %d\n", info.array.major_version);
+ pr_err("cannot handle arrays with superblock version %d\n",
+ info.array.major_version);
return 1;
}
if (subarray) {
- fprintf(stderr, Name ": Cannot grow linear sub-arrays yet\n");
+ pr_err("Cannot grow linear sub-arrays yet\n");
free(subarray);
free(st);
return 1;
nfd = open(newdev, O_RDWR|O_EXCL|O_DIRECT);
if (nfd < 0) {
- fprintf(stderr, Name ": cannot open %s\n", newdev);
+ pr_err("cannot open %s\n", newdev);
free(st);
return 1;
}
fstat(nfd, &stb);
if ((stb.st_mode & S_IFMT) != S_IFBLK) {
- fprintf(stderr, Name ": %s is not a block device!\n", newdev);
+ pr_err("%s is not a block device!\n", newdev);
close(nfd);
free(st);
return 1;
}
- /* now check out all the devices and make sure we can read the superblock */
+ /* now check out all the devices and make sure we can read the
+ * superblock */
for (d=0 ; d < info.array.raid_disks ; d++) {
mdu_disk_info_t disk;
char *dv;
disk.number = d;
if (ioctl(fd, GET_DISK_INFO, &disk) < 0) {
- fprintf(stderr, Name ": cannot get device detail for device %d\n",
+ pr_err("cannot get device detail for device %d\n",
d);
close(nfd);
free(st);
}
dv = map_dev(disk.major, disk.minor, 1);
if (!dv) {
- fprintf(stderr, Name ": cannot find device file for device %d\n",
+ pr_err("cannot find device file for device %d\n",
d);
close(nfd);
free(st);
}
fd2 = dev_open(dv, O_RDWR);
if (fd2 < 0) {
- fprintf(stderr, Name ": cannot open device file %s\n", dv);
+ pr_err("cannot open device file %s\n", dv);
close(nfd);
free(st);
return 1;
}
if (st->ss->load_super(st, fd2, NULL)) {
- fprintf(stderr, Name ": cannot find super block on %s\n", dv);
+ pr_err("cannot find super block on %s\n", dv);
close(nfd);
close(fd2);
free(st);
0, 0, NULL);
if (st->ss->store_super(st, nfd)) {
- fprintf(stderr, Name ": Cannot store new superblock on %s\n",
+ pr_err("Cannot store new superblock on %s\n",
newdev);
close(nfd);
return 1;
close(nfd);
if (ioctl(fd, ADD_NEW_DISK, &info.disk) != 0) {
- fprintf(stderr, Name ": Cannot add new disk to this array\n");
+ pr_err("Cannot add new disk to this array\n");
return 1;
}
/* Well, that seems to have worked.
*/
if (ioctl(fd, GET_ARRAY_INFO, &info.array) < 0) {
- fprintf(stderr, Name ": cannot get array info for %s\n", devname);
+ pr_err("cannot get array info for %s\n", devname);
return 1;
}
disk.number = d;
if (ioctl(fd, GET_DISK_INFO, &disk) < 0) {
- fprintf(stderr, Name ": cannot get device detail for device %d\n",
+ pr_err("cannot get device detail for device %d\n",
d);
return 1;
}
dv = map_dev(disk.major, disk.minor, 1);
if (!dv) {
- fprintf(stderr, Name ": cannot find device file for device %d\n",
+ pr_err("cannot find device file for device %d\n",
d);
return 1;
}
fd2 = dev_open(dv, O_RDWR);
if (fd2 < 0) {
- fprintf(stderr, Name ": cannot open device file %s\n", dv);
+ pr_err("cannot open device file %s\n", dv);
return 1;
}
if (st->ss->load_super(st, fd2, NULL)) {
- fprintf(stderr, Name ": cannot find super block on %s\n", dv);
+ pr_err("cannot find super block on %s\n", dv);
close(fd);
return 1;
}
0, 0, NULL);
if (st->ss->store_super(st, fd2)) {
- fprintf(stderr, Name ": Cannot store new superblock on %s\n", dv);
+ pr_err("Cannot store new superblock on %s\n", dv);
close(fd2);
return 1;
}
return 0;
}
-int Grow_addbitmap(char *devname, int fd, char *file, int chunk, int delay, int write_behind, int force)
+int Grow_addbitmap(char *devname, int fd, struct context *c, struct shape *s)
{
/*
* First check that array doesn't have a bitmap
if (vers < 9003) {
major = BITMAP_MAJOR_HOSTENDIAN;
- fprintf(stderr, Name ": Warning - bitmaps created on this kernel"
+ pr_err("Warning - bitmaps created on this kernel"
" are not portable\n"
" between different architectures. Consider upgrading"
" the Linux kernel.\n");
if (ioctl(fd, GET_BITMAP_FILE, &bmf) != 0) {
if (errno == ENOMEM)
- fprintf(stderr, Name ": Memory allocation failure.\n");
+ pr_err("Memory allocation failure.\n");
else
- fprintf(stderr, Name ": bitmaps not supported by this kernel.\n");
+ pr_err("bitmaps not supported by this kernel.\n");
return 1;
}
if (bmf.pathname[0]) {
- if (strcmp(file,"none")==0) {
+ if (strcmp(s->bitmap_file,"none")==0) {
if (ioctl(fd, SET_BITMAP_FILE, -1)!= 0) {
- fprintf(stderr, Name ": failed to remove bitmap %s\n",
+ pr_err("failed to remove bitmap %s\n",
bmf.pathname);
return 1;
}
return 0;
}
- fprintf(stderr, Name ": %s already has a bitmap (%s)\n",
+ pr_err("%s already has a bitmap (%s)\n",
devname, bmf.pathname);
return 1;
}
if (ioctl(fd, GET_ARRAY_INFO, &array) != 0) {
- fprintf(stderr, Name ": cannot get array status for %s\n", devname);
+ pr_err("cannot get array status for %s\n", devname);
return 1;
}
if (array.state & (1<<MD_SB_BITMAP_PRESENT)) {
- if (strcmp(file, "none")==0) {
+ if (strcmp(s->bitmap_file, "none")==0) {
array.state &= ~(1<<MD_SB_BITMAP_PRESENT);
if (ioctl(fd, SET_ARRAY_INFO, &array)!= 0) {
- fprintf(stderr, Name ": failed to remove internal bitmap.\n");
+ pr_err("failed to remove internal bitmap.\n");
return 1;
}
return 0;
}
- fprintf(stderr, Name ": Internal bitmap already present on %s\n",
+ pr_err("Internal bitmap already present on %s\n",
devname);
return 1;
}
- if (strcmp(file, "none") == 0) {
- fprintf(stderr, Name ": no bitmap found on %s\n", devname);
+ if (strcmp(s->bitmap_file, "none") == 0) {
+ pr_err("no bitmap found on %s\n", devname);
return 1;
}
if (array.level <= 0) {
- fprintf(stderr, Name ": Bitmaps not meaningful with level %s\n",
+ pr_err("Bitmaps not meaningful with level %s\n",
map_num(pers, array.level)?:"of this array");
return 1;
}
bitmapsize = get_component_size(fd);
}
if (bitmapsize == 0) {
- fprintf(stderr, Name ": Cannot reliably determine size of array to create bitmap - sorry.\n");
+ pr_err("Cannot reliably determine size of array to create bitmap - sorry.\n");
return 1;
}
st = super_by_fd(fd, &subarray);
if (!st) {
- fprintf(stderr, Name ": Cannot understand version %d.%d\n",
+ pr_err("Cannot understand version %d.%d\n",
array.major_version, array.minor_version);
return 1;
}
if (subarray) {
- fprintf(stderr, Name ": Cannot add bitmaps to sub-arrays yet\n");
+ pr_err("Cannot add bitmaps to sub-arrays yet\n");
free(subarray);
free(st);
return 1;
}
- if (strcmp(file, "internal") == 0) {
+ if (strcmp(s->bitmap_file, "internal") == 0) {
int rv;
int d;
int offset_setable = 0;
struct mdinfo *mdi;
if (st->ss->add_internal_bitmap == NULL) {
- fprintf(stderr, Name ": Internal bitmaps not supported "
+ pr_err("Internal bitmaps not supported "
"with %s metadata\n", st->ss->name);
return 1;
}
if (st->ss->load_super(st, fd2, NULL)==0) {
if (st->ss->add_internal_bitmap(
st,
- &chunk, delay, write_behind,
+ &s->bitmap_chunk, c->delay, s->write_behind,
bitmapsize, offset_setable,
major)
)
st->ss->write_bitmap(st, fd2);
else {
- fprintf(stderr, Name ": failed "
- "to create internal bitmap - chunksize problem.\n");
+ pr_err("failed to create internal bitmap"
+ " - chunksize problem.\n");
close(fd2);
return 1;
}
if (offset_setable) {
st->ss->getinfo_super(st, mdi, NULL);
sysfs_init(mdi, fd, -1);
- rv = sysfs_set_num(mdi, NULL, "bitmap/location",
- mdi->bitmap_offset);
+ rv = sysfs_set_num_signed(mdi, NULL, "bitmap/location",
+ mdi->bitmap_offset);
} else {
array.state |= (1<<MD_SB_BITMAP_PRESENT);
rv = ioctl(fd, SET_ARRAY_INFO, &array);
}
if (rv < 0) {
if (errno == EBUSY)
- fprintf(stderr, Name
- ": Cannot add bitmap while array is"
- " resyncing or reshaping etc.\n");
- fprintf(stderr, Name ": failed to set internal bitmap.\n");
+ pr_err("Cannot add bitmap while array is"
+ " resyncing or reshaping etc.\n");
+ pr_err("failed to set internal bitmap.\n");
return 1;
}
} else {
int max_devs = st->max_devs;
/* try to load a superblock */
- for (d=0; d<max_devs; d++) {
+ for (d = 0; d < max_devs; d++) {
mdu_disk_info_t disk;
char *dv;
int fd2;
(disk.state & (1<<MD_DISK_REMOVED)))
continue;
dv = map_dev(disk.major, disk.minor, 1);
- if (!dv) continue;
+ if (!dv)
+ continue;
fd2 = dev_open(dv, O_RDONLY);
if (fd2 >= 0) {
if (st->ss->load_super(st, fd2, NULL) == 0) {
}
}
if (d == max_devs) {
- fprintf(stderr, Name ": cannot find UUID for array!\n");
+ pr_err("cannot find UUID for array!\n");
return 1;
}
- if (CreateBitmap(file, force, (char*)uuid, chunk,
- delay, write_behind, bitmapsize, major)) {
+ if (CreateBitmap(s->bitmap_file, c->force, (char*)uuid, s->bitmap_chunk,
+ c->delay, s->write_behind, bitmapsize, major)) {
return 1;
}
- bitmap_fd = open(file, O_RDWR);
+ bitmap_fd = open(s->bitmap_file, O_RDWR);
if (bitmap_fd < 0) {
- fprintf(stderr, Name ": weird: %s cannot be opened\n",
- file);
+ pr_err("weird: %s cannot be opened\n",
+ s->bitmap_file);
return 1;
}
if (ioctl(fd, SET_BITMAP_FILE, bitmap_fd) < 0) {
int err = errno;
if (errno == EBUSY)
- fprintf(stderr, Name
- ": Cannot add bitmap while array is"
- " resyncing or reshaping etc.\n");
- fprintf(stderr, Name ": Cannot set bitmap file for %s: %s\n",
+ pr_err("Cannot add bitmap while array is"
+ " resyncing or reshaping etc.\n");
+ pr_err("Cannot set bitmap file for %s: %s\n",
devname, strerror(err));
return 1;
}
{
int i;
int csum = 0;
- for (i=0; i<len; i++)
+ for (i = 0; i < len; i++)
csum = (csum<<3) + buf[0];
return __cpu_to_le32(csum);
}
fmt_devname(container, container_dev);
if (block_monitor(container, 1)) {
- fprintf(stderr, Name ": failed to freeze container\n");
+ pr_err("failed to freeze container\n");
return -2;
}
if (sra)
sysfs_set_str(sra, NULL, "sync_action", "idle");
- else
- fprintf(stderr, Name ": failed to unfreeze array\n");
sysfs_free(sra);
}
}
static int reshape_super(struct supertype *st, long long size, int level,
int layout, int chunksize, int raid_disks,
int delta_disks, char *backup_file, char *dev,
- int verbose)
+ int direction, int verbose)
{
/* nothing extra to check in the native case */
if (!st->ss->external)
return 0;
if (!st->ss->reshape_super ||
!st->ss->manage_reshape) {
- fprintf(stderr, Name ": %s metadata does not support reshape\n",
+ pr_err("%s metadata does not support reshape\n",
st->ss->name);
return 1;
}
return st->ss->reshape_super(st, size, level, layout, chunksize,
raid_disks, delta_disks, backup_file, dev,
- verbose);
+ direction, verbose);
}
static void sync_metadata(struct supertype *st)
= dev_open(dn, O_RDONLY);
offsets[sd->disk.raid_disk] = sd->data_offset*512;
if (fdlist[sd->disk.raid_disk] < 0) {
- fprintf(stderr,
- Name ": %s: cannot open component %s\n",
- devname, dn ? dn : "-unknown-");
+ pr_err("%s: cannot open component %s\n",
+ devname, dn ? dn : "-unknown-");
d = -1;
goto release;
}
fdlist[d] = dev_open(dn, O_RDWR);
offsets[d] = (sd->data_offset + sra->component_size - blocks - 8)*512;
if (fdlist[d] < 0) {
- fprintf(stderr, Name ": %s: cannot open component %s\n",
+ pr_err("%s: cannot open component %s\n",
devname, dn ? dn : "-unknown-");
d = -1;
goto release;
S_IRUSR | S_IWUSR);
*offsets = 8 * 512;
if (*fdlist < 0) {
- fprintf(stderr, Name ": %s: cannot create backup file %s: %s\n",
+ pr_err("%s: cannot create backup file %s: %s\n",
devname, backup_file, strerror(errno));
return 0;
}
dev = stb.st_dev;
fstat(fd, &stb);
if (stb.st_rdev == dev) {
- fprintf(stderr, Name ": backup file must NOT be"
+ pr_err("backup file must NOT be"
" on the array being reshaped.\n");
close(*fdlist);
return 0;
memset(buf, 0, 512);
for (i=0; i < blocks + 8 ; i++) {
if (write(*fdlist, buf, 512) != 512) {
- fprintf(stderr, Name ": %s: cannot create"
+ pr_err("%s: cannot create"
" backup file %s: %s\n",
devname, backup_file, strerror(errno));
return 0;
}
}
if (fsync(*fdlist) != 0) {
- fprintf(stderr, Name ": %s: cannot create backup file %s: %s\n",
+ pr_err("%s: cannot create backup file %s: %s\n",
devname, backup_file, strerror(errno));
return 0;
}
* raid5 with 2 disks, or
* raid0 with 1 disk
*/
+ if (info->new_level > 1 &&
+ (info->component_size & 7))
+ return "Cannot convert RAID1 of this size - "
+ "reduce size to multiple of 4K first.";
if (info->new_level == 0) {
if (info->delta_disks != UnSet &&
info->delta_disks != 0)
switch (re->level) {
case 4:
- re->after.layout = 0 ; break;
+ re->after.layout = 0;
+ break;
case 5:
- re->after.layout = ALGORITHM_PARITY_N; break;
+ re->after.layout = ALGORITHM_PARITY_N;
+ break;
}
break;
switch (re->level) {
case 4:
- re->after.layout = 0 ; break;
+ re->after.layout = 0;
+ break;
case 5:
- re->after.layout = ALGORITHM_PARITY_N; break;
+ re->after.layout = ALGORITHM_PARITY_N;
+ break;
}
break;
case 5:
- /* We get to RAID5 for RAID5 or RAID6 */
+ /* We get to RAID5 from RAID5 or RAID6 */
if (re->level != 5 && re->level != 6)
return "Cannot convert to RAID5 from this level";
char layout[40];
char *ls = map_num(r5layout, info->new_layout);
int l;
- strcat(strcpy(layout, ls), "-6");
- l = map_name(r6layout, layout);
- if (l == UnSet)
- return "Cannot find RAID6 layout"
- " to convert to";
+ if (ls) {
+ /* Current RAID6 layout has a RAID5
+ * equivalent - good
+ */
+ strcat(strcpy(layout, ls), "-6");
+ l = map_name(r6layout, layout);
+ if (l == UnSet)
+ return "Cannot find RAID6 layout"
+ " to convert to";
+ } else {
+ /* Current RAID6 has no equivalent.
+ * If it is already a '-6' layout we
+ * can leave it unchanged, else we must
+ * fail
+ */
+ ls = map_num(r6layout, info->new_layout);
+ if (!ls ||
+ strcmp(ls+strlen(ls)-2, "-6") != 0)
+ return "Please specify new layout";
+ l = info->new_layout;
+ }
re->after.layout = l;
}
}
+ info->delta_disks
- delta_parity);
switch (re->level) {
- case 6: re->parity = 2; break;
+ case 6: re->parity = 2;
+ break;
case 4:
- case 5: re->parity = 1; break;
- default: re->parity = 0; break;
+ case 5: re->parity = 1;
+ break;
+ default: re->parity = 0;
+ break;
}
/* So we have a restripe operation, we need to calculate the number
* of blocks per reshape operation.
return NULL;
}
+static int set_array_size(struct supertype *st, struct mdinfo *sra,
+ char *text_version)
+{
+ struct mdinfo *info;
+ char *subarray;
+ int ret_val = -1;
+
+ if ((st == NULL) || (sra == NULL))
+ return ret_val;
+
+ if (text_version == NULL)
+ text_version = sra->text_version;
+ subarray = strchr(text_version+1, '/')+1;
+ info = st->ss->container_content(st, subarray);
+ if (info) {
+ unsigned long long current_size = 0;
+ unsigned long long new_size =
+ info->custom_array_size/2;
+
+ if (sysfs_get_ll(sra, NULL, "array_size", ¤t_size) == 0 &&
+ new_size > current_size) {
+ if (sysfs_set_num(sra, NULL, "array_size", new_size)
+ < 0)
+ dprintf("Error: Cannot set array size");
+ else {
+ ret_val = 0;
+ dprintf("Array size changed");
+ }
+ dprintf(" from %llu to %llu.\n",
+ current_size, new_size);
+ }
+ sysfs_free(info);
+ } else
+ dprintf("Error: set_array_size(): info pointer in NULL\n");
+
+ return ret_val;
+}
+
static int reshape_array(char *container, int fd, char *devname,
struct supertype *st, struct mdinfo *info,
int force, struct mddev_dev *devlist,
- char *backup_file, int quiet, int forked,
+ char *backup_file, int verbose, int forked,
int restart, int freeze_reshape);
static int reshape_container(char *container, char *devname,
int mdfd,
struct mdinfo *info,
int force,
char *backup_file,
- int quiet, int restart, int freeze_reshape);
+ int verbose, int restart, int freeze_reshape);
-int Grow_reshape(char *devname, int fd, int quiet, char *backup_file,
- long long size,
- int level, char *layout_str, int chunksize, int raid_disks,
+int Grow_reshape(char *devname, int fd,
struct mddev_dev *devlist,
- int assume_clean, int force)
+ struct context *c, struct shape *s)
{
/* Make some changes in the shape of an array.
* The kernel must support the change.
struct mdinfo *sra;
if (ioctl(fd, GET_ARRAY_INFO, &array) < 0) {
- fprintf(stderr, Name ": %s is not an active md array - aborting\n",
+ pr_err("%s is not an active md array - aborting\n",
devname);
return 1;
}
- if (size >= 0 &&
- (chunksize || level!= UnSet || layout_str || raid_disks)) {
- fprintf(stderr, Name ": cannot change component size at the same time "
+ if (s->size > 0 &&
+ (s->chunk || s->level!= UnSet || s->layout_str || s->raiddisks)) {
+ pr_err("cannot change component size at the same time "
"as other changes.\n"
" Change size first, then check data is intact before "
"making other changes.\n");
return 1;
}
- if (raid_disks && raid_disks < array.raid_disks && array.level > 1 &&
+ if (s->raiddisks && s->raiddisks < array.raid_disks && array.level > 1 &&
get_linux_version() < 2006032 &&
!check_env("MDADM_FORCE_FEWER")) {
- fprintf(stderr, Name ": reducing the number of devices is not safe before Linux 2.6.32\n"
+ pr_err("reducing the number of devices is not safe before Linux 2.6.32\n"
" Please use a newer kernel\n");
return 1;
}
st = super_by_fd(fd, &subarray);
if (!st) {
- fprintf(stderr, Name ": Unable to determine metadata format for %s\n", devname);
+ pr_err("Unable to determine metadata format for %s\n", devname);
return 1;
}
- if (raid_disks > st->max_devs) {
- fprintf(stderr, Name ": Cannot increase raid-disks on this array"
+ if (s->raiddisks > st->max_devs) {
+ pr_err("Cannot increase raid-disks on this array"
" beyond %d\n", st->max_devs);
return 1;
}
fd = cfd;
}
if (cfd < 0) {
- fprintf(stderr, Name ": Unable to open container for %s\n",
+ pr_err("Unable to open container for %s\n",
devname);
free(subarray);
return 1;
rv = st->ss->load_container(st, cfd, NULL);
if (rv) {
- fprintf(stderr, Name ": Cannot read superblock for %s\n",
+ pr_err("Cannot read superblock for %s\n",
devname);
free(subarray);
return 1;
& (1<<MD_SB_BLOCK_CONTAINER_RESHAPE))
allow_reshape = 0;
if (!allow_reshape) {
- fprintf(stderr, Name
- " cannot reshape arrays in"
- " container with unsupported"
- " metadata: %s(%s)\n",
- devname, container_buf);
+ pr_err("cannot reshape arrays in"
+ " container with unsupported"
+ " metadata: %s(%s)\n",
+ devname, container_buf);
sysfs_free(cc);
free(subarray);
return 1;
added_disks = 0;
for (dv = devlist; dv; dv = dv->next)
added_disks++;
- if (raid_disks > array.raid_disks &&
- array.spare_disks +added_disks < (raid_disks - array.raid_disks) &&
- !force) {
- fprintf(stderr,
- Name ": Need %d spare%s to avoid degraded array,"
- " and only have %d.\n"
- " Use --force to over-ride this check.\n",
- raid_disks - array.raid_disks,
- raid_disks - array.raid_disks == 1 ? "" : "s",
- array.spare_disks + added_disks);
+ if (s->raiddisks > array.raid_disks &&
+ array.spare_disks +added_disks < (s->raiddisks - array.raid_disks) &&
+ !c->force) {
+ pr_err("Need %d spare%s to avoid degraded array,"
+ " and only have %d.\n"
+ " Use --force to over-ride this check.\n",
+ s->raiddisks - array.raid_disks,
+ s->raiddisks - array.raid_disks == 1 ? "" : "s",
+ array.spare_disks + added_disks);
return 1;
}
sra->array.level = LEVEL_CONTAINER;
}
} else {
- fprintf(stderr, Name ": failed to read sysfs parameters for %s\n",
+ pr_err("failed to read sysfs parameters for %s\n",
devname);
return 1;
}
sysfs_free(sra);
return 1;
} else if (frozen < 0) {
- fprintf(stderr, Name ": %s is performing resync/recovery and cannot"
+ pr_err("%s is performing resync/recovery and cannot"
" be reshaped\n", devname);
sysfs_free(sra);
return 1;
}
/* ========= set size =============== */
- if (size >= 0 && (size == 0 || size != array.size)) {
- long long orig_size = get_component_size(fd)/2;
- long long min_csize;
+ if (s->size > 0 && (s->size == MAX_DISKS || s->size != (unsigned)array.size)) {
+ unsigned long long orig_size = get_component_size(fd)/2;
+ unsigned long long min_csize;
struct mdinfo *mdi;
+ int raid0_takeover = 0;
if (orig_size == 0)
- orig_size = array.size;
+ orig_size = (unsigned) array.size;
- if (reshape_super(st, size, UnSet, UnSet, 0, 0, UnSet, NULL,
- devname, !quiet)) {
+ if (reshape_super(st, s->size, UnSet, UnSet, 0, 0, UnSet, NULL,
+ devname, APPLY_METADATA_CHANGES, c->verbose > 0)) {
rv = 1;
goto release;
}
sync_metadata(st);
+ if (st->ss->external) {
+ /* metadata can have size limitation
+ * update size value according to metadata information
+ */
+ struct mdinfo *sizeinfo =
+ st->ss->container_content(st, subarray);
+ if (sizeinfo) {
+ unsigned long long new_size =
+ sizeinfo->custom_array_size/2;
+ int data_disks = get_data_disks(
+ sizeinfo->array.level,
+ sizeinfo->array.layout,
+ sizeinfo->array.raid_disks);
+ new_size /= data_disks;
+ dprintf("Metadata size correction from %llu to "
+ "%llu (%llu)\n", orig_size, new_size,
+ new_size * data_disks);
+ s->size = new_size;
+ sysfs_free(sizeinfo);
+ }
+ }
/* Update the size of each member device in case
* they have been resized. This will never reduce
* understands '0' to mean 'max'.
*/
min_csize = 0;
+ rv = 0;
for (mdi = sra->devs; mdi; mdi = mdi->next) {
- if (sysfs_set_num(sra, mdi, "size", size) < 0)
+ if (sysfs_set_num(sra, mdi, "size",
+ s->size == MAX_SIZE ? 0 : s->size) < 0) {
+ /* Probably kernel refusing to let us
+ * reduce the size - not an error.
+ */
break;
+ }
if (array.not_persistent == 0 &&
array.major_version == 0 &&
get_linux_version() < 3001000) {
if (csize >= 2ULL*1024*1024*1024)
csize = 2ULL*1024*1024*1024;
if ((min_csize == 0 || (min_csize
- > (long long)csize)))
+ > csize)))
min_csize = csize;
}
}
}
- if (min_csize && size > min_csize) {
- fprintf(stderr, Name ": Cannot safely make this array "
+ if (rv) {
+ pr_err("Cannot set size on "
+ "array members.\n");
+ goto size_change_error;
+ }
+ if (min_csize && s->size > min_csize) {
+ pr_err("Cannot safely make this array "
"use more than 2TB per device on this kernel.\n");
rv = 1;
- goto release;
+ goto size_change_error;
}
- if (min_csize && size == 0) {
+ if (min_csize && s->size == MAX_SIZE) {
/* Don't let the kernel choose a size - it will get
* it wrong
*/
- fprintf(stderr, Name ": Limited v0.90 array to "
- "2TB per device\n");
- size = min_csize;
+ pr_err("Limited v0.90 array to "
+ "2TB per device\n");
+ s->size = min_csize;
+ }
+ if (st->ss->external) {
+ if (sra->array.level == 0) {
+ rv = sysfs_set_str(sra, NULL, "level",
+ "raid5");
+ if (!rv) {
+ raid0_takeover = 1;
+ /* get array parametes after takeover
+ * to chane one parameter at time only
+ */
+ rv = ioctl(fd, GET_ARRAY_INFO, &array);
+ }
+ }
+ /* make sure mdmon is
+ * aware of the new level */
+ if (!mdmon_running(st->container_dev))
+ start_mdmon(st->container_dev);
+ ping_monitor(container);
+ if (mdmon_running(st->container_dev) &&
+ st->update_tail == NULL)
+ st->update_tail = &st->updates;
}
- array.size = size;
- if (array.size != size) {
+ if (s->size == MAX_SIZE)
+ s->size = 0;
+ array.size = s->size;
+ if ((unsigned)array.size != s->size) {
/* got truncated to 32bit, write to
* component_size instead
*/
if (sra)
rv = sysfs_set_num(sra, NULL,
- "component_size", size);
+ "component_size", s->size);
else
rv = -1;
- } else
+ } else {
rv = ioctl(fd, SET_ARRAY_INFO, &array);
+
+ /* manage array size when it is managed externally
+ */
+ if ((rv == 0) && st->ss->external)
+ rv = set_array_size(st, sra, sra->text_version);
+ }
+
+ if (raid0_takeover) {
+ /* do not recync non-existing parity,
+ * we will drop it anyway
+ */
+ sysfs_set_str(sra, NULL, "sync_action", "frozen");
+ /* go back to raid0, drop parity disk
+ */
+ sysfs_set_str(sra, NULL, "level", "raid0");
+ ioctl(fd, GET_ARRAY_INFO, &array);
+ }
+
+size_change_error:
if (rv != 0) {
int err = errno;
/* restore metadata */
if (reshape_super(st, orig_size, UnSet, UnSet, 0, 0,
- UnSet, NULL, devname, !quiet) == 0)
+ UnSet, NULL, devname,
+ ROLLBACK_METADATA_CHANGES,
+ c->verbose) == 0)
sync_metadata(st);
- fprintf(stderr, Name ": Cannot set device size for %s: %s\n",
+ pr_err("Cannot set device size for %s: %s\n",
devname, strerror(err));
if (err == EBUSY &&
(array.state & (1<<MD_SB_BITMAP_PRESENT)))
- fprintf(stderr, " Bitmap must be removed before size can be changed\n");
+ cont_err("Bitmap must be removed before size can be changed\n");
rv = 1;
goto release;
}
- if (assume_clean) {
+ if (s->assume_clean) {
/* This will fail on kernels newer than 3.0 unless
* a backport has been arranged.
*/
if (sra == NULL ||
sysfs_set_str(sra, NULL, "resync_start", "none") < 0)
- fprintf(stderr, Name ": --assume-clean not support with --grow on this kernel\n");
+ pr_err("--assume-clean not support with --grow on this kernel\n");
}
ioctl(fd, GET_ARRAY_INFO, &array);
- size = get_component_size(fd)/2;
- if (size == 0)
- size = array.size;
- if (!quiet) {
- if (size == orig_size)
- fprintf(stderr, Name ": component size of %s "
+ s->size = get_component_size(fd)/2;
+ if (s->size == 0)
+ s->size = array.size;
+ if (c->verbose >= 0) {
+ if (s->size == orig_size)
+ pr_err("component size of %s "
"unchanged at %lluK\n",
- devname, size);
+ devname, s->size);
else
- fprintf(stderr, Name ": component size of %s "
+ pr_err("component size of %s "
"has been set to %lluK\n",
- devname, size);
+ devname, s->size);
}
changed = 1;
} else if (array.level != LEVEL_CONTAINER) {
- size = get_component_size(fd)/2;
- if (size == 0)
- size = array.size;
+ s->size = get_component_size(fd)/2;
+ if (s->size == 0)
+ s->size = array.size;
}
/* See if there is anything else to do */
- if ((level == UnSet || level == array.level) &&
- (layout_str == NULL) &&
- (chunksize == 0 || chunksize == array.chunk_size) &&
- (raid_disks == 0 || raid_disks == array.raid_disks)) {
+ if ((s->level == UnSet || s->level == array.level) &&
+ (s->layout_str == NULL) &&
+ (s->chunk == 0 || s->chunk == array.chunk_size) &&
+ (s->raiddisks == 0 || s->raiddisks == array.raid_disks)) {
/* Nothing more to do */
- if (!changed && !quiet)
- fprintf(stderr, Name ": %s: no change requested\n",
+ if (!changed && c->verbose >= 0)
+ pr_err("%s: no change requested\n",
devname);
goto release;
}
* - far_copies == 1
* - near_copies == 2
*/
- if ((level == 0 && array.level == 10 && sra &&
+ if ((s->level == 0 && array.level == 10 && sra &&
array.layout == ((1 << 8) + 2) && !(array.raid_disks & 1)) ||
- (level == 0 && array.level == 1 && sra)) {
+ (s->level == 0 && array.level == 1 && sra)) {
int err;
err = remove_disks_for_takeover(st, sra, array.layout);
if (err) {
info.array = array;
sysfs_init(&info, fd, NoMdDev);
strcpy(info.text_version, sra->text_version);
- info.component_size = size*2;
- info.new_level = level;
- info.new_chunk = chunksize * 1024;
+ info.component_size = s->size*2;
+ info.new_level = s->level;
+ info.new_chunk = s->chunk * 1024;
if (info.array.level == LEVEL_CONTAINER) {
info.delta_disks = UnSet;
- info.array.raid_disks = raid_disks;
- } else if (raid_disks)
- info.delta_disks = raid_disks - info.array.raid_disks;
+ info.array.raid_disks = s->raiddisks;
+ } else if (s->raiddisks)
+ info.delta_disks = s->raiddisks - info.array.raid_disks;
else
info.delta_disks = UnSet;
- if (layout_str == NULL) {
+ if (s->layout_str == NULL) {
info.new_layout = UnSet;
if (info.array.level == 6 &&
(info.new_level == 6 || info.new_level == UnSet) &&
info.array.layout >= 16) {
- fprintf(stderr, Name
- ": %s has a non-standard layout. If you"
- " wish to preserve this\n"
- " during the reshape, please specify"
- " --layout=preserve\n"
- " If you want to change it, specify a"
- " layout or use --layout=normalise\n",
- devname);
+ pr_err("%s has a non-standard layout. If you"
+ " wish to preserve this\n", devname);
+ cont_err("during the reshape, please specify"
+ " --layout=preserve\n");
+ cont_err("If you want to change it, specify a"
+ " layout or use --layout=normalise\n");
rv = 1;
goto release;
}
- } else if (strcmp(layout_str, "normalise") == 0 ||
- strcmp(layout_str, "normalize") == 0) {
+ } else if (strcmp(s->layout_str, "normalise") == 0 ||
+ strcmp(s->layout_str, "normalize") == 0) {
/* If we have a -6 RAID6 layout, remove the '-6'. */
info.new_layout = UnSet;
if (info.array.level == 6 && info.new_level == UnSet) {
*h = 0;
info.new_layout = map_name(r6layout, l);
}
+ } else {
+ pr_err("%s is only meaningful when reshaping"
+ " a RAID6 array.\n", s->layout_str);
+ rv = 1;
+ goto release;
+ }
+ } else if (strcmp(s->layout_str, "preserve") == 0) {
+ /* This means that a non-standard RAID6 layout
+ * is OK.
+ * In particular:
+ * - When reshape a RAID6 (e.g. adding a device)
+ * which is in a non-standard layout, it is OK
+ * to preserve that layout.
+ * - When converting a RAID5 to RAID6, leave it in
+ * the XXX-6 layout, don't re-layout.
+ */
+ if (info.array.level == 6 && info.new_level == UnSet)
+ info.new_layout = info.array.layout;
+ else if (info.array.level == 5 && info.new_level == 6) {
+ char l[40];
+ strcpy(l, map_num(r5layout, info.array.layout));
+ strcat(l, "-6");
+ info.new_layout = map_name(r6layout, l);
+ } else {
+ pr_err("%s in only meaningful when reshaping"
+ " to RAID6\n", s->layout_str);
+ rv = 1;
+ goto release;
}
- } else if (strcmp(layout_str, "preserve") == 0) {
- info.new_layout = UnSet;
} else {
int l = info.new_level;
if (l == UnSet)
l = info.array.level;
switch (l) {
case 5:
- info.new_layout = map_name(r5layout, layout_str);
+ info.new_layout = map_name(r5layout, s->layout_str);
break;
case 6:
- info.new_layout = map_name(r6layout, layout_str);
+ info.new_layout = map_name(r6layout, s->layout_str);
break;
case 10:
- info.new_layout = parse_layout_10(layout_str);
+ info.new_layout = parse_layout_10(s->layout_str);
break;
case LEVEL_FAULTY:
- info.new_layout = parse_layout_faulty(layout_str);
+ info.new_layout = parse_layout_faulty(s->layout_str);
break;
default:
- fprintf(stderr, Name ": layout not meaningful"
+ pr_err("layout not meaningful"
" with this level\n");
rv = 1;
goto release;
}
if (info.new_layout == UnSet) {
- fprintf(stderr, Name ": layout %s not understood"
+ pr_err("layout %s not understood"
" for this level\n",
- layout_str);
+ s->layout_str);
rv = 1;
goto release;
}
}
if (array.level == LEVEL_FAULTY) {
- if (level != UnSet && level != array.level) {
- fprintf(stderr, Name ": cannot change level of Faulty device\n");
+ if (s->level != UnSet && s->level != array.level) {
+ pr_err("cannot change level of Faulty device\n");
rv =1 ;
}
- if (chunksize) {
- fprintf(stderr, Name ": cannot set chunksize of Faulty device\n");
+ if (s->chunk) {
+ pr_err("cannot set chunksize of Faulty device\n");
rv =1 ;
}
- if (raid_disks && raid_disks != 1) {
- fprintf(stderr, Name ": cannot set raid_disks of Faulty device\n");
+ if (s->raiddisks && s->raiddisks != 1) {
+ pr_err("cannot set raid_disks of Faulty device\n");
rv =1 ;
}
- if (layout_str) {
+ if (s->layout_str) {
if (ioctl(fd, GET_ARRAY_INFO, &array) != 0) {
dprintf("Cannot get array information.\n");
goto release;
}
array.layout = info.new_layout;
if (ioctl(fd, SET_ARRAY_INFO, &array) != 0) {
- fprintf(stderr, Name ": failed to set new layout\n");
+ pr_err("failed to set new layout\n");
rv = 1;
- } else if (!quiet)
+ } else if (c->verbose >= 0)
printf("layout for %s set to %d\n",
devname, array.layout);
}
* performed at the level of the container
*/
rv = reshape_container(container, devname, -1, st, &info,
- force, backup_file, quiet, 0, 0);
+ c->force, c->backup_file, c->verbose, 0, 0);
frozen = 0;
} else {
/* get spare devices from external metadata
/* Impose these changes on a single array. First
* check that the metadata is OK with the change. */
- if (reshape_super(st, info.component_size, info.new_level,
+ if (reshape_super(st, -1, info.new_level,
info.new_layout, info.new_chunk,
info.array.raid_disks, info.delta_disks,
- backup_file, devname, quiet)) {
+ c->backup_file, devname, APPLY_METADATA_CHANGES,
+ c->verbose)) {
rv = 1;
goto release;
}
sync_metadata(st);
- rv = reshape_array(container, fd, devname, st, &info, force,
- devlist, backup_file, quiet, 0, 0, 0);
+ rv = reshape_array(container, fd, devname, st, &info, c->force,
+ devlist, c->backup_file, c->verbose, 0, 0, 0);
frozen = 0;
}
release:
{
int ret_val = 0;
char buf[40];
+ int rv;
/* read sync_max, failure can mean raid0 array */
- if (sysfs_get_str(info, NULL, "sync_max", buf, 40) > 0) {
+ rv = sysfs_get_str(info, NULL, "sync_max", buf, 40);
+
+ if (rv > 0) {
char *ep;
unsigned long long position = strtoull(buf, &ep, 0);
info->reshape_progress = position;
ret_val = 1;
} else if (info->reshape_progress > position) {
- fprintf(stderr, Name ": Fatal error: array "
- "reshape was not properly frozen "
- "(expected reshape position is %llu, "
- "but reshape progress is %llu.\n",
- position, info->reshape_progress);
+ pr_err("Fatal error: array "
+ "reshape was not properly frozen "
+ "(expected reshape position is %llu, "
+ "but reshape progress is %llu.\n",
+ position, info->reshape_progress);
ret_val = -1;
} else {
dprintf("Reshape position in md and metadata "
ret_val = 1;
}
}
+ } else if (rv == 0) {
+ /* for valid sysfs entry, 0-length content
+ * should be indicated as error
+ */
+ ret_val = -1;
}
return ret_val;
static int reshape_array(char *container, int fd, char *devname,
struct supertype *st, struct mdinfo *info,
int force, struct mddev_dev *devlist,
- char *backup_file, int quiet, int forked,
+ char *backup_file, int verbose, int forked,
int restart, int freeze_reshape)
{
struct reshape reshape;
} else
msg = analyse_change(info, &reshape);
if (msg) {
- fprintf(stderr, Name ": %s\n", msg);
+ pr_err("%s\n", msg);
goto release;
}
if (restart &&
reshape.before.layout != info->array.layout ||
reshape.before.data_disks + reshape.parity
!= info->array.raid_disks - max(0, info->delta_disks))) {
- fprintf(stderr, Name ": reshape info is not in native format -"
+ pr_err("reshape info is not in native format -"
" cannot continue.\n");
goto release;
}
if (!force &&
info->new_level > 1 && info->array.level > 1 &&
spares_needed > info->array.spare_disks + added_disks) {
- fprintf(stderr,
- Name ": Need %d spare%s to avoid degraded array,"
- " and only have %d.\n"
- " Use --force to over-ride this check.\n",
- spares_needed,
- spares_needed == 1 ? "" : "s",
- info->array.spare_disks + added_disks);
+ pr_err("Need %d spare%s to avoid degraded array,"
+ " and only have %d.\n"
+ " Use --force to over-ride this check.\n",
+ spares_needed,
+ spares_needed == 1 ? "" : "s",
+ info->array.spare_disks + added_disks);
goto release;
}
/* Check we have enough spares to not fail */
- array.raid_disks;
if ((info->new_level > 1 || info->new_level == 0) &&
spares_needed > info->array.spare_disks +added_disks) {
- fprintf(stderr,
- Name ": Need %d spare%s to create working array,"
- " and only have %d.\n",
- spares_needed,
- spares_needed == 1 ? "" : "s",
- info->array.spare_disks + added_disks);
+ pr_err("Need %d spare%s to create working array,"
+ " and only have %d.\n",
+ spares_needed,
+ spares_needed == 1 ? "" : "s",
+ info->array.spare_disks + added_disks);
goto release;
}
err = sysfs_set_str(info, NULL, "level", c);
if (err) {
err = errno;
- fprintf(stderr, Name ": %s: could not set level to %s\n",
+ pr_err("%s: could not set level to %s\n",
devname, c);
if (err == EBUSY &&
(info->array.state & (1<<MD_SB_BITMAP_PRESENT)))
- fprintf(stderr, " Bitmap must be removed"
- " before level can be changed\n");
+ cont_err("Bitmap must be removed"
+ " before level can be changed\n");
goto release;
}
- if (!quiet)
- fprintf(stderr, Name ": level of %s changed to %s\n",
+ if (verbose >= 0)
+ pr_err("level of %s changed to %s\n",
devname, c);
orig_level = array.level;
sysfs_freeze_array(info);
* level and frozen, we can safely add them.
*/
if (devlist)
- Manage_subdevs(devname, fd, devlist, !quiet,
+ Manage_subdevs(devname, fd, devlist, verbose,
0,NULL, 0);
if (reshape.backup_blocks == 0) {
info->new_layout != array.layout) {
array.layout = info->new_layout;
if (ioctl(fd, SET_ARRAY_INFO, &array) != 0) {
- fprintf(stderr, Name ": failed to set new layout\n");
+ pr_err("failed to set new layout\n");
goto release;
- } else if (!quiet)
+ } else if (verbose >= 0)
printf("layout for %s set to %d\n",
devname, array.layout);
}
array.raid_disks != (info->array.raid_disks + info->delta_disks)) {
array.raid_disks += info->delta_disks;
if (ioctl(fd, SET_ARRAY_INFO, &array) != 0) {
- fprintf(stderr, Name ": failed to set raid disks\n");
+ pr_err("failed to set raid disks\n");
goto release;
- } else if (!quiet) {
+ } else if (verbose >= 0) {
printf("raid_disks for %s set to %d\n",
devname, array.raid_disks);
}
info->new_chunk != array.chunk_size) {
if (sysfs_set_num(info, NULL,
"chunk_size", info->new_chunk) != 0) {
- fprintf(stderr, Name ": failed to set chunk size\n");
+ pr_err("failed to set chunk size\n");
goto release;
- } else if (!quiet)
+ } else if (verbose >= 0)
printf("chunk size for %s set to %d\n",
devname, array.chunk_size);
}
/* Check that we can hold all the data */
get_dev_size(fd, NULL, &array_size);
if (reshape.new_size < (array_size/512)) {
- fprintf(stderr,
- Name ": this change will reduce the size of the array.\n"
- " use --grow --array-size first to truncate array.\n"
- " e.g. mdadm --grow %s --array-size %llu\n",
- devname, reshape.new_size/2);
+ pr_err("this change will reduce the size of the array.\n"
+ " use --grow --array-size first to truncate array.\n"
+ " e.g. mdadm --grow %s --array-size %llu\n",
+ devname, reshape.new_size/2);
goto release;
}
GET_COMPONENT|GET_DEVS|GET_OFFSET|GET_STATE|GET_CHUNK|
GET_CACHE);
if (!sra) {
- fprintf(stderr, Name ": %s: Cannot get array details from sysfs\n",
+ pr_err("%s: Cannot get array details from sysfs\n",
devname);
goto release;
}
blocks < 16*1024*2)
blocks *= 2;
} else
- fprintf(stderr, Name ": Need to backup %luK of critical "
+ pr_err("Need to backup %luK of critical "
"section..\n", blocks/2);
if (blocks >= sra->component_size/2) {
- fprintf(stderr, Name ": %s: Something wrong"
+ pr_err("%s: Something wrong"
" - reshape aborted\n",
devname);
goto release;
nrdisks = max(reshape.before.data_disks,
reshape.after.data_disks) + reshape.parity
+ sra->array.spare_disks;
- fdlist = malloc((1+nrdisks) * sizeof(int));
- offsets = malloc((1+nrdisks) * sizeof(offsets[0]));
- if (!fdlist || !offsets) {
- fprintf(stderr, Name ": malloc failed: grow aborted\n");
- goto release;
- }
+ fdlist = xcalloc((1+nrdisks), sizeof(int));
+ offsets = xcalloc((1+nrdisks), sizeof(offsets[0]));
odisks = reshape.before.data_disks + reshape.parity;
d = reshape_prepare_fdlist(devname, sra, odisks,
if (backup_file == NULL) {
if (reshape.after.data_disks <=
reshape.before.data_disks) {
- fprintf(stderr, Name ": %s: Cannot grow - "
+ pr_err("%s: Cannot grow - "
"need backup-file\n", devname);
goto release;
} else if (sra->array.spare_disks == 0) {
- fprintf(stderr, Name ": %s: Cannot grow - "
+ pr_err("%s: Cannot grow - "
"need a spare or backup-file to backup "
"critical section\n", devname);
goto release;
ioctl(fd, SET_ARRAY_INFO, &array) != 0) {
int err = errno;
- fprintf(stderr,
- Name ": Cannot set device shape for %s: %s\n",
- devname, strerror(errno));
+ pr_err("Cannot set device shape for %s: %s\n",
+ devname, strerror(errno));
if (err == EBUSY &&
(array.state & (1<<MD_SB_BITMAP_PRESENT)))
- fprintf(stderr,
- " Bitmap must be removed before"
- " shape can be changed\n");
+ cont_err("Bitmap must be removed before"
+ " shape can be changed\n");
goto release;
}
reshape.parity) < 0)
err = errno;
if (err) {
- fprintf(stderr, Name ": Cannot set device shape for %s\n",
+ pr_err("Cannot set device shape for %s\n",
devname);
if (err == EBUSY &&
(array.state & (1<<MD_SB_BITMAP_PRESENT)))
- fprintf(stderr,
- " Bitmap must be removed before"
- " shape can be changed\n");
+ cont_err("Bitmap must be removed before"
+ " shape can be changed\n");
goto release;
}
}
err = start_reshape(sra, restart, reshape.before.data_disks,
reshape.after.data_disks);
if (err) {
- fprintf(stderr,
- Name ": Cannot %s reshape for %s\n",
- restart ? "continue" : "start",
- devname);
+ pr_err("Cannot %s reshape for %s\n",
+ restart ? "continue" : "start",
+ devname);
goto release;
}
if (restart)
free(fdlist);
free(offsets);
sysfs_free(sra);
- fprintf(stderr, Name ": Reshape has to be continued from"
+ pr_err("Reshape has to be continued from"
" location %llu when root filesystem has been mounted.\n",
sra->reshape_progress);
return 1;
*/
switch(forked ? 0 : fork()) {
case -1:
- fprintf(stderr, Name ": Cannot run child to monitor reshape: %s\n",
+ pr_err("Cannot run child to monitor reshape: %s\n",
strerror(errno));
abort_reshape(sra);
goto release;
*/
if (reshape.before.data_disks !=
reshape.after.data_disks &&
- info->custom_array_size) {
- struct mdinfo *info2;
- char *subarray = strchr(info->text_version+1, '/')+1;
-
- info2 = st->ss->container_content(st, subarray);
- if (info2) {
- unsigned long long current_size = 0;
- unsigned long long new_size =
- info2->custom_array_size/2;
-
- if (sysfs_get_ll(sra,
- NULL,
- "array_size",
- ¤t_size) == 0 &&
- new_size > current_size) {
- if (sysfs_set_num(sra, NULL,
- "array_size", new_size)
- < 0)
- dprintf("Error: Cannot"
- " set array size");
- else
- dprintf("Array size "
- "changed");
- dprintf(" from %llu to %llu.\n",
- current_size, new_size);
- }
- sysfs_free(info2);
- }
- }
+ info->custom_array_size)
+ set_array_size(st, info, info->text_version);
if (info->new_level != reshape.level) {
if (c) {
err = sysfs_set_str(sra, NULL, "level", c);
if (err)
- fprintf(stderr, Name\
- ": %s: could not set level "
- "to %s\n", devname, c);
+ pr_err("%s: could not set level "
+ "to %s\n", devname, c);
}
if (info->new_level == 0)
st->update_tail = NULL;
if (orig_level != UnSet && sra) {
c = map_num(pers, orig_level);
if (c && sysfs_set_str(sra, NULL, "level", c) == 0)
- fprintf(stderr, Name ": aborting level change\n");
+ pr_err("aborting level change\n");
}
sysfs_free(sra);
if (!forked)
struct mdinfo *info,
int force,
char *backup_file,
- int quiet, int restart, int freeze_reshape)
+ int verbose, int restart, int freeze_reshape)
{
struct mdinfo *cc = NULL;
int rv = restart;
reshape_super(st, -1, info->new_level,
info->new_layout, info->new_chunk,
info->array.raid_disks, info->delta_disks,
- backup_file, devname, quiet)) {
+ backup_file, devname, APPLY_METADATA_CHANGES,
+ verbose)) {
unfreeze(st);
return 1;
}
devname2devnum(container));
if (!mdstat)
continue;
+ if (mdstat->active == 0) {
+ pr_err("Skipping inactive "
+ "array md%i.\n", mdstat->devnum);
+ free_mdstat(mdstat);
+ mdstat = NULL;
+ continue;
+ }
break;
}
if (!content)
rv = reshape_array(container, fd, adev, st,
content, force, NULL,
- backup_file, quiet, 1, restart,
+ backup_file, verbose, 1, restart,
freeze_reshape);
close(fd);
free(abuf);
free(bbuf);
abuflen = len;
- abuf = malloc(abuflen);
- bbuf = malloc(abuflen);
+ abuf = xmalloc(abuflen);
+ bbuf = xmalloc(abuflen);
}
lseek64(bfd, offset+__le64_to_cpu(bsb2.devstart2)*512, 0);
break;
}
if (!sd) {
- fprintf(stderr, Name ": Cannot find a superblock\n");
+ pr_err("Cannot find a superblock\n");
return 0;
}
if (i == old_disks-1) {
fd = open(backup_file, O_RDONLY);
if (fd<0) {
- fprintf(stderr, Name ": backup file %s inaccessible: %s\n",
+ pr_err("backup file %s inaccessible: %s\n",
backup_file, strerror(errno));
continue;
}
if (lseek64(fd,
(dinfo.data_offset + dinfo.component_size - 8) <<9,
0) < 0) {
- fprintf(stderr, Name ": Cannot seek on device %d\n", i);
+ pr_err("Cannot seek on device %d\n", i);
continue; /* Cannot seek */
}
sprintf(namebuf, "device-%d", i);
}
if (read(fd, &bsb, sizeof(bsb)) != sizeof(bsb)) {
if (verbose)
- fprintf(stderr, Name ": Cannot read from %s\n", devname);
+ pr_err("Cannot read from %s\n", devname);
continue; /* Cannot read */
}
if (memcmp(bsb.magic, "md_backup_data-1", 16) != 0 &&
memcmp(bsb.magic, "md_backup_data-2", 16) != 0) {
if (verbose)
- fprintf(stderr, Name ": No backup metadata on %s\n", devname);
+ pr_err("No backup metadata on %s\n", devname);
continue;
}
if (bsb.sb_csum != bsb_csum((char*)&bsb, ((char*)&bsb.sb_csum)-((char*)&bsb))) {
if (verbose)
- fprintf(stderr, Name ": Bad backup-metadata checksum on %s\n", devname);
+ pr_err("Bad backup-metadata checksum on %s\n", devname);
continue; /* bad checksum */
}
if (memcmp(bsb.magic, "md_backup_data-2", 16) == 0 &&
bsb.sb_csum2 != bsb_csum((char*)&bsb, ((char*)&bsb.sb_csum2)-((char*)&bsb))) {
if (verbose)
- fprintf(stderr, Name ": Bad backup-metadata checksum2 on %s\n", devname);
+ pr_err("Bad backup-metadata checksum2 on %s\n", devname);
continue; /* Bad second checksum */
}
if (memcmp(bsb.set_uuid,info->uuid, 16) != 0) {
if (verbose)
- fprintf(stderr, Name ": Wrong uuid on backup-metadata on %s\n", devname);
+ pr_err("Wrong uuid on backup-metadata on %s\n", devname);
continue; /* Wrong uuid */
}
if (info->array.utime > (int)__le64_to_cpu(bsb.mtime) + 2*60*60 ||
info->array.utime < (int)__le64_to_cpu(bsb.mtime) - 10*60) {
if (check_env("MDADM_GROW_ALLOW_OLD")) {
- fprintf(stderr, Name ": accepting backup with timestamp %lu "
+ pr_err("accepting backup with timestamp %lu "
"for array with timestamp %lu\n",
(unsigned long)__le64_to_cpu(bsb.mtime),
(unsigned long)info->array.utime);
} else {
if (verbose)
- fprintf(stderr, Name ": too-old timestamp on "
+ pr_err("too-old timestamp on "
"backup-metadata on %s\n", devname);
continue; /* time stamp is too bad */
}
< info->reshape_progress) {
nonew:
if (verbose)
- fprintf(stderr, Name
- ": backup-metadata found on %s but is not needed\n", devname);
+ pr_err("backup-metadata found on %s but is not needed\n", devname);
continue; /* No new data here */
}
} else {
if (lseek64(fd, __le64_to_cpu(bsb.devstart)*512, 0)< 0) {
second_fail:
if (verbose)
- fprintf(stderr, Name
- ": Failed to verify secondary backup-metadata block on %s\n",
- devname);
+ pr_err("Failed to verify secondary backup-metadata block on %s\n",
+ devname);
continue; /* Cannot seek */
}
/* There should be a duplicate backup superblock 4k before here */
goto second_fail; /* Cannot find leading superblock */
/* Now need the data offsets for all devices. */
- offsets = malloc(sizeof(*offsets)*info->array.raid_disks);
+ offsets = xmalloc(sizeof(*offsets)*info->array.raid_disks);
for(j=0; j<info->array.raid_disks; j++) {
if (fdlist[j] < 0)
continue;
__le64_to_cpu(bsb.length)*512, NULL)) {
/* didn't succeed, so giveup */
if (verbose)
- fprintf(stderr, Name ": Error restoring backup from %s\n",
+ pr_err("Error restoring backup from %s\n",
devname);
free(offsets);
return 1;
__le64_to_cpu(bsb.length2)*512, NULL)) {
/* didn't succeed, so giveup */
if (verbose)
- fprintf(stderr, Name ": Error restoring second backup from %s\n",
+ pr_err("Error restoring second backup from %s\n",
devname);
free(offsets);
return 1;
}
}
for (j=0; j<info->array.raid_disks; j++) {
- if (fdlist[j] < 0) continue;
+ if (fdlist[j] < 0)
+ continue;
if (st->ss->load_super(st, fdlist[j], NULL))
continue;
st->ss->getinfo_super(st, &dinfo, NULL);
}
/* needed to recover critical section! */
if (verbose)
- fprintf(stderr, Name ": Failed to find backup of critical section\n");
+ pr_err("Failed to find backup of critical section\n");
return 1;
}
st = super_by_fd(fd, &subarray);
if (!st || !st->ss) {
- fprintf(stderr,
- Name ": Unable to determine metadata format for %s\n",
- devname);
+ pr_err("Unable to determine metadata format for %s\n",
+ devname);
return 1;
}
dprintf("Grow continue is run for ");
if (st->ss->external == 0) {
dprintf("native array (%s)\n", devname);
if (ioctl(fd, GET_ARRAY_INFO, &array) < 0) {
- fprintf(stderr, Name ": %s is not an active md array -"
+ pr_err("%s is not an active md array -"
" aborting\n", devname);
ret_val = 1;
goto Grow_continue_command_exit;
fd = cfd;
}
if (cfd < 0) {
- fprintf(stderr, Name ": Unable to open container "
+ pr_err("Unable to open container "
"for %s\n", devname);
ret_val = 1;
goto Grow_continue_command_exit;
*/
ret_val = st->ss->load_container(st, cfd, NULL);
if (ret_val) {
- fprintf(stderr,
- Name ": Cannot read superblock for %s\n",
- devname);
+ pr_err("Cannot read superblock for %s\n",
+ devname);
ret_val = 1;
goto Grow_continue_command_exit;
}
allow_reshape = 0;
if (!allow_reshape) {
- fprintf(stderr, Name
- ": cannot continue reshape of an array"
- " in container with unsupported"
- " metadata: %s(%s)\n",
- devname, buf);
+ pr_err("cannot continue reshape of an array"
+ " in container with unsupported"
+ " metadata: %s(%s)\n",
+ devname, buf);
ret_val = 1;
goto Grow_continue_command_exit;
}
mdstat = mdstat_by_subdev(array, container_dev);
if (!mdstat)
continue;
+ if (mdstat->active == 0) {
+ pr_err("Skipping inactive "
+ "array md%i.\n", mdstat->devnum);
+ free_mdstat(mdstat);
+ mdstat = NULL;
+ continue;
+ }
break;
}
if (!content) {
- fprintf(stderr,
- Name ": Unable to determine reshaped "
- "array for %s\n", devname);
+ pr_err("Unable to determine reshaped "
+ "array for %s\n", devname);
ret_val = 1;
goto Grow_continue_command_exit;
}
fd2 = open_dev(mdstat->devnum);
if (fd2 < 0) {
- fprintf(stderr, Name ": cannot open (md%i)\n",
+ pr_err("cannot open (md%i)\n",
mdstat->devnum);
ret_val = 1;
goto Grow_continue_command_exit;
if (mdmon_running(container_dev))
st->update_tail = &st->updates;
else {
- fprintf(stderr, Name ": No mdmon found. "
+ pr_err("No mdmon found. "
"Grow cannot continue.\n");
ret_val = 1;
goto Grow_continue_command_exit;
* correct position
*/
if (verify_reshape_position(content,
- map_name(pers, mdstat->level)) <= 0) {
+ map_name(pers, mdstat->level)) < 0) {
ret_val = 1;
goto Grow_continue_command_exit;
}
projects / thirdparty / mdadm.git / blobdiff