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First cut on "pvcreate -s"

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This commit is contained in:
Heinz Mauelshagen 2002-02-15 01:26:16 +00:00
parent e56598a84d
commit f48d3bcbd0
9 changed files with 36 additions and 10 deletions
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1
lib/format1/disk-rep.h
View File

@ -18,6 +18,7 @@
#define MAX_LV 256
#define MAX_VG 99
#define MAX_PV_SIZE ((uint32_t) -1) /* 2TB in sectors - 1 */
#define MIN_PE_SIZE (8192L / SECTOR_SIZE) /* 8 KB in sectors */
#define MAX_PE_SIZE (16L * 1024L * 1024L / SECTOR_SIZE * 1024)
#define PE_SIZE_PV_SIZE_REL 5 /* PV size must be at least 5 times PE size */

6
lib/format1/format1.c
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@ -394,6 +394,12 @@ static struct list *_get_vgs(struct format_instance *fi)
static int _pv_setup(struct format_instance *fi, struct physical_volume *pv,
struct volume_group *vg)
{
if (pv->size == MAX_PV_SIZE) pv->size--;
if (pv->size > MAX_PV_SIZE) {
log_error("physical volumes cannot be bigger than 2TB");
return 0;
}
/*
* This works out pe_start and pe_count.
*/

6
lib/metadata/lv_manip.c
View File

@ -426,7 +426,7 @@ struct logical_volume *lv_create(struct format_instance *fi,
lv->status = status;
lv->read_ahead = 0;
lv->minor = -1;
lv->size = extents * vg->extent_size;
lv->size = (uint64_t) extents * vg->extent_size;
lv->le_count = extents;
lv->vg = vg;
list_init(&lv->segments);
@ -480,7 +480,7 @@ int lv_reduce(struct format_instance *fi,
}
lv->le_count -= extents;
lv->size = lv->le_count * lv->vg->extent_size;
lv->size = (uint64_t) lv->le_count * lv->vg->extent_size;
if (fi->ops->lv_setup && !fi->ops->lv_setup(fi, lv)) {
stack;
@ -500,7 +500,7 @@ int lv_extend(struct format_instance *fi,
uint64_t old_size = lv->size;
lv->le_count += extents;
lv->size += extents * lv->vg->extent_size;
lv->size += (uint64_t) extents * lv->vg->extent_size;
/* FIXME: Format1 must ensure stripes is consistent with 1st seg */

13
lib/metadata/metadata.c
View File

@ -46,10 +46,12 @@ int _add_pv_to_vg(struct format_instance *fi, struct volume_group *vg,
}
/* Units of 512-byte sectors */
/*
if (!dev_get_size(pv->dev, &pv->size)) {
stack;
return 0;
}
*/
/* Units of 512-byte sectors */
pv->pe_size = vg->extent_size;
@ -192,7 +194,8 @@ struct volume_group *vg_create(struct format_instance *fi, const char *vg_name,
struct physical_volume *pv_create(struct format_instance *fi,
const char *name,
struct id *id)
struct id *id,
uint64_t size)
{
struct pool *mem = fi->cmd->mem;
struct physical_volume *pv = pool_alloc(mem, sizeof (*pv));
@ -220,7 +223,13 @@ struct physical_volume *pv_create(struct format_instance *fi,
*pv->vg_name = 0;
pv->status = ALLOCATABLE_PV;
if (!dev_get_size(pv->dev, &pv->size)) {
if (size) {
if (size < PV_MIN_SIZE) {
log_err("Given size for '%s' is too small", name);
goto bad;
}
pv->size = size;
} else if (!dev_get_size(pv->dev, &pv->size)) {
log_err("Couldn't get size of device '%s'", name);
goto bad;
}

4
lib/metadata/metadata.h
View File

@ -22,6 +22,7 @@
#define STRIPE_SIZE_DEFAULT 16 /* 16KB */
#define STRIPE_SIZE_MIN ( PAGE_SIZE/SECTOR_SIZE) /* PAGESIZE in sectors */
#define STRIPE_SIZE_MAX ( 512L * 1024 / SECTOR_SIZE) /* 512 KB in sectors */
#define PV_MIN_SIZE ( 512L * 1024 / SECTOR_SIZE) /* 512 KB in sectors */
/* Various flags */
@ -245,7 +246,8 @@ struct format_handler {
*/
struct physical_volume *pv_create(struct format_instance *fi,
const char *name,
struct id *id);
struct id *id,
uint64_t size);
struct volume_group *vg_create(struct format_instance *fi, const char *name,
uint32_t extent_size, int max_pv, int max_lv,

1
tools/args.h
View File

@ -58,6 +58,7 @@ arg(physicalvolume_ARG, 'P', "physicalvolume", NULL)
arg(readahead_ARG, 'r', "readahead", int_arg)
arg(reset_ARG, 'R', "reset", NULL)
arg(physicalextentsize_ARG, 's', "physicalextentsize", size_arg)
arg(physicalvolumesize_ARG, 's', "size", size_arg)
arg(stdin_ARG, 's', "stdin", NULL)
arg(snapshot_ARG, 's', "snapshot", NULL)
arg(short_ARG, 's', "short", NULL)

3
tools/commands.h
View File

@ -265,13 +265,14 @@ xx(pvcreate,
"\t[-f[f]|--force [--force]] " "\n"
"\t[-h|--help] " "\n"
"\t[-y|--yes]" "\n"
"\t[-s|--size PhysicalVolumeSize[kKmMgGtT]" "\n"
"\t[-t|--test] " "\n"
"\t[-u|--uuid uuid] " "\n"
"\t[-v|--verbose] " "\n"
"\t[--version] " "\n"
"\tPhysicalVolume [PhysicalVolume...]\n",
force_ARG, test_ARG, uuidstr_ARG, yes_ARG)
force_ARG, test_ARG, physicalvolumesize_ARG, uuidstr_ARG, yes_ARG)
xx(pvdata,
"Display the on-disk metadata for physical volume(s)",

7
tools/lvresize.c
View File

@ -279,7 +279,8 @@ int lvresize(struct cmd_context *cmd, int argc, char **argv)
if (lv_active(lv) > 0) {
dummy =
display_size(extents * vg->extent_size / 2,
display_size((unsigned long long)
extents * (vg->extent_size / 2),
SIZE_SHORT);
log_print("WARNING: Reducing active%s logical volume "
"to %s", lv_open_count(lv) ? " and open" : "",
@ -320,7 +321,9 @@ int lvresize(struct cmd_context *cmd, int argc, char **argv)
/* Use full list from VG */
pvh = &vg->pvs;
}
dummy = display_size(extents * vg->extent_size / 2, SIZE_SHORT);
dummy = display_size((unsigned long long)
extents * (vg->extent_size / 2),
SIZE_SHORT);
log_print("Extending logical volume %s to %s", lv_name, dummy);
dbg_free(dummy);

5
tools/pvcreate.c
View File

@ -74,6 +74,7 @@ static void pvcreate_single(struct cmd_context *cmd, const char *pv_name)
struct physical_volume *pv;
struct id id, *idp = NULL;
char *uuid;
uint64_t size = 0;
struct device *dev;
if (arg_count(cmd, uuidstr_ARG)) {
@ -91,7 +92,9 @@ static void pvcreate_single(struct cmd_context *cmd, const char *pv_name)
if (!pvcreate_check(cmd, pv_name))
return;
if (!(pv = pv_create(cmd->fid, pv_name, idp))) {
size = arg_int_value(cmd, physicalvolumesize_ARG, 0) * 2;
printf("%Ld\n", size);
if (!(pv = pv_create(cmd->fid, pv_name, idp, size))) {
log_err("Failed to setup physical volume \"%s\"", pv_name);
return;
}