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Attempt to cope with LVM- prefix transition.

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This commit is contained in:
Alasdair Kergon 2005-10-26 15:00:51 +00:00
parent 76c8ddc094
commit 878467cd7c
1 changed files with 45 additions and 18 deletions
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63
lib/activate/dev_manager.c
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@ -89,7 +89,7 @@ struct dev_layer {
struct dm_info info;
/* lvid plus layer */
const char *dlid;
char *dlid;
struct logical_volume *lv;
@ -262,10 +262,16 @@ static int _info(const char *name, const char *dlid, int mknodes,
int with_open_count, struct dm_info *info,
struct dm_pool *mem, char **uuid_out)
{
if (!mknodes && dlid && *dlid &&
_info_run(NULL, dlid, info, 0, with_open_count, mem, uuid_out) &&
info->exists)
return 1;
if (!mknodes && dlid && *dlid) {
if (_info_run(NULL, dlid, info, 0, with_open_count, mem,
uuid_out) &&
info->exists)
return 1;
else if (_info_run(NULL, dlid + sizeof(UUID_PREFIX), info,
0, with_open_count, mem, uuid_out) &&
info->exists)
return 1;
}
if (name)
return _info_run(name, NULL, info, mknodes, with_open_count,
@ -348,10 +354,17 @@ static int _status(const char *name, const char *uuid,
char **type, uint32_t type_size, char **params,
uint32_t param_size)
{
if (uuid && *uuid && _status_run(NULL, uuid, start, length, type,
type_size, params, param_size)
&& *params)
return 1;
if (uuid && *uuid) {
if (_status_run(NULL, uuid, start, length, type,
type_size, params, param_size) &&
*params)
return 1;
else if (_status_run(NULL, uuid + sizeof(UUID_PREFIX), start,
length, type, type_size, params,
param_size) &&
*params)
return 1;
}
if (name && _status_run(name, NULL, start, length, type, type_size,
params, param_size))
@ -457,10 +470,15 @@ static int _percent(struct dev_manager *dm, const char *name, const char *dlid,
struct logical_volume *lv, float *percent,
uint32_t *event_nr)
{
if (dlid && *dlid
&& _percent_run(dm, NULL, dlid, target_type, wait, lv, percent,
event_nr))
return 1;
if (dlid && *dlid) {
if (_percent_run(dm, NULL, dlid, target_type, wait, lv, percent,
event_nr))
return 1;
else if (_percent_run(dm, NULL, dlid + sizeof(UUID_PREFIX),
target_type, wait, lv, percent,
event_nr))
return 1;
}
if (name && _percent_run(dm, name, NULL, target_type, wait, lv, percent,
event_nr))
@ -1078,7 +1096,7 @@ int dev_manager_mirror_percent(struct dev_manager *dm,
}
static struct dev_layer *_create_dev(struct dev_manager *dm, char *name,
const char *dlid)
char *dlid)
{
struct dev_layer *dl;
char *uuid;
@ -1096,9 +1114,18 @@ static struct dev_layer *_create_dev(struct dev_manager *dm, char *name,
return NULL;
}
if (dl->info.exists)
dl->dlid = uuid;
else
if (dl->info.exists) {
/* If old-style UUID found, convert it. */
if (strncmp(uuid, UUID_PREFIX, sizeof(UUID_PREFIX) - 1)) {
if (!(dl->dlid = dm_pool_alloc(dm->mem, sizeof(UUID_PREFIX) + strlen(uuid)))) {
stack;
return NULL;
}
memcpy(dl->dlid, UUID_PREFIX, sizeof(UUID_PREFIX) - 1);
memcpy(dl->dlid + sizeof(UUID_PREFIX) - 1, uuid, strlen(uuid));
} else
dl->dlid = uuid;
} else
dl->dlid = dlid;
list_init(&dl->pre_create);
@ -1868,7 +1895,7 @@ static int _add_existing_layer(struct dev_manager *dm, const char *name)
return 0;
}
if (!(dl = _create_dev(dm, copy, ""))) {
if (!(dl = _create_dev(dm, copy, (char *)""))) {
stack;
return 0;
}