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o Changed find_pv_in_vg, and find_lv_in_vg to return a struct pv_list * and

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struct lv_list * respectively.
This commit is contained in:
Joe Thornber 2002-01-21 14:28:12 +00:00
parent 752e80cd5a
commit e586401ecb
8 changed files with 54 additions and 46 deletions
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29
lib/metadata/metadata.c
View File

@ -232,25 +232,26 @@ struct physical_volume *pv_create(struct format_instance *fi,
return NULL;
}
struct list *find_pv_in_vg(struct volume_group *vg, const char *pv_name)
struct pv_list *find_pv_in_vg(struct volume_group *vg, const char *pv_name)
{
struct list *pvh;
struct pv_list *pv;
struct pv_list *pvl;
list_iterate(pvh, &vg->pvs) {
pv = list_item(pvh, struct pv_list);
pvl = list_item(pvh, struct pv_list);
/* FIXME check dev not name */
if (!strcmp(dev_name(pv->pv.dev), pv_name))
return pvh;
if (!strcmp(dev_name(pvl->pv.dev), pv_name))
return pvl;
}
return NULL;
}
struct list *find_lv_in_vg(struct volume_group *vg, const char *lv_name)
struct lv_list *find_lv_in_vg(struct volume_group *vg, const char *lv_name)
{
struct list *lvh;
struct lv_list *lvl;
const char *ptr;
/* Use last component */
@ -259,21 +260,19 @@ struct list *find_lv_in_vg(struct volume_group *vg, const char *lv_name)
else
ptr = lv_name;
list_iterate(lvh, &vg->lvs)
if (!strcmp(list_item(lvh, struct lv_list)->lv.name, ptr))
return lvh;
list_iterate(lvh, &vg->lvs) {
lvl = list_item(lvh, struct lv_list);
if (!strcmp(lvl->lv.name, ptr))
return lvl;
}
return NULL;
}
struct logical_volume *find_lv(struct volume_group *vg, const char *lv_name)
{
struct list *lvh;
if ((lvh = find_lv_in_vg(vg, lv_name)))
return &list_item(lvh, struct lv_list)->lv;
else
return NULL;
struct lv_list *lvl = find_lv_in_vg(vg, lv_name);
return lvl ? &lvl->lv : NULL;
}
struct physical_volume *find_pv(struct volume_group *vg, struct device *dev)

4
lib/metadata/metadata.h
View File

@ -283,10 +283,10 @@ struct physical_volume *pv_find(struct volume_group *vg,
/* Find a PV within a given VG */
struct list *find_pv_in_vg(struct volume_group *vg, const char *pv_name);
struct pv_list *find_pv_in_vg(struct volume_group *vg, const char *pv_name);
/* Find an LV within a given VG */
struct list *find_lv_in_vg(struct volume_group *vg, const char *lv_name);
struct lv_list *find_lv_in_vg(struct volume_group *vg, const char *lv_name);
/* Return the VG that contains a given LV (based on path given in lv_name) */
/* or environment var */

14
tools/lvcreate.c
View File

@ -23,7 +23,8 @@ int lvcreate(int argc, char **argv)
uint32_t extents = 0;
struct volume_group *vg;
struct logical_volume *lv;
struct list *lvh, *pvh, *pvl;
struct list *pvh;
struct pv_list *pvl;
char *lv_name = NULL;
char *vg_name;
char *st;
@ -95,6 +96,7 @@ int lvcreate(int argc, char **argv)
log_error("Please provide a volume group name");
return EINVALID_CMD_LINE;
}
} else {
/* Ensure lv_name doesn't contain a different VG! */
if (lv_name && strchr(lv_name, '/')) {
@ -121,7 +123,7 @@ int lvcreate(int argc, char **argv)
return ECMD_FAILED;
}
if (lv_name && (lvh = find_lv_in_vg(vg, lv_name))) {
if (lv_name && find_lv_in_vg(vg, lv_name)) {
log_error("Logical volume %s already exists in "
"volume group %s", lv_name, vg_name);
return ECMD_FAILED;
@ -141,14 +143,16 @@ int lvcreate(int argc, char **argv)
vg->name);
return EINVALID_CMD_LINE;
}
if (list_item(pvl, struct pv_list)->pv.pe_count ==
list_item(pvl, struct pv_list)->pv.pe_allocated) {
if (pvl->pv.pe_count == pvl->pv.pe_allocated) {
log_error("No free extents on physical volume"
" %s", argv[opt]);
continue;
/* FIXME But check not null at end! */
}
list_add(pvh, pvl);
// FIXME: pv_lists should be duplicated.
list_add(pvh, &pvl->list);
}
} else {
/* Use full list from VG */

8
tools/lvrename.c
View File

@ -30,7 +30,7 @@ int lvrename(int argc, char **argv)
struct volume_group *vg;
struct logical_volume *lv;
struct list *lvh;
struct lv_list *lvl;
if (argc != 2) {
log_error("Old and new logical volume required");
@ -90,19 +90,19 @@ int lvrename(int argc, char **argv)
return ECMD_FAILED;
}
if ((lvh = find_lv_in_vg(vg, lv_name_new))) {
if (find_lv_in_vg(vg, lv_name_new)) {
log_error("Logical volume %s already exists in "
"volume group %s", lv_name_new, vg_name);
return ECMD_FAILED;
}
if (!(lvh = find_lv_in_vg(vg, lv_name_old))) {
if (!(lvl = find_lv_in_vg(vg, lv_name_old))) {
log_error("Existing logical volume %s not found in "
"volume group %s", lv_name_old, vg_name);
return ECMD_FAILED;
}
lv = &list_item(lvh, struct lv_list)->lv;
lv = &lvl->lv;
if (!archive(lv->vg))
return ECMD_FAILED;

16
tools/lvresize.c
View File

@ -34,7 +34,9 @@ int lvresize(int argc, char **argv)
char *st;
char *dummy;
const char *cmd_name;
struct list *lvh, *pvh, *pvl, *segh;
struct list *pvh, *segh;
struct lv_list *lvl;
struct pv_list *pvl;
int opt = 0;
enum {
@ -107,13 +109,13 @@ int lvresize(int argc, char **argv)
}
/* does LV exist? */
if (!(lvh = find_lv_in_vg(vg, lv_name))) {
if (!(lvl = find_lv_in_vg(vg, lv_name))) {
log_error("Logical volume %s not found in volume group %s",
lv_name, vg_name);
return ECMD_FAILED;
}
lv = &list_item(lvh, struct lv_list)->lv;
lv = &lvl->lv;
if (size) {
/* No of 512-byte sectors */
@ -301,14 +303,16 @@ int lvresize(int argc, char **argv)
vg->name);
return EINVALID_CMD_LINE;
}
if (list_item(pvl, struct pv_list)->pv.pe_count ==
list_item(pvl, struct pv_list)->pv.pe_allocated) {
if (pvl->pv.pe_count == pvl->pv.pe_allocated) {
log_error("No free extents on physical volume"
" %s", argv[opt]);
continue;
/* FIXME Buy check not empty at end! */
}
list_add(pvh, pvl);
// FIXME: pv_list's need to be copied.
list_add(pvh, &pvl->list);
}
}

6
tools/pvchange.c
View File

@ -82,7 +82,7 @@ int pvchange(int argc, char **argv)
int pvchange_single(struct physical_volume *pv)
{
struct volume_group *vg = NULL;
struct list *pvh;
struct pv_list *pvl;
const char *pv_name = dev_name(pv->dev);
@ -97,12 +97,12 @@ int pvchange_single(struct physical_volume *pv)
log_error("Unable to find volume group of %s", pv_name);
return 0;
}
if (!(pvh = find_pv_in_vg(vg, pv_name))) {
if (!(pvl = find_pv_in_vg(vg, pv_name))) {
log_error("Unable to find %s in volume group %s",
pv_name, vg->name);
return 0;
}
pv = &list_item(pvh, struct pv_list)->pv;
pv = &pvl->pv;
if (!archive(vg))
return 0;
}

14
tools/toollib.c
View File

@ -64,10 +64,10 @@ int process_each_lv(int argc, char **argv,
int ret = 0;
int vg_count = 0;
struct list *lvh;
struct list *vgh, *vgs;
struct volume_group *vg;
struct logical_volume *lv;
struct lv_list *lvl;
char *vg_name;
@ -92,7 +92,7 @@ int process_each_lv(int argc, char **argv,
continue;
}
if (!(lvh = find_lv_in_vg(vg, lv_name))) {
if (!(lvl = find_lv_in_vg(vg, lv_name))) {
log_error("Can't find logical volume %s "
"in volume group %s",
lv_name, vg_name);
@ -101,7 +101,7 @@ int process_each_lv(int argc, char **argv,
continue;
}
lv = &list_item(lvh, struct lv_list)->lv;
lv = &lvl->lv;
if ((ret = process_single(lv)) > ret_max)
ret_max = ret;
@ -190,20 +190,18 @@ int process_each_pv(int argc, char **argv, struct volume_group *vg,
int ret_max = 0;
int ret = 0;
struct list *pvh;
struct pv_list *pvl;
if (argc) {
log_verbose("Using physical volume(s) on command line");
for (; opt < argc; opt++) {
if (!(pvh = find_pv_in_vg(vg, argv[opt]))) {
if (!(pvl = find_pv_in_vg(vg, argv[opt]))) {
log_error("Physical Volume %s not found in "
"Volume Group %s", argv[opt],
vg->name);
continue;
}
ret = process_single(vg,
&list_item(pvh,
struct pv_list)->pv);
ret = process_single(vg, &pvl->pv);
if (ret > ret_max)
ret_max = ret;
}

9
tools/vgreduce.c
View File

@ -82,7 +82,7 @@ int vgreduce(int argc, char **argv)
/* Or take pv_name instead? */
static int vgreduce_single(struct volume_group *vg, struct physical_volume *pv)
{
struct list *pvh;
struct pv_list *pvl;
const char *name = dev_name(pv->dev);
if (pv->pe_allocated) {
@ -102,13 +102,16 @@ static int vgreduce_single(struct volume_group *vg, struct physical_volume *pv)
return ECMD_FAILED;
}
pvh = find_pv_in_vg(vg, name);
pvl = find_pv_in_vg(vg, name);
if (!archive(vg))
return ECMD_FAILED;
log_verbose("Removing %s from volume group %s", name, vg->name);
list_del(pvh);
if (pvl)
list_del(&pvl->list);
*pv->vg_name = '\0';
vg->pv_count--;
vg->free_count -= pv->pe_count - pv->pe_allocated;