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Change pvcreate_single to return pv_t and update function description.

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Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>


Author: Dave Wysochanski <dwysocha@redhat.com>
This commit is contained in:
Dave Wysochanski 2009-07-26 01:53:57 +00:00
parent 9d5a318ac6
commit 89777f9cec
2 changed files with 19 additions and 6 deletions
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3
lib/metadata/metadata-exported.h
View File

@ -354,7 +354,8 @@ struct pvcreate_params {
unsigned yes;
};
int pvcreate_single(struct cmd_context *cmd, const char *pv_name, void *handle);
pv_t * pvcreate_single(struct cmd_context *cmd, const char *pv_name,
void *handle);
/*
* Utility functions

22
lib/metadata/metadata.c
View File

@ -1107,7 +1107,19 @@ static void fill_default_pvcreate_params(struct pvcreate_params *pp)
pp->yes = 0;
}
int pvcreate_single(struct cmd_context *cmd, const char *pv_name, void *handle)
/*
* pvcreate_single() - initialize a device with PV label and metadata
*
* Parameters:
* - pv_name: device path to initialize
* - handle: options to pass to pv_create; NULL indicates use defaults
*
* Returns:
* NULL: error
* pv_t * (non-NULL): handle to physical volume created
*/
pv_t * pvcreate_single(struct cmd_context *cmd, const char *pv_name,
void *handle)
{
struct pvcreate_params *pp;
void *pv;
@ -1126,13 +1138,13 @@ int pvcreate_single(struct cmd_context *cmd, const char *pv_name, void *handle)
(dev != dev_cache_get(pv_name, cmd->filter))) {
log_error("uuid %s already in use on \"%s\"",
pp->idp->uuid, dev_name(dev));
return 0;
return NULL;
}
}
if (!lock_vol(cmd, VG_ORPHANS, LCK_VG_WRITE)) {
log_error("Can't get lock for orphan PVs");
return 0;
return NULL;
}
if (!pvcreate_check(cmd, pv_name, pp))
@ -1192,11 +1204,11 @@ int pvcreate_single(struct cmd_context *cmd, const char *pv_name, void *handle)
log_print("Physical volume \"%s\" successfully created", pv_name);
unlock_vg(cmd, VG_ORPHANS);
return 1;
return pv;
error:
unlock_vg(cmd, VG_ORPHANS);
return 0;
return NULL;
}
static void _free_pv(struct dm_pool *mem, struct physical_volume *pv)