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storage: Refactor storage pool type checks

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Refactor the code for both startPool (*Mount) and stopPool (*Unmount) code
paths by introducing virStorageBackendFileSystemIsValid.
This commit is contained in:
John Ferlan 2015-06-02 19:35:35 -04:00
parent 325a8134f9
commit 5a8c98dbd9
1 changed files with 39 additions and 46 deletions
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85
src/storage/storage_backend_fs.c
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@ -334,6 +334,41 @@ virStorageBackendFileSystemNetFindPoolSources(virConnectPtr conn ATTRIBUTE_UNUSE
return ret;
}
/**
* @pool storage pool to check FS types
*
* Determine if storage pool FS types are properly set up
*
* Return 0 if everything's OK, -1 on error
*/
static int
virStorageBackendFileSystemIsValid(virStoragePoolObjPtr pool)
{
if (pool->def->type == VIR_STORAGE_POOL_NETFS) {
if (pool->def->source.nhost != 1) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("expected exactly 1 host for the storage pool"));
return -1;
}
if (pool->def->source.hosts[0].name == NULL) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("missing source host"));
return -1;
}
if (pool->def->source.dir == NULL) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("missing source path"));
return -1;
}
} else {
if (pool->def->source.ndevice != 1) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("missing source device"));
return -1;
}
}
return 0;
}
/**
* @pool storage pool to check for status
@ -390,29 +425,8 @@ virStorageBackendFileSystemMount(virStoragePoolObjPtr pool)
int ret = -1;
int rc;
if (pool->def->type == VIR_STORAGE_POOL_NETFS) {
if (pool->def->source.nhost != 1) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Expected exactly 1 host for the storage pool"));
return -1;
}
if (pool->def->source.hosts[0].name == NULL) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("missing source host"));
return -1;
}
if (pool->def->source.dir == NULL) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("missing source path"));
return -1;
}
} else {
if (pool->def->source.ndevice != 1) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("missing source device"));
return -1;
}
}
if (virStorageBackendFileSystemIsValid(pool) < 0)
return -1;
/* Short-circuit if already mounted */
if ((rc = virStorageBackendFileSystemIsMounted(pool)) != 0) {
@ -486,29 +500,8 @@ virStorageBackendFileSystemUnmount(virStoragePoolObjPtr pool)
int ret = -1;
int rc;
if (pool->def->type == VIR_STORAGE_POOL_NETFS) {
if (pool->def->source.nhost != 1) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Expected exactly 1 host for the storage pool"));
return -1;
}
if (pool->def->source.hosts[0].name == NULL) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("missing source host"));
return -1;
}
if (pool->def->source.dir == NULL) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("missing source dir"));
return -1;
}
} else {
if (pool->def->source.ndevice != 1) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("missing source device"));
return -1;
}
}
if (virStorageBackendFileSystemIsValid(pool) < 0)
return -1;
/* Short-circuit if already unmounted */
if ((rc = virStorageBackendFileSystemIsMounted(pool)) != 1)