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storage: Add flags to allow building pool during create processing

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https://bugzilla.redhat.com/show_bug.cgi?id=830056

Add flags handling to the virStoragePoolCreate and virStoragePoolCreateXML
API's which will allow the caller to provide the capability for the storage
pool create API's to also perform a pool build during creation rather than
requiring the additional buildPool step. This will allow transient pools
to be defined, built, and started.

The new flags are:

    * VIR_STORAGE_POOL_CREATE_WITH_BUILD
      Perform buildPool without any flags passed.

    * VIR_STORAGE_POOL_CREATE_WITH_BUILD_OVERWRITE
      Perform buildPool using VIR_STORAGE_POOL_BUILD_OVERWRITE flag.

    * VIR_STORAGE_POOL_CREATE_WITH_BUILD_NO_OVERWRITE
      Perform buildPool using VIR_STORAGE_POOL_BUILD_NO_OVERWRITE flag.

It is up to the backend to handle the processing of build flags. The
overwrite and no-overwrite flags are mutually exclusive.

NB:
This patch is loosely based upon code originally authored by Osier
Yang that were not reviewed and pushed, see:

https://www.redhat.com/archives/libvir-list/2012-July/msg01328.html
This commit is contained in:
John Ferlan
2015-11-25 10:01:45 -05:00
parent 22f9754f1b
commit aeb1078ab5
3 changed files with 65 additions and 5 deletions
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18
include/libvirt/libvirt-storage.h
View File

@@ -57,7 +57,6 @@ typedef enum {
# endif
} virStoragePoolState;
typedef enum {
VIR_STORAGE_POOL_BUILD_NEW = 0, /* Regular build from scratch */
VIR_STORAGE_POOL_BUILD_REPAIR = (1 << 0), /* Repair / reinitialize */
@@ -71,6 +70,23 @@ typedef enum {
VIR_STORAGE_POOL_DELETE_ZEROED = 1 << 0, /* Clear all data to zeros (slow) */
} virStoragePoolDeleteFlags;
typedef enum {
VIR_STORAGE_POOL_CREATE_NORMAL = 0,
/* Create the pool and perform pool build without any flags */
VIR_STORAGE_POOL_CREATE_WITH_BUILD = 1 << 0,
/* Create the pool and perform pool build using the
* VIR_STORAGE_POOL_BUILD_OVERWRITE flag. This is mutually
* exclusive to VIR_STORAGE_POOL_CREATE_WITH_BUILD_NO_OVERWRITE */
VIR_STORAGE_POOL_CREATE_WITH_BUILD_OVERWRITE = 1 << 1,
/* Create the pool and perform pool build using the
* VIR_STORAGE_POOL_BUILD_NO_OVERWRITE flag. This is mutually
* exclusive to VIR_STORAGE_POOL_CREATE_WITH_BUILD_OVERWRITE */
VIR_STORAGE_POOL_CREATE_WITH_BUILD_NO_OVERWRITE = 1 << 2,
} virStoragePoolCreateFlags;
typedef struct _virStoragePoolInfo virStoragePoolInfo;
struct _virStoragePoolInfo {