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snapshot: rename an enum

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The name 'virDomainDiskSnapshot' didn't fit in with our normal
conventions of using a prefix hinting that it is related to a
virDomainSnapshotPtr.  Also, a future patch will reuse the
enum for declaring where the VM memory is stored.

* src/conf/snapshot_conf.h (virDomainDiskSnapshot): Rename...
(virDomainSnapshotLocation): ...to this.
(_virDomainSnapshotDiskDef): Update clients.
* src/conf/domain_conf.h (_virDomainDiskDef): Likewise.
* src/libvirt_private.syms (domain_conf.h): Likewise.
* src/conf/domain_conf.c (virDomainDiskDefParseXML)
(virDomainDiskDefFormat): Likewise.
* src/conf/snapshot_conf.c: (virDomainSnapshotDiskDefParseXML)
(virDomainSnapshotAlignDisks, virDomainSnapshotDefFormat):
Likewise.
* src/qemu/qemu_driver.c (qemuDomainSnapshotDiskPrepare)
(qemuDomainSnapshotCreateSingleDiskActive)
(qemuDomainSnapshotCreateDiskActive, qemuDomainSnapshotCreateXML):
Likewise.
This commit is contained in:
Eric Blake 2012-08-13 16:59:57 -06:00
parent 6478ec1673
commit 1385c9cd74
6 changed files with 34 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/conf/domain_conf.c
View File

@ -3768,7 +3768,7 @@ virDomainDiskDefParseXML(virCapsPtr caps,
}
if (snapshot) {
def->snapshot = virDomainDiskSnapshotTypeFromString(snapshot);
def->snapshot = virDomainSnapshotLocationTypeFromString(snapshot);
if (def->snapshot <= 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("unknown disk snapshot setting '%s'"),
@ -3776,7 +3776,7 @@ virDomainDiskDefParseXML(virCapsPtr caps,
goto error;
}
} else if (def->readonly) {
def->snapshot = VIR_DOMAIN_DISK_SNAPSHOT_NO;
def->snapshot = VIR_DOMAIN_SNAPSHOT_LOCATION_NONE;
}
if (rawio) {
@ -11369,9 +11369,9 @@ virDomainDiskDefFormat(virBufferPtr buf,
}
}
if (def->snapshot &&
!(def->snapshot == VIR_DOMAIN_DISK_SNAPSHOT_NO && def->readonly))
!(def->snapshot == VIR_DOMAIN_SNAPSHOT_LOCATION_NONE && def->readonly))
virBufferAsprintf(buf, " snapshot='%s'",
virDomainDiskSnapshotTypeToString(def->snapshot));
virDomainSnapshotLocationTypeToString(def->snapshot));
virBufferAddLit(buf, ">\n");
if (def->driverName || def->driverType || def->cachemode ||

2
src/conf/domain_conf.h
View File

@ -578,7 +578,7 @@ struct _virDomainDiskDef {
int ioeventfd;
int event_idx;
int copy_on_read;
int snapshot; /* enum virDomainDiskSnapshot, snapshot_conf.h */
int snapshot; /* enum virDomainSnapshotLocation, snapshot_conf.h */
int startupPolicy; /* enum virDomainStartupPolicy */
unsigned int readonly : 1;
unsigned int shared : 1;

16
src/conf/snapshot_conf.c
View File

@ -50,7 +50,7 @@
#define VIR_FROM_THIS VIR_FROM_DOMAIN_SNAPSHOT
VIR_ENUM_IMPL(virDomainDiskSnapshot, VIR_DOMAIN_DISK_SNAPSHOT_LAST,
VIR_ENUM_IMPL(virDomainSnapshotLocation, VIR_DOMAIN_SNAPSHOT_LOCATION_LAST,
"default",
"no",
"internal",
@ -119,7 +119,7 @@ virDomainSnapshotDiskDefParseXML(xmlNodePtr node,
snapshot = virXMLPropString(node, "snapshot");
if (snapshot) {
def->snapshot = virDomainDiskSnapshotTypeFromString(snapshot);
def->snapshot = virDomainSnapshotLocationTypeFromString(snapshot);
if (def->snapshot <= 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("unknown disk snapshot setting '%s'"),
@ -143,7 +143,7 @@ virDomainSnapshotDiskDefParseXML(xmlNodePtr node,
}
if (!def->snapshot && (def->file || def->driverType))
def->snapshot = VIR_DOMAIN_DISK_SNAPSHOT_EXTERNAL;
def->snapshot = VIR_DOMAIN_SNAPSHOT_LOCATION_EXTERNAL;
ret = 0;
cleanup:
@ -389,14 +389,16 @@ virDomainSnapshotAlignDisks(virDomainSnapshotDefPtr def,
disk->snapshot = disk_snapshot;
} else if (disk_snapshot && require_match &&
disk->snapshot != disk_snapshot) {
const char *tmp = virDomainDiskSnapshotTypeToString(disk_snapshot);
const char *tmp;
tmp = virDomainSnapshotLocationTypeToString(disk_snapshot);
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("disk '%s' must use snapshot mode '%s'"),
disk->name, tmp);
goto cleanup;
}
if (disk->file &&
disk->snapshot != VIR_DOMAIN_DISK_SNAPSHOT_EXTERNAL) {
disk->snapshot != VIR_DOMAIN_SNAPSHOT_LOCATION_EXTERNAL) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("file '%s' for disk '%s' requires "
"use of external snapshot mode"),
@ -444,7 +446,7 @@ virDomainSnapshotAlignDisks(virDomainSnapshotDefPtr def,
for (i = 0; i < def->ndisks; i++) {
virDomainSnapshotDiskDefPtr disk = &def->disks[i];
if (disk->snapshot == VIR_DOMAIN_DISK_SNAPSHOT_EXTERNAL &&
if (disk->snapshot == VIR_DOMAIN_SNAPSHOT_LOCATION_EXTERNAL &&
!disk->file) {
const char *original = def->dom->disks[i]->src;
const char *tmp;
@ -533,7 +535,7 @@ char *virDomainSnapshotDefFormat(const char *domain_uuid,
virBufferEscapeString(&buf, " <disk name='%s'", disk->name);
if (disk->snapshot)
virBufferAsprintf(&buf, " snapshot='%s'",
virDomainDiskSnapshotTypeToString(disk->snapshot));
virDomainSnapshotLocationTypeToString(disk->snapshot));
if (disk->file || disk->driverType) {
virBufferAddLit(&buf, ">\n");
if (disk->driverType)

16
src/conf/snapshot_conf.h
View File

@ -29,13 +29,13 @@
/* Items related to snapshot state */
enum virDomainDiskSnapshot {
VIR_DOMAIN_DISK_SNAPSHOT_DEFAULT = 0,
VIR_DOMAIN_DISK_SNAPSHOT_NO,
VIR_DOMAIN_DISK_SNAPSHOT_INTERNAL,
VIR_DOMAIN_DISK_SNAPSHOT_EXTERNAL,
enum virDomainSnapshotLocation {
VIR_DOMAIN_SNAPSHOT_LOCATION_DEFAULT = 0,
VIR_DOMAIN_SNAPSHOT_LOCATION_NONE,
VIR_DOMAIN_SNAPSHOT_LOCATION_INTERNAL,
VIR_DOMAIN_SNAPSHOT_LOCATION_EXTERNAL,
VIR_DOMAIN_DISK_SNAPSHOT_LAST
VIR_DOMAIN_SNAPSHOT_LOCATION_LAST
};
enum virDomainSnapshotState {
@ -50,7 +50,7 @@ typedef virDomainSnapshotDiskDef *virDomainSnapshotDiskDefPtr;
struct _virDomainSnapshotDiskDef {
char *name; /* name matching the <target dev='...' of the domain */
int index; /* index within snapshot->dom->disks that matches name */
int snapshot; /* enum virDomainDiskSnapshot */
int snapshot; /* enum virDomainSnapshotLocation */
char *file; /* new source file when snapshot is external */
char *driverType; /* file format type of new file */
};
@ -151,7 +151,7 @@ int virDomainListSnapshots(virDomainSnapshotObjListPtr snapshots,
virDomainSnapshotPtr **snaps,
unsigned int flags);
VIR_ENUM_DECL(virDomainDiskSnapshot)
VIR_ENUM_DECL(virDomainSnapshotLocation)
VIR_ENUM_DECL(virDomainSnapshotState)
#endif /* __SNAPSHOT_CONF_H */

4
src/libvirt_private.syms
View File

@ -341,8 +341,6 @@ virDomainDiskIoTypeToString;
virDomainDiskPathByName;
virDomainDiskRemove;
virDomainDiskRemoveByName;
virDomainDiskSnapshotTypeFromString;
virDomainDiskSnapshotTypeToString;
virDomainDiskTypeFromString;
virDomainDiskTypeToString;
virDomainEmulatorPinAdd;
@ -485,6 +483,8 @@ virDomainSnapshotFindByName;
virDomainSnapshotForEach;
virDomainSnapshotForEachChild;
virDomainSnapshotForEachDescendant;
virDomainSnapshotLocationTypeFromString;
virDomainSnapshotLocationTypeToString;
virDomainSnapshotObjListGetNames;
virDomainSnapshotObjListNum;
virDomainSnapshotObjListRemove;

19
src/qemu/qemu_driver.c
View File

@ -10558,7 +10558,7 @@ qemuDomainSnapshotDiskPrepare(virDomainObjPtr vm, virDomainSnapshotDefPtr def,
virDomainSnapshotDiskDefPtr disk = &def->disks[i];
switch (disk->snapshot) {
case VIR_DOMAIN_DISK_SNAPSHOT_INTERNAL:
case VIR_DOMAIN_SNAPSHOT_LOCATION_INTERNAL:
if (active) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("active qemu domains require external disk "
@ -10578,7 +10578,7 @@ qemuDomainSnapshotDiskPrepare(virDomainObjPtr vm, virDomainSnapshotDefPtr def,
found = true;
break;
case VIR_DOMAIN_DISK_SNAPSHOT_EXTERNAL:
case VIR_DOMAIN_SNAPSHOT_LOCATION_EXTERNAL:
if (!disk->driverType) {
if (!(disk->driverType = strdup("qcow2"))) {
virReportOOMError();
@ -10610,10 +10610,10 @@ qemuDomainSnapshotDiskPrepare(virDomainObjPtr vm, virDomainSnapshotDefPtr def,
external++;
break;
case VIR_DOMAIN_DISK_SNAPSHOT_NO:
case VIR_DOMAIN_SNAPSHOT_LOCATION_NONE:
break;
case VIR_DOMAIN_DISK_SNAPSHOT_DEFAULT:
case VIR_DOMAIN_SNAPSHOT_LOCATION_DEFAULT:
default:
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("unexpected code path"));
@ -10668,7 +10668,7 @@ qemuDomainSnapshotCreateSingleDiskActive(struct qemud_driver *driver,
char *origdriver = NULL;
bool need_unlink = false;
if (snap->snapshot != VIR_DOMAIN_DISK_SNAPSHOT_EXTERNAL) {
if (snap->snapshot != VIR_DOMAIN_SNAPSHOT_LOCATION_EXTERNAL) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("unexpected code path"));
return -1;
@ -10919,7 +10919,7 @@ qemuDomainSnapshotCreateDiskActive(virConnectPtr conn,
for (i = 0; i < snap->def->ndisks; i++) {
virDomainDiskDefPtr persistDisk = NULL;
if (snap->def->disks[i].snapshot == VIR_DOMAIN_DISK_SNAPSHOT_NO)
if (snap->def->disks[i].snapshot == VIR_DOMAIN_SNAPSHOT_LOCATION_NONE)
continue;
if (vm->newDef) {
int indx = virDomainDiskIndexByName(vm->newDef,
@ -10949,7 +10949,8 @@ qemuDomainSnapshotCreateDiskActive(virConnectPtr conn,
while (--i >= 0) {
virDomainDiskDefPtr persistDisk = NULL;
if (snap->def->disks[i].snapshot == VIR_DOMAIN_DISK_SNAPSHOT_NO)
if (snap->def->disks[i].snapshot ==
VIR_DOMAIN_SNAPSHOT_LOCATION_NONE)
continue;
if (vm->newDef) {
int indx = virDomainDiskIndexByName(vm->newDef,
@ -11178,7 +11179,7 @@ qemuDomainSnapshotCreateXML(virDomainPtr domain,
}
if (def->state == VIR_DOMAIN_DISK_SNAPSHOT && def->dom) {
if (virDomainSnapshotAlignDisks(def,
VIR_DOMAIN_DISK_SNAPSHOT_EXTERNAL,
VIR_DOMAIN_SNAPSHOT_LOCATION_EXTERNAL,
false) < 0)
goto cleanup;
}
@ -11199,7 +11200,7 @@ qemuDomainSnapshotCreateXML(virDomainPtr domain,
goto cleanup;
}
if (virDomainSnapshotAlignDisks(def,
VIR_DOMAIN_DISK_SNAPSHOT_EXTERNAL,
VIR_DOMAIN_SNAPSHOT_LOCATION_EXTERNAL,
false) < 0)
goto cleanup;
if (qemuDomainSnapshotDiskPrepare(vm, def, &flags) < 0)