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block: simplify drive-backup

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Now that we can support boxed commands, use it to greatly reduce the
number of parameters (and likelihood of getting out of sync) when
adjusting drive-backup parameters.

Signed-off-by: Pavel Butsykin <pbutsykin@virtuozzo.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Jeff Cody <jcody@redhat.com>
CC: Markus Armbruster <armbru@redhat.com>
CC: Eric Blake <eblake@redhat.com>
CC: John Snow <jsnow@redhat.com>
CC: Stefan Hajnoczi <stefanha@redhat.com>
CC: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Pavel Butsykin
2016-07-22 11:17:50 +03:00
committed by Kevin Wolf
parent 3ea1a09111
commit 81206a8987
3 changed files with 48 additions and 87 deletions
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21
hmp.c
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@@ -1109,8 +1109,16 @@ void hmp_drive_backup(Monitor *mon, const QDict *qdict)
const char *format = qdict_get_try_str(qdict, "format");
bool reuse = qdict_get_try_bool(qdict, "reuse", false);
bool full = qdict_get_try_bool(qdict, "full", false);
enum NewImageMode mode;
Error *err = NULL;
DriveBackup backup = {
.device = (char *)device,
.target = (char *)filename,
.has_format = !!format,
.format = (char *)format,
.sync = full ? MIRROR_SYNC_MODE_FULL : MIRROR_SYNC_MODE_TOP,
.has_mode = true,
.mode = reuse ? NEW_IMAGE_MODE_EXISTING : NEW_IMAGE_MODE_ABSOLUTE_PATHS,
};
if (!filename) {
error_setg(&err, QERR_MISSING_PARAMETER, "target");
@@ -1118,16 +1126,7 @@ void hmp_drive_backup(Monitor *mon, const QDict *qdict)
return;
}
if (reuse) {
mode = NEW_IMAGE_MODE_EXISTING;
} else {
mode = NEW_IMAGE_MODE_ABSOLUTE_PATHS;
}
qmp_drive_backup(false, NULL, device, filename, !!format, format,
full ? MIRROR_SYNC_MODE_FULL : MIRROR_SYNC_MODE_TOP,
true, mode, false, 0, false, NULL,
false, 0, false, 0, &err);
qmp_drive_backup(&backup, &err);
hmp_handle_error(mon, &err);
}