From patchwork Fri Jul 8 17:21:19 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Wolf X-Patchwork-Id: 9221561 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id C31586044F for ; Fri, 8 Jul 2016 17:36:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B220327FA4 for ; Fri, 8 Jul 2016 17:36:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A6C5627FA7; Fri, 8 Jul 2016 17:36:58 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id C280C27FA4 for ; Fri, 8 Jul 2016 17:36:57 +0000 (UTC) Received: from localhost ([::1]:46998 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bLZhw-0001dU-SP for patchwork-qemu-devel@patchwork.kernel.org; Fri, 08 Jul 2016 13:36:56 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38710) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bLZTe-0001Ee-TM for qemu-devel@nongnu.org; Fri, 08 Jul 2016 13:22:15 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bLZTZ-0008MY-LZ for qemu-devel@nongnu.org; Fri, 08 Jul 2016 13:22:09 -0400 Received: from mx1.redhat.com ([209.132.183.28]:49746) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bLZTQ-0008J3-Cv; Fri, 08 Jul 2016 13:21:56 -0400 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 0D22F80F92; Fri, 8 Jul 2016 17:21:56 +0000 (UTC) Received: from noname.redhat.com (ovpn-116-56.ams2.redhat.com [10.36.116.56]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u68HLk2t006858; Fri, 8 Jul 2016 13:21:55 -0400 From: Kevin Wolf To: qemu-block@nongnu.org Date: Fri, 8 Jul 2016 19:21:19 +0200 Message-Id: <1467998504-15744-8-git-send-email-kwolf@redhat.com> In-Reply-To: <1467998504-15744-1-git-send-email-kwolf@redhat.com> References: <1467998504-15744-1-git-send-email-kwolf@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Fri, 08 Jul 2016 17:21:56 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 07/32] backup: Add 'job-id' parameter to 'blockdev-backup' and 'drive-backup' X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Alberto Garcia This patch adds a new optional 'job-id' parameter to 'blockdev-backup' and 'drive-backup', allowing the user to specify the ID of the block job to be created. The HMP 'drive_backup' command remains unchanged. Signed-off-by: Alberto Garcia Reviewed-by: Kevin Wolf Reviewed-by: Max Reitz Signed-off-by: Kevin Wolf --- block/backup.c | 8 ++++---- blockdev.c | 43 ++++++++++++++++++++++++------------------- hmp.c | 2 +- include/block/block_int.h | 8 +++++--- qapi/block-core.json | 12 +++++++++--- qmp-commands.hx | 10 +++++++--- 6 files changed, 50 insertions(+), 33 deletions(-) diff --git a/block/backup.c b/block/backup.c index 19c587c..dce6614 100644 --- a/block/backup.c +++ b/block/backup.c @@ -474,9 +474,9 @@ static void coroutine_fn backup_run(void *opaque) block_job_defer_to_main_loop(&job->common, backup_complete, data); } -void backup_start(BlockDriverState *bs, BlockDriverState *target, - int64_t speed, MirrorSyncMode sync_mode, - BdrvDirtyBitmap *sync_bitmap, +void backup_start(const char *job_id, BlockDriverState *bs, + BlockDriverState *target, int64_t speed, + MirrorSyncMode sync_mode, BdrvDirtyBitmap *sync_bitmap, BlockdevOnError on_source_error, BlockdevOnError on_target_error, BlockCompletionFunc *cb, void *opaque, @@ -541,7 +541,7 @@ void backup_start(BlockDriverState *bs, BlockDriverState *target, goto error; } - job = block_job_create(NULL, &backup_job_driver, bs, speed, + job = block_job_create(job_id, &backup_job_driver, bs, speed, cb, opaque, errp); if (!job) { goto error; diff --git a/blockdev.c b/blockdev.c index 2008690..920d987 100644 --- a/blockdev.c +++ b/blockdev.c @@ -1836,9 +1836,9 @@ typedef struct DriveBackupState { BlockJob *job; } DriveBackupState; -static void do_drive_backup(const char *device, const char *target, - bool has_format, const char *format, - enum MirrorSyncMode sync, +static void do_drive_backup(const char *job_id, const char *device, + const char *target, bool has_format, + const char *format, enum MirrorSyncMode sync, bool has_mode, enum NewImageMode mode, bool has_speed, int64_t speed, bool has_bitmap, const char *bitmap, @@ -1876,7 +1876,8 @@ static void drive_backup_prepare(BlkActionState *common, Error **errp) bdrv_drained_begin(blk_bs(blk)); state->bs = blk_bs(blk); - do_drive_backup(backup->device, backup->target, + do_drive_backup(backup->has_job_id ? backup->job_id : NULL, + backup->device, backup->target, backup->has_format, backup->format, backup->sync, backup->has_mode, backup->mode, @@ -1921,8 +1922,8 @@ typedef struct BlockdevBackupState { AioContext *aio_context; } BlockdevBackupState; -static void do_blockdev_backup(const char *device, const char *target, - enum MirrorSyncMode sync, +static void do_blockdev_backup(const char *job_id, const char *device, + const char *target, enum MirrorSyncMode sync, bool has_speed, int64_t speed, bool has_on_source_error, BlockdevOnError on_source_error, @@ -1968,8 +1969,8 @@ static void blockdev_backup_prepare(BlkActionState *common, Error **errp) state->bs = blk_bs(blk); bdrv_drained_begin(state->bs); - do_blockdev_backup(backup->device, backup->target, - backup->sync, + do_blockdev_backup(backup->has_job_id ? backup->job_id : NULL, + backup->device, backup->target, backup->sync, backup->has_speed, backup->speed, backup->has_on_source_error, backup->on_source_error, backup->has_on_target_error, backup->on_target_error, @@ -3182,9 +3183,9 @@ out: aio_context_release(aio_context); } -static void do_drive_backup(const char *device, const char *target, - bool has_format, const char *format, - enum MirrorSyncMode sync, +static void do_drive_backup(const char *job_id, const char *device, + const char *target, bool has_format, + const char *format, enum MirrorSyncMode sync, bool has_mode, enum NewImageMode mode, bool has_speed, int64_t speed, bool has_bitmap, const char *bitmap, @@ -3303,7 +3304,7 @@ static void do_drive_backup(const char *device, const char *target, } } - backup_start(bs, target_bs, speed, sync, bmap, + backup_start(job_id, bs, target_bs, speed, sync, bmap, on_source_error, on_target_error, block_job_cb, bs, txn, &local_err); bdrv_unref(target_bs); @@ -3316,7 +3317,8 @@ out: aio_context_release(aio_context); } -void qmp_drive_backup(const char *device, const char *target, +void qmp_drive_backup(bool has_job_id, const char *job_id, + const char *device, const char *target, bool has_format, const char *format, enum MirrorSyncMode sync, bool has_mode, enum NewImageMode mode, @@ -3326,7 +3328,8 @@ void qmp_drive_backup(const char *device, const char *target, bool has_on_target_error, BlockdevOnError on_target_error, Error **errp) { - return do_drive_backup(device, target, has_format, format, sync, + return do_drive_backup(has_job_id ? job_id : NULL, device, target, + has_format, format, sync, has_mode, mode, has_speed, speed, has_bitmap, bitmap, has_on_source_error, on_source_error, @@ -3339,8 +3342,8 @@ BlockDeviceInfoList *qmp_query_named_block_nodes(Error **errp) return bdrv_named_nodes_list(errp); } -void do_blockdev_backup(const char *device, const char *target, - enum MirrorSyncMode sync, +void do_blockdev_backup(const char *job_id, const char *device, + const char *target, enum MirrorSyncMode sync, bool has_speed, int64_t speed, bool has_on_source_error, BlockdevOnError on_source_error, @@ -3395,7 +3398,7 @@ void do_blockdev_backup(const char *device, const char *target, goto out; } } - backup_start(bs, target_bs, speed, sync, NULL, on_source_error, + backup_start(job_id, bs, target_bs, speed, sync, NULL, on_source_error, on_target_error, block_job_cb, bs, txn, &local_err); if (local_err != NULL) { error_propagate(errp, local_err); @@ -3404,7 +3407,8 @@ out: aio_context_release(aio_context); } -void qmp_blockdev_backup(const char *device, const char *target, +void qmp_blockdev_backup(bool has_job_id, const char *job_id, + const char *device, const char *target, enum MirrorSyncMode sync, bool has_speed, int64_t speed, bool has_on_source_error, @@ -3413,7 +3417,8 @@ void qmp_blockdev_backup(const char *device, const char *target, BlockdevOnError on_target_error, Error **errp) { - do_blockdev_backup(device, target, sync, has_speed, speed, + do_blockdev_backup(has_job_id ? job_id : NULL, device, target, + sync, has_speed, speed, has_on_source_error, on_source_error, has_on_target_error, on_target_error, NULL, errp); diff --git a/hmp.c b/hmp.c index edf9c7d..62eca70 100644 --- a/hmp.c +++ b/hmp.c @@ -1127,7 +1127,7 @@ void hmp_drive_backup(Monitor *mon, const QDict *qdict) mode = NEW_IMAGE_MODE_ABSOLUTE_PATHS; } - qmp_drive_backup(device, filename, !!format, format, + 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); diff --git a/include/block/block_int.h b/include/block/block_int.h index ad44fb9..a0b9f92 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -732,6 +732,8 @@ void mirror_start(const char *job_id, BlockDriverState *bs, /* * backup_start: + * @job_id: The id of the newly-created job, or %NULL to use the + * device name of @bs. * @bs: Block device to operate on. * @target: Block device to write to. * @speed: The maximum speed, in bytes per second, or 0 for unlimited. @@ -746,9 +748,9 @@ void mirror_start(const char *job_id, BlockDriverState *bs, * Start a backup operation on @bs. Clusters in @bs are written to @target * until the job is cancelled or manually completed. */ -void backup_start(BlockDriverState *bs, BlockDriverState *target, - int64_t speed, MirrorSyncMode sync_mode, - BdrvDirtyBitmap *sync_bitmap, +void backup_start(const char *job_id, BlockDriverState *bs, + BlockDriverState *target, int64_t speed, + MirrorSyncMode sync_mode, BdrvDirtyBitmap *sync_bitmap, BlockdevOnError on_source_error, BlockdevOnError on_target_error, BlockCompletionFunc *cb, void *opaque, diff --git a/qapi/block-core.json b/qapi/block-core.json index 18cdd5b..ee44ce4 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -866,6 +866,9 @@ ## # @DriveBackup # +# @job-id: #optional identifier for the newly-created block job. If +# omitted, the device name will be used. (Since 2.7) +# # @device: the name of the device which should be copied. # # @target: the target of the new image. If the file exists, or if it @@ -903,8 +906,8 @@ # Since: 1.6 ## { 'struct': 'DriveBackup', - 'data': { 'device': 'str', 'target': 'str', '*format': 'str', - 'sync': 'MirrorSyncMode', '*mode': 'NewImageMode', + 'data': { '*job-id': 'str', 'device': 'str', 'target': 'str', + '*format': 'str', 'sync': 'MirrorSyncMode', '*mode': 'NewImageMode', '*speed': 'int', '*bitmap': 'str', '*on-source-error': 'BlockdevOnError', '*on-target-error': 'BlockdevOnError' } } @@ -912,6 +915,9 @@ ## # @BlockdevBackup # +# @job-id: #optional identifier for the newly-created block job. If +# omitted, the device name will be used. (Since 2.7) +# # @device: the name of the device which should be copied. # # @target: the name of the backup target device. @@ -938,7 +944,7 @@ # Since: 2.3 ## { 'struct': 'BlockdevBackup', - 'data': { 'device': 'str', 'target': 'str', + 'data': { '*job-id': 'str', 'device': 'str', 'target': 'str', 'sync': 'MirrorSyncMode', '*speed': 'int', '*on-source-error': 'BlockdevOnError', diff --git a/qmp-commands.hx b/qmp-commands.hx index 6a2ec8f..a032089 100644 --- a/qmp-commands.hx +++ b/qmp-commands.hx @@ -1212,8 +1212,8 @@ EQMP { .name = "drive-backup", - .args_type = "sync:s,device:B,target:s,speed:i?,mode:s?,format:s?," - "bitmap:s?,on-source-error:s?,on-target-error:s?", + .args_type = "job-id:s?,sync:s,device:B,target:s,speed:i?,mode:s?," + "format:s?,bitmap:s?,on-source-error:s?,on-target-error:s?", .mhandler.cmd_new = qmp_marshal_drive_backup, }, @@ -1229,6 +1229,8 @@ block-job-cancel command. Arguments: +- "job-id": Identifier for the newly-created block job. If omitted, + the device name will be used. (json-string, optional) - "device": the name of the device which should be copied. (json-string) - "target": the target of the new image. If the file exists, or if it is a @@ -1266,7 +1268,7 @@ EQMP { .name = "blockdev-backup", - .args_type = "sync:s,device:B,target:B,speed:i?," + .args_type = "job-id:s?,sync:s,device:B,target:B,speed:i?," "on-source-error:s?,on-target-error:s?", .mhandler.cmd_new = qmp_marshal_blockdev_backup, }, @@ -1280,6 +1282,8 @@ as backup target. Arguments: +- "job-id": Identifier for the newly-created block job. If omitted, + the device name will be used. (json-string, optional) - "device": the name of the device which should be copied. (json-string) - "target": the name of the backup target device. (json-string)