From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 64BD1ECE58C for ; Mon, 14 Oct 2019 19:31:55 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3E8B82089C for ; Mon, 14 Oct 2019 19:31:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3E8B82089C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:56324 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iK64Q-0007PD-19 for qemu-devel@archiver.kernel.org; Mon, 14 Oct 2019 15:31:54 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40215) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iK627-0005Nw-CN for qemu-devel@nongnu.org; Mon, 14 Oct 2019 15:29:33 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iK625-0002Ec-Eh for qemu-devel@nongnu.org; Mon, 14 Oct 2019 15:29:31 -0400 Received: from mx1.redhat.com ([209.132.183.28]:47260) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iK620-0001l2-4n; Mon, 14 Oct 2019 15:29:24 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 582F218C8919; Mon, 14 Oct 2019 19:29:23 +0000 (UTC) Received: from probe.bos.redhat.com (dhcp-17-152.bos.redhat.com [10.18.17.152]) by smtp.corp.redhat.com (Postfix) with ESMTP id F1E7A60BE2; Mon, 14 Oct 2019 19:29:21 +0000 (UTC) From: John Snow To: Peter Maydell , qemu-devel@nongnu.org Subject: [PULL v2 03/19] block/dirty-bitmap: return int from bdrv_remove_persistent_dirty_bitmap Date: Mon, 14 Oct 2019 15:28:53 -0400 Message-Id: <20191014192909.16044-4-jsnow@redhat.com> In-Reply-To: <20191014192909.16044-1-jsnow@redhat.com> References: <20191014192909.16044-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.6.2 (mx1.redhat.com [10.5.110.70]); Mon, 14 Oct 2019 19:29:23 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Fam Zheng , Kevin Wolf , Vladimir Sementsov-Ogievskiy , qemu-block@nongnu.org, Juan Quintela , libvir-list@redhat.com, John Snow , "Dr. David Alan Gilbert" , Max Reitz , Stefan Hajnoczi , Markus Armbruster Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Vladimir Sementsov-Ogievskiy It's more comfortable to not deal with local_err. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: John Snow Message-id: 20190920082543.23444-3-vsementsov@virtuozzo.com Signed-off-by: John Snow --- block/qcow2.h | 5 ++--- include/block/block_int.h | 6 +++--- include/block/dirty-bitmap.h | 5 ++--- block/dirty-bitmap.c | 9 +++++---- block/qcow2-bitmap.c | 18 ++++++++++-------- blockdev.c | 7 +++---- 6 files changed, 25 insertions(+), 25 deletions(-) diff --git a/block/qcow2.h b/block/qcow2.h index f51f478e34..08b4c15dc4 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -750,9 +750,8 @@ bool qcow2_can_store_new_dirty_bitmap(BlockDriverStat= e *bs, const char *name, uint32_t granularity, Error **errp); -void qcow2_remove_persistent_dirty_bitmap(BlockDriverState *bs, - const char *name, - Error **errp); +int qcow2_remove_persistent_dirty_bitmap(BlockDriverState *bs, const cha= r *name, + Error **errp); =20 ssize_t coroutine_fn qcow2_co_compress(BlockDriverState *bs, void *dest, size_t dest_size, diff --git a/include/block/block_int.h b/include/block/block_int.h index 05056b308a..6b511dd889 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -557,9 +557,9 @@ struct BlockDriver { const char *name, uint32_t granularity, Error **errp); - void (*bdrv_remove_persistent_dirty_bitmap)(BlockDriverState *bs, - const char *name, - Error **errp); + int (*bdrv_remove_persistent_dirty_bitmap)(BlockDriverState *bs, + const char *name, + Error **errp); =20 /** * Register/unregister a buffer for I/O. For example, when the drive= r is diff --git a/include/block/dirty-bitmap.h b/include/block/dirty-bitmap.h index 4b4b731b46..07503b03b5 100644 --- a/include/block/dirty-bitmap.h +++ b/include/block/dirty-bitmap.h @@ -37,9 +37,8 @@ int bdrv_dirty_bitmap_check(const BdrvDirtyBitmap *bitm= ap, uint32_t flags, Error **errp); void bdrv_release_dirty_bitmap(BlockDriverState *bs, BdrvDirtyBitmap *bi= tmap); void bdrv_release_named_dirty_bitmaps(BlockDriverState *bs); -void bdrv_remove_persistent_dirty_bitmap(BlockDriverState *bs, - const char *name, - Error **errp); +int bdrv_remove_persistent_dirty_bitmap(BlockDriverState *bs, const char= *name, + Error **errp); void bdrv_disable_dirty_bitmap(BdrvDirtyBitmap *bitmap); void bdrv_enable_dirty_bitmap(BdrvDirtyBitmap *bitmap); void bdrv_enable_dirty_bitmap_locked(BdrvDirtyBitmap *bitmap); diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c index 8f42015db9..d1ae2e1922 100644 --- a/block/dirty-bitmap.c +++ b/block/dirty-bitmap.c @@ -455,13 +455,14 @@ void bdrv_release_named_dirty_bitmaps(BlockDriverSt= ate *bs) * not fail. * This function doesn't release corresponding BdrvDirtyBitmap. */ -void bdrv_remove_persistent_dirty_bitmap(BlockDriverState *bs, - const char *name, - Error **errp) +int bdrv_remove_persistent_dirty_bitmap(BlockDriverState *bs, const char= *name, + Error **errp) { if (bs->drv && bs->drv->bdrv_remove_persistent_dirty_bitmap) { - bs->drv->bdrv_remove_persistent_dirty_bitmap(bs, name, errp); + return bs->drv->bdrv_remove_persistent_dirty_bitmap(bs, name, er= rp); } + + return 0; } =20 bool bdrv_can_store_new_dirty_bitmap(BlockDriverState *bs, const char *n= ame, diff --git a/block/qcow2-bitmap.c b/block/qcow2-bitmap.c index b2487101ed..9821c1628f 100644 --- a/block/qcow2-bitmap.c +++ b/block/qcow2-bitmap.c @@ -1404,9 +1404,8 @@ static Qcow2Bitmap *find_bitmap_by_name(Qcow2Bitmap= List *bm_list, return NULL; } =20 -void qcow2_remove_persistent_dirty_bitmap(BlockDriverState *bs, - const char *name, - Error **errp) +int qcow2_remove_persistent_dirty_bitmap(BlockDriverState *bs, const cha= r *name, + Error **errp) { int ret; BDRVQcow2State *s =3D bs->opaque; @@ -1416,18 +1415,19 @@ void qcow2_remove_persistent_dirty_bitmap(BlockDr= iverState *bs, if (s->nb_bitmaps =3D=3D 0) { /* Absence of the bitmap is not an error: see explanation above * bdrv_remove_persistent_dirty_bitmap() definition. */ - return; + return 0; } =20 bm_list =3D bitmap_list_load(bs, s->bitmap_directory_offset, s->bitmap_directory_size, errp); if (bm_list =3D=3D NULL) { - return; + return -EIO; } =20 bm =3D find_bitmap_by_name(bm_list, name); if (bm =3D=3D NULL) { - goto fail; + ret =3D -EINVAL; + goto out; } =20 QSIMPLEQ_REMOVE(bm_list, bm, Qcow2Bitmap, entry); @@ -1435,14 +1435,16 @@ void qcow2_remove_persistent_dirty_bitmap(BlockDr= iverState *bs, ret =3D update_ext_header_and_dir(bs, bm_list); if (ret < 0) { error_setg_errno(errp, -ret, "Failed to update bitmap extension"= ); - goto fail; + goto out; } =20 free_bitmap_clusters(bs, &bm->table); =20 -fail: +out: bitmap_free(bm); bitmap_list_free(bm_list); + + return ret; } =20 void qcow2_store_persistent_dirty_bitmaps(BlockDriverState *bs, Error **= errp) diff --git a/blockdev.c b/blockdev.c index f89e48fc79..a45458a60a 100644 --- a/blockdev.c +++ b/blockdev.c @@ -2940,15 +2940,14 @@ static BdrvDirtyBitmap *do_block_dirty_bitmap_rem= ove( } =20 if (bdrv_dirty_bitmap_get_persistence(bitmap)) { + int ret; AioContext *aio_context =3D bdrv_get_aio_context(bs); - Error *local_err =3D NULL; =20 aio_context_acquire(aio_context); - bdrv_remove_persistent_dirty_bitmap(bs, name, &local_err); + ret =3D bdrv_remove_persistent_dirty_bitmap(bs, name, errp); aio_context_release(aio_context); =20 - if (local_err !=3D NULL) { - error_propagate(errp, local_err); + if (ret < 0) { return NULL; } } --=20 2.21.0