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Tue, 24 Mar 2020 17:42:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1585071763; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=uivZlGw/PF880rbLriUotiKEjwGQJhiL5E+HnBH1sZU=; b=Qg5jjSkBxz+eoPx7B2SkHzVpgadFwv6jtYj14BEzRQjJ7sdqAja7knbiY26KwUhJmLETPg 2E8Wzken19Bt5X/NDOj64evStCufe9hmazppRf05jeaPDT1d9wZteiTbcsGIND4uYxF0Mr sBW1uUQOQhYz6eLIWgNxDvEH6d90Xws= X-MC-Unique: 0zejlRMwMhiRPoSrjN4lBg-1 From: Eric Blake To: qemu-devel@nongnu.org Subject: [PATCH v2 4/4] sheepdog: Consistently set bdrv_has_zero_init_truncate Date: Tue, 24 Mar 2020 12:42:33 -0500 Message-Id: <20200324174233.1622067-5-eblake@redhat.com> In-Reply-To: <20200324174233.1622067-1-eblake@redhat.com> References: <20200324174233.1622067-1-eblake@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com 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: 216.205.24.74 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: kwolf@redhat.com, Liu Yuan , "open list:Sheepdog" , qemu-block@nongnu.org, mreitz@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" block_int.h claims that .bdrv_has_zero_init must return 0 if .bdrv_has_zero_init_truncate does likewise; but this is violated if only the former callback is provided if .bdrv_co_truncate also exists. When adding the latter callback, it was mistakenly added to only one of the three possible sheepdog instantiations. Fixes: 1dcaf527 Signed-off-by: Eric Blake Reviewed-by: John Snow Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- block/sheepdog.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/block/sheepdog.c b/block/sheepdog.c index cfa84338a2d6..522c16a93676 100644 --- a/block/sheepdog.c +++ b/block/sheepdog.c @@ -3269,6 +3269,7 @@ static BlockDriver bdrv_sheepdog_tcp =3D { .bdrv_co_create =3D sd_co_create, .bdrv_co_create_opts =3D sd_co_create_opts, .bdrv_has_zero_init =3D bdrv_has_zero_init_1, + .bdrv_has_zero_init_truncate =3D bdrv_has_zero_init_1, .bdrv_getlength =3D sd_getlength, .bdrv_get_allocated_file_size =3D sd_get_allocated_file_size, .bdrv_co_truncate =3D sd_co_truncate, @@ -3307,6 +3308,7 @@ static BlockDriver bdrv_sheepdog_unix =3D { .bdrv_co_create =3D sd_co_create, .bdrv_co_create_opts =3D sd_co_create_opts, .bdrv_has_zero_init =3D bdrv_has_zero_init_1, + .bdrv_has_zero_init_truncate =3D bdrv_has_zero_init_1, .bdrv_getlength =3D sd_getlength, .bdrv_get_allocated_file_size =3D sd_get_allocated_file_size, .bdrv_co_truncate =3D sd_co_truncate, --=20 2.26.0.rc2