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bh=cG4/wuUjGLtOs3lRBBHGqT0ewVHOwKkACcYzE9xIwJU=; b=J2KZE0BimAThLEDc987wSY2SdYQcrOXNNetESQ9JATHiEKPLuObAYJe0RDC/1p5M7EMS7y vc5NOwIp4tobRwf/DaFLl3GinPO6uSEbBr5Et6eK3+3I43lbACIdarcXsNB96f6qdLncMl yUtxCMUBKuaTMfhJNXIbxHJ+qmksaPM= X-MC-Unique: 0kwcC8SsMmOcgj_nhLWDDA-1 From: Eric Blake To: qemu-devel@nongnu.org Subject: [PATCH v2 3/3] qcow2: Tweak comment about bitmaps vs. resize Date: Thu, 23 Apr 2020 17:17:07 -0500 Message-Id: <20200423221707.477404-4-eblake@redhat.com> In-Reply-To: <20200423221707.477404-1-eblake@redhat.com> References: <20200423221707.477404-1-eblake@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=207.211.31.120; envelope-from=eblake@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/04/23 16:21:37 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.120 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, 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" Our comment did not actually match the code. Rewrite the comment to be less sensitive to any future changes to qcow2-bitmap.c that might implement scenarios that we currently reject. Signed-off-by: Eric Blake Reviewed-by: Max Reitz --- block/qcow2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/qcow2.c b/block/qcow2.c index 34888a793354..6b6d1c3fa8b9 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -3997,7 +3997,7 @@ static int coroutine_fn qcow2_co_truncate(BlockDriver= State *bs, int64_t offset, goto fail; } - /* cannot proceed if image has bitmaps */ + /* See qcow2-bitmap.c for which bitmap scenarios prevent a resize. */ if (qcow2_truncate_bitmaps_check(bs, errp)) { ret =3D -ENOTSUP; goto fail; --=20 2.26.2