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b=ZB0nBtnW9x3y+p6wy5em3PZg4LpCX7T7il1itKIoBT7MW6AF2UKTEnio5U9jnsWZXPT81z KVknxXi06syXQBvH+IryEl+YQFyLHLs9S3g9JTEnA9mKR3wNUucfljqL39w+jjx0F1Inzp ef4/hZeoNycEyXUlT1VsaD20ONJgSs4= X-MC-Unique: u3bNlIUiNDSC00eqRCdXMQ-1 From: Eric Blake To: qemu-devel@nongnu.org Subject: [PATCH] docs: Better mention of qemu-img amend limitations Date: Wed, 23 Sep 2020 15:37:19 -0500 Message-Id: <20200923203719.732958-1-eblake@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=eblake@redhat.com 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=216.205.24.124; envelope-from=eblake@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/22 23:02:20 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -32 X-Spam_score: -3.3 X-Spam_bar: --- X-Spam_report: (-3.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.228, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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 Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" Missed during merge resolution of commit bc5ee6da71. Signed-off-by: Eric Blake --- docs/tools/qemu-img.rst | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/tools/qemu-img.rst b/docs/tools/qemu-img.rst index c35bd6482203..2b5891b54db7 100644 --- a/docs/tools/qemu-img.rst +++ b/docs/tools/qemu-img.rst @@ -265,6 +265,10 @@ Command description: --force allows some unsafe operations. Currently for -f luks, it allows = to erase the last encryption key, and to overwrite an active encryption key. + The set of options that can be amended are dependent on the image + format, but note that amending the backing chain relationship should + instead be performed with ``qemu-img rebase``. + .. option:: bench [-c COUNT] [-d DEPTH] [-f FMT] [--flush-interval=3DFLUSH= _INTERVAL] [-i AIO] [-n] [--no-drain] [-o OFFSET] [--pattern=3DPATTERN] [-q= ] [-s BUFFER_SIZE] [-S STEP_SIZE] [-t CACHE] [-w] [-U] FILENAME Run a simple sequential I/O benchmark on the specified image. If ``-w`` = is --=20 2.28.0