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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=141.146.126.79; envelope-from=joe.jin@oracle.com; helo=aserp2130.oracle.com X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Thu, 01 Apr 2021 11:27:33 -0400 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: qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @oracle.com) Some time after created snapshot, auto_backing_file only has filename, this confused overridden check, update it to full path if it is not. Signed-off-by: Joe Jin --- =C2=A0block.c | 13 +++++++++++++ =C2=A01 file changed, 13 insertions(+) diff --git a/block.c b/block.c index c5b887cec1..8f9a027dee 100644 --- a/block.c +++ b/block.c @@ -6969,6 +6969,19 @@ void bdrv_refresh_filename(BlockDriverState *bs) =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 return; =C2=A0=C2=A0=C2=A0=C2=A0 } =C2=A0 +=C2=A0=C2=A0=C2=A0 /* auto_backing_file only has filename, update it to th= e full path */ +=C2=A0=C2=A0=C2=A0 if (bs->backing && bs->auto_backing_file[0] !=3D '/') { +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 char *backing_filename =3D NULL; +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Error *local_err =3D NULL; + +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 backing_filename =3D bdrv_make_= absolute_filename(bs, +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 bs->a= uto_backing_file, &local_err); +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 if (!local_err && backing_filen= ame) { +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 pstrcpy= (bs->auto_backing_file, sizeof(bs->auto_backing_file), +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 backing_filename); +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 g_free(= backing_filename); +=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 } +=C2=A0=C2=A0=C2=A0 } =C2=A0=C2=A0=C2=A0=C2=A0 backing_overridden =3D bdrv_backing_overridden(bs); =C2=A0 =C2=A0=C2=A0=C2=A0=C2=A0 if (bs->open_flags & BDRV_O_NO_IO) { --=20 2.21.1 (Apple Git-122.3)