[Qemu-devel] [Bug 1819182] Re: info does not recognize file format of vpc with subformat=fixed

[Scott Moser]

$ ./go-create
#version: 2.11.1                                                                
qcow: PASS fmt=qcow auto=qcow exp=qcow [name=my-img.qcow opts=]                 
qcow2: PASS fmt=qcow2 auto=qcow2 exp=qcow2 [name=my-img.qcow2 opts=]            
qed: PASS fmt=qed auto=qed exp=qed [name=my-img.qed opts=]                      
raw: PASS fmt=raw auto=raw exp=raw [name=my-img.raw opts=]                      
vdi: PASS fmt=vdi auto=vdi exp=vdi [name=my-img.vdi opts=]                      
vhdx: PASS fmt=vhdx auto=vhdx exp=vhdx [name=my-img.vhdx opts=]                 
vmdk: PASS fmt=vmdk auto=vmdk exp=vmdk [name=my-img.vmdk opts=]                 
vpc: PASS fmt=vpc auto=vpc exp=vpc [name=my-img.vpc opts=]                      
vpc-fixed: FAIL fmt=vpc auto=raw exp=vpc [name=my-img.vpc-fixed opts=-o 
subformat=fixed]                                                                
        
vpc-fforce: FAIL fmt=vpc auto=raw exp=vpc [name=my-img.vpc-fforce opts=-o 
subformat=fixed,force_size]                                                     
      
FAIL [2]    

** Attachment added: "shell script reproducing and testing different types."
   
https://bugs.launchpad.net/qemu/+bug/1819182/+attachment/5244750/+files/go-create

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https://bugs.launchpad.net/bugs/1819182

Title:
  info does not recognize file format of vpc with subformat=fixed

Status in QEMU:
  New

Bug description:
  After creating or converting an image to vpc with 'subformat=fixed'
  'qemu-img info' incorrectly identifies the image as 'raw' format.

  $ qemu-img --version
  qemu-img version 2.11.1(Debian 1:2.11+dfsg-1ubuntu7.10)
  Copyright (c) 2003-2017 Fabrice Bellard and the QEMU Project developers

  $ qemu-img create -f vpc -o subformat=fixed my.vpc 2G
  Formatting 'my.vpc', fmt=vpc size=2147483648 subformat=fixed

  $ qemu-img info my.vpc
  image: my.vpc
  file format: raw
  virtual size: 2.0G (2147992064 bytes)
  disk size: 4.0K

  $ qemu-img info -f vpc my.vpc
  image: my.vpc
  file format: vpc
  virtual size: 2.0G (2147991552 bytes)
  disk size: 4.0K

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