1. 29 Aug, 2011 23 commits
  2. 25 Aug, 2011 15 commits
  3. 23 Aug, 2011 2 commits
    • Kay Sievers's avatar
      loop: always allow userspace partitions and optionally support automatic scanning · e03c8dd1
      Kay Sievers authored
      Automatic partition scanning can be requested individually per loop
      device during its setup by setting LO_FLAGS_PARTSCAN. By default, no
      partition tables are scanned.
      
      Userspace can now always add and remove partitions from all loop
      devices, regardless if the in-kernel partition scanner is enabled or
      not.
      
      The needed partition minor numbers are allocated from the extended
      minors space, the main loop device numbers will continue to match the
      loop minors, regardless of the number of partitions used.
      
        # grep . /sys/class/block/loop1/loop/*
        /sys/block/loop1/loop/autoclear:0
        /sys/block/loop1/loop/backing_file:/home/kay/data/stuff/part.img
        /sys/block/loop1/loop/offset:0
        /sys/block/loop1/loop/partscan:1
        /sys/block/loop1/loop/sizelimit:0
      
        # ls -l /dev/loop*
        brw-rw---- 1 root disk   7,   0 Aug 14 20:22 /dev/loop0
        brw-rw---- 1 root disk   7,   1 Aug 14 20:23 /dev/loop1
        brw-rw---- 1 root disk 259,   0 Aug 14 20:23 /dev/loop1p1
        brw-rw---- 1 root disk 259,   1 Aug 14 20:23 /dev/loop1p2
        brw-rw---- 1 root disk   7,  99 Aug 14 20:23 /dev/loop99
        brw-rw---- 1 root disk 259,   2 Aug 14 20:23 /dev/loop99p1
        brw-rw---- 1 root disk 259,   3 Aug 14 20:23 /dev/loop99p2
        crw------T 1 root root  10, 237 Aug 14 20:22 /dev/loop-control
      
      Cc: Karel Zak  <kzak@redhat.com>
      Cc: Davidlohr Bueso <dave@gnu.org>
      Acked-By: default avatarTejun Heo <tj@kernel.org>
      Signed-off-by: default avatarKay Sievers <kay.sievers@vrfy.org>
      Signed-off-by: default avatarJens Axboe <jaxboe@fusionio.com>
      e03c8dd1
    • Jens Axboe's avatar
      e8b177ce