Messages in this thread | | | Date | Thu, 22 Apr 1999 10:49:42 +0200 | From | Harald Koenig <> | Subject | /dev/loop0 offset doen't work on /dev/scd0 |
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why isn't it possible to use
# losetup -o 2048 /dev/loop0 /dev/scd0 ioctl: LOOP_SET_STATUS: Invalid argument
without `-o 2048' the loopback works fine (but is useless because I need to skip the first sector;). strace shows:
# strace losetup -o 2048 /dev/loop0 /dev/scd0 ... open("/dev/scd0", O_RDWR) = -1 EROFS (Read-only file system) open("/dev/scd0", O_RDONLY) = 3 open("/dev/loop0", O_RDONLY) = 4 ioctl(4, LOOP_SET_FD, 0x3) = 0 ioctl(4, LOOP_SET_STATUS, 0xbffff500) = -1 EINVAL (Invalid argument) ioctl(4, LOOP_CLR_FD, 0) = 0 write(2, "ioctl: LOOP_SET_STATUS: Invalid "..., 41ioctl: LOOP_SET_STATUS: Invalid argument) = 41
Harald -- All SCSI disks will from now on ___ _____ be required to send an email notice 0--,| /OOOOOOO\ 24 hours prior to complete hardware failure! <_/ / /OOOOOOOOOOO\ \ \/OOOOOOOOOOOOOOO\ \ OOOOOOOOOOOOOOOOO|// Harald Koenig, \/\/\/\/\/\/\/\/\/ Inst.f.Theoret.Astrophysik // / \\ \ koenig@tat.physik.uni-tuebingen.de ^^^^^ ^^^^^
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