Messages in this thread | | | From | Hannes Reinecke <> | Subject | [PATCH 0/4] loop: enable different physical blocksizes | Date | Fri, 17 Jul 2015 09:27:03 +0200 |
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Currently the loop driver just simulates 512-byte blocks. When creating images for virtual machines it might be required to use a different physical blocksize (eg 4k for S/390 DASD). This patchset extends the current LOOP_SET_STATUS64 ioctl to set the logical and physical blocksize by re-using the existing 'init' fields, which are currently unused.
As usual, comments and reviews are welcome.
Hannes Reinecke (4): loop: Enable correct physical blocksize loop: Remove unused 'bdev' argument from loop_set_capacity loop: Add 'lo_logical_blocksize' loop: Pass logical blocksize in 'lo_init[0]' ioctl field
drivers/block/loop.c | 35 ++++++++++++++++++++++++++++++----- drivers/block/loop.h | 1 + include/uapi/linux/loop.h | 1 + 3 files changed, 32 insertions(+), 5 deletions(-)
-- 1.8.5.2
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