On 02.12.2016 20:22, Eric Blake wrote: > Commits 04ed95f4 and 1a62d0ac updated the block layer to auto-fragment > any I/O to fit within device boundaries. Additionally, when using a > minimum alignment of 4k, we want to ensure the block layer does proper > read-modify-write rather than requesting I/O on a slice of a sector. > Let's enforce that the contract is obeyed when using blkdebug. For > now, blkdebug only allows alignment overrides, and just inherits other > limits from whatever device it is wrapping, but a future patch will > further enhance things. > > Signed-off-by: Eric Blake <ebl...@redhat.com> > > --- > v3: rebase to byte-based interfaces > v2: new patch > --- > block/blkdebug.c | 14 ++++++++++++++ > 1 file changed, 14 insertions(+)
Reviewed-by: Max Reitz <mre...@redhat.com>
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