Re: [Qemu-devel] [PATCH v3 1/5] blkdebug: Sanity check block layer guarantees

2016-12-07 Thread Kevin Wolf
Am 02.12.2016 um 20:22 hat Eric Blake geschrieben: > 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

Re: [Qemu-devel] [PATCH v3 1/5] blkdebug: Sanity check block layer guarantees

2016-12-06 Thread Max Reitz
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

[Qemu-devel] [PATCH v3 1/5] blkdebug: Sanity check block layer guarantees

2016-12-02 Thread Eric Blake
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 t