Re: [Qemu-devel] [PATCH v2 20/24] block: Align requests in bdrv_co_do_pwritev()

2014-01-11 Thread Max Reitz
On 13.12.2013 14:22, Kevin Wolf wrote: This patch changes bdrv_co_do_pwritev() to actually be what its name promises. If requests aren't properly aligned, it performs a RMW. Requests touching the same block are serialised against the RMW request. Further optimisation of this is possible by diffe

[Qemu-devel] [PATCH v2 20/24] block: Align requests in bdrv_co_do_pwritev()

2013-12-13 Thread Kevin Wolf
This patch changes bdrv_co_do_pwritev() to actually be what its name promises. If requests aren't properly aligned, it performs a RMW. Requests touching the same block are serialised against the RMW request. Further optimisation of this is possible by differentiating types of requests (concurrent