[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-block] [PATCH v11 05/10] block: treat BDRV_REQ_ALLOCATE as ser
Re: [Qemu-block] [PATCH v11 05/10] block: treat BDRV_REQ_ALLOCATE as serialising
Mon, 07 Jan 2019 16:19:43 +0100
Notmuch/0.18.2 (http://notmuchmail.org) Emacs/24.4.1 (i586-pc-linux-gnu)
On Tue 18 Dec 2018 08:57:38 AM CET, Anton Nefedov wrote:
> The idea is that ALLOCATE requests may overlap with other requests.
> Reuse the existing block layer infrastructure for serialising requests.
> Use the following approach:
> - mark ALLOCATE also SERIALISING, so subsequent requests to the area wait
> - ALLOCATE request itself must never wait if another request is in flight
> already. Return EAGAIN, let the caller reconsider.
> Signed-off-by: Anton Nefedov <address@hidden>
Reviewed-by: Alberto Garcia <address@hidden>
|[Prev in Thread]
||[Next in Thread]|
- Re: [Qemu-block] [PATCH v11 05/10] block: treat BDRV_REQ_ALLOCATE as serialising,
Alberto Garcia <=