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Re: [Qemu-devel] [PATCH v2 0/6] file-posix: Make truncate/preallocate as
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From: |
Stefan Hajnoczi |
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Subject: |
Re: [Qemu-devel] [PATCH v2 0/6] file-posix: Make truncate/preallocate asynchronous |
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Date: |
Wed, 27 Jun 2018 12:58:01 +0100 |
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User-agent: |
Mutt/1.10.0 (2018-05-17) |
On Tue, Jun 26, 2018 at 04:24:28PM +0200, Kevin Wolf wrote:
> This fixes the problem that blockdev-create on a local file blocks the
> main loop despite being a background job. This was caused by file-posix
> preallocating the image with blocking syscalls rather than moving this
> to the thread pool and yielding the coroutine meanwhile.
>
> v2:
> - Add locking to qcow2_co_discard()
> - Extra qcow2 fix and cleanup related to the locking code
> - Use tracked requests infrastructure for serialising I/O requests
> against truncate in newly allocated areas
Looks good!
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- [Qemu-devel] [PATCH v2 3/6] qcow2: Remove coroutine trampoline for preallocate_co(), (continued)
- [Qemu-devel] [PATCH v2 3/6] qcow2: Remove coroutine trampoline for preallocate_co(), Kevin Wolf, 2018/06/26
- [Qemu-devel] [PATCH v2 4/6] block: Move bdrv_truncate() implementation to io.c, Kevin Wolf, 2018/06/26
- [Qemu-devel] [PATCH v2 5/6] block: Use tracked request for truncate, Kevin Wolf, 2018/06/26
- [Qemu-devel] [PATCH v2 6/6] file-posix: Make .bdrv_co_truncate asynchronous, Kevin Wolf, 2018/06/26
- [Qemu-devel] [PATCH v2 2/6] block: Convert .bdrv_truncate callback to coroutine_fn, Kevin Wolf, 2018/06/26
- Re: [Qemu-devel] [PATCH v2 0/6] file-posix: Make truncate/preallocate asynchronous,
Stefan Hajnoczi <=