[Qemu-devel] [PATCH v2 0/7] eliminate data write in bdrv_write

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[Qemu-devel] [PATCH v2 0/7] eliminate data write in bdrv_write_zeroes on

From:	Denis V. Lunev
Subject:	[Qemu-devel] [PATCH v2 0/7] eliminate data write in bdrv_write_zeroes on Linux
Date:	Fri, 26 Dec 2014 15:35:06 +0300

These patches eliminate data writes completely on Linux if fallocate
FALLOC_FL_ZERO_RANGE or FALLOC_FL_PUNCH_HOLE are  supported on
underlying filesystem.

This should seriously increase performance in some special cases.

Signed-off-by: Denis V. Lunev <address@hidden>
CC: Kevin Wolf <address@hidden>
CC: Stefan Hajnoczi <address@hidden>

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[Qemu-devel] [PATCH v2 0/7] eliminate data write in bdrv_write_zeroes on Linux, Denis V. Lunev <=
- [Qemu-devel] [PATCH 3/7] block/raw-posix: create do_fallocate helper, Denis V. Lunev, 2014/12/26
- [Qemu-devel] [PATCH 2/7] block: use fallocate(FALLOC_FL_ZERO_RANGE) in handle_aiocb_write_zeroes, Denis V. Lunev, 2014/12/26
- [Qemu-devel] [PATCH 5/7] block/raw-posix: refactor handle_aiocb_write_zeroes a bit, Denis V. Lunev, 2014/12/26
- [Qemu-devel] [PATCH 7/7] block/raw-posix: call plain fallocate in handle_aiocb_write_zeroes, Denis V. Lunev, 2014/12/26
- [Qemu-devel] [PATCH 1/7] block: fix maximum length sent to bdrv_co_do_write_zeroes callback in bs, Denis V. Lunev, 2014/12/26
  - Re: [Qemu-devel] [PATCH 1/7] block: fix maximum length sent to bdrv_co_do_write_zeroes callback in bs, Peter Lieven, 2014/12/26
    - Re: [Qemu-devel] [PATCH 1/7] block: fix maximum length sent to bdrv_co_do_write_zeroes callback in bs, Denis V. Lunev, 2014/12/26
    - Re: [Qemu-devel] [PATCH 1/7] block: fix maximum length sent to bdrv_co_do_write_zeroes callback in bs, Denis V. Lunev, 2014/12/26
    - Re: [Qemu-devel] [PATCH 1/7] block: fix maximum length sent to bdrv_co_do_write_zeroes callback in bs, Peter Lieven, 2014/12/27
    - Re: [Qemu-devel] [PATCH 1/7] block: fix maximum length sent to bdrv_co_do_write_zeroes callback in bs, Denis V. Lunev, 2014/12/27

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