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[Qemu-devel] [PATCH v2 0/9] quorum: Implement .bdrv_co_preadv/pwritev()

From: Kevin Wolf
Subject: [Qemu-devel] [PATCH v2 0/9] quorum: Implement .bdrv_co_preadv/pwritev()
Date: Tue, 22 Nov 2016 13:23:55 +0100

This is part of my work that aims to remove the bdrv_aio_*() emulation in io.c.

After the series, quorum doesn't only use the preferred interfaces, but the
code becomes a little easier to follow and byte granularity requests are
supported. There is probably still some potential for additional cleanups in a
follow-up series, but this should already be enough to be worth merging.

- Patch 7: Change rounding in one more place [Eric]
- Patch 9: Additional cleanup [Eric]

v1 (from RFC):
- Patch 1: Removed useless #include [Eric]
- Patch 3:
  * Define QuorumCo at the top so that a later patch doesn't
    have to move it [Eric]
  * Renamed QuorumCo.i to QuorumCo.idx [Berto]
  * Removed useless co = NULL [Eric]
- Patch 5/6: Reenter caller coroutine only after the last request [Berto]
- Patch 6: Replace void cast by comment [Berto]
- Patch 7: Change rounding [Eric/Berto]

Kevin Wolf (9):
  coroutine: Introduce qemu_coroutine_enter_if_inactive()
  quorum: Remove s from quorum_aio_get() arguments
  quorum: Implement .bdrv_co_readv/writev
  quorum: Do cleanup in caller coroutine
  quorum: Inline quorum_aio_cb()
  quorum: Avoid bdrv_aio_writev() for rewrites
  quorum: Implement .bdrv_co_preadv/pwritev()
  quorum: Inline quorum_fifo_aio_cb()
  quorum: Clean up quorum_aio_get()

 block/quorum.c           | 404 +++++++++++++++++++++++++----------------------
 include/qemu/coroutine.h |   6 +
 util/qemu-coroutine.c    |   7 +
 3 files changed, 229 insertions(+), 188 deletions(-)


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