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Re: [PATCH v4 03/25] assertions for block global state API

From: Hanna Reitz
Subject: Re: [PATCH v4 03/25] assertions for block global state API
Date: Fri, 12 Nov 2021 12:31:36 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.2.0

On 25.10.21 12:17, Emanuele Giuseppe Esposito wrote:
All the global state (GS) API functions will check that
qemu_in_main_thread() returns true. If not, it means
that the safety of BQL cannot be guaranteed, and
they need to be moved to I/O.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
  block.c        | 136 +++++++++++++++++++++++++++++++++++++++++++++++--
  block/commit.c |   2 +
  block/io.c     |  20 ++++++++
  blockdev.c     |   1 +
  4 files changed, 156 insertions(+), 3 deletions(-)

bdrv_make_zero() seems missing here – it can be considered an I/O or a GS function, but patch 2 classified it as GS.


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