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Re: [PATCH v5 1/7] block: return error-code from bdrv_invalidate_cache


From: Eric Blake
Subject: Re: [PATCH v5 1/7] block: return error-code from bdrv_invalidate_cache
Date: Wed, 27 May 2020 17:03:05 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0

On 5/27/20 3:37 PM, Vladimir Sementsov-Ogievskiy wrote:
This is the only coroutine wrapper from block.c and block/io.c which
doesn't return value, so let's convert it to the common behavior, to

s/value/a value/

simplify moving to generated coroutine wrappers in further commit.

s/in/in a/


Also, bdrv_invalidate_cache is a void function, returning error only
through **errp parameter, which considered to be bad practice, as it

s/which/which is/

forces callers to define and propagate local_err variable, so
conversion is good anyway.

This patch leaves convertion of .bdrv_co_invalidate_cache() driver

s/convertion/the conversion/

callbacks and bdrv_invalidate_cache_all() for another-day refactoring.

s/another-day refactoring/another day/


Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
---
  include/block/block.h |  2 +-
  block.c               | 32 ++++++++++++++++++--------------
  2 files changed, 19 insertions(+), 15 deletions(-)


Reviewed-by: Eric Blake <eblake@redhat.com>

--
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org




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