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Re: [Qemu-block] [Qemu-devel] [PATCH] block: Simplify bdrv_filter_defaul

From: Eric Blake
Subject: Re: [Qemu-block] [Qemu-devel] [PATCH] block: Simplify bdrv_filter_default_perms()
Date: Fri, 2 Aug 2019 09:36:06 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0

On 8/2/19 9:03 AM, Kevin Wolf wrote:
> The same change as commit 2b23f28639 ('block/copy-on-read: Fix
> permissions for inactive node') made for the copy-on-read driver can be
> made for bdrv_filter_default_perms(): Retaining the old permissions from
> the BdrvChild if it is given complicates things unnecessary when in the


> end this only means that the options set in the c == NULL case (i.e.
> during child creation) are retained.
> Signed-off-by: Kevin Wolf <address@hidden>
> ---
>  block.c | 12 ++----------
>  1 file changed, 2 insertions(+), 10 deletions(-)

Reviewed-by: Eric Blake <address@hidden>

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

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