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Date: Wed, 20 Sep 2017 12:33:41 +0200
From: Kevin Wolf <kwolf@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH 0/6] block: Fix permissions after ro/rw
 reopen
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To: qemu-block@nongnu.org
Cc: mreitz@redhat.com, famz@redhat.com, qemu-devel@nongnu.org

Am 15.09.2017 um 12:10 hat Kevin Wolf geschrieben:
> bdrv_reopen() can switch nodes between read-only and read-write modes.
> This has implications for the required permissions on their child nodes.
> For example, a qcow2 node requests write permissions on bs->file only if
> it is writable itself.
> 
> This means that during bdrv_reopen(), the permissions need to be
> recalculated in order to prevent failures where the bs->file
> permissions don't match its actual read-only state (e.g. bs->file is a
> read-write node, but the permission still enforces read-only access).

Applied to the block branch.

Kevin