Re: [Qemu-devel] [PATCH 0/6] block: Fix permissions after ro/rw reopen

[Kevin Wolf]

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