Re: [PATCH] qcow2: Return the original error code in qcow2_co_pwrite_zeroes()

[Kevin Wolf]

Am 09.09.2020 um 14:37 hat Alberto Garcia geschrieben:
> This function checks the current status of a (sub)cluster in order to
> see if an unaligned 'write zeroes' request can be done efficiently by
> simply updating the L2 metadata and without having to write actual
> zeroes to disk.
> 
> If the situation does not allow using the fast path then the function
> returns -ENOTSUP and the caller falls back to writing zeroes.
> 
> If can happen however that the aforementioned check returns an actual
> error code so in this case we should pass it to the caller.
> 
> Signed-off-by: Alberto Garcia <berto@igalia.com>

Reviewed-by: Kevin Wolf <kwolf@redhat.com>