Re: [Qemu-devel] [PATCH 3/6] block: switch bdrv_read()/bdrv_write() to coroutines

[Kevin Wolf]

Am 05.10.2011 18:17, schrieb Stefan Hajnoczi:
> The bdrv_read()/bdrv_write() functions call .bdrv_read()/.bdrv_write().
> They should go through bdrv_co_do_readv() and bdrv_co_do_writev()
> instead in order to unify request processing code across sync, aio, and
> coroutine interfaces.  This is also an important step towards removing
> BlockDriverState .bdrv_read()/.bdrv_write() in the future.
> 
> Signed-off-by: Stefan Hajnoczi <address@hidden>

This breaks drivers that only provide synchronous .bdrv_read/write.
Attempts to read or write anything results in endless recursion.

Kevin