Re: [Qemu-devel] [PATCH v3 19/29] block: Allow wait_serialising_requests() at any point

2014-01-22 Thread Benoît Canet
Le Friday 17 Jan 2014 à 15:15:09 (+0100), Kevin Wolf a écrit : We can only have a single wait_serialising_requests() call per request because otherwise we can run into deadlocks where requests are waiting for each other. The same is true when wait_serialising_requests() is not at the very

[Qemu-devel] [PATCH v3 19/29] block: Allow wait_serialising_requests() at any point

2014-01-17 Thread Kevin Wolf
We can only have a single wait_serialising_requests() call per request because otherwise we can run into deadlocks where requests are waiting for each other. The same is true when wait_serialising_requests() is not at the very beginning of a request, so that other requests can be issued between