tree b1ccad14a0c23f12248092feb867d2e311db59f0
parent 8bdd3f8a6993fef2f364aca6e1a59559405773a2
author Jens Axboe <jens.axboe@oracle.com> 1201862089 +0100
committer Jens Axboe <jens.axboe@oracle.com> 1201862089 +0100

block: kill swap_io_context()

It blindly copies everything in the io_context, including the lock.
That doesn't work so well for either lock ordering or lockdep.

There seems zero point in swapping io contexts on a request to request
merge, so the best point of action is to just remove it.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>