tree d4a054ae9e2b19072ed32599e36feb52f7fc67e0
parent f6f80340308cdcb84db45d3abf95f23d5b66051d
author Hannes Reinecke <hare@suse.de> 1359537976 +0000
committer Martin Schwidefsky <schwidefsky@de.ibm.com> 1372692682 +0200

block/dasd: detailed I/O errors

The DASD driver is using FASTFAIL as an equivalent to the
transport errors in SCSI. And the 'steal lock' function maps
roughly to a reservation error. So we should be returning the
appropriate error codes when completing a request.

Acked-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Stefan Weinhuber <wein@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>