[BLOCK] add @uptodate to end_that_request_last() and @error to rq_end_io_fn()
add @uptodate argument to end_that_request_last() and @error
to rq_end_io_fn(). there's no generic way to pass error code
to request completion function, making generic error handling
of non-fs request difficult (rq->errors is driver-specific and
each driver uses it differently). this patch adds @uptodate
to end_that_request_last() and @error to rq_end_io_fn().
for fs requests, this doesn't really matter, so just using the
same uptodate argument used in the last call to
end_that_request_first() should suffice. imho, this can also
help the generic command-carrying request jens is working on.
Signed-off-by: tejun heo <htejun@gmail.com>
Signed-Off-By: Jens Axboe <axboe@suse.de>
diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
index cf1822a..9bddb68 100644
--- a/drivers/block/cpqarray.c
+++ b/drivers/block/cpqarray.c
@@ -1036,7 +1036,7 @@
complete_buffers(cmd->rq->bio, ok);
DBGPX(printk("Done with %p\n", cmd->rq););
- end_that_request_last(cmd->rq);
+ end_that_request_last(cmd->rq, ok ? 1 : -EIO);
}
/*