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| author | Tejun Heo <tj@kernel.org> | 2009-04-28 13:06:09 +0900 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2009-04-28 08:14:50 +0200 |
| commit | 4d6c84d91d1a539ebc47d1a36a35e9390ba11fdc (patch) | |
| tree | 62917c8a59bef037231ba0869a688651aba099dc | |
| parent | 044208506d35bd62396c4673176e2c12393905b8 (diff) | |
| download | linux-stable-4d6c84d91d1a539ebc47d1a36a35e9390ba11fdc.tar.gz linux-stable-4d6c84d91d1a539ebc47d1a36a35e9390ba11fdc.tar.bz2 linux-stable-4d6c84d91d1a539ebc47d1a36a35e9390ba11fdc.zip | |
ubd: cleanup completion path
ubd had its own block request partial completion mechanism, which is
unnecessary as block layer already does it. Kill ubd_end_request()
and ubd_finish() and replace them with direct call to
blk_end_request().
[ Impact: cleanup ]
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| -rw-r--r-- | arch/um/drivers/ubd_kern.c | 23 |
1 files changed, 1 insertions, 22 deletions
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index f934225fd8ef..36ca9fa89d05 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -451,23 +451,6 @@ static void do_ubd_request(struct request_queue * q); /* Only changed by ubd_init, which is an initcall. */ static int thread_fd = -1; - -static void ubd_end_request(struct request *req, int bytes, int error) -{ - blk_end_request(req, error, bytes); -} - -/* Callable only from interrupt context - otherwise you need to do - * spin_lock_irq()/spin_lock_irqsave() */ -static inline void ubd_finish(struct request *req, int bytes) -{ - if(bytes < 0){ - ubd_end_request(req, 0, -EIO); - return; - } - ubd_end_request(req, bytes, 0); -} - static LIST_HEAD(restart); /* XXX - move this inside ubd_intr. */ @@ -475,7 +458,6 @@ static LIST_HEAD(restart); static void ubd_handler(void) { struct io_thread_req *req; - struct request *rq; struct ubd *ubd; struct list_head *list, *next_ele; unsigned long flags; @@ -492,10 +474,7 @@ static void ubd_handler(void) return; } - rq = req->req; - rq->nr_sectors -= req->length >> 9; - if(rq->nr_sectors == 0) - ubd_finish(rq, rq->hard_nr_sectors << 9); + blk_end_request(req->req, 0, req->length); kfree(req); } reactivate_fd(thread_fd, UBD_IRQ); |