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| author | Mike Anderson <andmike@linux.vnet.ibm.com> | 2008-09-13 20:31:27 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2008-10-09 08:56:13 +0200 |
| commit | 11914a53d2ec2974a565311af327b8983d8c820d (patch) | |
| tree | 72713d2661ed56fa5d9e29203541bad32c88a3ba /block/elevator.c | |
| parent | 242f9dcb8ba6f68fcd217a119a7648a4f69290e9 (diff) | |
| download | linux-11914a53d2ec2974a565311af327b8983d8c820d.tar.gz linux-11914a53d2ec2974a565311af327b8983d8c820d.tar.bz2 linux-11914a53d2ec2974a565311af327b8983d8c820d.zip | |
block: Add interface to abort queued requests
Signed-off-by: Mike Anderson <andmike@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'block/elevator.c')
| -rw-r--r-- | block/elevator.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/block/elevator.c b/block/elevator.c index a91fc59edd01..8a74eedc3530 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -914,6 +914,19 @@ int elv_may_queue(struct request_queue *q, int rw) return ELV_MQUEUE_MAY; } +void elv_abort_queue(struct request_queue *q) +{ + struct request *rq; + + while (!list_empty(&q->queue_head)) { + rq = list_entry_rq(q->queue_head.next); + rq->cmd_flags |= REQ_QUIET; + blk_add_trace_rq(q, rq, BLK_TA_ABORT); + end_queued_request(rq, 0); + } +} +EXPORT_SYMBOL(elv_abort_queue); + void elv_completed_request(struct request_queue *q, struct request *rq) { elevator_t *e = q->elevator; |