diff options
author | Christoph Hellwig <hch@lst.de> | 2017-01-27 11:46:29 +0300 |
---|---|---|
committer | Jens Axboe <axboe@fb.com> | 2017-01-28 01:08:35 +0300 |
commit | 82ed4db499b8598f16f8871261bff088d6b0597f (patch) | |
tree | e1cc0a433bf5ae2b9723837291617bdfeeb61816 /drivers/ide/ide-park.c | |
parent | 8ae94eb65be9425af4d57a4f4cfebfdf03081e93 (diff) | |
download | linux-82ed4db499b8598f16f8871261bff088d6b0597f.tar.xz |
block: split scsi_request out of struct request
And require all drivers that want to support BLOCK_PC to allocate it
as the first thing of their private data. To support this the legacy
IDE and BSG code is switched to set cmd_size on their queues to let
the block layer allocate the additional space.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/ide/ide-park.c')
-rw-r--r-- | drivers/ide/ide-park.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/ide/ide-park.c b/drivers/ide/ide-park.c index 2d7dca56dd24..c37604a75097 100644 --- a/drivers/ide/ide-park.c +++ b/drivers/ide/ide-park.c @@ -32,8 +32,9 @@ static void issue_park_cmd(ide_drive_t *drive, unsigned long timeout) spin_unlock_irq(&hwif->lock); rq = blk_get_request(q, READ, __GFP_RECLAIM); - rq->cmd[0] = REQ_PARK_HEADS; - rq->cmd_len = 1; + scsi_req_init(rq); + scsi_req(rq)->cmd[0] = REQ_PARK_HEADS; + scsi_req(rq)->cmd_len = 1; rq->cmd_type = REQ_TYPE_DRV_PRIV; rq->special = &timeout; rc = blk_execute_rq(q, NULL, rq, 1); @@ -46,11 +47,12 @@ static void issue_park_cmd(ide_drive_t *drive, unsigned long timeout) * timeout has expired, so power management will be reenabled. */ rq = blk_get_request(q, READ, GFP_NOWAIT); + scsi_req_init(rq); if (IS_ERR(rq)) goto out; - rq->cmd[0] = REQ_UNPARK_HEADS; - rq->cmd_len = 1; + scsi_req(rq)->cmd[0] = REQ_UNPARK_HEADS; + scsi_req(rq)->cmd_len = 1; rq->cmd_type = REQ_TYPE_DRV_PRIV; elv_add_request(q, rq, ELEVATOR_INSERT_FRONT); @@ -64,7 +66,7 @@ ide_startstop_t ide_do_park_unpark(ide_drive_t *drive, struct request *rq) struct ide_taskfile *tf = &cmd.tf; memset(&cmd, 0, sizeof(cmd)); - if (rq->cmd[0] == REQ_PARK_HEADS) { + if (scsi_req(rq)->cmd[0] == REQ_PARK_HEADS) { drive->sleep = *(unsigned long *)rq->special; drive->dev_flags |= IDE_DFLAG_SLEEPING; tf->command = ATA_CMD_IDLEIMMEDIATE; |