diff options
| author |   Borislav Petkov <petkovbb@googlemail.com> | 2008-07-23 19:56:00 +0200 |
|---|---|---|
| committer |   Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-07-23 19:56:00 +0200 |
| commit | 83dd573513471c67f9cc93a88795c25a91ebf4b3 (patch) | |
| tree | db90247d658de714477bcf27cd6b2018180e44fc /drivers/ide | |
| parent | ide-floppy: pass packet command in rq->cmd (diff) | |
| download | linux-dev-83dd573513471c67f9cc93a88795c25a91ebf4b3.tar.xz linux-dev-83dd573513471c67f9cc93a88795c25a91ebf4b3.zip | |
ide-tape: make room for packet command ids in rq->cmd
ide-tape uses rq->cmd for special commands from the chrdev interface so move
those to byte 13 (BLK_MAX_CDB = 16) since a packet cmd is max 12 bytes.
There should be no functionality change resulting from this patch.
Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide')
| -rw-r--r-- | drivers/ide/ide-tape.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 38ca7b1b7cf9..f43ffb88d844 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -703,7 +703,7 @@ static void idetape_init_rq(struct request *rq, u8 cmd) { blk_rq_init(NULL, rq); rq->cmd_type = REQ_TYPE_SPECIAL; - rq->cmd[0] = cmd; + rq->cmd[13] = cmd; } /* @@ -1019,7 +1019,7 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive, */ stat = hwif->tp_ops->read_status(hwif); - if (!drive->dsc_overlap && !(rq->cmd[0] & REQ_IDETAPE_PC2)) + if (!drive->dsc_overlap && !(rq->cmd[13] & REQ_IDETAPE_PC2)) set_bit(IDETAPE_FLAG_IGNORE_DSC, &tape->flags); if (drive->post_reset == 1) { @@ -1036,7 +1036,7 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive, } else if (time_after(jiffies, tape->dsc_timeout)) { printk(KERN_ERR "ide-tape: %s: DSC timeout\n", tape->name); - if (rq->cmd[0] & REQ_IDETAPE_PC2) { + if (rq->cmd[13] & REQ_IDETAPE_PC2) { idetape_media_access_finished(drive); return ide_stopped; } else { @@ -1049,27 +1049,27 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive, idetape_postpone_request(drive); return ide_stopped; } - if (rq->cmd[0] & REQ_IDETAPE_READ) { + if (rq->cmd[13] & REQ_IDETAPE_READ) { pc = idetape_next_pc_storage(drive); ide_tape_create_rw_cmd(tape, pc, rq->current_nr_sectors, (struct idetape_bh *)rq->special, READ_6); goto out; } - if (rq->cmd[0] & REQ_IDETAPE_WRITE) { + if (rq->cmd[13] & REQ_IDETAPE_WRITE) { pc = idetape_next_pc_storage(drive); ide_tape_create_rw_cmd(tape, pc, rq->current_nr_sectors, (struct idetape_bh *)rq->special, WRITE_6); goto out; } - if (rq->cmd[0] & REQ_IDETAPE_PC1) { + if (rq->cmd[13] & REQ_IDETAPE_PC1) { pc = (struct ide_atapi_pc *) rq->buffer; - rq->cmd[0] &= ~(REQ_IDETAPE_PC1); - rq->cmd[0] |= REQ_IDETAPE_PC2; + rq->cmd[13] &= ~(REQ_IDETAPE_PC1); + rq->cmd[13] |= REQ_IDETAPE_PC2; goto out; } - if (rq->cmd[0] & REQ_IDETAPE_PC2) { + if (rq->cmd[13] & REQ_IDETAPE_PC2) { idetape_media_access_finished(drive); return ide_stopped; } @@ -1281,7 +1281,7 @@ static int idetape_queue_pc_tail(ide_drive_t *drive, struct ide_atapi_pc *pc) rq = blk_get_request(drive->queue, READ, __GFP_WAIT); rq->cmd_type = REQ_TYPE_SPECIAL; - rq->cmd[0] = REQ_IDETAPE_PC1; + rq->cmd[13] = REQ_IDETAPE_PC1; rq->buffer = (char *)pc; error = blk_execute_rq(drive->queue, tape->disk, rq, 0); blk_put_request(rq); @@ -1465,7 +1465,7 @@ static int idetape_queue_rw_tail(ide_drive_t *drive, int cmd, int blocks, rq = blk_get_request(drive->queue, READ, __GFP_WAIT); rq->cmd_type = REQ_TYPE_SPECIAL; - rq->cmd[0] = cmd; + rq->cmd[13] = cmd; rq->rq_disk = tape->disk; rq->special = (void *)bh; rq->sector = tape->first_frame; |