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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-10-10 22:39:37 +0200
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-10-10 22:39:37 +0200
commit7645c1514c7d34ebdf3ea0e8ee3a935c08abceb2 (patch)
tree98e51341f3f1a259ca89baf7d2e83b7357dc8a22 /drivers/ide/ide-tape.c
parent7bf7420a318978cd6042e5a5da34b7cfa18ae559 (diff)
downloadlinux-7645c1514c7d34ebdf3ea0e8ee3a935c08abceb2.tar.bz2
ide: add ide_queue_pc_head() helper
* Move REQ_IDETAPE_* enums to <linux/ide.h>. * Add ide_queue_pc_head() and convert ide-{floppy,tape}.c to use it instead of ide*_queue_pc_head(). * Remove no longer used ide*_queue_pc_head(). There should be no functional changes caused by this patch. Acked-by: Borislav Petkov <petkovbb@gmail.com> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/ide-tape.c')
-rw-r--r--drivers/ide/ide-tape.c36
1 files changed, 1 insertions, 35 deletions
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 5c879fbcca87..7103b98eb53a 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -159,20 +159,6 @@ struct idetape_bh {
#define IDETAPE_LU_RETENSION_MASK 2
#define IDETAPE_LU_EOT_MASK 4
-/*
- * Special requests for our block device strategy routine.
- *
- * In order to service a character device command, we add special requests to
- * the tail of our block device request queue and wait for their completion.
- */
-
-enum {
- REQ_IDETAPE_PC1 = (1 << 0), /* packet command (first stage) */
- REQ_IDETAPE_PC2 = (1 << 1), /* packet command (second stage) */
- REQ_IDETAPE_READ = (1 << 2),
- REQ_IDETAPE_WRITE = (1 << 3),
-};
-
/* Error codes returned in rq->errors to the higher part of the driver. */
#define IDETAPE_ERROR_GENERAL 101
#define IDETAPE_ERROR_FILEMARK 102
@@ -613,26 +599,6 @@ static void idetape_create_request_sense_cmd(struct ide_atapi_pc *pc)
}
/*
- * Generate a new packet command request in front of the request queue, before
- * the current request, so that it will be processed immediately, on the next
- * pass through the driver.
- */
-static void idetape_queue_pc_head(ide_drive_t *drive, struct ide_atapi_pc *pc,
- struct request *rq)
-{
- struct ide_tape_obj *tape = drive->driver_data;
-
- blk_rq_init(NULL, rq);
- rq->cmd_type = REQ_TYPE_SPECIAL;
- rq->cmd_flags |= REQ_PREEMPT;
- rq->buffer = (char *) pc;
- rq->rq_disk = tape->disk;
- memcpy(rq->cmd, pc->c, 12);
- rq->cmd[13] = REQ_IDETAPE_PC1;
- ide_do_drive_cmd(drive, rq);
-}
-
-/*
* idetape_retry_pc is called when an error was detected during the
* last packet command. We queue a request sense packet command in
* the head of the request list.
@@ -646,7 +612,7 @@ static void idetape_retry_pc(ide_drive_t *drive)
(void)ide_read_error(drive);
idetape_create_request_sense_cmd(pc);
set_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags);
- idetape_queue_pc_head(drive, pc, rq);
+ ide_queue_pc_head(drive, tape->disk, pc, rq);
}
/*