Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=31cb2120270cb43403428de67d8cb5caeb58dfd2
Commit: 31cb2120270cb43403428de67d8cb5caeb58dfd2
Parent: 56efa7b0e437808d367a92f7820b3aba930c230d
Author: Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
AuthorDate: Mon Feb 11 00:32:14 2008 +0100
Committer: Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
CommitDate: Mon Feb 11 00:32:14 2008 +0100
ide-tape: remove never executed code
rq->cmd[0] is never set to REQ_IDETAPE_READ_BUFFER so remove
REQ_IDETAPE_READ_BUFFER handling from idetape_create_write_cmd()
and the define itself.
Then remove no longer used idetape_create_read_buffer_cmd()
and IDETAPE_RETRIEVE_FAULTY_BLOCK define.
There should be no functional changes caused by this patch.
Cc: Borislav Petkov <[EMAIL PROTECTED]>
Acked-by: Sergei Shtylyov <[EMAIL PROTECTED]>
Signed-off-by: Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
---
drivers/ide/ide-tape.c | 34 ----------------------------------
1 files changed, 0 insertions(+), 34 deletions(-)
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 49dd2e7..0598ecf 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -466,9 +466,6 @@ static void ide_tape_put(struct ide_tape_obj *tape)
/* 0 = no tape is loaded, so we don't rewind after ejecting */
#define IDETAPE_MEDIUM_PRESENT 9
-/* A define for the READ BUFFER command */
-#define IDETAPE_RETRIEVE_FAULTY_BLOCK 6
-
/* Some defines for the SPACE command */
#define IDETAPE_SPACE_OVER_FILEMARK 1
#define IDETAPE_SPACE_TO_EOD 3
@@ -490,7 +487,6 @@ enum {
REQ_IDETAPE_PC2 = (1 << 1), /* packet command (second stage) */
REQ_IDETAPE_READ = (1 << 2),
REQ_IDETAPE_WRITE = (1 << 3),
- REQ_IDETAPE_READ_BUFFER = (1 << 4),
};
/* Error codes returned in rq->errors to the higher part of the driver. */
@@ -1523,29 +1519,6 @@ static void idetape_create_read_cmd(idetape_tape_t
*tape, idetape_pc_t *pc,
set_bit(PC_DMA_RECOMMENDED, &pc->flags);
}
-static void idetape_create_read_buffer_cmd(idetape_tape_t *tape,
- idetape_pc_t *pc, struct idetape_bh *bh)
-{
- int size = 32768;
- struct idetape_bh *p = bh;
-
- idetape_init_pc(pc);
- pc->c[0] = READ_BUFFER;
- pc->c[1] = IDETAPE_RETRIEVE_FAULTY_BLOCK;
- pc->c[7] = size >> 8;
- pc->c[8] = size & 0xff;
- pc->callback = &idetape_pc_callback;
- pc->bh = bh;
- atomic_set(&bh->b_count, 0);
- pc->buffer = NULL;
- while (p) {
- atomic_set(&p->b_count, 0);
- p = p->b_reqnext;
- }
- pc->request_transfer = size;
- pc->buffer_size = size;
-}
-
static void idetape_create_write_cmd(idetape_tape_t *tape, idetape_pc_t *pc,
unsigned int length, struct idetape_bh *bh)
{
@@ -1655,13 +1628,6 @@ static ide_startstop_t idetape_do_request(ide_drive_t
*drive,
(struct idetape_bh *)rq->special);
goto out;
}
- if (rq->cmd[0] & REQ_IDETAPE_READ_BUFFER) {
- tape->postpone_cnt = 0;
- pc = idetape_next_pc_storage(drive);
- idetape_create_read_buffer_cmd(tape, pc,
- (struct idetape_bh *)rq->special);
- goto out;
- }
if (rq->cmd[0] & REQ_IDETAPE_PC1) {
pc = (idetape_pc_t *) rq->buffer;
rq->cmd[0] &= ~(REQ_IDETAPE_PC1);
-
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