diff options
| author | Borislav Petkov <petkovbb@gmail.com> | 2009-05-01 21:21:02 +0200 |
|---|---|---|
| committer | Borislav Petkov <petkovbb@gmail.com> | 2009-05-15 06:44:02 +0200 |
| commit | 077e6dba20e74a455a0452379d2a965c7e1b01ad (patch) | |
| tree | 66b4a755d6e5941578d5a14b778b0734273343c5 /drivers/ide/ide-tape.c | |
| parent | ide-atapi: switch to blk_rq_bytes() on do_request() path (diff) | |
| download | linux-077e6dba20e74a455a0452379d2a965c7e1b01ad.tar.xz linux-077e6dba20e74a455a0452379d2a965c7e1b01ad.zip | |
ide-atapi: switch to rq->resid_len
Now that we have rq->resid_len, use it to account partial completion
amount during the lifetime of an rq, decrementing it on each successful
transfer. As a result, get rid of now unused pc->xferred.
While at it, remove noisy debug call in ide_prep_sense.
Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Diffstat (limited to 'drivers/ide/ide-tape.c')
| -rw-r--r-- | drivers/ide/ide-tape.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index aaeef12f80ad..c93370997972 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -301,11 +301,9 @@ static void idetape_analyze_error(ide_drive_t *drive, u8 *sense) debug_log(DBG_ERR, "pc = %x, sense key = %x, asc = %x, ascq = %x\n", pc->c[0], tape->sense_key, tape->asc, tape->ascq); - /* Correct pc->xferred by asking the tape. */ + /* correct remaining bytes to transfer */ if (pc->flags & PC_FLAG_DMA_ERROR) - pc->xferred = blk_rq_bytes(rq) - - tape->blk_size * - get_unaligned_be32(&sense[3]); + rq->resid_len = tape->blk_size * get_unaligned_be32(&sense[3]); /* * If error was the result of a zero-length read or write command, @@ -339,7 +337,7 @@ static void idetape_analyze_error(ide_drive_t *drive, u8 *sense) pc->flags |= PC_FLAG_ABORT; } if (!(pc->flags & PC_FLAG_ABORT) && - pc->xferred) + (blk_rq_bytes(rq) - rq->resid_len)) pc->retries = IDETAPE_MAX_PC_RETRIES + 1; } } @@ -369,7 +367,8 @@ static int ide_tape_callback(ide_drive_t *drive, int dsc) printk(KERN_ERR "ide-tape: Error in REQUEST SENSE " "itself - Aborting request!\n"); } else if (pc->c[0] == READ_6 || pc->c[0] == WRITE_6) { - int blocks = pc->xferred / tape->blk_size; + unsigned int blocks = + (blk_rq_bytes(rq) - rq->resid_len) / tape->blk_size; tape->avg_size += blocks * tape->blk_size; @@ -381,7 +380,6 @@ static int ide_tape_callback(ide_drive_t *drive, int dsc) } tape->first_frame += blocks; - rq->resid_len = blk_rq_bytes(rq) - blocks * tape->blk_size; if (pc->error) { uptodate = 0; |