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ide: keep track of number of bytes instead of sectors in struct ide_cmd

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* Pass number of bytes instead of sectors to ide_init_sg_cmd().

* Pass number of bytes to process to ide_pio_sector() and rename
  it to ide_pio_bytes().

* Rename ->nsect field to ->nbytes in struct ide_cmd and use
  ->nbytes, ->nleft and ->cursg_ofs to keep track of number of
  bytes instead of sectors.

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz
2009-03-27 12:46:47 +01:00
parent 35b5d0be3d
commit bf717c0a2e
5 changed files with 24 additions and 24 deletions
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4
drivers/ide/ide-disk.c
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@@ -152,7 +152,7 @@ static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
cmd.rq = rq;
if (dma == 0) {
ide_init_sg_cmd(&cmd, nsectors);
ide_init_sg_cmd(&cmd, nsectors << 9);
ide_map_sg(drive, &cmd);
}
@@ -162,7 +162,7 @@ static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
/* fallback to PIO */
cmd.tf_flags |= IDE_TFLAG_DMA_PIO_FALLBACK;
ide_tf_set_cmd(drive, &cmd, 0);
ide_init_sg_cmd(&cmd, nsectors);
ide_init_sg_cmd(&cmd, nsectors << 9);
rc = do_rw_taskfile(drive, &cmd);
}