[PATCH 06/10] ide: convert to rq pos and nr_sectors accessors

Tejun Heo
2009-04-29T09:22:44Z

ide doesn't manipulate request fields anymore and thus all hard and
their soft equivalents are always equal. Convert all references to
accessors.

[ Impact: use pos and nr_sectors accessors ]

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Cc: Borislav Petkov <petkovbb@googlemail.com>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
---
drivers/ide/ide-cd.c | 8 ++++----
drivers/ide/ide-disk.c | 8 ++++----
drivers/ide/ide-dma.c | 2 +-
drivers/ide/ide-floppy.c | 6 +++---
drivers/ide/ide-io.c | 4 ++--
drivers/ide/ide-lib.c | 2 +-
drivers/ide/ide-tape.c | 6 +++---
drivers/ide/ide-taskfile.c | 2 +-
drivers/ide/pdc202xx_old.c | 2 +-
drivers/ide/tc86c001.c | 2 +-
drivers/ide/tx4939ide.c | 2 +-
11 files changed, 22 insertions(+), 22 deletions(-)

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 182320d..eb4f3dc 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -775,8 +775,8 @@ static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq)
}

/* fs requests *must* be hardware frame aligned */
- if ((rq->nr_sectors & (sectors_per_frame - 1)) ||
- (rq->sector & (sectors_per_frame - 1)))
+ if ((blk_rq_sectors(rq) & (sectors_per_frame - 1)) ||
+ (blk_rq_pos(rq) & (sectors_per_frame - 1)))
return ide_stopped;

/* use DMA, if possible */
@@ -868,8 +868,8 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq,
cmd.rq = rq;

if (blk_fs_request(rq) || rq->data_len) {
- ide_init_sg_cmd(&cmd, blk_fs_request(rq) ? (rq->nr_sectors << 9)
- : rq->data_len);
+ ide_init_sg_cmd(&cmd, blk_fs_request(rq) ?
+ (blk_rq_sectors(rq) << 9) : rq->data_len);
ide_map_sg(drive, &cmd);
}

diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index c243880..ad18e14 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -82,7 +82,7 @@ static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
sector_t block)
{
ide_hwif_t *hwif = drive->hwif;
- u16 nsectors = (u16)rq->nr_sectors;
+ u16 nsectors = (u16)blk_rq_sectors(rq);
u8 lba48 = !!(drive->dev_flags & IDE_DFLAG_LBA48);
u8 dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA);
struct ide_cmd cmd;
@@ -90,7 +90,7 @@ static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
ide_startstop_t rc;

if ((hwif->host_flags & IDE_HFLAG_NO_LBA48_DMA) && lba48 && dma) {
- if (block + rq->nr_sectors > 1ULL << 28)
+ if (block + blk_rq_sectors(rq) > 1ULL << 28)
dma = 0;
else
lba48 = 0;
@@ -195,9 +195,9 @@ static ide_startstop_t ide_do_rw_disk(ide_drive_t *drive, struct request *rq,

ledtrig_ide_activity();

- pr_debug("%s: %sing: block=%llu, sectors=%lu, buffer=0x%08lx\n",
+ pr_debug("%s: %sing: block=%llu, sectors=%u, buffer=0x%08lx\n",
drive->name, rq_data_dir(rq) == READ ? "read" : "writ",
- (unsigned long long)block, rq->nr_sectors,
+ (unsigned long long)block, blk_rq_sectors(rq),
(unsigned long)rq->buffer);

if (hwif->rw_disk)
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index d9123ec..001f68f 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -103,7 +103,7 @@ ide_startstop_t ide_dma_intr(ide_drive_t *drive)
ide_finish_cmd(drive, cmd, stat);
else
ide_complete_rq(drive, 0,
- cmd->rq->nr_sectors << 9);
+ blk_rq_sectors(cmd->rq) << 9);
return ide_stopped;
}
printk(KERN_ERR "%s: %s: bad DMA status (0x%02x)\n",
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 537b7c5..1c460bd 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -194,7 +194,7 @@ static void idefloppy_create_rw_cmd(ide_drive_t *drive,
{
struct ide_disk_obj *floppy = drive->driver_data;
int block = sector / floppy->bs_factor;
- int blocks = rq->nr_sectors / floppy->bs_factor;
+ int blocks = blk_rq_sectors(rq) / floppy->bs_factor;
int cmd = rq_data_dir(rq);

ide_debug_log(IDE_DBG_FUNC, "block: %d, blocks: %d", block, blocks);
@@ -259,8 +259,8 @@ static ide_startstop_t ide_floppy_do_request(ide_drive_t *drive,
goto out_end;
}
if (blk_fs_request(rq)) {
- if (((long)rq->sector % floppy->bs_factor) ||
- (rq->nr_sectors % floppy->bs_factor)) {
+ if (((long)blk_rq_pos(rq) % floppy->bs_factor) ||
+ (blk_rq_sectors(rq) % floppy->bs_factor)) {
printk(KERN_ERR PFX "%s: unsupported r/w rq size\n",
drive->name);
goto out_end;
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index df23bcb..59799ca 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -279,7 +279,7 @@ static ide_startstop_t execute_drive_cmd (ide_drive_t *drive,

if (cmd) {
if (cmd->protocol == ATA_PROT_PIO) {
- ide_init_sg_cmd(cmd, rq->nr_sectors << 9);
+ ide_init_sg_cmd(cmd, blk_rq_sectors(rq) << 9);
ide_map_sg(drive, cmd);
}

@@ -387,7 +387,7 @@ static ide_startstop_t start_request (ide_drive_t *drive, struct request *rq)

drv = *(struct ide_driver **)rq->rq_disk->private_data;

- return drv->do_request(drive, rq, rq->sector);
+ return drv->do_request(drive, rq, blk_rq_pos(rq));
}
return do_special(drive);
kill_rq:
diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c
index 56ff8c4..05b7fbc 100644
--- a/drivers/ide/ide-lib.c
+++ b/drivers/ide/ide-lib.c
@@ -114,7 +114,7 @@ static void ide_dump_ata_error(ide_drive_t *drive, u8 err)

if (rq)
printk(KERN_CONT ", sector=%llu",
- (unsigned long long)rq->sector);
+ (unsigned long long)blk_rq_pos(rq));
}
printk(KERN_CONT "\n");
}
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 3813a0e..e166045 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -586,7 +586,7 @@ static void ide_tape_create_rw_cmd(idetape_tape_t *tape,
struct ide_atapi_pc *pc, struct request *rq,
u8 opcode)
{
- unsigned int length = rq->nr_sectors;
+ unsigned int length = blk_rq_sectors(rq);

ide_init_pc(pc);
put_unaligned(cpu_to_be32(length), (unsigned int *) &pc->c[1]);
@@ -617,8 +617,8 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive,
struct ide_cmd cmd;
u8 stat;

- debug_log(DBG_SENSE, "sector: %llu, nr_sectors: %lu\n"
- (unsigned long long)rq->sector, rq->nr_sectors);
+ debug_log(DBG_SENSE, "sector: %llu, nr_sectors: %u\n"
+ (unsigned long long)blk_rq_pos(rq), blk_rq_sectors(rq));

if (!(blk_special_request(rq) || blk_sense_request(rq))) {
/* We do not support buffer cache originated requests. */
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index f400eb4..a0c3e1b 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -385,7 +385,7 @@ out_end:
if ((cmd->tf_flags & IDE_TFLAG_FS) == 0)
ide_finish_cmd(drive, cmd, stat);
else
- ide_complete_rq(drive, 0, cmd->rq->nr_sectors << 9);
+ ide_complete_rq(drive, 0, blk_rq_sectors(cmd->rq) << 9);
return ide_stopped;
out_err:
ide_error_cmd(drive, cmd);
diff --git a/drivers/ide/pdc202xx_old.c b/drivers/ide/pdc202xx_old.c
index 248a54b..c2a16a8 100644
--- a/drivers/ide/pdc202xx_old.c
+++ b/drivers/ide/pdc202xx_old.c
@@ -177,7 +177,7 @@ static void pdc202xx_dma_start(ide_drive_t *drive)
u8 clock = inb(high_16 + 0x11);

outb(clock | (hwif->channel ? 0x08 : 0x02), high_16 + 0x11);
- word_count = (rq->nr_sectors << 8);
+ word_count = (blk_rq_sectors(rq) << 8);
word_count = (rq_data_dir(rq) == READ) ?
word_count | 0x05000000 :
word_count | 0x06000000;
diff --git a/drivers/ide/tc86c001.c b/drivers/ide/tc86c001.c
index b4cf42d..05a93d6 100644
--- a/drivers/ide/tc86c001.c
+++ b/drivers/ide/tc86c001.c
@@ -112,7 +112,7 @@ static void tc86c001_dma_start(ide_drive_t *drive)
ide_hwif_t *hwif = drive->hwif;
unsigned long sc_base = hwif->config_data;
unsigned long twcr_port = sc_base + (drive->dn ? 0x06 : 0x04);
- unsigned long nsectors = hwif->rq->nr_sectors;
+ unsigned long nsectors = blk_rq_sectors(hwif->rq);

/*
* We have to manually load the sector count and size into
diff --git a/drivers/ide/tx4939ide.c b/drivers/ide/tx4939ide.c
index 564422d..5ca7622 100644
--- a/drivers/ide/tx4939ide.c
+++ b/drivers/ide/tx4939ide.c
@@ -307,7 +307,7 @@ static int tx4939ide_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd)
tx4939ide_writew(SECTOR_SIZE / 2, base, drive->dn ?
TX4939IDE_Xfer_Cnt_2 : TX4939IDE_Xfer_Cnt_1);

- tx4939ide_writew(cmd->rq->nr_sectors, base, TX4939IDE_Sec_Cnt);
+ tx4939ide_writew(blk_rq_sectors(cmd->rq), base, TX4939IDE_Sec_Cnt);

return 0;
}
--
1.6.0.2