* Re: pdc4030.c doesn't compile in 2.5.38
2002-09-22 13:28 pdc4030.c doesn't compile in 2.5.38 Adrian Bunk
@ 2002-09-23 9:35 ` Jens Axboe
0 siblings, 0 replies; 2+ messages in thread
From: Jens Axboe @ 2002-09-23 9:35 UTC (permalink / raw)
To: Adrian Bunk; +Cc: linux-kernel
On Sun, Sep 22 2002, Adrian Bunk wrote:
>
> FYI:
>
> <-- snip -->
>
> ...
> gcc -Wp,-MD,./.pdc4030.o.d -D__KERNEL__
> -I/home/bunk/linux/kernel-2.5/linux-2.5.38-full/include -Wall
> -Wstrict-prototypes -Wno-trigraphs -O2 -fomit-frame-pointer
> -fno-strict-aliasing -fno-common -pipe -mpreferred-stack-boundary=2
> -march=k6 -I/home/bunk/linux/kernel-2.5/linux-2.5.38-full/arch/i386/mach-generic
> -nostdinc -iwithprefix include -I../ -DKBUILD_BASENAME=pdc4030 -c -o
> pdc4030.o pdc4030.c
> pdc4030.c: In function `promise_read_intr':
> pdc4030.c:465: too few arguments to function
> pdc4030.c: In function `promise_complete_pollfunc':
> pdc4030.c:542: too few arguments to function
> pdc4030.c: In function `promise_multwrite':
> pdc4030.c:587: structure has no member named `bh'
> pdc4030.c:593: structure has no member named `bh'
> pdc4030.c:594: dereferencing pointer to incomplete type
> pdc4030.c:596: dereferencing pointer to incomplete type
> pdc4030.c: In function `do_pdc4030_io':
> pdc4030.c:738: switch quantity not an integer
> pdc4030.c:793: warning: int format, pointer arg (arg 3)
> pdc4030.c:794: too few arguments to function
> pdc4030.c:741: warning: unreachable code at beginning of switch statement
> make[3]: *** [pdc4030.o] Error 1
> make[3]: Leaving directory `/home/bunk/linux/kernel-2.5/linux-2.5.38-full/drivers/ide/legacy'
# This is a BitKeeper generated patch for the following project:
# Project Name: Linux kernel tree
# This patch format is intended for GNU patch command version 2.5 or higher.
# This patch includes the following deltas:
# ChangeSet 1.600 -> 1.601
# drivers/ide/legacy/pdc4030.c 1.3 -> 1.4
#
# The following is the BitKeeper ChangeSet Log
# --------------------------------------------
# 02/09/23 axboe@burns.home.kernel.dk 1.601
# make pdc4030 work
# --------------------------------------------
#
diff -Nru a/drivers/ide/legacy/pdc4030.c b/drivers/ide/legacy/pdc4030.c
--- a/drivers/ide/legacy/pdc4030.c Mon Sep 23 11:34:33 2002
+++ b/drivers/ide/legacy/pdc4030.c Mon Sep 23 11:34:33 2002
@@ -462,7 +462,7 @@
rq->nr_sectors -= nsect;
total_remaining = rq->nr_sectors;
if ((rq->current_nr_sectors -= nsect) <= 0) {
- DRIVER(drive)->end_request(drive, 1);
+ DRIVER(drive)->end_request(drive, 1, 0);
}
/*
* Now the data has been read in, do the following:
@@ -539,7 +539,7 @@
#endif /* DEBUG_WRITE */
for (i = rq->nr_sectors; i > 0; ) {
i -= rq->current_nr_sectors;
- DRIVER(drive)->end_request(drive, 1);
+ DRIVER(drive)->end_request(drive, 1, 0);
}
return ide_stopped;
}
@@ -584,16 +584,24 @@
/* Do we move to the next bh after this? */
if (!rq->current_nr_sectors) {
- struct buffer_head *bh = rq->bh->b_reqnext;
+ struct bio *bio = rq->bio;
+
+ /*
+ * only move to next bio, when we have processed
+ * all bvecs in this one.
+ */
+ if (++bio->bi_idx >= bio->bi_vcnt) {
+ bio->bi_idx = 0;
+ bio = bio->bi_next;
+ }
/* end early early we ran out of requests */
- if (!bh) {
+ if (!bio) {
mcount = 0;
} else {
- rq->bh = bh;
- rq->current_nr_sectors = bh->b_size >> 9;
+ rq->bio = bio;
+ rq->current_nr_sectors = bio_iovec(bio)->bv_len >> 9;
rq->hard_cur_sectors = rq->current_nr_sectors;
- rq->buffer = bh->b_data;
}
}
@@ -720,6 +728,12 @@
unsigned long timeout;
u8 stat = 0;
+ if (!blk_fs_request(rq)) {
+ blk_dump_rq_flags(rq, "do_pdc4030_io - bad command");
+ DRIVER(drive)->end_request(drive, 0, 0);
+ return ide_stopped;
+ }
+
#ifdef CONFIG_IDE_TASKFILE_IO
if (IDE_CONTROL_REG)
HWIF(drive)->OUTB(drive->ctl, IDE_CONTROL_REG); /* clear nIEN */
@@ -735,8 +749,7 @@
HWIF(drive)->OUTB(taskfile->command, IDE_COMMAND_REG);
#endif /* CONFIG_IDE_TASKFILE_IO */
- switch(rq->cmd) {
- case READ:
+ if (rq_data_dir(rq) == READ) {
#ifndef CONFIG_IDE_TASKFILE_IO
HWIF(drive)->OUTB(PROMISE_READ, IDE_COMMAND_REG);
#endif /* CONFIG_IDE_TASKFILE_IO */
@@ -774,7 +787,7 @@
printk(KERN_ERR "%s: reading: No DRQ and not "
"waiting - Odd!\n", drive->name);
return ide_stopped;
- case WRITE:
+ } else {
#ifndef CONFIG_IDE_TASKFILE_IO
HWIF(drive)->OUTB(PROMISE_WRITE, IDE_COMMAND_REG);
#endif /* CONFIG_IDE_TASKFILE_IO */
@@ -788,11 +801,6 @@
local_irq_disable();
HWGROUP(drive)->wrq = *rq; /* scratchpad */
return promise_write(drive);
- default:
- printk("KERN_WARNING %s: bad command: %d\n",
- drive->name, rq->cmd);
- DRIVER(drive)->end_request(drive, 0);
- return ide_stopped;
}
}
--
Jens Axboe
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