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[PATCH] drivers/scsi/*: use time_after() and friends

Browse Source 
They deal with wrapping correctly and are nicer to read.

Signed-off-by: Marcelo Feitoza Parisi <marcelo@feitoza.com.br>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Marcelo Feitoza Parisi 2006-03-28 01:56:47 -08:00 committed by Linus Torvalds
parent 9bae1ff3e7
commit 60c904ae5b
5 changed files with 11 additions and 6 deletions
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3
drivers/scsi/BusLogic.c
View File

@ -41,6 +41,7 @@
#include <linux/stat.h>
#include <linux/pci.h>
#include <linux/spinlock.h>
#include <linux/jiffies.h>
#include <scsi/scsicam.h>
#include <asm/dma.h>
@ -2896,7 +2897,7 @@ static int BusLogic_QueueCommand(struct scsi_cmnd *Command, void (*CompletionRou
*/
if (HostAdapter->ActiveCommands[TargetID] == 0)
HostAdapter->LastSequencePoint[TargetID] = jiffies;
else if (jiffies - HostAdapter->LastSequencePoint[TargetID] > 4 * HZ) {
else if (time_after(jiffies, HostAdapter->LastSequencePoint[TargetID] + 4 * HZ)) {
HostAdapter->LastSequencePoint[TargetID] = jiffies;
QueueTag = BusLogic_OrderedQueueTag;
}

5
drivers/scsi/osst.c
View File

@ -49,6 +49,7 @@ static const char * osst_version = "0.99.4";
#include <linux/blkdev.h>
#include <linux/moduleparam.h>
#include <linux/delay.h>
#include <linux/jiffies.h>
#include <asm/uaccess.h>
#include <asm/dma.h>
#include <asm/system.h>
@ -856,7 +857,7 @@ static int osst_wait_frame(struct osst_tape * STp, struct osst_request ** aSRpnt
) && result >= 0)
{
#if DEBUG
if (debugging || jiffies - startwait >= 2*HZ/OSST_POLL_PER_SEC)
if (debugging || time_after_eq(jiffies, startwait + 2*HZ/OSST_POLL_PER_SEC))
printk (OSST_DEB_MSG
"%s:D: Succ wait f fr %i (>%i): %i-%i %i (%i): %3li.%li s\n",
name, curr, curr+minlast, STp->first_frame_position,
@ -867,7 +868,7 @@ static int osst_wait_frame(struct osst_tape * STp, struct osst_request ** aSRpnt
return 0;
}
#if DEBUG
if (jiffies - startwait >= 2*HZ/OSST_POLL_PER_SEC && notyetprinted)
if (time_after_eq(jiffies, startwait + 2*HZ/OSST_POLL_PER_SEC) && notyetprinted)
{
printk (OSST_DEB_MSG "%s:D: Wait for frame %i (>%i): %i-%i %i (%i)\n",
name, curr, curr+minlast, STp->first_frame_position,

3
drivers/scsi/ppa.c
View File

@ -18,6 +18,7 @@
#include <linux/parport.h>
#include <linux/workqueue.h>
#include <linux/delay.h>
#include <linux/jiffies.h>
#include <asm/io.h>
#include <scsi/scsi.h>
@ -726,7 +727,7 @@ static int ppa_engine(ppa_struct *dev, struct scsi_cmnd *cmd)
retv--;
if (retv) {
if ((jiffies - dev->jstart) > (1 * HZ)) {
if (time_after(jiffies, dev->jstart + (1 * HZ))) {
printk
("ppa: Parallel port cable is unplugged!!\n");
ppa_fail(dev, DID_BUS_BUSY);

3
drivers/scsi/qlogicfc.c
View File

@ -61,6 +61,7 @@
#include <linux/unistd.h>
#include <linux/spinlock.h>
#include <linux/interrupt.h>
#include <linux/jiffies.h>
#include <asm/io.h>
#include <asm/irq.h>
#include "scsi.h"
@ -1325,7 +1326,7 @@ static int isp2x00_queuecommand(Scsi_Cmnd * Cmnd, void (*done) (Scsi_Cmnd *))
cmd->control_flags = cpu_to_le16(CFLAG_READ);
if (Cmnd->device->tagged_supported) {
if ((jiffies - hostdata->tag_ages[Cmnd->device->id]) > (2 * ISP_TIMEOUT)) {
if (time_after(jiffies, hostdata->tag_ages[Cmnd->device->id] + (2 * ISP_TIMEOUT))) {
cmd->control_flags |= cpu_to_le16(CFLAG_ORDERED_TAG);
hostdata->tag_ages[Cmnd->device->id] = jiffies;
} else

3
drivers/scsi/qlogicpti.c
View File

@ -24,6 +24,7 @@
#include <linux/spinlock.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/jiffies.h>
#include <asm/byteorder.h>
@ -1017,7 +1018,7 @@ static inline void cmd_frob(struct Command_Entry *cmd, struct scsi_cmnd *Cmnd,
if (Cmnd->device->tagged_supported) {
if (qpti->cmd_count[Cmnd->device->id] == 0)
qpti->tag_ages[Cmnd->device->id] = jiffies;
if ((jiffies - qpti->tag_ages[Cmnd->device->id]) > (5*HZ)) {
if (time_after(jiffies, qpti->tag_ages[Cmnd->device->id] + (5*HZ))) {
cmd->control_flags = CFLAG_ORDERED_TAG;
qpti->tag_ages[Cmnd->device->id] = jiffies;
} else