pluto: use wait_for_completion_timeout
PATCH 1/1 pluto: use wait_for_completion_timeout
Index: linux-2.6/drivers/scsi/pluto.c
=================================--- linux-2.6.orig/drivers/scsi/pluto.c 2007-05-13 16:43:25.000000000 +0200
+++ linux-2.6/drivers/scsi/pluto.c 2007-05-13 16:46:31.000000000 +0200
@@ -4,6 +4,7 @@
*
*/
+#include <linux/completion.h>
#include <linux/kernel.h>
#include <linux/delay.h>
#include <linux/types.h>
@@ -50,16 +51,10 @@ static struct ctrl_inquiry {
} *fcs __initdata;
static int fcscount __initdata = 0; static atomic_t fcss __initdata = ATOMIC_INIT(0);
-DECLARE_MUTEX_LOCKED(fc_sem);
+static DECLARE_COMPLETION(fc_detect_complete);
static int pluto_encode_addr(Scsi_Cmnd *SCpnt, u16 *addr, fc_channel *fc, fcp_cmnd *fcmd);
-static void __init pluto_detect_timeout(unsigned long data) -{
- PLND(("Timeout\n"))
- up(&fc_sem);
-}
-
static void __init pluto_detect_done(Scsi_Cmnd *SCpnt) {
/* Do nothing */
@@ -69,7 +64,7 @@ static void __init pluto_detect_scsi_don
{
PLND(("Detect done %08lx\n", (long)SCpnt)) if (atomic_dec_and_test (&fcss))
- up(&fc_sem);
+ complete(&fc_detect_complete);
}
int pluto_slave_configure(struct scsi_device *device)
@@ -96,7 +91,6 @@ int __init pluto_detect(struct scsi_host
int i, retry, nplutos;
fc_channel *fc;
struct scsi_device dev;
- DEFINE_TIMER(fc_timer, pluto_detect_timeout, 0, 0);
tpnt->proc_name = "pluto";
fcscount = 0;
@@ -187,15 +181,11 @@ int __init pluto_detect(struct scsi_host
}
}
- fc_timer.expires = jiffies + 10 * HZ;
- add_timer(&fc_timer);
-
- down(&fc_sem);
+ wait_for_completion_timeout(&fc_detect_complete, 10 * HZ);
PLND(("Woken up\n"))
if (!atomic_read(&fcss))
break; /* All fc channels have answered us */
}
- del_timer_sync(&fc_timer);
PLND(("Finished search\n"))
for (i = 0, nplutos = 0; i < fcscount; i++) {
David Miller
AppliedFrom: Christoph Hellwig <[email protected]>
Date: Sun, 13 May 2007 17:49:02 +0200
Quoted 1 line
Signed-off-by Christoph Hellwig <[email protected]>
Applied, thanks!
ping?
Quoted 56 lines · Christoph Hellwig
Signed-off-by Christoph Hellwig <[email protected]>Index:
linux-2.6/drivers/scsi/pluto.c
=================================> ---linux-2.6.orig/drivers/scsi/pluto.c2007-05-13 16:43:25.000000000 +0200
+++linux-2.6/drivers/scsi/pluto.c2007-05-13 16:46:31.000000000 +0200(quoted diff) +3
-12@@ -4,6 +4,7 @@ * */ +#include <linux/completion.h> #include <linux/kernel.h> #include <linux/delay.h> #include <linux/types.h>@@ -50,16 +51,10 @@ static struct ctrl_inquiry { } *fcs __initdata; static int fcscount __initdata = 0; static atomic_t fcss __initdata = ATOMIC_INIT(0); -DECLARE_MUTEX_LOCKED(fc_sem); +static DECLARE_COMPLETION(fc_detect_complete); static int pluto_encode_addr(Scsi_Cmnd *SCpnt, u16 *addr, fc_channel *fc, fcp_cmnd *fcmd); -static void __init pluto_detect_timeout(unsigned long data) -{ - PLND(("Timeout\n")) - up(&fc_sem); -} - static void __init pluto_detect_done(Scsi_Cmnd *SCpnt) { /* Do nothing */@@ -69,7 +64,7 @@ static void __init pluto_detect_scsi_don { PLND(("Detect done %08lx\n", (long)SCpnt)) if (atomic_dec_and_test (&fcss)) - up(&fc_sem); + complete(&fc_detect_complete); } int pluto_slave_configure(struct scsi_device *device)@@ -96,7 +91,6 @@ int __init pluto_detect(struct scsi_host int i, retry, nplutos; fc_channel *fc; struct scsi_device dev; - DEFINE_TIMER(fc_timer, pluto_detect_timeout, 0, 0); tpnt->proc_name = "pluto"; fcscount = 0;@@ -187,15 +181,11 @@ int __init pluto_detect(struct scsi_host } } - fc_timer.expires = jiffies + 10 * HZ; - add_timer(&fc_timer); -
Review int __init pluto_detect(struct scsi_host · line 191
Quoted 10 lines
(quoted diff) +1
-2- down(&fc_sem); + wait_for_completion_timeout(&fc_detect_complete, 10 * HZ); PLND(("Woken up\n")) if (!atomic_read(&fcss)) break; /* All fc channels have answered us */ } - del_timer_sync(&fc_timer); PLND(("Finished search\n")) for (i = 0, nplutos = 0; i < fcscount; i++) {
---end quoted text---
Quoted 1 line · Christoph Hellwig
ping?
Sorry for the noise, it's actually in. I looked at the wrong tree.