scsi: Introduce a help function local_time_seconds() to simplify the getting time stamp operation

PATCH Superseded Gu Zheng 2 participants 4 messages May 29, 2013 – Jun 4, 2013

Subsystems (2)

SCSI 3WARE SAS/SATA-RAID SCSI drivers (3W-xxxx, 3W-9XXX, 3W-SAS)

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Gu Zheng

author

2013-05-29 09:33 UTC #0 lore raw

PATCH 1/1 scsi: Introduce a help function local_time_seconds() to simplify the getting time stamp operation

Quoted 1 line

From 4d4caa16f3886ae910ad6dfe13353fc836f546cc Mon Sep 17 00:00:00 2001

From: Gu Zheng <[email protected]>
Date: Wed, 29 May 2013 17:34:22 +0900
Subject: [PATCH] driver/scsi: Introduce a help function local_time_seconds() to simplify the getting time stamp operation

Signed-off-by Gu Zheng <[email protected]>

---
 drivers/scsi/3w-9xxx.c |   14 ++------------
 drivers/scsi/3w-sas.c  |   14 ++------------
 include/scsi/scsi.h    |    9 +++++++++
 3 files changed, 13 insertions(+), 24 deletions(-)

drivers/scsi/3w-9xxx.c +2 ~~-12~~

index 5e1e12c..44b3ea8 100644
@@ -374,8 +374,6 @@ out:
 /* This function will queue an event */
 static void twa_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_Header *header)
 {
-	u32 local_time;
-	struct timeval time;
 	TW_Event *event;
 	unsigned short aen;
 	char host[16];

@@ -398,9 +396,7 @@ static void twa_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_H
 	memset(event, 0, sizeof(TW_Event));
 
 	event->severity = TW_SEV_OUT(header->status_block.severity__reserved);
-	do_gettimeofday(&time);
-	local_time = (u32)(time.tv_sec - (sys_tz.tz_minuteswest * 60));
-	event->time_stamp_sec = local_time;
+	event->time_stamp_sec = local_time_seconds();
 	event->aen_code = aen;
 	event->retrieved = TW_AEN_NOT_RETRIEVED;
 	event->sequence_id = tw_dev->error_sequence_id;

@@ -479,11 +475,9 @@ out:
 static void twa_aen_sync_time(TW_Device_Extension *tw_dev, int request_id)
 {
 	u32 schedulertime;
-	struct timeval utc;
 	TW_Command_Full *full_command_packet;
 	TW_Command *command_packet;
 	TW_Param_Apache *param;
-	u32 local_time;
 
 	/* Fill out the command packet */
 	full_command_packet = tw_dev->command_packet_virt[request_id];

@@ -503,11 +497,7 @@ static void twa_aen_sync_time(TW_Device_Extension *tw_dev, int request_id)
 	param->parameter_id = cpu_to_le16(0x3); /* SchedulerTime */
 	param->parameter_size_bytes = cpu_to_le16(4);
 
-	/* Convert system time in UTC to local time seconds since last 
-           Sunday 12:00AM */
-	do_gettimeofday(&utc);
-	local_time = (u32)(utc.tv_sec - (sys_tz.tz_minuteswest * 60));
-	schedulertime = local_time - (3 * 86400);
+	schedulertime = local_time_seconds() - (3 * 86400);
 	schedulertime = cpu_to_le32(schedulertime % 604800);
 
 	memcpy(param->data, &schedulertime, sizeof(u32));

drivers/scsi/3w-sas.c +2 ~~-12~~

index c845bdb..69f1d8a 100644
@@ -236,8 +236,6 @@ out:
 /* This function will queue an event */
 static void twl_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_Header *header)
 {
-	u32 local_time;
-	struct timeval time;
 	TW_Event *event;
 	unsigned short aen;
 	char host[16];

@@ -256,9 +254,7 @@ static void twl_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_H
 	memset(event, 0, sizeof(TW_Event));
 
 	event->severity = TW_SEV_OUT(header->status_block.severity__reserved);
-	do_gettimeofday(&time);
-	local_time = (u32)(time.tv_sec - (sys_tz.tz_minuteswest * 60));
-	event->time_stamp_sec = local_time;
+	event->time_stamp_sec = local_time_seconds();
 	event->aen_code = aen;
 	event->retrieved = TW_AEN_NOT_RETRIEVED;
 	event->sequence_id = tw_dev->error_sequence_id;

@@ -444,11 +440,9 @@ out:
 static void twl_aen_sync_time(TW_Device_Extension *tw_dev, int request_id)
 {
 	u32 schedulertime;
-	struct timeval utc;
 	TW_Command_Full *full_command_packet;
 	TW_Command *command_packet;
 	TW_Param_Apache *param;
-	u32 local_time;
 
 	/* Fill out the command packet */
 	full_command_packet = tw_dev->command_packet_virt[request_id];

@@ -468,11 +462,7 @@ static void twl_aen_sync_time(TW_Device_Extension *tw_dev, int request_id)
 	param->parameter_id = cpu_to_le16(0x3); /* SchedulerTime */
 	param->parameter_size_bytes = cpu_to_le16(4);
 
-	/* Convert system time in UTC to local time seconds since last 
-           Sunday 12:00AM */
-	do_gettimeofday(&utc);
-	local_time = (u32)(utc.tv_sec - (sys_tz.tz_minuteswest * 60));
-	schedulertime = local_time - (3 * 86400);
+	schedulertime = local_time_seconds() - (3 * 86400);
 	schedulertime = cpu_to_le32(schedulertime % 604800);
 
 	memcpy(param->data, &schedulertime, sizeof(u32));

include/scsi/scsi.h +9 -0

index 66216c1..f3377ca 100644
@@ -574,4 +574,13 @@ static inline __u32 scsi_to_u32(__u8 *ptr)
 	return (ptr[0]<<24) + (ptr[1]<<16) + (ptr[2]<<8) + ptr[3];
 }
 
+/*
+ * Convert system time in UTC to local time seconds.
+ */
+static inline u32 local_time_seconds(void)
+{
+	struct timeval utc;
+	do_gettimeofday(&utc);
+	return (u32)(utc.tv_sec - (sys_tz.tz_minuteswest * 60));
+}
 #endif /* _SCSI_SCSI_H */

Signature · 1 line

1.7.7

Libo Chen

2013-05-30 03:01 UTC #1 lore raw

Quoted 5 lines · Gu Zheng

Quoted 1 line
From 4d4caa16f3886ae910ad6dfe13353fc836f546cc Mon Sep 17 00:00:00 2001
From: Gu Zheng <[email protected]>
Date: Wed, 29 May 2013 17:34:22 +0900
Subject: [PATCH] driver/scsi: Introduce a help function local_time_seconds() to simplify the getting time stamp operation

hi gu,

next time, you can remove above info.

thanks,

Libo

Quoted 124 lines

Signed-off-by Gu Zheng <[email protected]>

---
 drivers/scsi/3w-9xxx.c |   14 ++------------
 drivers/scsi/3w-sas.c  |   14 ++------------
 include/scsi/scsi.h    |    9 +++++++++
 3 files changed, 13 insertions(+), 24 deletions(-)

drivers/scsi/3w-9xxx.c +2 ~~-12~~

index 5e1e12c..44b3ea8 100644
@@ -374,8 +374,6 @@ out:
 /* This function will queue an event */
 static void twa_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_Header *header)
 {
-	u32 local_time;
-	struct timeval time;
 	TW_Event *event;
 	unsigned short aen;
 	char host[16];

@@ -398,9 +396,7 @@ static void twa_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_H
 	memset(event, 0, sizeof(TW_Event));
 
 	event->severity = TW_SEV_OUT(header->status_block.severity__reserved);
-	do_gettimeofday(&time);
-	local_time = (u32)(time.tv_sec - (sys_tz.tz_minuteswest * 60));
-	event->time_stamp_sec = local_time;
+	event->time_stamp_sec = local_time_seconds();
 	event->aen_code = aen;
 	event->retrieved = TW_AEN_NOT_RETRIEVED;
 	event->sequence_id = tw_dev->error_sequence_id;

@@ -479,11 +475,9 @@ out:
 static void twa_aen_sync_time(TW_Device_Extension *tw_dev, int request_id)
 {
 	u32 schedulertime;
-	struct timeval utc;
 	TW_Command_Full *full_command_packet;
 	TW_Command *command_packet;
 	TW_Param_Apache *param;
-	u32 local_time;
 
 	/* Fill out the command packet */
 	full_command_packet = tw_dev->command_packet_virt[request_id];

@@ -503,11 +497,7 @@ static void twa_aen_sync_time(TW_Device_Extension *tw_dev, int request_id)
 	param->parameter_id = cpu_to_le16(0x3); /* SchedulerTime */
 	param->parameter_size_bytes = cpu_to_le16(4);
 
-	/* Convert system time in UTC to local time seconds since last 
-           Sunday 12:00AM */
-	do_gettimeofday(&utc);
-	local_time = (u32)(utc.tv_sec - (sys_tz.tz_minuteswest * 60));
-	schedulertime = local_time - (3 * 86400);
+	schedulertime = local_time_seconds() - (3 * 86400);
 	schedulertime = cpu_to_le32(schedulertime % 604800);
 
 	memcpy(param->data, &schedulertime, sizeof(u32));

drivers/scsi/3w-sas.c +2 ~~-12~~

index c845bdb..69f1d8a 100644
@@ -236,8 +236,6 @@ out:
 /* This function will queue an event */
 static void twl_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_Header *header)
 {
-	u32 local_time;
-	struct timeval time;
 	TW_Event *event;
 	unsigned short aen;
 	char host[16];

@@ -256,9 +254,7 @@ static void twl_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_H
 	memset(event, 0, sizeof(TW_Event));
 
 	event->severity = TW_SEV_OUT(header->status_block.severity__reserved);
-	do_gettimeofday(&time);
-	local_time = (u32)(time.tv_sec - (sys_tz.tz_minuteswest * 60));
-	event->time_stamp_sec = local_time;
+	event->time_stamp_sec = local_time_seconds();
 	event->aen_code = aen;
 	event->retrieved = TW_AEN_NOT_RETRIEVED;
 	event->sequence_id = tw_dev->error_sequence_id;

@@ -444,11 +440,9 @@ out:
 static void twl_aen_sync_time(TW_Device_Extension *tw_dev, int request_id)
 {
 	u32 schedulertime;
-	struct timeval utc;
 	TW_Command_Full *full_command_packet;
 	TW_Command *command_packet;
 	TW_Param_Apache *param;
-	u32 local_time;
 
 	/* Fill out the command packet */
 	full_command_packet = tw_dev->command_packet_virt[request_id];

@@ -468,11 +462,7 @@ static void twl_aen_sync_time(TW_Device_Extension *tw_dev, int request_id)
 	param->parameter_id = cpu_to_le16(0x3); /* SchedulerTime */
 	param->parameter_size_bytes = cpu_to_le16(4);
 
-	/* Convert system time in UTC to local time seconds since last 
-           Sunday 12:00AM */
-	do_gettimeofday(&utc);
-	local_time = (u32)(utc.tv_sec - (sys_tz.tz_minuteswest * 60));
-	schedulertime = local_time - (3 * 86400);
+	schedulertime = local_time_seconds() - (3 * 86400);
 	schedulertime = cpu_to_le32(schedulertime % 604800);
 
 	memcpy(param->data, &schedulertime, sizeof(u32));

include/scsi/scsi.h +9 -0

index 66216c1..f3377ca 100644
@@ -574,4 +574,13 @@ static inline __u32 scsi_to_u32(__u8 *ptr)
 	return (ptr[0]<<24) + (ptr[1]<<16) + (ptr[2]<<8) + ptr[3];
 }
 
+/*
+ * Convert system time in UTC to local time seconds.
+ */
+static inline u32 local_time_seconds(void)
+{
+	struct timeval utc;
+	do_gettimeofday(&utc);
+	return (u32)(utc.tv_sec - (sys_tz.tz_minuteswest * 60));
+}
 #endif /* _SCSI_SCSI_H */

Gu Zheng

author

2013-05-30 03:28 UTC #2 lore raw

Quoted 9 lines · Libo Chen

Quoted 5 lines · Gu Zheng
Quoted 1 line
From 4d4caa16f3886ae910ad6dfe13353fc836f546cc Mon Sep 17 00:00:00 2001
From: Gu Zheng <[email protected]>
Date: Wed, 29 May 2013 17:34:22 +0900
Subject: [PATCH] driver/scsi: Introduce a help function local_time_seconds() to simplify the getting time stamp operation
hi gu,
next time, you can remove above info.

Ah~, I forgot to clean up the unnecessary title infos, thanks for your reminder.

Regards,
Gu

Quoted 134 lines

thanks,

Libo

Quoted 124 lines

Signed-off-by Gu Zheng <[email protected]>

---
 drivers/scsi/3w-9xxx.c |   14 ++------------
 drivers/scsi/3w-sas.c  |   14 ++------------
 include/scsi/scsi.h    |    9 +++++++++
 3 files changed, 13 insertions(+), 24 deletions(-)

drivers/scsi/3w-9xxx.c +2 ~~-12~~

index 5e1e12c..44b3ea8 100644
@@ -374,8 +374,6 @@ out:
 /* This function will queue an event */
 static void twa_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_Header *header)
 {
-	u32 local_time;
-	struct timeval time;
 	TW_Event *event;
 	unsigned short aen;
 	char host[16];

@@ -398,9 +396,7 @@ static void twa_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_H
 	memset(event, 0, sizeof(TW_Event));
 
 	event->severity = TW_SEV_OUT(header->status_block.severity__reserved);
-	do_gettimeofday(&time);
-	local_time = (u32)(time.tv_sec - (sys_tz.tz_minuteswest * 60));
-	event->time_stamp_sec = local_time;
+	event->time_stamp_sec = local_time_seconds();
 	event->aen_code = aen;
 	event->retrieved = TW_AEN_NOT_RETRIEVED;
 	event->sequence_id = tw_dev->error_sequence_id;

@@ -479,11 +475,9 @@ out:
 static void twa_aen_sync_time(TW_Device_Extension *tw_dev, int request_id)
 {
 	u32 schedulertime;
-	struct timeval utc;
 	TW_Command_Full *full_command_packet;
 	TW_Command *command_packet;
 	TW_Param_Apache *param;
-	u32 local_time;
 
 	/* Fill out the command packet */
 	full_command_packet = tw_dev->command_packet_virt[request_id];

@@ -503,11 +497,7 @@ static void twa_aen_sync_time(TW_Device_Extension *tw_dev, int request_id)
 	param->parameter_id = cpu_to_le16(0x3); /* SchedulerTime */
 	param->parameter_size_bytes = cpu_to_le16(4);
 
-	/* Convert system time in UTC to local time seconds since last 
-           Sunday 12:00AM */
-	do_gettimeofday(&utc);
-	local_time = (u32)(utc.tv_sec - (sys_tz.tz_minuteswest * 60));
-	schedulertime = local_time - (3 * 86400);
+	schedulertime = local_time_seconds() - (3 * 86400);
 	schedulertime = cpu_to_le32(schedulertime % 604800);
 
 	memcpy(param->data, &schedulertime, sizeof(u32));

drivers/scsi/3w-sas.c +2 ~~-12~~

index c845bdb..69f1d8a 100644
@@ -236,8 +236,6 @@ out:
 /* This function will queue an event */
 static void twl_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_Header *header)
 {
-	u32 local_time;
-	struct timeval time;
 	TW_Event *event;
 	unsigned short aen;
 	char host[16];

@@ -256,9 +254,7 @@ static void twl_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_H
 	memset(event, 0, sizeof(TW_Event));
 
 	event->severity = TW_SEV_OUT(header->status_block.severity__reserved);
-	do_gettimeofday(&time);
-	local_time = (u32)(time.tv_sec - (sys_tz.tz_minuteswest * 60));
-	event->time_stamp_sec = local_time;
+	event->time_stamp_sec = local_time_seconds();
 	event->aen_code = aen;
 	event->retrieved = TW_AEN_NOT_RETRIEVED;
 	event->sequence_id = tw_dev->error_sequence_id;

@@ -444,11 +440,9 @@ out:
 static void twl_aen_sync_time(TW_Device_Extension *tw_dev, int request_id)
 {
 	u32 schedulertime;
-	struct timeval utc;
 	TW_Command_Full *full_command_packet;
 	TW_Command *command_packet;
 	TW_Param_Apache *param;
-	u32 local_time;
 
 	/* Fill out the command packet */
 	full_command_packet = tw_dev->command_packet_virt[request_id];

@@ -468,11 +462,7 @@ static void twl_aen_sync_time(TW_Device_Extension *tw_dev, int request_id)
 	param->parameter_id = cpu_to_le16(0x3); /* SchedulerTime */
 	param->parameter_size_bytes = cpu_to_le16(4);
 
-	/* Convert system time in UTC to local time seconds since last 
-           Sunday 12:00AM */
-	do_gettimeofday(&utc);
-	local_time = (u32)(utc.tv_sec - (sys_tz.tz_minuteswest * 60));
-	schedulertime = local_time - (3 * 86400);
+	schedulertime = local_time_seconds() - (3 * 86400);
 	schedulertime = cpu_to_le32(schedulertime % 604800);
 
 	memcpy(param->data, &schedulertime, sizeof(u32));

include/scsi/scsi.h +9 -0

index 66216c1..f3377ca 100644
@@ -574,4 +574,13 @@ static inline __u32 scsi_to_u32(__u8 *ptr)
 	return (ptr[0]<<24) + (ptr[1]<<16) + (ptr[2]<<8) + ptr[3];
 }
 
+/*
+ * Convert system time in UTC to local time seconds.
+ */
+static inline u32 local_time_seconds(void)
+{
+	struct timeval utc;
+	do_gettimeofday(&utc);
+	return (u32)(utc.tv_sec - (sys_tz.tz_minuteswest * 60));
+}
 #endif /* _SCSI_SCSI_H */

Gu Zheng

author

2013-06-04 08:04 UTC #3 lore raw

In reply to Gu Zheng

ping...

Quoted 128 lines · Gu Zheng

Quoted 1 line

From 4d4caa16f3886ae910ad6dfe13353fc836f546cc Mon Sep 17 00:00:00 2001

From: Gu Zheng <[email protected]>
Date: Wed, 29 May 2013 17:34:22 +0900
Subject: [PATCH] driver/scsi: Introduce a help function local_time_seconds() to simplify the getting time stamp operation

Signed-off-by Gu Zheng <[email protected]>

---
 drivers/scsi/3w-9xxx.c |   14 ++------------
 drivers/scsi/3w-sas.c  |   14 ++------------
 include/scsi/scsi.h    |    9 +++++++++
 3 files changed, 13 insertions(+), 24 deletions(-)

drivers/scsi/3w-9xxx.c +2 ~~-12~~

index 5e1e12c..44b3ea8 100644
@@ -374,8 +374,6 @@ out:
 /* This function will queue an event */
 static void twa_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_Header *header)
 {
-	u32 local_time;
-	struct timeval time;
 	TW_Event *event;
 	unsigned short aen;
 	char host[16];

@@ -398,9 +396,7 @@ static void twa_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_H
 	memset(event, 0, sizeof(TW_Event));
 
 	event->severity = TW_SEV_OUT(header->status_block.severity__reserved);
-	do_gettimeofday(&time);
-	local_time = (u32)(time.tv_sec - (sys_tz.tz_minuteswest * 60));
-	event->time_stamp_sec = local_time;
+	event->time_stamp_sec = local_time_seconds();
 	event->aen_code = aen;
 	event->retrieved = TW_AEN_NOT_RETRIEVED;
 	event->sequence_id = tw_dev->error_sequence_id;

@@ -479,11 +475,9 @@ out:
 static void twa_aen_sync_time(TW_Device_Extension *tw_dev, int request_id)
 {
 	u32 schedulertime;
-	struct timeval utc;
 	TW_Command_Full *full_command_packet;
 	TW_Command *command_packet;
 	TW_Param_Apache *param;
-	u32 local_time;
 
 	/* Fill out the command packet */
 	full_command_packet = tw_dev->command_packet_virt[request_id];

@@ -503,11 +497,7 @@ static void twa_aen_sync_time(TW_Device_Extension *tw_dev, int request_id)
 	param->parameter_id = cpu_to_le16(0x3); /* SchedulerTime */
 	param->parameter_size_bytes = cpu_to_le16(4);
 
-	/* Convert system time in UTC to local time seconds since last 
-           Sunday 12:00AM */
-	do_gettimeofday(&utc);
-	local_time = (u32)(utc.tv_sec - (sys_tz.tz_minuteswest * 60));
-	schedulertime = local_time - (3 * 86400);
+	schedulertime = local_time_seconds() - (3 * 86400);
 	schedulertime = cpu_to_le32(schedulertime % 604800);
 
 	memcpy(param->data, &schedulertime, sizeof(u32));

drivers/scsi/3w-sas.c +2 ~~-12~~

index c845bdb..69f1d8a 100644
@@ -236,8 +236,6 @@ out:
 /* This function will queue an event */
 static void twl_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_Header *header)
 {
-	u32 local_time;
-	struct timeval time;
 	TW_Event *event;
 	unsigned short aen;
 	char host[16];

@@ -256,9 +254,7 @@ static void twl_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_H
 	memset(event, 0, sizeof(TW_Event));
 
 	event->severity = TW_SEV_OUT(header->status_block.severity__reserved);
-	do_gettimeofday(&time);
-	local_time = (u32)(time.tv_sec - (sys_tz.tz_minuteswest * 60));
-	event->time_stamp_sec = local_time;
+	event->time_stamp_sec = local_time_seconds();
 	event->aen_code = aen;
 	event->retrieved = TW_AEN_NOT_RETRIEVED;
 	event->sequence_id = tw_dev->error_sequence_id;

@@ -444,11 +440,9 @@ out:
 static void twl_aen_sync_time(TW_Device_Extension *tw_dev, int request_id)
 {
 	u32 schedulertime;
-	struct timeval utc;
 	TW_Command_Full *full_command_packet;
 	TW_Command *command_packet;
 	TW_Param_Apache *param;
-	u32 local_time;
 
 	/* Fill out the command packet */
 	full_command_packet = tw_dev->command_packet_virt[request_id];

@@ -468,11 +462,7 @@ static void twl_aen_sync_time(TW_Device_Extension *tw_dev, int request_id)
 	param->parameter_id = cpu_to_le16(0x3); /* SchedulerTime */
 	param->parameter_size_bytes = cpu_to_le16(4);
 
-	/* Convert system time in UTC to local time seconds since last 
-           Sunday 12:00AM */
-	do_gettimeofday(&utc);
-	local_time = (u32)(utc.tv_sec - (sys_tz.tz_minuteswest * 60));
-	schedulertime = local_time - (3 * 86400);
+	schedulertime = local_time_seconds() - (3 * 86400);
 	schedulertime = cpu_to_le32(schedulertime % 604800);
 
 	memcpy(param->data, &schedulertime, sizeof(u32));

include/scsi/scsi.h +9 -0

index 66216c1..f3377ca 100644
@@ -574,4 +574,13 @@ static inline __u32 scsi_to_u32(__u8 *ptr)
 	return (ptr[0]<<24) + (ptr[1]<<16) + (ptr[2]<<8) + ptr[3];
 }
 
+/*
+ * Convert system time in UTC to local time seconds.
+ */
+static inline u32 local_time_seconds(void)
+{
+	struct timeval utc;
+	do_gettimeofday(&utc);
+	return (u32)(utc.tv_sec - (sys_tz.tz_minuteswest * 60));
+}
 #endif /* _SCSI_SCSI_H */