Re: [PATCH 1/5] scsi: Remove CONFIG_SCSI_MULTI_LUN

2014-05-22 Thread Christoph Hellwig
On Tue, May 20, 2014 at 01:03:07PM +0200, Hannes Reinecke wrote:
> Obsolete; either use 'max_lun' if the host supports only a
> limited number of LUNs or BLIST_NOLUN if the target has
> problems addressing more than one LUN.
> 
> Signed-off-by: Hannes Reinecke 

Looks good,

Reviewed-by: Christoph Hellwig 

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[PATCH 1/5] scsi: Remove CONFIG_SCSI_MULTI_LUN

2014-05-20 Thread Hannes Reinecke
Obsolete; either use 'max_lun' if the host supports only a
limited number of LUNs or BLIST_NOLUN if the target has
problems addressing more than one LUN.

Signed-off-by: Hannes Reinecke 
---
 drivers/scsi/Kconfig | 14 --
 drivers/scsi/dc395x.c|  9 +
 drivers/scsi/ncr53c8xx.h |  4 
 drivers/scsi/scsi_scan.c |  4 
 4 files changed, 1 insertion(+), 30 deletions(-)

diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 02832d6..62c60cd 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -197,20 +197,6 @@ config SCSI_ENCLOSURE
  it has an enclosure device.  Selecting this option will just allow
  certain enclosure conditions to be reported and is not required.
 
-config SCSI_MULTI_LUN
-   bool "Probe all LUNs on each SCSI device"
-   depends on SCSI
-   help
- Some devices support more than one LUN (Logical Unit Number) in order
- to allow access to several media, e.g. CD jukebox, USB card reader,
- mobile phone in mass storage mode. This option forces the kernel to
- probe for all LUNs by default. This setting can be overridden by
- max_luns boot/module parameter. Note that this option does not affect
- devices conforming to SCSI-3 or higher as they can explicitly report
- their number of LUNs. It is safe to say Y here unless you have one of
- those rare devices which reacts in an unexpected way when probed for
- multiple LUNs.
-
 config SCSI_CONSTANTS
bool "Verbose SCSI error reporting (kernel size +=12K)"
depends on SCSI
diff --git a/drivers/scsi/dc395x.c b/drivers/scsi/dc395x.c
index 83d9bf6..ad7bee0 100644
--- a/drivers/scsi/dc395x.c
+++ b/drivers/scsi/dc395x.c
@@ -519,9 +519,7 @@ static struct ParameterData cfg_data[] = {
CFG_PARAM_UNSET,
0,
0x2f,
-#ifdef CONFIG_SCSI_MULTI_LUN
-   NAC_SCANLUN |
-#endif
+   NAC_SCANLUN |
NAC_GT2DRIVES | NAC_GREATER_1G | NAC_POWERON_SCSI_RESET
/*| NAC_ACTIVE_NEG*/,
NAC_GT2DRIVES | NAC_GREATER_1G | NAC_POWERON_SCSI_RESET | 0x08
@@ -4434,15 +4432,10 @@ static void adapter_init_scsi_host(struct Scsi_Host 
*host)
if (host->max_id - 1 == eeprom->scsi_id)
host->max_id--;
 
-#ifdef CONFIG_SCSI_MULTI_LUN
if (eeprom->channel_cfg & NAC_SCANLUN)
host->max_lun = 8;
else
host->max_lun = 1;
-#else
-   host->max_lun = 1;
-#endif
-
 }
 
 
diff --git a/drivers/scsi/ncr53c8xx.h b/drivers/scsi/ncr53c8xx.h
index 0e008da..02901c5 100644
--- a/drivers/scsi/ncr53c8xx.h
+++ b/drivers/scsi/ncr53c8xx.h
@@ -264,11 +264,7 @@
 #define SCSI_NCR_SG_TABLESIZE  (SCSI_NCR_MAX_SCATTER)
 #define SCSI_NCR_TIMER_INTERVAL(HZ)
 
-#if 1 /* defined CONFIG_SCSI_MULTI_LUN */
 #define SCSI_NCR_MAX_LUN   (16)
-#else
-#define SCSI_NCR_MAX_LUN   (1)
-#endif
 
 /*
  *  IO functions definition for big/little endian CPU support.
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index e02b3aa..8564bdc 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -81,11 +81,7 @@ static const char *scsi_null_device_strs = 
"nullnullnullnull";
 
 #define MAX_SCSI_LUNS  512
 
-#ifdef CONFIG_SCSI_MULTI_LUN
 static unsigned int max_scsi_luns = MAX_SCSI_LUNS;
-#else
-static unsigned int max_scsi_luns = 1;
-#endif
 
 module_param_named(max_luns, max_scsi_luns, uint, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(max_luns,
-- 
1.7.12.4

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Re: [PATCH 1/5] scsi: Remove CONFIG_SCSI_MULTI_LUN

2014-03-27 Thread Christoph Hellwig
On Tue, Dec 10, 2013 at 12:05:11PM +0100, Hannes Reinecke wrote:
> Obsolete; either use 'max_lun' if the host supports only a
> limited number of LUNs or BLIST_NOLUN if the target has
> problems addressing more than one LUN.

Looks good,

Reviewed-by: Christoph Hellwig 

Btw, I noticed the SuSE tree has various blacklist updates, might be
worth to throw them into the series as well?

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[PATCH 1/5] scsi: Remove CONFIG_SCSI_MULTI_LUN

2013-12-10 Thread Hannes Reinecke
Obsolete; either use 'max_lun' if the host supports only a
limited number of LUNs or BLIST_NOLUN if the target has
problems addressing more than one LUN.

Signed-off-by: Hannes Reinecke 
---
 drivers/scsi/Kconfig | 14 --
 drivers/scsi/dc395x.c|  9 +
 drivers/scsi/ncr53c8xx.h |  4 
 drivers/scsi/scsi_scan.c |  4 
 4 files changed, 1 insertion(+), 30 deletions(-)

diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 1f02003..900c7d90 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -197,20 +197,6 @@ config SCSI_ENCLOSURE
  it has an enclosure device.  Selecting this option will just allow
  certain enclosure conditions to be reported and is not required.
 
-config SCSI_MULTI_LUN
-   bool "Probe all LUNs on each SCSI device"
-   depends on SCSI
-   help
- Some devices support more than one LUN (Logical Unit Number) in order
- to allow access to several media, e.g. CD jukebox, USB card reader,
- mobile phone in mass storage mode. This option forces the kernel to
- probe for all LUNs by default. This setting can be overriden by
- max_luns boot/module parameter. Note that this option does not affect
- devices conforming to SCSI-3 or higher as they can explicitely report
- their number of LUNs. It is safe to say Y here unless you have one of
- those rare devices which reacts in an unexpected way when probed for
- multiple LUNs.
-
 config SCSI_CONSTANTS
bool "Verbose SCSI error reporting (kernel size +=12K)"
depends on SCSI
diff --git a/drivers/scsi/dc395x.c b/drivers/scsi/dc395x.c
index 83d9bf6..ad7bee0 100644
--- a/drivers/scsi/dc395x.c
+++ b/drivers/scsi/dc395x.c
@@ -519,9 +519,7 @@ static struct ParameterData cfg_data[] = {
CFG_PARAM_UNSET,
0,
0x2f,
-#ifdef CONFIG_SCSI_MULTI_LUN
-   NAC_SCANLUN |
-#endif
+   NAC_SCANLUN |
NAC_GT2DRIVES | NAC_GREATER_1G | NAC_POWERON_SCSI_RESET
/*| NAC_ACTIVE_NEG*/,
NAC_GT2DRIVES | NAC_GREATER_1G | NAC_POWERON_SCSI_RESET | 0x08
@@ -4434,15 +4432,10 @@ static void adapter_init_scsi_host(struct Scsi_Host 
*host)
if (host->max_id - 1 == eeprom->scsi_id)
host->max_id--;
 
-#ifdef CONFIG_SCSI_MULTI_LUN
if (eeprom->channel_cfg & NAC_SCANLUN)
host->max_lun = 8;
else
host->max_lun = 1;
-#else
-   host->max_lun = 1;
-#endif
-
 }
 
 
diff --git a/drivers/scsi/ncr53c8xx.h b/drivers/scsi/ncr53c8xx.h
index 0e008da..02901c5 100644
--- a/drivers/scsi/ncr53c8xx.h
+++ b/drivers/scsi/ncr53c8xx.h
@@ -264,11 +264,7 @@
 #define SCSI_NCR_SG_TABLESIZE  (SCSI_NCR_MAX_SCATTER)
 #define SCSI_NCR_TIMER_INTERVAL(HZ)
 
-#if 1 /* defined CONFIG_SCSI_MULTI_LUN */
 #define SCSI_NCR_MAX_LUN   (16)
-#else
-#define SCSI_NCR_MAX_LUN   (1)
-#endif
 
 /*
  *  IO functions definition for big/little endian CPU support.
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 307a811..e289fb3 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -81,11 +81,7 @@ static const char *scsi_null_device_strs = 
"nullnullnullnull";
 
 #define MAX_SCSI_LUNS  512
 
-#ifdef CONFIG_SCSI_MULTI_LUN
 static unsigned int max_scsi_luns = MAX_SCSI_LUNS;
-#else
-static unsigned int max_scsi_luns = 1;
-#endif
 
 module_param_named(max_luns, max_scsi_luns, uint, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(max_luns,
-- 
1.7.12.4

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