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scsi: Remove CONFIG_SCSI_MULTI_LUN

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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 <hare@suse.de>
Reviewed-by: Ewan Milne <emilne@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Hannes Reinecke 2014-06-03 10:58:52 +02:00 • committed by Christoph Hellwig
parent cc833acbee
commit c309b35171
6 changed files with 2 additions and 35 deletions
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2
Documentation/scsi/tmscsim.txt
View file

@ -317,8 +317,6 @@ Each of the parameters is a number, containing the described information:
4 0x10 16 Immediate return on BIOS seek command. (Not used) 4 0x10 16 Immediate return on BIOS seek command. (Not used)
(*)5 0x20 32 Check for LUNs >= 1. (*)5 0x20 32 Check for LUNs >= 1.
The default for LUN Check depends on CONFIG_SCSI_MULTI_LUN.
* TaggedCmnds is a number indicating the maximum number of Tagged Commands. * TaggedCmnds is a number indicating the maximum number of Tagged Commands.
It is the binary logarithm - 1 of the actual number. Max is 4 (32). It is the binary logarithm - 1 of the actual number. Max is 4 (32).
Value Number of Tagged Commands Value Number of Tagged Commands

14
drivers/scsi/Kconfig
View file

@ -197,20 +197,6 @@ config SCSI_ENCLOSURE
it has an enclosure device. Selecting this option will just allow it has an enclosure device. Selecting this option will just allow
certain enclosure conditions to be reported and is not required. 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 config SCSI_CONSTANTS
bool "Verbose SCSI error reporting (kernel size +=12K)" bool "Verbose SCSI error reporting (kernel size +=12K)"
depends on SCSI depends on SCSI

9
drivers/scsi/dc395x.c
View file

@ -519,9 +519,7 @@ static struct ParameterData cfg_data[] = {
CFG_PARAM_UNSET, CFG_PARAM_UNSET,
0, 0,
0x2f, 0x2f,
#ifdef CONFIG_SCSI_MULTI_LUN NAC_SCANLUN |
NAC_SCANLUN |
#endif
NAC_GT2DRIVES | NAC_GREATER_1G | NAC_POWERON_SCSI_RESET NAC_GT2DRIVES | NAC_GREATER_1G | NAC_POWERON_SCSI_RESET
/*| NAC_ACTIVE_NEG*/, /*| NAC_ACTIVE_NEG*/,
NAC_GT2DRIVES | NAC_GREATER_1G | NAC_POWERON_SCSI_RESET | 0x08 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) if (host->max_id - 1 == eeprom->scsi_id)
host->max_id--; host->max_id--;
#ifdef CONFIG_SCSI_MULTI_LUN
if (eeprom->channel_cfg & NAC_SCANLUN) if (eeprom->channel_cfg & NAC_SCANLUN)
host->max_lun = 8; host->max_lun = 8;
else else
host->max_lun = 1; host->max_lun = 1;
#else
host->max_lun = 1;
#endif
} }

4
drivers/scsi/ncr53c8xx.h
View file

@ -264,11 +264,7 @@
#define SCSI_NCR_SG_TABLESIZE (SCSI_NCR_MAX_SCATTER) #define SCSI_NCR_SG_TABLESIZE (SCSI_NCR_MAX_SCATTER)
#define SCSI_NCR_TIMER_INTERVAL (HZ) #define SCSI_NCR_TIMER_INTERVAL (HZ)
#if 1 /* defined CONFIG_SCSI_MULTI_LUN */
#define SCSI_NCR_MAX_LUN (16) #define SCSI_NCR_MAX_LUN (16)
#else
#define SCSI_NCR_MAX_LUN (1)
#endif
/* /*
* IO functions definition for big/little endian CPU support. * IO functions definition for big/little endian CPU support.

4
drivers/scsi/scsi_scan.c
View file

@ -81,11 +81,7 @@ static const char *scsi_null_device_strs = "nullnullnullnull";
#define MAX_SCSI_LUNS 512 #define MAX_SCSI_LUNS 512
#ifdef CONFIG_SCSI_MULTI_LUN
static unsigned int max_scsi_luns = MAX_SCSI_LUNS; 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_param_named(max_luns, max_scsi_luns, uint, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(max_luns, MODULE_PARM_DESC(max_luns,

4
drivers/usb/storage/Kconfig
View file

@ -18,9 +18,7 @@ config USB_STORAGE
This option depends on 'SCSI' support being enabled, but you This option depends on 'SCSI' support being enabled, but you
probably also need 'SCSI device support: SCSI disk support' probably also need 'SCSI device support: SCSI disk support'
(BLK_DEV_SD) for most USB storage devices. Some devices also (BLK_DEV_SD) for most USB storage devices.
will require 'Probe all LUNs on each SCSI device'
(SCSI_MULTI_LUN).
To compile this driver as a module, choose M here: the To compile this driver as a module, choose M here: the
module will be called usb-storage. module will be called usb-storage.