From: Phil Oester Date: Wed, 20 Oct 2004 01:46:04 +0000 (-0700) Subject: [PATCH] doc: scsihosts parameter no longer exists X-Git-Tag: v2.6.10-rc1~16^2~35^2~3 X-Git-Url: http://git.neil.brown.name/?a=commitdiff_plain;h=e8166f0e57f5e373013598b0ccc452ada6f99cdd;p=history.git [PATCH] doc: scsihosts parameter no longer exists The scsihosts boot parameter was removed in 2.5.73, but references to it still exist in docs. Cleanup below. Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/Documentation/filesystems/devfs/README b/Documentation/filesystems/devfs/README index 3ef858266450..54366ecc241f 100644 --- a/Documentation/filesystems/devfs/README +++ b/Documentation/filesystems/devfs/README @@ -1349,47 +1349,6 @@ This will cause devfsd to create (and destroy) symbolic links which point to the kernel-supplied names. -SCSI Host Probing Issues - -Devfs allows you to identify SCSI discs based in part on SCSI host -numbers. If you have only one SCSI host (card) in your computer, then -clearly it will be given host number 0. Life is not always that easy -is you have multiple SCSI hosts. Unfortunately, it can sometimes be -difficult to guess what the probing order of SCSI hosts is. You need -to know the probe order before you can use device names. To make this -easy, there is a kernel boot parameter called "scsihosts". This allows -you to specify the probe order for different types of SCSI hosts. The -syntax of this parameter is: - -scsihosts=:::...: - -where ,,..., are the names -of drivers used in the /proc filesystem. For example: - - scsihosts=aha1542:ppa:aha1542::ncr53c7xx - - -means that devices connected to - -- first aha1542 controller - will be /dev/scsi/host0/bus#/target#/lun# -- first parallel port ZIP - will be /dev/scsi/host1/bus#/target#/lun# -- second aha1542 controller - will be /dev/scsi/host2/bus#/target#/lun# -- first NCR53C7xx controller - will be /dev/scsi/host4/bus#/target#/lun# -- any extra controller - will be /dev/scsi/host5/bus#/target#/lun#, - /dev/scsi/host6/bus#/target#/lun#, etc -- if any of above controllers will not be found - the reserved names will - not be used by any other device. -- /dev/scsi/host3/bus#/target#/lun# names will never be used - - -You can use ',' instead of ':' as the separator character if you -wish. I have used the devfsd naming scheme -here. - -Note that this scheme does not address the SCSI host order if you have -multiple cards of the same type (such as NCR53c8xx). In this case you -need to use the driver-specific boot parameters to control this. - ----------------------------------------------------------------------------- @@ -1952,12 +1911,6 @@ explores the SCSI subsystem and how it interacts with devfs Douglas Gilbert has written another useful document at -http://www.torque.net/scsi/scsihosts.html which -discusses the scsihosts= boot option - - -Douglas Gilbert has written yet another useful document at - http://www.torque.net/scsi/SCSI-2.4-HOWTO/ which discusses the Linux SCSI subsystem in 2.4. diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 86732faaa4a6..8f88609476f4 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1060,8 +1060,6 @@ running once the system is up. scsi_logging= [SCSI] - scsihosts= [SCSI] - serialnumber [BUGS=IA-32] sf16fm= [HW] SF16FMI radio driver for Linux diff --git a/Documentation/scsi/scsi_mid_low_api.txt b/Documentation/scsi/scsi_mid_low_api.txt index 2b0c649a9380..e764129e7df7 100644 --- a/Documentation/scsi/scsi_mid_low_api.txt +++ b/Documentation/scsi/scsi_mid_low_api.txt @@ -1357,9 +1357,7 @@ is created (in scsi_host_alloc() in hosts.c) those common members are initialized from the driver's struct scsi_host_template instance. Members of interest: host_no - system wide unique number that is used for identifying - this host. Issued in ascending order from 0 (and the - positioning can be influenced by the scsihosts - kernel boot (or module) parameter) + this host. Issued in ascending order from 0. can_queue - must be greater than 0; do not send more than can_queue commands to the adapter. this_id - scsi id of host (scsi initiator) or -1 if not known