docs: sysctl: Remove obsolete sg-big-buff entry

[PATCH] docs: sysctl: Remove obsolete sg-big-buff entry

Posted by Karl Mehltretter 3 weeks ago

The sg-big-buff sysctl no longer exists. The documented SG_BIG_BUFF
macro is only a compatibility alias and changing it does not alter the
driver default.

Fixes: 50209dec14f8 ("scsi: sg: Remove deprecated sg-big-buff")
Assisted-by: LLM
Signed-off-by: Karl Mehltretter <kmehltretter@gmail.com>
---
 Documentation/admin-guide/sysctl/kernel.rst | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst
index b6328cd0f43e9..d9e9b12136eb2 100644
--- a/Documentation/admin-guide/sysctl/kernel.rst
+++ b/Documentation/admin-guide/sysctl/kernel.rst
@@ -1334,19 +1334,6 @@ seccomp
 See Documentation/userspace-api/seccomp_filter.rst.
 
 
-sg-big-buff
-===========
-
-This file shows the size of the generic SCSI (sg) buffer.
-You can't tune it just yet, but you could change it on
-compile time by editing ``include/scsi/sg.h`` and changing
-the value of ``SG_BIG_BUFF``.
-
-There shouldn't be any reason to change this value. If
-you can come up with one, you probably know what you
-are doing anyway :)
-
-
 shmall
 ======
 
-- 
2.53.0

Re: [PATCH] docs: sysctl: Remove obsolete sg-big-buff entry

Posted by Jonathan Corbet 2 weeks, 4 days ago

Karl Mehltretter <kmehltretter@gmail.com> writes:

> The sg-big-buff sysctl no longer exists. The documented SG_BIG_BUFF
> macro is only a compatibility alias and changing it does not alter the
> driver default.
>
> Fixes: 50209dec14f8 ("scsi: sg: Remove deprecated sg-big-buff")
> Assisted-by: LLM
> Signed-off-by: Karl Mehltretter <kmehltretter@gmail.com>
> ---
>  Documentation/admin-guide/sysctl/kernel.rst | 13 -------------
>  1 file changed, 13 deletions(-)
>
> diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst
> index b6328cd0f43e9..d9e9b12136eb2 100644
> --- a/Documentation/admin-guide/sysctl/kernel.rst
> +++ b/Documentation/admin-guide/sysctl/kernel.rst
> @@ -1334,19 +1334,6 @@ seccomp
>  See Documentation/userspace-api/seccomp_filter.rst.
>  
>  
> -sg-big-buff
> -===========
> -
> -This file shows the size of the generic SCSI (sg) buffer.
> -You can't tune it just yet, but you could change it on
> -compile time by editing ``include/scsi/sg.h`` and changing
> -the value of ``SG_BIG_BUFF``.
> -
> -There shouldn't be any reason to change this value. If
> -you can come up with one, you probably know what you
> -are doing anyway :)
> -

Applied, thanks.

jon

Re: [PATCH] docs: sysctl: Remove obsolete sg-big-buff entry

Posted by Bradley Morgan 2 weeks, 6 days ago

On 5 September 2026 02:09:52 BST, Karl Mehltretter <kmehltretter@gmail.com>
wrote:
>The sg-big-buff sysctl no longer exists. The documented SG_BIG_BUFF
>macro is only a compatibility alias and changing it does not alter the
>driver default.
>
>Fixes: 50209dec14f8 ("scsi: sg: Remove deprecated sg-big-buff")
>Assisted-by: LLM

Reviewed-by: Bradley Morgan <brads@mainlining.org>


>Signed-off-by: Karl Mehltretter <kmehltretter@gmail.com>
>---
> Documentation/admin-guide/sysctl/kernel.rst | 13 -------------
> 1 file changed, 13 deletions(-)
>
>diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst
>index b6328cd0f43e9..d9e9b12136eb2 100644
>--- a/Documentation/admin-guide/sysctl/kernel.rst
>+++ b/Documentation/admin-guide/sysctl/kernel.rst
>@@ -1334,19 +1334,6 @@ seccomp
> See Documentation/userspace-api/seccomp_filter.rst.
> 
> 
>-sg-big-buff
>-===========
>-
>-This file shows the size of the generic SCSI (sg) buffer.
>-You can't tune it just yet, but you could change it on
>-compile time by editing ``include/scsi/sg.h`` and changing
>-the value of ``SG_BIG_BUFF``.
>-
>-There shouldn't be any reason to change this value. If
>-you can come up with one, you probably know what you
>-are doing anyway :)
>-
>-
> shmall
> ======
> 
>

--- Thanks!
https://lore.kernel.org/all/EE579805-42F2-4C58-B752-F28779EEB717@grrlz.net/

Re: [PATCH] docs: sysctl: Remove obsolete sg-big-buff entry

Posted by Randy Dunlap 2 weeks, 6 days ago


On 9/4/26 6:09 PM, Karl Mehltretter wrote:
> The sg-big-buff sysctl no longer exists. The documented SG_BIG_BUFF
> macro is only a compatibility alias and changing it does not alter the
> driver default.
> 
> Fixes: 50209dec14f8 ("scsi: sg: Remove deprecated sg-big-buff")
> Assisted-by: LLM
> Signed-off-by: Karl Mehltretter <kmehltretter@gmail.com>

Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Thanks.

> ---
>  Documentation/admin-guide/sysctl/kernel.rst | 13 -------------
>  1 file changed, 13 deletions(-)
> 
> diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst
> index b6328cd0f43e9..d9e9b12136eb2 100644
> --- a/Documentation/admin-guide/sysctl/kernel.rst
> +++ b/Documentation/admin-guide/sysctl/kernel.rst
> @@ -1334,19 +1334,6 @@ seccomp
>  See Documentation/userspace-api/seccomp_filter.rst.
>  
>  
> -sg-big-buff
> -===========
> -
> -This file shows the size of the generic SCSI (sg) buffer.
> -You can't tune it just yet, but you could change it on
> -compile time by editing ``include/scsi/sg.h`` and changing
> -the value of ``SG_BIG_BUFF``.
> -
> -There shouldn't be any reason to change this value. If
> -you can come up with one, you probably know what you
> -are doing anyway :)
> -
> -
>  shmall
>  ======
>  

-- 
~Randy