linux.git/fs/nfs/sysctl.c, branch v4.0

nfs: convert use of typedef ctl_table to struct ctl_table

2014-06-06T23:08:16+00:00

This typedef is unnecessary and should just be removed.

Signed-off-by: Joe Perches 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

NFS: Initialize v4 sysctls from nfs_init_v4()

2012-07-17T17:33:18+00:00

And split them out of the generic client into their own file.

Signed-off-by: Bryan Schumaker 
Signed-off-by: Trond Myklebust

NFS: Fall back on old idmapper if request_key() fails

2012-02-06T23:48:01+00:00

This patch removes the CONFIG_NFS_USE_NEW_IDMAPPER compile option.
First, the idmapper will attempt to map the id using /sbin/request-key
and nfsidmap.  If this fails (if /etc/request-key.conf is not configured
properly) then the idmapper will call the legacy code to perform the
mapping.  I left a comment stating where the legacy code begins to make
it easier for somebody to remove in the future.

Signed-off-by: Bryan Schumaker 
Signed-off-by: Trond Myklebust

NFS: new idmapper

2010-10-07T22:48:49+00:00

This patch creates a new idmapper system that uses the request-key function to
place a call into userspace to map user and group ids to names.  The old
idmapper was single threaded, which prevented more than one request from running
at a single time.  This means that a user would have to wait for an upcall to
finish before accessing a cached result.

The upcall result is stored on a keyring of type id_resolver.  See the file
Documentation/filesystems/nfs/idmapper.txt for instructions.

Signed-off-by: Bryan Schumaker 
[Trond: fix up the return value of nfs_idmap_lookup_name and clean up code]
Signed-off-by: Trond Myklebust

NFS: Avoid warnings when CONFIG_NFS_V4=n

2010-01-26T20:42:11+00:00

Avoid the following warnings when CONFIG_NFS_V4=n:

	fs/nfs/sysctl.c:19: warning: unused variable `nfs_set_port_max'
	fs/nfs/sysctl.c:18: warning: unused variable `nfs_set_port_min'

by making those variables contingent on NFSv4 being configured.

Signed-off-by: David Howells 
Signed-off-by: Trond Myklebust 
Reviewed-by: Chuck Lever

sysctl: Drop & in front of every proc_handler.

2009-11-18T16:37:40+00:00

For consistency drop & in front of every proc_handler.  Explicity
taking the address is unnecessary and it prevents optimizations
like stubbing the proc_handlers to NULL.

Cc: Alexey Dobriyan 
Cc: Ingo Molnar 
Cc: Joe Perches 
Signed-off-by: Eric W. Biederman

sysctl fs: Remove dead binary sysctl support

2009-11-12T10:04:55+00:00

Now that sys_sysctl is a generic wrapper around /proc/sys  .ctl_name
and .strategy members of sysctl tables are dead code.  Remove them.

Cc: Jan Harkes 
Signed-off-by: Eric W. Biederman

[PATCH] nfs: fix congestion control

2007-03-17T02:25:05+00:00

The current NFS client congestion logic is severly broken, it marks the
backing device congested during each nfs_writepages() call but doesn't
mirror this in nfs_writepage() which makes for deadlocks.  Also it
implements its own waitqueue.

Replace this by a more regular congestion implementation that puts a cap on
the number of active writeback pages and uses the bdi congestion waitqueue.

Also always use an interruptible wait since it makes sense to be able to
SIGKILL the process even for mounts without 'intr'.

Signed-off-by: Peter Zijlstra 
Acked-by: Trond Myklebust 
Cc: Christoph Lameter 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

[PATCH] sysctl: remove insert_at_head from register_sysctl

2007-02-14T16:09:59+00:00

The semantic effect of insert_at_head is that it would allow new registered
sysctl entries to override existing sysctl entries of the same name.  Which is
pain for caching and the proc interface never implemented.

I have done an audit and discovered that none of the current users of
register_sysctl care as (excpet for directories) they do not register
duplicate sysctl entries.

So this patch simply removes the support for overriding existing entries in
the sys_sysctl interface since no one uses it or cares and it makes future
enhancments harder.

Signed-off-by: Eric W. Biederman 
Acked-by: Ralf Baechle 
Acked-by: Martin Schwidefsky 
Cc: Russell King 
Cc: David Howells 
Cc: "Luck, Tony" 
Cc: Ralf Baechle 
Cc: Paul Mackerras 
Cc: Martin Schwidefsky 
Cc: Andi Kleen 
Cc: Jens Axboe 
Cc: Corey Minyard 
Cc: Neil Brown 
Cc: "John W. Linville" 
Cc: James Bottomley 
Cc: Jan Kara 
Cc: Trond Myklebust 
Cc: Mark Fasheh 
Cc: David Chinner 
Cc: "David S. Miller" 
Cc: Patrick McHardy 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

[PATCH] sysctl: implement CTL_UNNUMBERED

2006-11-06T09:46:23+00:00

This patch takes the CTL_UNNUMBERD concept from NFS and makes it available to
all new sysctl users.

At the same time the sysctl binary interface maintenance documentation is
updated to mention and to describe what is needed to successfully maintain the
sysctl binary interface.

Signed-off-by: Eric W. Biederman 
Acked-by: Alan Cox 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds