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[PATCH] sysctl: remove insert_at_head from register_sysctl

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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 <[email protected]>
Acked-by: Ralf Baechle <[email protected]>
Acked-by: Martin Schwidefsky <[email protected]>
Cc: Russell King <[email protected]>
Cc: David Howells <[email protected]>
Cc: "Luck, Tony" <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Martin Schwidefsky <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: Corey Minyard <[email protected]>
Cc: Neil Brown <[email protected]>
Cc: "John W. Linville" <[email protected]>
Cc: James Bottomley <[email protected]>
Cc: Jan Kara <[email protected]>
Cc: Trond Myklebust <[email protected]>
Cc: Mark Fasheh <[email protected]>
Cc: David Chinner <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Patrick McHardy <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Eric W. Biederman 2007-02-14 00:34:09 -08:00 • committed by Linus Torvalds
commit 0b4d414714
68 changed files with 75 additions and 80 deletions
Download patch file Download diff file Expand all files Collapse all files

2
net/decnet/dn_dev.c
View file

@ -282,7 +282,7 @@ static void dn_dev_sysctl_register(struct net_device *dev, struct dn_dev_parms *
t->dn_dev_root_dir[0].de = NULL;
t->dn_dev_vars[0].extra1 = (void *)dev;
t->sysctl_header = register_sysctl_table(t->dn_dev_root_dir, 0);
t->sysctl_header = register_sysctl_table(t->dn_dev_root_dir);
if (t->sysctl_header == NULL)
kfree(t);
else

2
net/decnet/sysctl_net_decnet.c
View file

@ -491,7 +491,7 @@ static ctl_table dn_root_table[] = {
void dn_register_sysctl(void)
{
dn_table_header = register_sysctl_table(dn_root_table, 0);
dn_table_header = register_sysctl_table(dn_root_table);
}
void dn_unregister_sysctl(void)