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authorEric W. Biederman <ebiederm@xmission.com>2007-02-14 00:34:11 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-14 08:09:59 -0800
commit805b5d5e063e7fde5e2eb724e3f4cb18e47cab19 (patch)
tree920f66deb8d6286ee819ac0402d1771543a12a88 /include/linux/sysctl.h
parent0b4d414714f0d2f922d39424b0c5c82ad900a381 (diff)
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[PATCH] sysctl: factor out sysctl_head_next from do_sysctl
The current logic to walk through the list of sysctl table headers is slightly painful and implement in a way it cannot be used by code outside sysctl.c I am in the process of implementing a version of the sysctl proc support that instead of using the proc generic non-caching monster, just uses the existing sysctl data structure as backing store for building the dcache entries and for doing directory reads. To use the existing data structures however I need a way to get at them. [akpm@osdl.org: warning fix] Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/sysctl.h')
-rw-r--r--include/linux/sysctl.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 396b8d9..72ba58b 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -924,6 +924,10 @@ enum
#ifdef __KERNEL__
#include <linux/list.h>
+/* For the /proc/sys support */
+extern struct ctl_table_header *sysctl_head_next(struct ctl_table_header *prev);
+extern void sysctl_head_finish(struct ctl_table_header *prev);
+
extern void sysctl_init(void);
typedef struct ctl_table ctl_table;
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