[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>
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Linus Torvalds
parent
0b4d414714
commit
805b5d5e06
@@ -924,6 +924,10 @@ enum
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#ifdef __KERNEL__
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#include <linux/list.h>
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/* For the /proc/sys support */
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extern struct ctl_table_header *sysctl_head_next(struct ctl_table_header *prev);
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extern void sysctl_head_finish(struct ctl_table_header *prev);
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extern void sysctl_init(void);
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typedef struct ctl_table ctl_table;
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