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[PATCH] ipc: add generic struct ipc_ids seq_file iteration

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The following two patches convert /proc/sysvipc/* to use seq_file.

This gives us the following:

 - Self-consistent IPC records in proc.
 - O(n) reading of the files themselves.

This patch:

Add a generic method for ipc types to be displayed using seq_file.  This
patch abstracts out seq_file iterating over struct ipc_ids into ipc/util.c

Signed-off-by: Mike Waychison <mikew@google.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Mike Waychison 2005-09-06 15:17:09 -07:00 • committed by Linus Torvalds
parent f35279d3f7
commit ae7817745e
2 changed files with 164 additions and 0 deletions
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8
ipc/util.h
View file

@ -30,7 +30,15 @@ struct ipc_ids {
struct ipc_id_ary* entries;
};
struct seq_file;
void __init ipc_init_ids(struct ipc_ids* ids, int size);
#ifdef CONFIG_PROC_FS
void __init ipc_init_proc_interface(const char *path, const char *header,
struct ipc_ids *ids,
int (*show)(struct seq_file *, void *));
#else
#define ipc_init_proc_interface(path, header, ids, show) do {} while (0)
#endif
/* must be called with ids->sem acquired.*/
int ipc_findkey(struct ipc_ids* ids, key_t key);