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lvm2/lib/device/dev-cache.h
Alasdair Kergon 8ef2b021ed Default stripesize 64k & config file setting for it;
Clear many compiler warnings (i386) & associated bugs - hopefully without
introducing too many new bugs:-)  (Same exercise required for other archs.)
Default compilation has optimisation - or else use ./configure --enable-debug
2002-12-19 23:25:55 +00:00

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939 B
C

/*
* Copyright (C) 2001 Sistina Software (UK) Limited.
*
* This file is released under the GPL.
*/
#ifndef _LVM_DEV_CACHE_H
#define _LVM_DEV_CACHE_H
#include <sys/types.h>
#include "lvm-types.h"
#include "device.h"
/*
* predicate for devices.
*/
struct dev_filter {
int (*passes_filter) (struct dev_filter * f, struct device * dev);
void (*destroy) (struct dev_filter * f);
void *private;
};
/*
* The global device cache.
*/
int dev_cache_init(void);
void dev_cache_exit(void);
/* Trigger(1) or avoid(0) a scan */
void dev_cache_scan(int do_scan);
int dev_cache_has_scanned(void);
int dev_cache_add_dir(const char *path);
struct device *dev_cache_get(const char *name, struct dev_filter *f);
/*
* Object for iterating through the cache.
*/
struct dev_iter;
struct dev_iter *dev_iter_create(struct dev_filter *f);
void dev_iter_destroy(struct dev_iter *iter);
struct device *dev_iter_get(struct dev_iter *iter);
#endif