/* * 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); 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