?? lustre_cache.h
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/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- * vim:expandtab:shiftwidth=8:tabstop=8: */#ifndef LUSTRE_CACHE_H#define LUSTRE_CACHE_H#include <obd.h>#include <lustre/lustre_idl.h>#include <lustre_dlm.h>struct lustre_cache;struct osc_async_page;struct page_removal_cb_element { struct list_head prce_list; obd_page_removal_cb_t prce_callback;};typedef int (*cache_iterate_extents_cb_t)(struct lustre_cache *, struct lustre_handle *, struct osc_async_page *, void *);typedef int (*cache_iterate_locks_cb_t)(struct lustre_cache *, struct ldlm_res_id *, struct lustre_handle *, void *);struct lustre_cache { struct list_head lc_locks_list; spinlock_t lc_locks_list_lock; struct list_head lc_page_removal_callback_list; struct obd_device *lc_obd; obd_pin_extent_cb lc_pin_extent_cb;};int cache_add_lock(struct lustre_cache *cache, struct lustre_handle *lockh);int cache_add_extent(struct lustre_cache *cache, struct ldlm_res_id *res, struct osc_async_page *extent, struct lustre_handle *lockh);void cache_remove_extent(struct lustre_cache *, struct osc_async_page *);int cache_add_extent_removal_cb(struct lustre_cache *cache, obd_page_removal_cb_t func_cb, obd_pin_extent_cb pin_cb);int cache_del_extent_removal_cb(struct lustre_cache *cache, obd_page_removal_cb_t func_cb);int cache_iterate_extents(struct lustre_cache *cache, struct lustre_handle *lockh, cache_iterate_extents_cb_t cb_func, void *data);int cache_remove_lock(struct lustre_cache *cache, struct lustre_handle *lockh);int cache_iterate_locks(struct lustre_cache *cache, struct ldlm_res_id *res, cache_iterate_locks_cb_t cb_fun, void *data);struct lustre_cache *cache_create(struct obd_device *obd);int cache_destroy(struct lustre_cache *cache);#endif /* LUSTRE_CACHE_H */
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