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34 lines
1.1 KiB
34 lines
1.1 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* Copyright (c) 2006-2007 Silicon Graphics, Inc. |
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* All Rights Reserved. |
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*/ |
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#ifndef __XFS_MRU_CACHE_H__ |
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#define __XFS_MRU_CACHE_H__ |
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struct xfs_mru_cache; |
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struct xfs_mru_cache_elem { |
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struct list_head list_node; |
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unsigned long key; |
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}; |
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/* Function pointer type for callback to free a client's data pointer. */ |
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typedef void (*xfs_mru_cache_free_func_t)(void *, struct xfs_mru_cache_elem *); |
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int xfs_mru_cache_init(void); |
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void xfs_mru_cache_uninit(void); |
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int xfs_mru_cache_create(struct xfs_mru_cache **mrup, void *data, |
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unsigned int lifetime_ms, unsigned int grp_count, |
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xfs_mru_cache_free_func_t free_func); |
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void xfs_mru_cache_destroy(struct xfs_mru_cache *mru); |
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int xfs_mru_cache_insert(struct xfs_mru_cache *mru, unsigned long key, |
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struct xfs_mru_cache_elem *elem); |
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struct xfs_mru_cache_elem * |
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xfs_mru_cache_remove(struct xfs_mru_cache *mru, unsigned long key); |
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void xfs_mru_cache_delete(struct xfs_mru_cache *mru, unsigned long key); |
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struct xfs_mru_cache_elem * |
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xfs_mru_cache_lookup(struct xfs_mru_cache *mru, unsigned long key); |
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void xfs_mru_cache_done(struct xfs_mru_cache *mru); |
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#endif /* __XFS_MRU_CACHE_H__ */
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