fs/nilfs2/alloc.h

1 /* SPDX-License-Identifier: GPL-2.0+ */
3  * alloc.h - persistent object (dat entry/disk inode) allocator/deallocator
5  * Copyright (C) 2006-2008 Nippon Telegraph and Telephone Corporation.
8  * Two allocators were unified by Ryusuke Konishi and Amagai Yoshiji.
19  * nilfs_palloc_entries_per_group - get the number of entries per group
28 	return 1UL << (inode->i_blkbits + 3 /* log2(8 = CHAR_BITS) */);  in nilfs_palloc_entries_per_group()
40  * nilfs_palloc_req - persistent allocator request and reply
69  * struct nilfs_bh_assoc - block offset and buffer head association
79  * struct nilfs_palloc_cache - persistent object allocator cache
80  * @lock: cache protecting lock
81  * @prev_desc: blockgroup descriptors cache
82  * @prev_bitmap: blockgroup bitmap cache
83  * @prev_entry: translation entries cache
93 			      struct nilfs_palloc_cache *cache);