1 /* -*- mode: c; c-basic-offset: 8; -*- 2 * vim: noexpandtab sw=8 ts=8 sts=0: 3 * 4 * localalloc.h 5 * 6 * Function prototypes 7 * 8 * Copyright (C) 2002, 2004 Oracle. All rights reserved. 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public 12 * License as published by the Free Software Foundation; either 13 * version 2 of the License, or (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 * General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public 21 * License along with this program; if not, write to the 22 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 23 * Boston, MA 021110-1307, USA. 24 */ 25 26 #ifndef OCFS2_LOCALALLOC_H 27 #define OCFS2_LOCALALLOC_H 28 29 int ocfs2_load_local_alloc(struct ocfs2_super *osb); 30 31 void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb); 32 33 void ocfs2_la_set_sizes(struct ocfs2_super *osb, int requested_mb); 34 unsigned int ocfs2_la_default_mb(struct ocfs2_super *osb); 35 36 int ocfs2_begin_local_alloc_recovery(struct ocfs2_super *osb, 37 int node_num, 38 struct ocfs2_dinode **alloc_copy); 39 40 int ocfs2_complete_local_alloc_recovery(struct ocfs2_super *osb, 41 struct ocfs2_dinode *alloc); 42 43 int ocfs2_alloc_should_use_local(struct ocfs2_super *osb, 44 u64 bits); 45 46 struct ocfs2_alloc_context; 47 int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb, 48 u32 bits_wanted, 49 struct ocfs2_alloc_context *ac); 50 51 int ocfs2_claim_local_alloc_bits(struct ocfs2_super *osb, 52 handle_t *handle, 53 struct ocfs2_alloc_context *ac, 54 u32 bits_wanted, 55 u32 *bit_off, 56 u32 *num_bits); 57 58 int ocfs2_free_local_alloc_bits(struct ocfs2_super *osb, 59 handle_t *handle, 60 struct ocfs2_alloc_context *ac, 61 u32 bit_off, 62 u32 num_bits); 63 64 void ocfs2_local_alloc_seen_free_bits(struct ocfs2_super *osb, 65 unsigned int num_clusters); 66 void ocfs2_la_enable_worker(struct work_struct *work); 67 68 #endif /* OCFS2_LOCALALLOC_H */ 69