flash_v2: packages/fs/jffs2/current/src/malloc-ecos.c annotate

annotate packages/fs/jffs2/current/src/malloc-ecos.c @ 1443:cd7d2afbc7dd

Import latest JFFS2 code from David Woodhouse

author	gthomas
date	Thu, 11 Dec 2003 23:33:54 +0000
parents	00a9f2cb1081
children

rev	line source
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	1 /*
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	2 * JFFS2 -- Journalling Flash File System, Version 2.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	3 *
1443 cd7d2afbc7dd Import latest JFFS2 code from David Woodhouse gthomas parents: 1373 diff changeset	4 * Copyright (C) 2001-2003 Red Hat, Inc.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	5 *
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	6 * Created by David Woodhouse <dwmw2@cambridge.redhat.com>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	7 *
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	8 * For licensing information, see the file 'LICENCE' in this directory.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	9 *
1443 cd7d2afbc7dd Import latest JFFS2 code from David Woodhouse gthomas parents: 1373 diff changeset	10 * $Id: malloc-ecos.c,v 1.4 2003/11/26 15:55:35 dwmw2 Exp $
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	11 *
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	12 */
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	13
570 a7947d436e85 Update to latest public JFFS2 sources gthomas parents: 208 diff changeset	14 #include <linux/kernel.h>
1373 00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	15 #include <cyg/hal/drv_api.h>
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	16 #include "nodelist.h"
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	17
1373 00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	18 #if !defined(CYGNUM_FS_JFFS2_RAW_NODE_REF_CACHE_POOL_SIZE)
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	19 # define CYGNUM_FS_JFFS2_RAW_NODE_REF_CACHE_POOL_SIZE 0
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	20 #endif
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	21
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	22 struct jffs2_full_dirent *jffs2_alloc_full_dirent(int namesize)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	23 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	24 return malloc(sizeof(struct jffs2_full_dirent) + namesize);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	25 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	26
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	27 void jffs2_free_full_dirent(struct jffs2_full_dirent *x)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	28 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	29 free(x);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	30 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	31
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	32 struct jffs2_full_dnode *jffs2_alloc_full_dnode(void)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	33 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	34 return malloc(sizeof(struct jffs2_full_dnode));
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	35 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	36
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	37 void jffs2_free_full_dnode(struct jffs2_full_dnode *x)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	38 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	39 free(x);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	40 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	41
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	42 struct jffs2_raw_dirent *jffs2_alloc_raw_dirent(void)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	43 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	44 return malloc(sizeof(struct jffs2_raw_dirent));
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	45 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	46
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	47 void jffs2_free_raw_dirent(struct jffs2_raw_dirent *x)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	48 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	49 free(x);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	50 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	51
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	52 struct jffs2_raw_inode *jffs2_alloc_raw_inode(void)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	53 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	54 return malloc(sizeof(struct jffs2_raw_inode));
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	55 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	56
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	57 void jffs2_free_raw_inode(struct jffs2_raw_inode *x)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	58 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	59 free(x);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	60 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	61
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	62 struct jffs2_tmp_dnode_info *jffs2_alloc_tmp_dnode_info(void)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	63 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	64 return malloc(sizeof(struct jffs2_tmp_dnode_info));
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	65 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	66
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	67 void jffs2_free_tmp_dnode_info(struct jffs2_tmp_dnode_info *x)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	68 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	69 free(x);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	70 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	71
1373 00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	72 struct jffs2_node_frag *jffs2_alloc_node_frag(void)
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	73 {
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	74 return malloc(sizeof(struct jffs2_node_frag));
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	75 }
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	76
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	77 void jffs2_free_node_frag(struct jffs2_node_frag *x)
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	78 {
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	79 free(x);
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	80 }
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	81
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	82 #if CYGNUM_FS_JFFS2_RAW_NODE_REF_CACHE_POOL_SIZE == 0
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	83
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	84 int jffs2_create_slab_caches(void)
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	85 {
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	86 return 0;
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	87 }
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	88
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	89 void jffs2_destroy_slab_caches(void)
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	90 {
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	91 }
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	92
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	93 struct jffs2_raw_node_ref *jffs2_alloc_raw_node_ref(void)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	94 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	95 return malloc(sizeof(struct jffs2_raw_node_ref));
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	96 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	97
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	98 void jffs2_free_raw_node_ref(struct jffs2_raw_node_ref *x)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	99 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	100 free(x);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	101 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	102
1373 00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	103 #else // CYGNUM_FS_JFFS2_RAW_NODE_REF_CACHE_POOL_SIZE == 0
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	104
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	105 static struct jffs2_raw_node_ref
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	106 rnr_pool[CYGNUM_FS_JFFS2_RAW_NODE_REF_CACHE_POOL_SIZE] __attribute__ ((aligned (4))),
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	107 * first = NULL;
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	108 static cyg_drv_mutex_t mutex;
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	109
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	110 int jffs2_create_slab_caches(void)
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	111 {
1373 00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	112 struct jffs2_raw_node_ref * p;
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	113 cyg_drv_mutex_init(&mutex);
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	114 for (
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	115 p = rnr_pool;
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	116 p < rnr_pool + CYGNUM_FS_JFFS2_RAW_NODE_REF_CACHE_POOL_SIZE - 1;
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	117 p++
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	118 )
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	119 p->next_phys = p + 1;
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	120 rnr_pool[CYGNUM_FS_JFFS2_RAW_NODE_REF_CACHE_POOL_SIZE - 1].next_phys = NULL;
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	121 first = &rnr_pool[0];
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	122 return 0;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	123 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	124
1373 00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	125 void jffs2_destroy_slab_caches(void)
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	126 {
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	127 }
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	128
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	129 struct jffs2_raw_node_ref *jffs2_alloc_raw_node_ref(void)
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	130 {
1373 00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	131 struct jffs2_raw_node_ref * p;
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	132
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	133 cyg_drv_mutex_lock(&mutex);
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	134 p = first;
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	135 if (p != NULL)
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	136 first = p->next_phys;
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	137 cyg_drv_mutex_unlock(&mutex);
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	138 return p;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	139 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	140
1373 00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	141 void jffs2_free_raw_node_ref(struct jffs2_raw_node_ref *x)
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	142 {
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	143 cyg_drv_mutex_lock(&mutex);
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	144 x->next_phys = first;
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	145 first = x;
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	146 cyg_drv_mutex_unlock(&mutex);
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	147 }
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	148
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	149 #endif // CYGNUM_FS_JFFS2_RAW_NODE_REF_CACHE_POOL_SIZE == 0
00a9f2cb1081 * cdl/jffs2.cdl: asl parents: 570 diff changeset	150
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	151 struct jffs2_inode_cache *jffs2_alloc_inode_cache(void)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	152 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	153 struct jffs2_inode_cache *ret = malloc(sizeof(struct jffs2_inode_cache));
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	154 D1(printk(KERN_DEBUG "Allocated inocache at %p\n", ret));
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	155 return ret;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	156 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	157
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	158 void jffs2_free_inode_cache(struct jffs2_inode_cache *x)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	159 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	160 D1(printk(KERN_DEBUG "Freeing inocache at %p\n", x));
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	161 free(x);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	162 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	163

Mercurial > flash_v2

annotate packages/fs/jffs2/current/src/malloc-ecos.c @ 1443:cd7d2afbc7dd