diff options
Diffstat (limited to 'target/linux/generic/files/fs/yaffs2/yaffs_linux_allocator.c')
| -rw-r--r-- | target/linux/generic/files/fs/yaffs2/yaffs_linux_allocator.c | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/target/linux/generic/files/fs/yaffs2/yaffs_linux_allocator.c b/target/linux/generic/files/fs/yaffs2/yaffs_linux_allocator.c deleted file mode 100644 index f39b9aad28..0000000000 --- a/target/linux/generic/files/fs/yaffs2/yaffs_linux_allocator.c +++ /dev/null @@ -1,200 +0,0 @@ -/* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. - * - * Copyright (C) 2002-2010 Aleph One Ltd. - * for Toby Churchill Ltd and Brightstar Engineering - * - * Created by Charles Manning <charles@aleph1.co.uk> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License version 2.1 as - * published by the Free Software Foundation. - * - * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. - * - * Note: Tis code is currently unused. Being checked in in case it becomes useful. - */ - - -#include "yaffs_allocator.h" -#include "yaffs_guts.h" -#include "yaffs_trace.h" -#include "yportenv.h" -#include "yaffs_linux.h" -/* - * Start out with the same allocator as yaffs direct. - * Todo: Change to Linux slab allocator. - */ - - - -#define NAMELEN 20 -struct yaffs_AllocatorStruct { - char tnode_name[NAMELEN+1]; - char object_name[NAMELEN+1]; - struct kmem_cache *tnode_cache; - struct kmem_cache *object_cache; -}; - -typedef struct yaffs_AllocatorStruct yaffs_Allocator; - -int mount_id; - -void yaffs_deinit_raw_tnodes_and_objs(yaffs_dev_t *dev) -{ - yaffs_Allocator *allocator = (yaffs_Allocator *)dev->allocator; - - T(YAFFS_TRACE_ALLOCATE,(TSTR("Deinitialising yaffs allocator\n"))); - - if(allocator){ - if(allocator->tnode_cache){ - kmem_cache_destroy(allocator->tnode_cache); - allocator->tnode_cache = NULL; - } else { - T(YAFFS_TRACE_ALWAYS, - (TSTR("NULL tnode cache\n"))); - YBUG(); - } - - if(allocator->object_cache){ - kmem_cache_destroy(allocator->object_cache); - allocator->object_cache = NULL; - } else { - T(YAFFS_TRACE_ALWAYS, - (TSTR("NULL object cache\n"))); - YBUG(); - } - - YFREE(allocator); - - } else { - T(YAFFS_TRACE_ALWAYS, - (TSTR("Deinitialising NULL allocator\n"))); - YBUG(); - } - dev->allocator = NULL; -} - - -static void fake_ctor0(void *data){data = data;} -static void fake_ctor1(void *data){data = data;} -static void fake_ctor2(void *data){data = data;} -static void fake_ctor3(void *data){data = data;} -static void fake_ctor4(void *data){data = data;} -static void fake_ctor5(void *data){data = data;} -static void fake_ctor6(void *data){data = data;} -static void fake_ctor7(void *data){data = data;} -static void fake_ctor8(void *data){data = data;} -static void fake_ctor9(void *data){data = data;} - -static void (*fake_ctor_list[10]) (void *) = { - fake_ctor0, - fake_ctor1, - fake_ctor2, - fake_ctor3, - fake_ctor4, - fake_ctor5, - fake_ctor6, - fake_ctor7, - fake_ctor8, - fake_ctor9, -}; - -void yaffs_init_raw_tnodes_and_objs(yaffs_dev_t *dev) -{ - yaffs_Allocator *allocator; - unsigned mount_id = yaffs_dev_to_lc(dev)->mount_id; - - T(YAFFS_TRACE_ALLOCATE,(TSTR("Initialising yaffs allocator\n"))); - - if(dev->allocator) - YBUG(); - else if(mount_id >= 10){ - T(YAFFS_TRACE_ALWAYS,(TSTR("Bad mount_id %u\n"),mount_id)); - } else { - allocator = YMALLOC(sizeof(yaffs_Allocator)); - memset(allocator,0,sizeof(yaffs_Allocator)); - dev->allocator = allocator; - - if(!dev->allocator){ - T(YAFFS_TRACE_ALWAYS, - (TSTR("yaffs allocator creation failed\n"))); - YBUG(); - return; - - } - - sprintf(allocator->tnode_name,"yaffs_t_%u",mount_id); - sprintf(allocator->object_name,"yaffs_o_%u",mount_id); - - allocator->tnode_cache = - kmem_cache_create(allocator->tnode_name, - dev->tnode_size, - 0, 0, - fake_ctor_list[mount_id]); - if(allocator->tnode_cache) - T(YAFFS_TRACE_ALLOCATE, - (TSTR("tnode cache \"%s\" %p\n"), - allocator->tnode_name,allocator->tnode_cache)); - else { - T(YAFFS_TRACE_ALWAYS, - (TSTR("yaffs cache creation failed\n"))); - YBUG(); - } - - - allocator->object_cache = - kmem_cache_create(allocator->object_name, - sizeof(yaffs_obj_t), - 0, 0, - fake_ctor_list[mount_id]); - - if(allocator->object_cache) - T(YAFFS_TRACE_ALLOCATE, - (TSTR("object cache \"%s\" %p\n"), - allocator->object_name,allocator->object_cache)); - - else { - T(YAFFS_TRACE_ALWAYS, - (TSTR("yaffs cache creation failed\n"))); - YBUG(); - } - } -} - - -yaffs_tnode_t *yaffs_alloc_raw_tnode(yaffs_dev_t *dev) -{ - yaffs_Allocator *allocator = dev->allocator; - if(!allocator || !allocator->tnode_cache){ - YBUG(); - return NULL; - } - return kmem_cache_alloc(allocator->tnode_cache, GFP_NOFS); -} - -void yaffs_free_raw_tnode(yaffs_dev_t *dev, yaffs_tnode_t *tn) -{ - yaffs_Allocator *allocator = dev->allocator; - kmem_cache_free(allocator->tnode_cache,tn); -} - -yaffs_obj_t *yaffs_alloc_raw_obj(yaffs_dev_t *dev) -{ - yaffs_Allocator *allocator = dev->allocator; - if(!allocator){ - YBUG(); - return NULL; - } - if(!allocator->object_cache){ - YBUG(); - return NULL; - } - return kmem_cache_alloc(allocator->object_cache, GFP_NOFS); -} - -void yaffs_free_raw_obj(yaffs_dev_t *dev, yaffs_obj_t *obj) -{ - yaffs_Allocator *allocator = dev->allocator; - kmem_cache_free(allocator->object_cache,obj); -} |