/*
* YAFFS: Yet another Flash File System . A NAND-flash specific file system.
*
- * Copyright (C) 2002-2011 Aleph One Ltd.
- * for Toby Churchill Ltd and Brightstar Engineering
+ * Copyright (C) 2002-2018 Aleph One Ltd.
*
* Created by Charles Manning <charles@aleph1.co.uk>
*
/* Special sequence number for bad block that failed to be marked bad */
#define YAFFS_SEQUENCE_BAD_BLOCK 0xffff0000
-/* ChunkCache is used for short read/write operations.*/
+/* Chunk cache is used for short read/write operations.*/
struct yaffs_cache {
struct yaffs_obj *object;
int chunk_id;
u8 *data;
};
+struct yaffs_cache_manager {
+ struct yaffs_cache *cache;
+ int n_caches;
+ int cache_last_use;
+ int n_temp_buffers;
+};
+
/* yaffs1 tags structures in RAM
* NB This uses bitfield. Bitfields should not straddle a u32 boundary
* otherwise the structure size will get blown out.
YCHAR short_name[YAFFS_SHORT_NAME_LENGTH + 1];
#ifdef CONFIG_YAFFS_WINCE
+ //these are always 64 bits
u32 win_ctime[2];
u32 win_mtime[2];
u32 win_atime[2];
#else
- u32 yst_uid;
- u32 yst_gid;
- u32 yst_atime;
- u32 yst_mtime;
- u32 yst_ctime;
+ //these can be 32 or 64 bits
+ YTIME_T yst_uid;
+ YTIME_T yst_gid;
+ YTIME_T yst_atime;
+ YTIME_T yst_mtime;
+ YTIME_T yst_ctime;
#endif
u32 yst_rdev;
int buffered_block; /* Which block is buffered here? */
int doing_buffered_block_rewrite;
- struct yaffs_cache *cache;
- int cache_last_use;
+ struct yaffs_cache_manager cache_mgr;
/* Stuff for background deletion and unlinked files. */
struct yaffs_obj *unlinked_dir; /* Directory where unlinked and deleted
int yaffs_guts_initialise(struct yaffs_dev *dev);
void yaffs_deinitialise(struct yaffs_dev *dev);
+void yaffs_guts_cleanup(struct yaffs_dev *dev);
int yaffs_get_n_free_chunks(struct yaffs_dev *dev);
int do_endian);
loff_t yaffs_max_file_size(struct yaffs_dev *dev);
+
+/* yaffs_wr_data_obj needs to be exposed to allow the cache to access it. */
+int yaffs_wr_data_obj(struct yaffs_obj *in, int inode_chunk,
+ const u8 *buffer, int n_bytes, int use_reserve);
+
/*
* Debug function to count number of blocks in each state
* NB Needs to be called with correct number of integers