X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_guts.h;h=22381f9c9fc695fd5741e5c9104cdc8448b0a4cf;hp=974396ff65c6b770239fbcbdafe21aff91b01778;hb=e40cfb32abd2a9147f6fc956fef433e794baadd0;hpb=c1422c27f5f17c68acf261209292c7489085df6b diff --git a/yaffs_guts.h b/yaffs_guts.h index 974396f..22381f9 100644 --- a/yaffs_guts.h +++ b/yaffs_guts.h @@ -1,8 +1,7 @@ /* * 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 * @@ -126,7 +125,7 @@ /* 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; @@ -137,6 +136,13 @@ struct yaffs_cache { 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. @@ -476,15 +482,17 @@ struct yaffs_obj { 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; @@ -742,8 +750,7 @@ struct yaffs_dev { 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 @@ -886,6 +893,7 @@ struct yaffs_xattr_mod { 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); @@ -1040,6 +1048,11 @@ loff_t yaffs_oh_to_size(struct yaffs_dev *dev, struct yaffs_obj_hdr *oh, 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