int dirty;
int n_bytes; /* Only valid if the cache is dirty */
int locked; /* Can't push out or flush while locked. */
- __u8 *data;
+ u8 *data;
} yaffs_cache_t;
typedef union {
yaffs_tags_t as_tags;
- __u8 as_bytes[8];
+ u8 as_bytes[8];
} yaffs_tags_union_t;
#endif
/* Spare structure for YAFFS1 */
typedef struct {
- __u8 tb0;
- __u8 tb1;
- __u8 tb2;
- __u8 tb3;
- __u8 page_status; /* set to 0 to delete the chunk */
- __u8 block_status;
- __u8 tb4;
- __u8 tb5;
- __u8 ecc1[3];
- __u8 tb6;
- __u8 tb7;
- __u8 ecc2[3];
+ u8 tb0;
+ u8 tb1;
+ u8 tb2;
+ u8 tb3;
+ u8 page_status; /* set to 0 to delete the chunk */
+ u8 block_status;
+ u8 tb4;
+ u8 tb5;
+ u8 ecc1[3];
+ u8 tb6;
+ u8 tb7;
+ u8 ecc2[3];
} yaffs_spare;
/*Special structure for passing through to mtd */
int soft_del_pages:10; /* number of soft deleted pages */
int pages_in_use:10; /* number of pages in use */
unsigned block_state:4; /* One of the above block states. NB use unsigned because enum is sometimes an int */
- __u32 needs_retiring:1; /* Data has failed on this block, need to get valid data off */
+ u32 needs_retiring:1; /* Data has failed on this block, need to get valid data off */
/* and retire the block. */
- __u32 skip_erased_check:1; /* If this is set we can skip the erased check on this block */
- __u32 gc_prioritise:1; /* An ECC check or blank check has failed on this block.
+ u32 skip_erased_check:1; /* If this is set we can skip the erased check on this block */
+ u32 gc_prioritise:1; /* An ECC check or blank check has failed on this block.
It should be prioritised for GC */
- __u32 chunk_error_strikes:3; /* How many times we've had ecc etc failures on this block and tried to reuse it */
+ u32 chunk_error_strikes:3; /* How many times we've had ecc etc failures on this block and tried to reuse it */
#ifdef CONFIG_YAFFS_YAFFS2
- __u32 has_shrink_hdr:1; /* This block has at least one shrink object header */
- __u32 seq_number; /* block sequence number for yaffs2 */
+ u32 has_shrink_hdr:1; /* This block has at least one shrink object header */
+ u32 seq_number; /* block sequence number for yaffs2 */
#endif
} yaffs_block_info_t;
/* Apply to everything */
int parent_obj_id;
- __u16 sum_no_longer_used; /* checksum of name. No longer used */
+ u16 sum_no_longer_used; /* checksum of name. No longer used */
YCHAR name[YAFFS_MAX_NAME_LENGTH + 1];
/* The following apply to directories, files, symlinks - not hard links */
- __u32 yst_mode; /* protection */
+ u32 yst_mode; /* protection */
#ifdef CONFIG_YAFFS_WINCE
- __u32 not_for_wince[5];
+ u32 not_for_wince[5];
#else
- __u32 yst_uid;
- __u32 yst_gid;
- __u32 yst_atime;
- __u32 yst_mtime;
- __u32 yst_ctime;
+ u32 yst_uid;
+ u32 yst_gid;
+ u32 yst_atime;
+ u32 yst_mtime;
+ u32 yst_ctime;
#endif
/* File size applies to files only */
/* Alias is for symlinks only. */
YCHAR alias[YAFFS_MAX_ALIAS_LENGTH + 1];
- __u32 yst_rdev; /* device stuff for block and char devices (major/min) */
+ u32 yst_rdev; /* device stuff for block and char devices (major/min) */
#ifdef CONFIG_YAFFS_WINCE
- __u32 win_ctime[2];
- __u32 win_atime[2];
- __u32 win_mtime[2];
+ u32 win_ctime[2];
+ u32 win_atime[2];
+ u32 win_mtime[2];
#else
- __u32 room_to_grow[6];
+ u32 room_to_grow[6];
#endif
- __u32 inband_shadowed_obj_id;
- __u32 inband_is_shrink;
+ u32 inband_shadowed_obj_id;
+ u32 inband_is_shrink;
- __u32 reserved[2];
+ u32 reserved[2];
int shadows_obj; /* This object header shadows the specified object if > 0 */
/* is_shrink applies to object headers written when we shrink the file (ie resize) */
- __u32 is_shrink;
+ u32 is_shrink;
} yaffs_obj_header;
*/
typedef struct {
- __u32 file_size;
- __u32 scanned_size;
- __u32 shrink_size;
+ u32 file_size;
+ u32 scanned_size;
+ u32 shrink_size;
int top_level;
yaffs_tnode_t *top;
} yaffs_file_s;
typedef struct {
struct yaffs_obj_s *equiv_obj;
- __u32 equiv_id;
+ u32 equiv_id;
} yaffs_hard_link_s;
typedef union {
struct yaffs_obj_s {
- __u8 deleted:1; /* This should only apply to unlinked files. */
- __u8 soft_del:1; /* it has also been soft deleted */
- __u8 unlinked:1; /* An unlinked file. The file should be in the unlinked directory.*/
- __u8 fake:1; /* A fake object has no presence on NAND. */
- __u8 rename_allowed:1; /* Some objects are not allowed to be renamed. */
- __u8 unlink_allowed:1;
- __u8 dirty:1; /* the object needs to be written to flash */
- __u8 valid:1; /* When the file system is being loaded up, this
+ u8 deleted:1; /* This should only apply to unlinked files. */
+ u8 soft_del:1; /* it has also been soft deleted */
+ u8 unlinked:1; /* An unlinked file. The file should be in the unlinked directory.*/
+ u8 fake:1; /* A fake object has no presence on NAND. */
+ u8 rename_allowed:1; /* Some objects are not allowed to be renamed. */
+ u8 unlink_allowed:1;
+ u8 dirty:1; /* the object needs to be written to flash */
+ u8 valid:1; /* When the file system is being loaded up, this
* object might be created before the data
* is available (ie. file data records appear before the header).
*/
- __u8 lazy_loaded:1; /* This object has been lazy loaded and is missing some detail */
+ u8 lazy_loaded:1; /* This object has been lazy loaded and is missing some detail */
- __u8 defered_free:1; /* For Linux kernel. Object is removed from NAND, but is
+ u8 defered_free:1; /* For Linux kernel. Object is removed from NAND, but is
* still in the inode cache. Free of object is defered.
* until the inode is released.
*/
- __u8 being_created:1; /* This object is still being created so skip some checks. */
- __u8 is_shadowed:1; /* This object is shadowed on the way to being renamed. */
+ u8 being_created:1; /* This object is still being created so skip some checks. */
+ u8 is_shadowed:1; /* This object is shadowed on the way to being renamed. */
- __u8 xattr_known:1; /* We know if this has object has xattribs or not. */
- __u8 has_xattr:1; /* This object has xattribs. Valid if xattr_known. */
+ u8 xattr_known:1; /* We know if this has object has xattribs or not. */
+ u8 has_xattr:1; /* This object has xattribs. Valid if xattr_known. */
- __u8 serial; /* serial number of chunk in NAND. Cached here */
- __u16 sum; /* sum of the name to speed searching */
+ u8 serial; /* serial number of chunk in NAND. Cached here */
+ u16 sum; /* sum of the name to speed searching */
struct yaffs_dev_s *my_dev; /* The device I'm on */
int n_data_chunks; /* Number of data chunks attached to the file. */
- __u32 obj_id; /* the object id value */
+ u32 obj_id; /* the object id value */
- __u32 yst_mode;
+ u32 yst_mode;
#ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM
YCHAR short_name[YAFFS_SHORT_NAME_LENGTH + 1];
#endif
#ifdef CONFIG_YAFFS_WINCE
- __u32 win_ctime[2];
- __u32 win_mtime[2];
- __u32 win_atime[2];
+ 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;
+ u32 yst_uid;
+ u32 yst_gid;
+ u32 yst_atime;
+ u32 yst_mtime;
+ u32 yst_ctime;
#endif
- __u32 yst_rdev;
+ u32 yst_rdev;
void *my_inode;
typedef struct {
int struct_type;
- __u32 obj_id;
- __u32 parent_id;
+ u32 obj_id;
+ u32 parent_id;
int hdr_chunk;
yaffs_obj_type variant_type:3;
- __u8 deleted:1;
- __u8 soft_del:1;
- __u8 unlinked:1;
- __u8 fake:1;
- __u8 rename_allowed:1;
- __u8 unlink_allowed:1;
- __u8 serial;
+ u8 deleted:1;
+ u8 soft_del:1;
+ u8 unlinked:1;
+ u8 fake:1;
+ u8 rename_allowed:1;
+ u8 unlink_allowed:1;
+ u8 serial;
int n_data_chunks;
- __u32 size_or_equiv_obj;
+ u32 size_or_equiv_obj;
} yaffs_checkpt_obj_t;
/*--------------------- Temporary buffers ----------------
*/
typedef struct {
- __u8 *buffer;
+ u8 *buffer;
int line; /* track from whence this buffer was allocated */
int max_line;
} yaffs_buffer_t;
*/
int inband_tags; /* Use unband tags */
- __u32 total_bytes_per_chunk; /* Should be >= 512, does not need to be a power of 2 */
+ u32 total_bytes_per_chunk; /* Should be >= 512, does not need to be a power of 2 */
int chunks_per_block; /* does not need to be a power of 2 */
int spare_bytes_per_chunk; /* spare area size */
int start_block; /* Start block we're allowed to use */
int refresh_period; /* How often we should check to do a block refresh */
/* Checkpoint control. Can be set before or after initialisation */
- __u8 skip_checkpt_rd;
- __u8 skip_checkpt_wr;
+ u8 skip_checkpt_rd;
+ u8 skip_checkpt_wr;
int enable_xattr; /* Enable xattribs */
/* NAND access functions (Must be set before calling YAFFS)*/
int (*write_chunk_fn) (struct yaffs_dev_s *dev,
- int nand_chunk, const __u8 *data,
+ int nand_chunk, const u8 *data,
const yaffs_spare *spare);
int (*read_chunk_fn) (struct yaffs_dev_s *dev,
- int nand_chunk, __u8 *data,
+ int nand_chunk, u8 *data,
yaffs_spare *spare);
int (*erase_fn) (struct yaffs_dev_s *dev,
int flash_block);
#ifdef CONFIG_YAFFS_YAFFS2
int (*write_chunk_tags_fn) (struct yaffs_dev_s *dev,
- int nand_chunk, const __u8 *data,
+ int nand_chunk, const u8 *data,
const yaffs_ext_tags *tags);
int (*read_chunk_tags_fn) (struct yaffs_dev_s *dev,
- int nand_chunk, __u8 *data,
+ int nand_chunk, u8 *data,
yaffs_ext_tags *tags);
int (*bad_block_fn) (struct yaffs_dev_s *dev, int block_no);
int (*query_block_fn) (struct yaffs_dev_s *dev, int block_no,
- yaffs_block_state_t *state, __u32 *seq_number);
+ yaffs_block_state_t *state, u32 *seq_number);
#endif
/* The remove_obj_fn function must be supplied by OS flavours that
int data_bytes_per_chunk;
/* Non-wide tnode stuff */
- __u16 chunk_grp_bits; /* Number of bits that need to be resolved if
+ u16 chunk_grp_bits; /* Number of bits that need to be resolved if
* the tnodes are not wide enough.
*/
- __u16 chunk_grp_size; /* == 2^^chunk_grp_bits */
+ u16 chunk_grp_size; /* == 2^^chunk_grp_bits */
/* Stuff to support wide tnodes */
- __u32 tnode_width;
- __u32 tnode_mask;
- __u32 tnode_size;
+ u32 tnode_width;
+ u32 tnode_mask;
+ u32 tnode_size;
/* Stuff for figuring out file offset to chunk conversions */
- __u32 chunk_shift; /* Shift value */
- __u32 chunk_div; /* Divisor after shifting: 1 for power-of-2 sizes */
- __u32 chunk_mask; /* Mask to use for power-of-2 case */
+ u32 chunk_shift; /* Shift value */
+ u32 chunk_div; /* Divisor after shifting: 1 for power-of-2 sizes */
+ u32 chunk_mask; /* Mask to use for power-of-2 case */
int checkpt_page_seq; /* running sequence number of checkpoint pages */
int checkpt_byte_count;
int checkpt_byte_offs;
- __u8 *checkpt_buffer;
+ u8 *checkpt_buffer;
int checkpt_open_write;
int blocks_in_checkpt;
int checkpt_cur_chunk;
int checkpt_next_block;
int *checkpt_block_list;
int checkpt_max_blocks;
- __u32 checkpt_sum;
- __u32 checkpt_xor;
+ u32 checkpt_sum;
+ u32 checkpt_xor;
int checkpoint_blocks_required; /* Number of blocks needed to store current checkpoint set */
/* Block Info */
yaffs_block_info_t *block_info;
- __u8 *chunk_bits; /* bitmap of chunks in use */
+ u8 *chunk_bits; /* bitmap of chunks in use */
unsigned block_info_alt:1; /* was allocated using alternative strategy */
unsigned chunk_bits_alt:1; /* was allocated using alternative strategy */
int chunk_bit_stride; /* Number of bytes of chunk_bits per block.
int n_erased_blocks;
int alloc_block; /* Current block being allocated off */
- __u32 alloc_page;
+ u32 alloc_page;
int alloc_block_finder; /* Used to search for next allocation block */
/* Object and Tnode memory management */
int n_hardlinks;
yaffs_obj_bucket obj_bucket[YAFFS_NOBJECT_BUCKETS];
- __u32 bucket_finder;
+ u32 bucket_finder;
int n_free_chunks;
/* Garbage collection control */
- __u32 *gc_cleanup_list; /* objects to delete at the end of a GC. */
- __u32 n_clean_ups;
+ u32 *gc_cleanup_list; /* objects to delete at the end of a GC. */
+ u32 n_clean_ups;
unsigned has_pending_prioritised_gc; /* We think this device might have pending prioritised gcs */
unsigned gc_disable;
yaffs_obj_t *lost_n_found;
/* Buffer areas for storing data to recover from write failures TODO
- * __u8 buffered_data[YAFFS_CHUNKS_PER_BLOCK][YAFFS_BYTES_PER_CHUNK];
+ * u8 buffered_data[YAFFS_CHUNKS_PER_BLOCK][YAFFS_BYTES_PER_CHUNK];
* yaffs_spare buffered_spare[YAFFS_CHUNKS_PER_BLOCK];
*/
/* Statistcs */
- __u32 n_page_writes;
- __u32 n_page_reads;
- __u32 n_erasures;
- __u32 n_erase_failures;
- __u32 n_gc_copies;
- __u32 all_gcs;
- __u32 passive_gc_count;
- __u32 oldest_dirty_gc_count;
- __u32 n_gc_blocks;
- __u32 bg_gcs;
- __u32 n_retired_writes;
- __u32 n_retired_blocks;
- __u32 n_ecc_fixed;
- __u32 n_ecc_unfixed;
- __u32 n_tags_ecc_fixed;
- __u32 n_tags_ecc_unfixed;
- __u32 n_deletions;
- __u32 n_unmarked_deletions;
- __u32 refresh_count;
- __u32 cache_hits;
+ u32 n_page_writes;
+ u32 n_page_reads;
+ u32 n_erasures;
+ u32 n_erase_failures;
+ u32 n_gc_copies;
+ u32 all_gcs;
+ u32 passive_gc_count;
+ u32 oldest_dirty_gc_count;
+ u32 n_gc_blocks;
+ u32 bg_gcs;
+ u32 n_retired_writes;
+ u32 n_retired_blocks;
+ u32 n_ecc_fixed;
+ u32 n_ecc_unfixed;
+ u32 n_tags_ecc_fixed;
+ u32 n_tags_ecc_unfixed;
+ u32 n_deletions;
+ u32 n_unmarked_deletions;
+ u32 refresh_count;
+ u32 cache_hits;
};
int struct_type;
int n_erased_blocks;
int alloc_block; /* Current block being allocated off */
- __u32 alloc_page;
+ u32 alloc_page;
int n_free_chunks;
int n_deleted_files; /* Count of files awaiting deletion;*/
typedef struct {
int struct_type;
- __u32 magic;
- __u32 version;
- __u32 head;
+ u32 magic;
+ u32 version;
+ u32 head;
} yaffs_checkpt_validty_t;
int yaffs_get_attribs(yaffs_obj_t *obj, struct iattr *attr);
/* File operations */
-int yaffs_file_rd(yaffs_obj_t *obj, __u8 *buffer, loff_t offset,
+int yaffs_file_rd(yaffs_obj_t *obj, u8 *buffer, loff_t offset,
int n_bytes);
-int yaffs_wr_file(yaffs_obj_t *obj, const __u8 *buffer, loff_t offset,
+int yaffs_wr_file(yaffs_obj_t *obj, const u8 *buffer, loff_t offset,
int n_bytes, int write_trhrough);
int yaffs_resize_file(yaffs_obj_t *obj, loff_t new_size);
yaffs_obj_t *yaffs_create_file(yaffs_obj_t *parent, const YCHAR *name,
- __u32 mode, __u32 uid, __u32 gid);
+ u32 mode, u32 uid, u32 gid);
int yaffs_flush_file(yaffs_obj_t *obj, int update_time, int data_sync);
/* Directory operations */
yaffs_obj_t *yaffs_create_dir(yaffs_obj_t *parent, const YCHAR *name,
- __u32 mode, __u32 uid, __u32 gid);
+ u32 mode, u32 uid, u32 gid);
yaffs_obj_t *yaffs_find_by_name(yaffs_obj_t *the_dir, const YCHAR *name);
-yaffs_obj_t *yaffs_find_by_number(yaffs_dev_t *dev, __u32 number);
+yaffs_obj_t *yaffs_find_by_number(yaffs_dev_t *dev, u32 number);
/* Link operations */
yaffs_obj_t *yaffs_link_obj(yaffs_obj_t *parent, const YCHAR *name,
/* Symlink operations */
yaffs_obj_t *yaffs_create_symlink(yaffs_obj_t *parent, const YCHAR *name,
- __u32 mode, __u32 uid, __u32 gid,
+ u32 mode, u32 uid, u32 gid,
const YCHAR *alias);
YCHAR *yaffs_get_symlink_alias(yaffs_obj_t *obj);
/* Special inodes (fifos, sockets and devices) */
yaffs_obj_t *yaffs_create_special(yaffs_obj_t *parent, const YCHAR *name,
- __u32 mode, __u32 uid, __u32 gid, __u32 rdev);
+ u32 mode, u32 uid, u32 gid, u32 rdev);
int yaffs_set_xattrib(yaffs_obj_t *obj, const YCHAR *name, const void * value, int size, int flags);
#ifdef CONFIG_YAFFS_WINCE
/* CONFIG_YAFFS_WINCE special stuff */
-void yfsd_win_file_time_now(__u32 target[2]);
+void yfsd_win_file_time_now(u32 target[2]);
#endif
void yaffs_handle_defered_free(yaffs_obj_t *obj);
/* A few useful functions to be used within the core files*/
void yaffs_chunk_del(yaffs_dev_t *dev, int chunk_id, int mark_flash, int lyn);
-int yaffs_check_ff(__u8 *buffer, int n_bytes);
+int yaffs_check_ff(u8 *buffer, int n_bytes);
void yaffs_handle_chunk_error(yaffs_dev_t *dev, yaffs_block_info_t *bi);
-__u8 *yaffs_get_temp_buffer(yaffs_dev_t *dev, int line_no);
-void yaffs_release_temp_buffer(yaffs_dev_t *dev, __u8 *buffer, int line_no);
+u8 *yaffs_get_temp_buffer(yaffs_dev_t *dev, int line_no);
+void yaffs_release_temp_buffer(yaffs_dev_t *dev, u8 *buffer, int line_no);
yaffs_obj_t *yaffs_find_or_create_by_number(yaffs_dev_t *dev,
int number,
yaffs_tnode_t *yaffs_get_tnode(yaffs_dev_t *dev);
yaffs_tnode_t *yaffs_add_find_tnode_0(yaffs_dev_t *dev,
yaffs_file_s *file_struct,
- __u32 chunk_id,
+ u32 chunk_id,
yaffs_tnode_t *passed_tn);
-int yaffs_do_file_wr(yaffs_obj_t *in, const __u8 *buffer, loff_t offset,
+int yaffs_do_file_wr(yaffs_obj_t *in, const u8 *buffer, loff_t offset,
int n_bytes, int write_trhrough);
void yaffs_resize_file_down( yaffs_obj_t *obj, loff_t new_size);
void yaffs_skip_rest_of_block(yaffs_dev_t *dev);
yaffs_tnode_t *yaffs_find_tnode_0(yaffs_dev_t *dev,
yaffs_file_s *file_struct,
- __u32 chunk_id);
+ u32 chunk_id);
-__u32 yaffs_get_group_base(yaffs_dev_t *dev, yaffs_tnode_t *tn, unsigned pos);
+u32 yaffs_get_group_base(yaffs_dev_t *dev, yaffs_tnode_t *tn, unsigned pos);
#endif
projects / yaffs2.git / blobdiff