#define YAFFS_MAX_CHUNK_ID 0x000FFFFF
-
#define YAFFS_ALLOCATION_NOBJECTS 100
#define YAFFS_ALLOCATION_NTNODES 100
#define YAFFS_ALLOCATION_NLINKS 100
#define YAFFS_NOBJECT_BUCKETS 256
-
#define YAFFS_OBJECT_SPACE 0x40000
#define YAFFS_MAX_OBJECT_ID (YAFFS_OBJECT_SPACE -1)
#define YAFFS_OBJECTID_CHECKPOINT_DATA 0x20
#define YAFFS_SEQUENCE_CHECKPOINT_DATA 0x21
-
#define YAFFS_MAX_SHORT_OP_CACHES 20
#define YAFFS_N_TEMP_BUFFERS 6
int n_bytes; /* Only valid if the cache is dirty */
int locked; /* Can't push out or flush while locked. */
u8 *data;
-} ;
-
-
+};
/* Tags structures in RAM
* NB This uses bitfield. Bitfields should not straddle a u32 boundary otherwise
unsigned n_bytes_msb:2;
};
-union yaffs_tags_union{
+union yaffs_tags_union {
struct yaffs_tags as_tags;
u8 as_bytes[8];
-} ;
+};
#endif
YAFFS_ECC_RESULT_NO_ERROR,
YAFFS_ECC_RESULT_FIXED,
YAFFS_ECC_RESULT_UNFIXED
-} ;
+};
enum yaffs_obj_type {
YAFFS_OBJECT_TYPE_UNKNOWN,
YAFFS_OBJECT_TYPE_DIRECTORY,
YAFFS_OBJECT_TYPE_HARDLINK,
YAFFS_OBJECT_TYPE_SPECIAL
-} ;
+};
#define YAFFS_OBJECT_TYPE_MAX YAFFS_OBJECT_TYPE_SPECIAL
-struct yaffs_ext_tags{
+struct yaffs_ext_tags {
unsigned validity0;
unsigned chunk_used; /* Status of the chunk: used or unused */
unsigned extra_available; /* There is extra info available if this is not zero */
unsigned extra_parent_id; /* The parent object */
unsigned extra_is_shrink; /* Is it a shrink header? */
- unsigned extra_shadows; /* Does this shadow another object? */
+ unsigned extra_shadows; /* Does this shadow another object? */
enum yaffs_obj_type extra_obj_type; /* What object type? */
- unsigned extra_length; /* Length if it is a file */
+ unsigned extra_length; /* Length if it is a file */
unsigned extra_equiv_id; /* Equivalent object Id if it is a hard link */
unsigned validity1;
};
/* Spare structure for YAFFS1 */
-struct yaffs_spare{
+struct yaffs_spare {
u8 tb0;
u8 tb1;
u8 tb2;
u8 tb3;
- u8 page_status; /* set to 0 to delete the chunk */
+ u8 page_status; /* set to 0 to delete the chunk */
u8 block_status;
u8 tb4;
u8 tb5;
u8 tb6;
u8 tb7;
u8 ecc2[3];
-} ;
+};
/*Special structure for passing through to mtd */
struct yaffs_nand_spare {
/* Block data in RAM */
-enum yaffs_block_state{
+enum yaffs_block_state {
YAFFS_BLOCK_STATE_UNKNOWN = 0,
YAFFS_BLOCK_STATE_SCANNING,
- /* Being scanned */
+ /* Being scanned */
YAFFS_BLOCK_STATE_NEEDS_SCANNING,
/* The block might have something on it (ie it is allocating or full, perhaps empty)
* At least one page holds valid data.
* This is the one currently being used for page
* allocation. Should never be more than one of these.
- * If a block is only partially allocated at mount it is treated as full.
+ * If a block is only partially allocated at mount it is treated as full.
*/
YAFFS_BLOCK_STATE_FULL,
/* All the pages in this block have been allocated.
- * If a block was only partially allocated when mounted we treat
- * it as fully allocated.
+ * If a block was only partially allocated when mounted we treat
+ * it as fully allocated.
*/
YAFFS_BLOCK_STATE_DIRTY,
/* This block is being garbage collected */
YAFFS_BLOCK_STATE_DEAD
- /* This block has failed and is not in use */
+ /* This block has failed and is not in use */
};
#define YAFFS_NUMBER_OF_BLOCK_STATES (YAFFS_BLOCK_STATE_DEAD + 1)
-
-struct yaffs_block_info{
+struct yaffs_block_info {
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 */
- /* 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.
+ /* 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.
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
-} ;
+};
/* -------------------------- Object structure -------------------------------*/
/* This is the object structure as stored on NAND */
/* 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];
-#else
u32 yst_uid;
u32 yst_gid;
u32 yst_atime;
u32 yst_mtime;
u32 yst_ctime;
-#endif
/* File size applies to files only */
int file_size;
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];
-#else
- u32 room_to_grow[6];
-#endif
u32 inband_shadowed_obj_id;
u32 inband_is_shrink;
struct yaffs_tnode *internal[YAFFS_NTNODES_INTERNAL];
};
-
-
/*------------------------ Object -----------------------------*/
/* An object can be one of:
* - a directory (no data, has children links
u32 shrink_size;
int top_level;
struct yaffs_tnode *top;
-} ;
+};
-struct yaffs_dir_var{
- struct list_head children; /* list of child links */
+struct yaffs_dir_var {
+ struct list_head children; /* list of child links */
struct list_head dirty; /* Entry for list of dirty directories */
};
-struct yaffs_symlink_var{
+struct yaffs_symlink_var {
YCHAR *alias;
};
-struct yaffs_hardlink_var{
+struct yaffs_hardlink_var {
struct yaffs_obj *equiv_obj;
u32 equiv_id;
};
-union yaffs_obj_var{
+union yaffs_obj_var {
struct yaffs_file_var file_variant;
struct yaffs_dir_var dir_variant;
struct yaffs_symlink_var symlink_variant;
struct yaffs_hardlink_var hardlink_variant;
};
-
-
struct yaffs_obj {
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 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 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 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 */
- struct yaffs_dev *my_dev; /* The device I'm on */
+ struct yaffs_dev *my_dev; /* The device I'm on */
- struct list_head hash_link; /* list of objects in this hash bucket */
+ struct list_head hash_link; /* list of objects in this hash bucket */
- struct list_head hard_links; /* all the equivalent hard linked objects */
+ struct list_head hard_links; /* all the equivalent hard linked objects */
/* directory structure stuff */
/* also used for linking up the free list */
u32 yst_mode;
-#ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM
+#ifndef CONFIG_YAFFS_NO_SHORT_NAMES
YCHAR short_name[YAFFS_SHORT_NAME_LENGTH + 1];
#endif
struct yaffs_obj_bucket {
struct list_head list;
int count;
-} ;
-
+};
/* yaffs_checkpt_obj holds the definition of an object as dumped
* by checkpointing.
*/
-struct yaffs_checkpt_obj{
+struct yaffs_checkpt_obj {
int struct_type;
u32 obj_id;
u32 parent_id;
struct yaffs_buffer {
u8 *buffer;
- int line; /* track from whence this buffer was allocated */
+ int line; /* track from whence this buffer was allocated */
int max_line;
-} ;
+};
/*----------------- Device ---------------------------------*/
-
struct yaffs_param {
const YCHAR *name;
/*
- * Entry parameters set up way early. Yaffs sets up the rest.
- * The structure should be zeroed out before use so that unused
- * and defualt values are zero.
- */
+ * Entry parameters set up way early. Yaffs sets up the rest.
+ * The structure should be zeroed out before use so that unused
+ * and defualt values are zero.
+ */
- int inband_tags; /* Use unband tags */
- u32 total_bytes_per_chunk; /* Should be >= 512, does not need to be a power of 2 */
+ int inband_tags; /* Use unband tags */
+ 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 start_block; /* Start block we're allowed to use */
int end_block; /* End block we're allowed to use */
int n_reserved_blocks; /* We want this tuneable so that we can reduce */
- /* reserved blocks on NOR and RAM. */
-
+ /* reserved blocks on NOR and RAM. */
- int n_caches; /* If <= 0, then short op caching is disabled, else
+ int n_caches; /* If <= 0, then short op caching is disabled, else
* the number of short op caches (don't use too many).
- * 10 to 20 is a good bet.
+ * 10 to 20 is a good bet.
*/
- int use_nand_ecc; /* Flag to decide whether or not to use NANDECC on data (yaffs1) */
- int no_tags_ecc; /* Flag to decide whether or not to do ECC on packed tags (yaffs2) */
+ int use_nand_ecc; /* Flag to decide whether or not to use NANDECC on data (yaffs1) */
+ int no_tags_ecc; /* Flag to decide whether or not to do ECC on packed tags (yaffs2) */
- int is_yaffs2; /* Use yaffs2 mode on this device */
+ int is_yaffs2; /* Use yaffs2 mode on this device */
- int empty_lost_n_found; /* Auto-empty lost+found directory on mount */
+ int empty_lost_n_found; /* Auto-empty lost+found directory on mount */
int refresh_period; /* How often we should check to do a block refresh */
int enable_xattr; /* Enable xattribs */
- /* NAND access functions (Must be set before calling YAFFS)*/
+ /* NAND access functions (Must be set before calling YAFFS) */
- int (*write_chunk_fn) (struct yaffs_dev *dev,
- int nand_chunk, const u8 *data,
- const struct yaffs_spare *spare);
- int (*read_chunk_fn) (struct yaffs_dev *dev,
- int nand_chunk, u8 *data,
- struct yaffs_spare *spare);
- int (*erase_fn) (struct yaffs_dev *dev,
- int flash_block);
- int (*initialise_flash_fn) (struct yaffs_dev *dev);
- int (*deinitialise_flash_fn) (struct yaffs_dev *dev);
+ int (*write_chunk_fn) (struct yaffs_dev * dev,
+ int nand_chunk, const u8 * data,
+ const struct yaffs_spare * spare);
+ int (*read_chunk_fn) (struct yaffs_dev * dev,
+ int nand_chunk, u8 * data,
+ struct yaffs_spare * spare);
+ int (*erase_fn) (struct yaffs_dev * dev, int flash_block);
+ int (*initialise_flash_fn) (struct yaffs_dev * dev);
+ int (*deinitialise_flash_fn) (struct yaffs_dev * dev);
#ifdef CONFIG_YAFFS_YAFFS2
- int (*write_chunk_tags_fn) (struct yaffs_dev *dev,
- int nand_chunk, const u8 *data,
- const struct yaffs_ext_tags *tags);
- int (*read_chunk_tags_fn) (struct yaffs_dev *dev,
- int nand_chunk, u8 *data,
- struct yaffs_ext_tags *tags);
- int (*bad_block_fn) (struct yaffs_dev *dev, int block_no);
- int (*query_block_fn) (struct yaffs_dev *dev, int block_no,
- enum yaffs_block_state *state, u32 *seq_number);
+ int (*write_chunk_tags_fn) (struct yaffs_dev * dev,
+ int nand_chunk, const u8 * data,
+ const struct yaffs_ext_tags * tags);
+ int (*read_chunk_tags_fn) (struct yaffs_dev * dev,
+ int nand_chunk, u8 * data,
+ struct yaffs_ext_tags * tags);
+ int (*bad_block_fn) (struct yaffs_dev * dev, int block_no);
+ int (*query_block_fn) (struct yaffs_dev * dev, int block_no,
+ enum yaffs_block_state * state,
+ u32 * seq_number);
#endif
/* The remove_obj_fn function must be supplied by OS flavours that
* need it.
- * yaffs direct uses it to implement the faster readdir.
- * Linux uses it to protect the directory during unlocking.
+ * yaffs direct uses it to implement the faster readdir.
+ * Linux uses it to protect the directory during unlocking.
*/
- void (*remove_obj_fn)(struct yaffs_obj *obj);
+ void (*remove_obj_fn) (struct yaffs_obj * obj);
/* Callback to mark the superblock dirty */
- void (*sb_dirty_fn)(struct yaffs_dev *dev);
-
+ void (*sb_dirty_fn) (struct yaffs_dev * dev);
+
/* Callback to control garbage collection. */
- unsigned (*gc_control)(struct yaffs_dev *dev);
+ unsigned (*gc_control) (struct yaffs_dev * dev);
- /* Debug control flags. Don't use unless you know what you're doing */
+ /* Debug control flags. Don't use unless you know what you're doing */
int use_header_file_size; /* Flag to determine if we should use file sizes from the header */
int disable_lazy_load; /* Disable lazy loading on this device */
- int wide_tnodes_disabled; /* Set to disable wide tnodes */
- int disable_soft_del; /* yaffs 1 only: Set to disable the use of softdeletion. */
-
- int defered_dir_update; /* Set to defer directory updates */
+ int wide_tnodes_disabled; /* Set to disable wide tnodes */
+ int disable_soft_del; /* yaffs 1 only: Set to disable the use of softdeletion. */
+
+ int defered_dir_update; /* Set to defer directory updates */
#ifdef CONFIG_YAFFS_AUTO_UNICODE
int auto_unicode;
#endif
- int always_check_erased; /* Force chunk erased check always on */
+ int always_check_erased; /* Force chunk erased check always on */
};
-
struct yaffs_dev {
struct yaffs_param param;
- /* Context storage. Holds extra OS specific data for this device */
+ /* Context storage. Holds extra OS specific data for this device */
void *os_context;
void *driver_context;
struct list_head dev_list;
/* Runtime parameters. Set up by YAFFS. */
- int data_bytes_per_chunk;
+ int data_bytes_per_chunk;
- /* Non-wide tnode stuff */
+ /* Non-wide tnode stuff */
u16 chunk_grp_bits; /* Number of bits that need to be resolved if
- * the tnodes are not wide enough.
- */
+ * the tnodes are not wide enough.
+ */
u16 chunk_grp_size; /* == 2^^chunk_grp_bits */
/* Stuff to support wide tnodes */
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 is_mounted;
int read_only;
int is_checkpointed;
-
/* Stuff to support block offsetting to support start block zero */
int internal_start_block;
int internal_end_block;
int block_offset;
int chunk_offset;
-
/* Runtime checkpointing stuff */
- int checkpt_page_seq; /* running sequence number of checkpoint pages */
+ int checkpt_page_seq; /* running sequence number of checkpoint pages */
int checkpt_byte_count;
int checkpt_byte_offs;
u8 *checkpt_buffer;
u32 checkpt_sum;
u32 checkpt_xor;
- int checkpoint_blocks_required; /* Number of blocks needed to store current checkpoint set */
+ int checkpoint_blocks_required; /* Number of blocks needed to store current checkpoint set */
/* Block Info */
struct yaffs_block_info *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.
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 has_pending_prioritised_gc; /* We think this device might have pending prioritised gcs */
unsigned gc_disable;
unsigned gc_block_finder;
unsigned gc_dirtiest;
struct yaffs_cache *cache;
int cache_last_use;
- /* Stuff for background deletion and unlinked files.*/
+ /* Stuff for background deletion and unlinked files. */
struct yaffs_obj *unlinked_dir; /* Directory where unlinked and deleted files live. */
struct yaffs_obj *del_dir; /* Directory where deleted objects are sent to disappear. */
- struct yaffs_obj *unlinked_deletion; /* Current file being background deleted.*/
- int n_deleted_files; /* Count of files awaiting deletion;*/
- int n_unlinked_files; /* Count of unlinked files. */
+ struct yaffs_obj *unlinked_deletion; /* Current file being background deleted. */
+ int n_deleted_files; /* Count of files awaiting deletion; */
+ int n_unlinked_files; /* Count of unlinked files. */
int n_bg_deletions; /* Count of background deletions. */
/* Temporary buffer management */
int refresh_skip; /* A skip down counter. Refresh happens when this gets to zero. */
/* Dirty directory handling */
- struct list_head dirty_dirs; /* List of dirty directories */
-
+ struct list_head dirty_dirs; /* List of dirty directories */
/* Statistcs */
u32 n_page_writes;
};
-
/* The CheckpointDevice structure holds the device information that changes at runtime and
* must be preserved over unmount/mount cycles.
*/
-struct yaffs_checkpt_dev{
+struct yaffs_checkpt_dev {
int struct_type;
int n_erased_blocks;
int alloc_block; /* Current block being allocated off */
u32 alloc_page;
int n_free_chunks;
- int n_deleted_files; /* Count of files awaiting deletion;*/
- int n_unlinked_files; /* Count of unlinked files. */
+ int n_deleted_files; /* Count of files awaiting deletion; */
+ int n_unlinked_files; /* Count of unlinked files. */
int n_bg_deletions; /* Count of background deletions. */
/* yaffs2 runtime stuff */
};
-
-struct yaffs_checkpt_validity{
+struct yaffs_checkpt_validity {
int struct_type;
u32 magic;
u32 version;
u32 head;
};
-
struct yaffs_shadow_fixer {
int obj_id;
int shadowed_id;
};
/* Structure for doing xattr modifications */
-struct yaffs_xattr_mod{
- int set; /* If 0 then this is a deletion */
+struct yaffs_xattr_mod {
+ int set; /* If 0 then this is a deletion */
const YCHAR *name;
const void *data;
int size;
int result;
};
-
/*----------------------- YAFFS Functions -----------------------*/
int yaffs_guts_initialise(struct yaffs_dev *dev);
int yaffs_get_n_free_chunks(struct yaffs_dev *dev);
-int yaffs_rename_obj(struct yaffs_obj *old_dir, const YCHAR *old_name,
- struct yaffs_obj *new_dir, const YCHAR *new_name);
+int yaffs_rename_obj(struct yaffs_obj *old_dir, const YCHAR * old_name,
+ struct yaffs_obj *new_dir, const YCHAR * new_name);
-int yaffs_unlinker(struct yaffs_obj *dir, const YCHAR *name);
+int yaffs_unlinker(struct yaffs_obj *dir, const YCHAR * name);
int yaffs_del_obj(struct yaffs_obj *obj);
-int yaffs_get_obj_name(struct yaffs_obj *obj, YCHAR *name, int buffer_size);
+int yaffs_get_obj_name(struct yaffs_obj *obj, YCHAR * name, int buffer_size);
int yaffs_get_obj_length(struct yaffs_obj *obj);
int yaffs_get_obj_inode(struct yaffs_obj *obj);
unsigned yaffs_get_obj_type(struct yaffs_obj *obj);
int yaffs_get_obj_link_count(struct yaffs_obj *obj);
-int yaffs_set_attribs(struct yaffs_obj *obj, struct iattr *attr);
-int yaffs_get_attribs(struct yaffs_obj *obj, struct iattr *attr);
-
/* File operations */
-int yaffs_file_rd(struct yaffs_obj *obj, u8 *buffer, loff_t offset,
- int n_bytes);
-int yaffs_wr_file(struct yaffs_obj *obj, const u8 *buffer, loff_t offset,
- int n_bytes, int write_trhrough);
+int yaffs_file_rd(struct yaffs_obj *obj, u8 * buffer, loff_t offset,
+ int n_bytes);
+int yaffs_wr_file(struct yaffs_obj *obj, const u8 * buffer, loff_t offset,
+ int n_bytes, int write_trhrough);
int yaffs_resize_file(struct yaffs_obj *obj, loff_t new_size);
-struct yaffs_obj *yaffs_create_file(struct yaffs_obj *parent, const YCHAR *name,
- u32 mode, u32 uid, u32 gid);
+struct yaffs_obj *yaffs_create_file(struct yaffs_obj *parent,
+ const YCHAR * name, u32 mode, u32 uid,
+ u32 gid);
int yaffs_flush_file(struct yaffs_obj *obj, int update_time, int data_sync);
int yaffs_checkpoint_restore(struct yaffs_dev *dev);
/* Directory operations */
-struct yaffs_obj *yaffs_create_dir(struct yaffs_obj *parent, const YCHAR *name,
- u32 mode, u32 uid, u32 gid);
-struct yaffs_obj *yaffs_find_by_name(struct yaffs_obj *the_dir, const YCHAR *name);
+struct yaffs_obj *yaffs_create_dir(struct yaffs_obj *parent, const YCHAR * name,
+ u32 mode, u32 uid, u32 gid);
+struct yaffs_obj *yaffs_find_by_name(struct yaffs_obj *the_dir,
+ const YCHAR * name);
struct yaffs_obj *yaffs_find_by_number(struct yaffs_dev *dev, u32 number);
/* Link operations */
-struct yaffs_obj *yaffs_link_obj(struct yaffs_obj *parent, const YCHAR *name,
- struct yaffs_obj *equiv_obj);
+struct yaffs_obj *yaffs_link_obj(struct yaffs_obj *parent, const YCHAR * name,
+ struct yaffs_obj *equiv_obj);
struct yaffs_obj *yaffs_get_equivalent_obj(struct yaffs_obj *obj);
/* Symlink operations */
-struct yaffs_obj *yaffs_create_symlink(struct yaffs_obj *parent, const YCHAR *name,
- u32 mode, u32 uid, u32 gid,
- const YCHAR *alias);
+struct yaffs_obj *yaffs_create_symlink(struct yaffs_obj *parent,
+ const YCHAR * name, u32 mode, u32 uid,
+ u32 gid, const YCHAR * alias);
YCHAR *yaffs_get_symlink_alias(struct yaffs_obj *obj);
/* Special inodes (fifos, sockets and devices) */
-struct yaffs_obj *yaffs_create_special(struct yaffs_obj *parent, const YCHAR *name,
- u32 mode, u32 uid, u32 gid, u32 rdev);
-
-
-int yaffs_set_xattrib(struct yaffs_obj *obj, const YCHAR *name, const void * value, int size, int flags);
-int yaffs_get_xattrib(struct yaffs_obj *obj, const YCHAR *name, void *value, int size);
+struct yaffs_obj *yaffs_create_special(struct yaffs_obj *parent,
+ const YCHAR * name, u32 mode, u32 uid,
+ u32 gid, u32 rdev);
+
+int yaffs_set_xattrib(struct yaffs_obj *obj, const YCHAR * name,
+ const void *value, int size, int flags);
+int yaffs_get_xattrib(struct yaffs_obj *obj, const YCHAR * name, void *value,
+ int size);
int yaffs_list_xattrib(struct yaffs_obj *obj, char *buffer, int size);
-int yaffs_remove_xattrib(struct yaffs_obj *obj, const YCHAR *name);
+int yaffs_remove_xattrib(struct yaffs_obj *obj, const YCHAR * name);
/* Special directories */
struct yaffs_obj *yaffs_root(struct yaffs_dev *dev);
struct yaffs_obj *yaffs_lost_n_found(struct yaffs_dev *dev);
-#ifdef CONFIG_YAFFS_WINCE
-/* CONFIG_YAFFS_WINCE special stuff */
-void yfsd_win_file_time_now(u32 target[2]);
-#endif
-
void yaffs_handle_defered_free(struct yaffs_obj *obj);
void yaffs_update_dirty_dirs(struct yaffs_dev *dev);
void yaffs_guts_test(struct yaffs_dev *dev);
/* A few useful functions to be used within the core files*/
-void yaffs_chunk_del(struct yaffs_dev *dev, int chunk_id, int mark_flash, int lyn);
-int yaffs_check_ff(u8 *buffer, int n_bytes);
-void yaffs_handle_chunk_error(struct yaffs_dev *dev, struct yaffs_block_info *bi);
+void yaffs_chunk_del(struct yaffs_dev *dev, int chunk_id, int mark_flash,
+ int lyn);
+int yaffs_check_ff(u8 * buffer, int n_bytes);
+void yaffs_handle_chunk_error(struct yaffs_dev *dev,
+ struct yaffs_block_info *bi);
u8 *yaffs_get_temp_buffer(struct yaffs_dev *dev, int line_no);
-void yaffs_release_temp_buffer(struct yaffs_dev *dev, u8 *buffer, int line_no);
+void yaffs_release_temp_buffer(struct yaffs_dev *dev, u8 * buffer, int line_no);
struct yaffs_obj *yaffs_find_or_create_by_number(struct yaffs_dev *dev,
- int number,
- enum yaffs_obj_type type);
+ int number,
+ enum yaffs_obj_type type);
int yaffs_put_chunk_in_file(struct yaffs_obj *in, int inode_chunk,
- int nand_chunk, int in_scan);
-void yaffs_set_obj_name(struct yaffs_obj *obj, const YCHAR *name);
+ int nand_chunk, int in_scan);
+void yaffs_set_obj_name(struct yaffs_obj *obj, const YCHAR * name);
void yaffs_set_obj_name_from_oh(struct yaffs_obj *obj,
- const struct yaffs_obj_hdr *oh);
-void yaffs_add_obj_to_dir(struct yaffs_obj *directory,
- struct yaffs_obj *obj);
-YCHAR *yaffs_clone_str(const YCHAR *str);
+ const struct yaffs_obj_hdr *oh);
+void yaffs_add_obj_to_dir(struct yaffs_obj *directory, struct yaffs_obj *obj);
+YCHAR *yaffs_clone_str(const YCHAR * str);
void yaffs_link_fixup(struct yaffs_dev *dev, struct yaffs_obj *hard_list);
void yaffs_block_became_dirty(struct yaffs_dev *dev, int block_no);
-int yaffs_update_oh(struct yaffs_obj *in, const YCHAR *name,
- int force, int is_shrink, int shadows,
- struct yaffs_xattr_mod *xop);
+int yaffs_update_oh(struct yaffs_obj *in, const YCHAR * name,
+ int force, int is_shrink, int shadows,
+ struct yaffs_xattr_mod *xop);
void yaffs_handle_shadowed_obj(struct yaffs_dev *dev, int obj_id,
- int backward_scanning);
+ int backward_scanning);
int yaffs_check_alloc_available(struct yaffs_dev *dev, int n_chunks);
struct yaffs_tnode *yaffs_get_tnode(struct yaffs_dev *dev);
struct yaffs_tnode *yaffs_add_find_tnode_0(struct yaffs_dev *dev,
- struct yaffs_file_var *file_struct,
- u32 chunk_id,
- struct yaffs_tnode *passed_tn);
+ struct yaffs_file_var *file_struct,
+ u32 chunk_id,
+ struct yaffs_tnode *passed_tn);
-int yaffs_do_file_wr(struct yaffs_obj *in, const u8 *buffer, loff_t offset,
- int n_bytes, int write_trhrough);
-void yaffs_resize_file_down( struct yaffs_obj *obj, loff_t new_size);
+int yaffs_do_file_wr(struct yaffs_obj *in, const u8 * buffer, loff_t offset,
+ int n_bytes, int write_trhrough);
+void yaffs_resize_file_down(struct yaffs_obj *obj, loff_t new_size);
void yaffs_skip_rest_of_block(struct yaffs_dev *dev);
int yaffs_count_free_chunks(struct yaffs_dev *dev);
struct yaffs_tnode *yaffs_find_tnode_0(struct yaffs_dev *dev,
- struct yaffs_file_var *file_struct,
- u32 chunk_id);
+ struct yaffs_file_var *file_struct,
+ u32 chunk_id);
-u32 yaffs_get_group_base(struct yaffs_dev *dev, struct yaffs_tnode *tn, unsigned pos);
+u32 yaffs_get_group_base(struct yaffs_dev *dev, struct yaffs_tnode *tn,
+ unsigned pos);
+int yaffs_is_non_empty_dir(struct yaffs_obj *obj);
#endif
projects / yaffs2.git / blobdiff