diff options
Diffstat (limited to 'ANDROID_3.4.5/fs/hfs/hfs_fs.h')
-rw-r--r-- | ANDROID_3.4.5/fs/hfs/hfs_fs.h | 276 |
1 files changed, 0 insertions, 276 deletions
diff --git a/ANDROID_3.4.5/fs/hfs/hfs_fs.h b/ANDROID_3.4.5/fs/hfs/hfs_fs.h deleted file mode 100644 index 1bf967c6..00000000 --- a/ANDROID_3.4.5/fs/hfs/hfs_fs.h +++ /dev/null @@ -1,276 +0,0 @@ -/* - * linux/fs/hfs/hfs_fs.h - * - * Copyright (C) 1995-1997 Paul H. Hargrove - * (C) 2003 Ardis Technologies <roman@ardistech.com> - * This file may be distributed under the terms of the GNU General Public License. - */ - -#ifndef _LINUX_HFS_FS_H -#define _LINUX_HFS_FS_H - -#include <linux/slab.h> -#include <linux/types.h> -#include <linux/mutex.h> -#include <linux/buffer_head.h> -#include <linux/fs.h> - -#include <asm/byteorder.h> -#include <asm/uaccess.h> - -#include "hfs.h" - -#define DBG_BNODE_REFS 0x00000001 -#define DBG_BNODE_MOD 0x00000002 -#define DBG_CAT_MOD 0x00000004 -#define DBG_INODE 0x00000008 -#define DBG_SUPER 0x00000010 -#define DBG_EXTENT 0x00000020 -#define DBG_BITMAP 0x00000040 - -//#define DBG_MASK (DBG_EXTENT|DBG_INODE|DBG_BNODE_MOD|DBG_CAT_MOD|DBG_BITMAP) -//#define DBG_MASK (DBG_BNODE_MOD|DBG_CAT_MOD|DBG_INODE) -//#define DBG_MASK (DBG_CAT_MOD|DBG_BNODE_REFS|DBG_INODE|DBG_EXTENT) -#define DBG_MASK (0) - -#define dprint(flg, fmt, args...) \ - if (flg & DBG_MASK) printk(fmt , ## args) - -/* - * struct hfs_inode_info - * - * The HFS-specific part of a Linux (struct inode) - */ -struct hfs_inode_info { - atomic_t opencnt; - - unsigned int flags; - - /* to deal with localtime ugliness */ - int tz_secondswest; - - struct hfs_cat_key cat_key; - - struct list_head open_dir_list; - struct inode *rsrc_inode; - - struct mutex extents_lock; - - u16 alloc_blocks, clump_blocks; - sector_t fs_blocks; - /* Allocation extents from catlog record or volume header */ - hfs_extent_rec first_extents; - u16 first_blocks; - hfs_extent_rec cached_extents; - u16 cached_start, cached_blocks; - - loff_t phys_size; - struct inode vfs_inode; -}; - -#define HFS_FLG_RSRC 0x0001 -#define HFS_FLG_EXT_DIRTY 0x0002 -#define HFS_FLG_EXT_NEW 0x0004 - -#define HFS_IS_RSRC(inode) (HFS_I(inode)->flags & HFS_FLG_RSRC) - -/* - * struct hfs_sb_info - * - * The HFS-specific part of a Linux (struct super_block) - */ -struct hfs_sb_info { - struct buffer_head *mdb_bh; /* The hfs_buffer - holding the real - superblock (aka VIB - or MDB) */ - struct hfs_mdb *mdb; - struct buffer_head *alt_mdb_bh; /* The hfs_buffer holding - the alternate superblock */ - struct hfs_mdb *alt_mdb; - __be32 *bitmap; /* The page holding the - allocation bitmap */ - struct hfs_btree *ext_tree; /* Information about - the extents b-tree */ - struct hfs_btree *cat_tree; /* Information about - the catalog b-tree */ - u32 file_count; /* The number of - regular files in - the filesystem */ - u32 folder_count; /* The number of - directories in the - filesystem */ - u32 next_id; /* The next available - file id number */ - u32 clumpablks; /* The number of allocation - blocks to try to add when - extending a file */ - u32 fs_start; /* The first 512-byte - block represented - in the bitmap */ - u32 part_start; - u16 root_files; /* The number of - regular - (non-directory) - files in the root - directory */ - u16 root_dirs; /* The number of - directories in the - root directory */ - u16 fs_ablocks; /* The number of - allocation blocks - in the filesystem */ - u16 free_ablocks; /* the number of unused - allocation blocks - in the filesystem */ - u32 alloc_blksz; /* The size of an - "allocation block" */ - int s_quiet; /* Silent failure when - changing owner or mode? */ - __be32 s_type; /* Type for new files */ - __be32 s_creator; /* Creator for new files */ - umode_t s_file_umask; /* The umask applied to the - permissions on all files */ - umode_t s_dir_umask; /* The umask applied to the - permissions on all dirs */ - uid_t s_uid; /* The uid of all files */ - gid_t s_gid; /* The gid of all files */ - - int session, part; - - struct nls_table *nls_io, *nls_disk; - - struct mutex bitmap_lock; - - unsigned long flags; - - u16 blockoffset; - - int fs_div; -}; - -#define HFS_FLG_BITMAP_DIRTY 0 -#define HFS_FLG_MDB_DIRTY 1 -#define HFS_FLG_ALT_MDB_DIRTY 2 - -/* bitmap.c */ -extern u32 hfs_vbm_search_free(struct super_block *, u32, u32 *); -extern int hfs_clear_vbm_bits(struct super_block *, u16, u16); - -/* catalog.c */ -extern int hfs_cat_keycmp(const btree_key *, const btree_key *); -struct hfs_find_data; -extern int hfs_cat_find_brec(struct super_block *, u32, struct hfs_find_data *); -extern int hfs_cat_create(u32, struct inode *, struct qstr *, struct inode *); -extern int hfs_cat_delete(u32, struct inode *, struct qstr *); -extern int hfs_cat_move(u32, struct inode *, struct qstr *, - struct inode *, struct qstr *); -extern void hfs_cat_build_key(struct super_block *, btree_key *, u32, struct qstr *); - -/* dir.c */ -extern const struct file_operations hfs_dir_operations; -extern const struct inode_operations hfs_dir_inode_operations; - -/* extent.c */ -extern int hfs_ext_keycmp(const btree_key *, const btree_key *); -extern int hfs_free_fork(struct super_block *, struct hfs_cat_file *, int); -extern void hfs_ext_write_extent(struct inode *); -extern int hfs_extend_file(struct inode *); -extern void hfs_file_truncate(struct inode *); - -extern int hfs_get_block(struct inode *, sector_t, struct buffer_head *, int); - -/* inode.c */ -extern const struct address_space_operations hfs_aops; -extern const struct address_space_operations hfs_btree_aops; - -extern struct inode *hfs_new_inode(struct inode *, struct qstr *, umode_t); -extern void hfs_inode_write_fork(struct inode *, struct hfs_extent *, __be32 *, __be32 *); -extern int hfs_write_inode(struct inode *, struct writeback_control *); -extern int hfs_inode_setattr(struct dentry *, struct iattr *); -extern void hfs_inode_read_fork(struct inode *inode, struct hfs_extent *ext, - __be32 log_size, __be32 phys_size, u32 clump_size); -extern struct inode *hfs_iget(struct super_block *, struct hfs_cat_key *, hfs_cat_rec *); -extern void hfs_evict_inode(struct inode *); -extern void hfs_delete_inode(struct inode *); - -/* attr.c */ -extern int hfs_setxattr(struct dentry *dentry, const char *name, - const void *value, size_t size, int flags); -extern ssize_t hfs_getxattr(struct dentry *dentry, const char *name, - void *value, size_t size); -extern ssize_t hfs_listxattr(struct dentry *dentry, char *buffer, size_t size); - -/* mdb.c */ -extern int hfs_mdb_get(struct super_block *); -extern void hfs_mdb_commit(struct super_block *); -extern void hfs_mdb_close(struct super_block *); -extern void hfs_mdb_put(struct super_block *); - -/* part_tbl.c */ -extern int hfs_part_find(struct super_block *, sector_t *, sector_t *); - -/* string.c */ -extern const struct dentry_operations hfs_dentry_operations; - -extern int hfs_hash_dentry(const struct dentry *, const struct inode *, - struct qstr *); -extern int hfs_strcmp(const unsigned char *, unsigned int, - const unsigned char *, unsigned int); -extern int hfs_compare_dentry(const struct dentry *parent, - const struct inode *pinode, - const struct dentry *dentry, const struct inode *inode, - unsigned int len, const char *str, const struct qstr *name); - -/* trans.c */ -extern void hfs_asc2mac(struct super_block *, struct hfs_name *, struct qstr *); -extern int hfs_mac2asc(struct super_block *, char *, const struct hfs_name *); - -extern struct timezone sys_tz; - -/* - * There are two time systems. Both are based on seconds since - * a particular time/date. - * Unix: unsigned lil-endian since 00:00 GMT, Jan. 1, 1970 - * mac: unsigned big-endian since 00:00 GMT, Jan. 1, 1904 - * - */ -#define __hfs_u_to_mtime(sec) cpu_to_be32(sec + 2082844800U - sys_tz.tz_minuteswest * 60) -#define __hfs_m_to_utime(sec) (be32_to_cpu(sec) - 2082844800U + sys_tz.tz_minuteswest * 60) - -#define HFS_I(inode) (list_entry(inode, struct hfs_inode_info, vfs_inode)) -#define HFS_SB(sb) ((struct hfs_sb_info *)(sb)->s_fs_info) - -#define hfs_m_to_utime(time) (struct timespec){ .tv_sec = __hfs_m_to_utime(time) } -#define hfs_u_to_mtime(time) __hfs_u_to_mtime((time).tv_sec) -#define hfs_mtime() __hfs_u_to_mtime(get_seconds()) - -static inline const char *hfs_mdb_name(struct super_block *sb) -{ - return sb->s_id; -} - -static inline void hfs_bitmap_dirty(struct super_block *sb) -{ - set_bit(HFS_FLG_BITMAP_DIRTY, &HFS_SB(sb)->flags); - sb->s_dirt = 1; -} - -#define sb_bread512(sb, sec, data) ({ \ - struct buffer_head *__bh; \ - sector_t __block; \ - loff_t __start; \ - int __offset; \ - \ - __start = (loff_t)(sec) << HFS_SECTOR_SIZE_BITS;\ - __block = __start >> (sb)->s_blocksize_bits; \ - __offset = __start & ((sb)->s_blocksize - 1); \ - __bh = sb_bread((sb), __block); \ - if (likely(__bh != NULL)) \ - data = (void *)(__bh->b_data + __offset);\ - else \ - data = NULL; \ - __bh; \ -}) - -#endif |