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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/fs/adfs/adfs.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/fs/adfs/adfs.h')
-rw-r--r-- | ANDROID_3.4.5/fs/adfs/adfs.h | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/ANDROID_3.4.5/fs/adfs/adfs.h b/ANDROID_3.4.5/fs/adfs/adfs.h deleted file mode 100644 index 718ac1f4..00000000 --- a/ANDROID_3.4.5/fs/adfs/adfs.h +++ /dev/null @@ -1,204 +0,0 @@ -#include <linux/fs.h> -#include <linux/adfs_fs.h> - -/* Internal data structures for ADFS */ - -#define ADFS_FREE_FRAG 0 -#define ADFS_BAD_FRAG 1 -#define ADFS_ROOT_FRAG 2 - -#define ADFS_NDA_OWNER_READ (1 << 0) -#define ADFS_NDA_OWNER_WRITE (1 << 1) -#define ADFS_NDA_LOCKED (1 << 2) -#define ADFS_NDA_DIRECTORY (1 << 3) -#define ADFS_NDA_EXECUTE (1 << 4) -#define ADFS_NDA_PUBLIC_READ (1 << 5) -#define ADFS_NDA_PUBLIC_WRITE (1 << 6) - -#include "dir_f.h" - -struct buffer_head; - -/* - * adfs file system inode data in memory - */ -struct adfs_inode_info { - loff_t mmu_private; - unsigned long parent_id; /* object id of parent */ - __u32 loadaddr; /* RISC OS load address */ - __u32 execaddr; /* RISC OS exec address */ - unsigned int filetype; /* RISC OS file type */ - unsigned int attr; /* RISC OS permissions */ - unsigned int stamped:1; /* RISC OS file has date/time */ - struct inode vfs_inode; -}; - -/* - * Forward-declare this - */ -struct adfs_discmap; -struct adfs_dir_ops; - -/* - * ADFS file system superblock data in memory - */ -struct adfs_sb_info { - struct adfs_discmap *s_map; /* bh list containing map */ - struct adfs_dir_ops *s_dir; /* directory operations */ - - uid_t s_uid; /* owner uid */ - gid_t s_gid; /* owner gid */ - umode_t s_owner_mask; /* ADFS owner perm -> unix perm */ - umode_t s_other_mask; /* ADFS other perm -> unix perm */ - int s_ftsuffix; /* ,xyz hex filetype suffix option */ - - __u32 s_ids_per_zone; /* max. no ids in one zone */ - __u32 s_idlen; /* length of ID in map */ - __u32 s_map_size; /* sector size of a map */ - unsigned long s_size; /* total size (in blocks) of this fs */ - signed int s_map2blk; /* shift left by this for map->sector */ - unsigned int s_log2sharesize;/* log2 share size */ - __le32 s_version; /* disc format version */ - unsigned int s_namelen; /* maximum number of characters in name */ -}; - -static inline struct adfs_sb_info *ADFS_SB(struct super_block *sb) -{ - return sb->s_fs_info; -} - -static inline struct adfs_inode_info *ADFS_I(struct inode *inode) -{ - return container_of(inode, struct adfs_inode_info, vfs_inode); -} - -/* - * Directory handling - */ -struct adfs_dir { - struct super_block *sb; - - int nr_buffers; - struct buffer_head *bh[4]; - - /* big directories need allocated buffers */ - struct buffer_head **bh_fplus; - - unsigned int pos; - unsigned int parent_id; - - struct adfs_dirheader dirhead; - union adfs_dirtail dirtail; -}; - -/* - * This is the overall maximum name length - */ -#define ADFS_MAX_NAME_LEN (256 + 4) /* +4 for ,xyz hex filetype suffix */ -struct object_info { - __u32 parent_id; /* parent object id */ - __u32 file_id; /* object id */ - __u32 loadaddr; /* load address */ - __u32 execaddr; /* execution address */ - __u32 size; /* size */ - __u8 attr; /* RISC OS attributes */ - unsigned int name_len; /* name length */ - char name[ADFS_MAX_NAME_LEN];/* file name */ - - /* RISC OS file type (12-bit: derived from loadaddr) */ - __u16 filetype; -}; - -/* RISC OS 12-bit filetype converts to ,xyz hex filename suffix */ -static inline int append_filetype_suffix(char *buf, __u16 filetype) -{ - if (filetype == 0xffff) /* no explicit 12-bit file type was set */ - return 0; - - *buf++ = ','; - *buf++ = hex_asc_lo(filetype >> 8); - *buf++ = hex_asc_lo(filetype >> 4); - *buf++ = hex_asc_lo(filetype >> 0); - return 4; -} - -struct adfs_dir_ops { - int (*read)(struct super_block *sb, unsigned int id, unsigned int sz, struct adfs_dir *dir); - int (*setpos)(struct adfs_dir *dir, unsigned int fpos); - int (*getnext)(struct adfs_dir *dir, struct object_info *obj); - int (*update)(struct adfs_dir *dir, struct object_info *obj); - int (*create)(struct adfs_dir *dir, struct object_info *obj); - int (*remove)(struct adfs_dir *dir, struct object_info *obj); - int (*sync)(struct adfs_dir *dir); - void (*free)(struct adfs_dir *dir); -}; - -struct adfs_discmap { - struct buffer_head *dm_bh; - __u32 dm_startblk; - unsigned int dm_startbit; - unsigned int dm_endbit; -}; - -/* Inode stuff */ -struct inode *adfs_iget(struct super_block *sb, struct object_info *obj); -int adfs_write_inode(struct inode *inode, struct writeback_control *wbc); -int adfs_notify_change(struct dentry *dentry, struct iattr *attr); - -/* map.c */ -extern int adfs_map_lookup(struct super_block *sb, unsigned int frag_id, unsigned int offset); -extern unsigned int adfs_map_free(struct super_block *sb); - -/* Misc */ -void __adfs_error(struct super_block *sb, const char *function, - const char *fmt, ...); -#define adfs_error(sb, fmt...) __adfs_error(sb, __func__, fmt) - -/* super.c */ - -/* - * Inodes and file operations - */ - -/* dir_*.c */ -extern const struct inode_operations adfs_dir_inode_operations; -extern const struct file_operations adfs_dir_operations; -extern const struct dentry_operations adfs_dentry_operations; -extern struct adfs_dir_ops adfs_f_dir_ops; -extern struct adfs_dir_ops adfs_fplus_dir_ops; - -extern int adfs_dir_update(struct super_block *sb, struct object_info *obj, - int wait); - -/* file.c */ -extern const struct inode_operations adfs_file_inode_operations; -extern const struct file_operations adfs_file_operations; - -static inline __u32 signed_asl(__u32 val, signed int shift) -{ - if (shift >= 0) - val <<= shift; - else - val >>= -shift; - return val; -} - -/* - * Calculate the address of a block in an object given the block offset - * and the object identity. - * - * The root directory ID should always be looked up in the map [3.4] - */ -static inline int -__adfs_block_map(struct super_block *sb, unsigned int object_id, - unsigned int block) -{ - if (object_id & 255) { - unsigned int off; - - off = (object_id & 255) - 1; - block += off << ADFS_SB(sb)->s_log2sharesize; - } - - return adfs_map_lookup(sb, object_id >> 8, block); -} |