hpfs_fs_sb.h
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上传日期:2013-02-24
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文件大小:3k
- #ifndef _HPFS_FS_SB
- #define _HPFS_FS_SB
- struct hpfs_sb_info {
- ino_t sb_root; /* inode number of root dir */
- unsigned sb_fs_size; /* file system size, sectors */
- unsigned sb_bitmaps; /* sector number of bitmap list */
- unsigned sb_dirband_start; /* directory band start sector */
- unsigned sb_dirband_size; /* directory band size, dnodes */
- unsigned sb_dmap; /* sector number of dnode bit map */
- unsigned sb_n_free; /* free blocks for statfs, or -1 */
- unsigned sb_n_free_dnodes; /* free dnodes for statfs, or -1 */
- uid_t sb_uid; /* uid from mount options */
- gid_t sb_gid; /* gid from mount options */
- umode_t sb_mode; /* mode from mount options */
- unsigned sb_conv : 2; /* crlf->newline hackery */
- unsigned sb_eas : 2; /* eas: 0-ignore, 1-ro, 2-rw */
- unsigned sb_err : 2; /* on errs: 0-cont, 1-ro, 2-panic */
- unsigned sb_chk : 2; /* checks: 0-no, 1-normal, 2-strict */
- unsigned sb_lowercase : 1; /* downcase filenames hackery */
- unsigned sb_was_error : 1; /* there was an error, set dirty flag */
- unsigned sb_chkdsk : 2; /* chkdsk: 0-no, 1-on errs, 2-allways */
- unsigned sb_rd_fnode : 2; /* read fnode 0-no 1-dirs 2-all */
- unsigned sb_rd_inode : 2; /* lookup tells read_inode: 1-read fnode
- 2-don't read fnode, file
- 3-don't read fnode, direcotry */
- wait_queue_head_t sb_iget_q;
- unsigned char *sb_cp_table; /* code page tables: */
- /* 128 bytes uppercasing table & */
- /* 128 bytes lowercasing table */
- unsigned *sb_bmp_dir; /* main bitmap directory */
- unsigned sb_c_bitmap; /* current bitmap */
- wait_queue_head_t sb_creation_de;/* when creating dirents, nobody else
- can alloc blocks */
- unsigned sb_creation_de_lock : 1;
- /*unsigned sb_mounting : 1;*/
- int sb_timeshift;
- };
- #define s_hpfs_root u.hpfs_sb.sb_root
- #define s_hpfs_fs_size u.hpfs_sb.sb_fs_size
- #define s_hpfs_bitmaps u.hpfs_sb.sb_bitmaps
- #define s_hpfs_dirband_start u.hpfs_sb.sb_dirband_start
- #define s_hpfs_dirband_size u.hpfs_sb.sb_dirband_size
- #define s_hpfs_dmap u.hpfs_sb.sb_dmap
- #define s_hpfs_uid u.hpfs_sb.sb_uid
- #define s_hpfs_gid u.hpfs_sb.sb_gid
- #define s_hpfs_mode u.hpfs_sb.sb_mode
- #define s_hpfs_n_free u.hpfs_sb.sb_n_free
- #define s_hpfs_n_free_dnodes u.hpfs_sb.sb_n_free_dnodes
- #define s_hpfs_lowercase u.hpfs_sb.sb_lowercase
- #define s_hpfs_conv u.hpfs_sb.sb_conv
- #define s_hpfs_eas u.hpfs_sb.sb_eas
- #define s_hpfs_err u.hpfs_sb.sb_err
- #define s_hpfs_chk u.hpfs_sb.sb_chk
- #define s_hpfs_was_error u.hpfs_sb.sb_was_error
- #define s_hpfs_chkdsk u.hpfs_sb.sb_chkdsk
- /*#define s_hpfs_rd_fnode u.hpfs_sb.sb_rd_fnode*/
- #define s_hpfs_rd_inode u.hpfs_sb.sb_rd_inode
- #define s_hpfs_cp_table u.hpfs_sb.sb_cp_table
- #define s_hpfs_bmp_dir u.hpfs_sb.sb_bmp_dir
- #define s_hpfs_c_bitmap u.hpfs_sb.sb_c_bitmap
- #define s_hpfs_creation_de u.hpfs_sb.sb_creation_de
- #define s_hpfs_creation_de_lock u.hpfs_sb.sb_creation_de_lock
- #define s_hpfs_iget_q u.hpfs_sb.sb_iget_q
- /*#define s_hpfs_mounting u.hpfs_sb.sb_mounting*/
- #define s_hpfs_timeshift u.hpfs_sb.sb_timeshift
- #endif