11da177e4SLinus Torvalds #ifndef __UM_FS_HOSTFS 21da177e4SLinus Torvalds #define __UM_FS_HOSTFS 31da177e4SLinus Torvalds 41da177e4SLinus Torvalds #include "os.h" 51da177e4SLinus Torvalds 684b3db04SJeff Dike /* 784b3db04SJeff Dike * These are exactly the same definitions as in fs.h, but the names are 81da177e4SLinus Torvalds * changed so that this file can be included in both kernel and user files. 91da177e4SLinus Torvalds */ 101da177e4SLinus Torvalds 111da177e4SLinus Torvalds #define HOSTFS_ATTR_MODE 1 121da177e4SLinus Torvalds #define HOSTFS_ATTR_UID 2 131da177e4SLinus Torvalds #define HOSTFS_ATTR_GID 4 141da177e4SLinus Torvalds #define HOSTFS_ATTR_SIZE 8 151da177e4SLinus Torvalds #define HOSTFS_ATTR_ATIME 16 161da177e4SLinus Torvalds #define HOSTFS_ATTR_MTIME 32 171da177e4SLinus Torvalds #define HOSTFS_ATTR_CTIME 64 181da177e4SLinus Torvalds #define HOSTFS_ATTR_ATIME_SET 128 191da177e4SLinus Torvalds #define HOSTFS_ATTR_MTIME_SET 256 201da177e4SLinus Torvalds 211da177e4SLinus Torvalds /* These two are unused by hostfs. */ 221da177e4SLinus Torvalds #define HOSTFS_ATTR_FORCE 512 /* Not a change, but a change it */ 231da177e4SLinus Torvalds #define HOSTFS_ATTR_ATTR_FLAG 1024 241da177e4SLinus Torvalds 2584b3db04SJeff Dike /* 2684b3db04SJeff Dike * If you are very careful, you'll notice that these two are missing: 271da177e4SLinus Torvalds * 281da177e4SLinus Torvalds * #define ATTR_KILL_SUID 2048 291da177e4SLinus Torvalds * #define ATTR_KILL_SGID 4096 301da177e4SLinus Torvalds * 311da177e4SLinus Torvalds * and this is because they were added in 2.5 development in this patch: 321da177e4SLinus Torvalds * 331da177e4SLinus Torvalds * http://linux.bkbits.net:8080/linux-2.5/ 341da177e4SLinus Torvalds * cset@3caf4a12k4XgDzK7wyK-TGpSZ9u2Ww?nav=index.html 351da177e4SLinus Torvalds * |src/.|src/include|src/include/linux|related/include/linux/fs.h 361da177e4SLinus Torvalds * 371da177e4SLinus Torvalds * Actually, they are not needed by most ->setattr() methods - they are set by 381da177e4SLinus Torvalds * callers of notify_change() to notify that the setuid/setgid bits must be 391da177e4SLinus Torvalds * dropped. 401da177e4SLinus Torvalds * notify_change() will delete those flags, make sure attr->ia_valid & ATTR_MODE 411da177e4SLinus Torvalds * is on, and remove the appropriate bits from attr->ia_mode (attr is a 421da177e4SLinus Torvalds * "struct iattr *"). -BlaisorBlade 431da177e4SLinus Torvalds */ 441da177e4SLinus Torvalds 451da177e4SLinus Torvalds struct hostfs_iattr { 461da177e4SLinus Torvalds unsigned int ia_valid; 471da177e4SLinus Torvalds mode_t ia_mode; 481da177e4SLinus Torvalds uid_t ia_uid; 491da177e4SLinus Torvalds gid_t ia_gid; 501da177e4SLinus Torvalds loff_t ia_size; 511da177e4SLinus Torvalds struct timespec ia_atime; 521da177e4SLinus Torvalds struct timespec ia_mtime; 531da177e4SLinus Torvalds struct timespec ia_ctime; 541da177e4SLinus Torvalds }; 551da177e4SLinus Torvalds 561da177e4SLinus Torvalds extern int stat_file(const char *path, unsigned long long *inode_out, 571da177e4SLinus Torvalds int *mode_out, int *nlink_out, int *uid_out, int *gid_out, 581da177e4SLinus Torvalds unsigned long long *size_out, struct timespec *atime_out, 591da177e4SLinus Torvalds struct timespec *mtime_out, struct timespec *ctime_out, 605822b7faSAlberto Bertogli int *blksize_out, unsigned long long *blocks_out, int fd); 611da177e4SLinus Torvalds extern int access_file(char *path, int r, int w, int x); 621da177e4SLinus Torvalds extern int open_file(char *path, int r, int w, int append); 631da177e4SLinus Torvalds extern int file_type(const char *path, int *maj, int *min); 641da177e4SLinus Torvalds extern void *open_dir(char *path, int *err_out); 651da177e4SLinus Torvalds extern char *read_dir(void *stream, unsigned long long *pos, 661da177e4SLinus Torvalds unsigned long long *ino_out, int *len_out); 671da177e4SLinus Torvalds extern void close_file(void *stream); 681da177e4SLinus Torvalds extern void close_dir(void *stream); 691da177e4SLinus Torvalds extern int read_file(int fd, unsigned long long *offset, char *buf, int len); 701da177e4SLinus Torvalds extern int write_file(int fd, unsigned long long *offset, const char *buf, 711da177e4SLinus Torvalds int len); 721da177e4SLinus Torvalds extern int lseek_file(int fd, long long offset, int whence); 73a2d76bd8SPaolo 'Blaisorblade' Giarrusso extern int fsync_file(int fd, int datasync); 741da177e4SLinus Torvalds extern int file_create(char *name, int ur, int uw, int ux, int gr, 751da177e4SLinus Torvalds int gw, int gx, int or, int ow, int ox); 765822b7faSAlberto Bertogli extern int set_attr(const char *file, struct hostfs_iattr *attrs, int fd); 771da177e4SLinus Torvalds extern int make_symlink(const char *from, const char *to); 781da177e4SLinus Torvalds extern int unlink_file(const char *file); 791da177e4SLinus Torvalds extern int do_mkdir(const char *file, int mode); 801da177e4SLinus Torvalds extern int do_rmdir(const char *file); 8184b3db04SJeff Dike extern int do_mknod(const char *file, int mode, unsigned int major, 8284b3db04SJeff Dike unsigned int minor); 831da177e4SLinus Torvalds extern int link_file(const char *from, const char *to); 841da177e4SLinus Torvalds extern int do_readlink(char *file, char *buf, int size); 851da177e4SLinus Torvalds extern int rename_file(char *from, char *to); 861da177e4SLinus Torvalds extern int do_statfs(char *root, long *bsize_out, long long *blocks_out, 871da177e4SLinus Torvalds long long *bfree_out, long long *bavail_out, 881da177e4SLinus Torvalds long long *files_out, long long *ffree_out, 891da177e4SLinus Torvalds void *fsid_out, int fsid_size, long *namelen_out, 901da177e4SLinus Torvalds long *spare_out); 911da177e4SLinus Torvalds 921da177e4SLinus Torvalds #endif 93