mirror of https://github.com/torvalds/linux.git
74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __UM_FS_HOSTFS
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#define __UM_FS_HOSTFS
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#include <os.h>
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#include <generated/asm-offsets.h>
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struct hostfs_timespec {
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long long tv_sec;
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long long tv_nsec;
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};
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struct hostfs_iattr {
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unsigned int ia_valid;
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unsigned short ia_mode;
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uid_t ia_uid;
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gid_t ia_gid;
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loff_t ia_size;
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struct hostfs_timespec ia_atime;
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struct hostfs_timespec ia_mtime;
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struct hostfs_timespec ia_ctime;
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};
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struct hostfs_stat {
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unsigned long long ino;
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unsigned int mode;
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unsigned int nlink;
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unsigned int uid;
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unsigned int gid;
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unsigned long long size;
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struct hostfs_timespec atime, mtime, ctime, btime;
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unsigned int blksize;
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unsigned long long blocks;
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struct {
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unsigned int maj;
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unsigned int min;
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} rdev, dev;
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};
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extern int stat_file(const char *path, struct hostfs_stat *p, int fd);
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extern int access_file(char *path, int r, int w, int x);
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extern int open_file(char *path, int r, int w, int append);
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extern void *open_dir(char *path, int *err_out);
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extern void seek_dir(void *stream, unsigned long long pos);
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extern char *read_dir(void *stream, unsigned long long *pos_out,
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unsigned long long *ino_out, int *len_out,
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unsigned int *type_out);
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extern void close_file(void *stream);
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extern int replace_file(int oldfd, int fd);
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extern void close_dir(void *stream);
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extern int read_file(int fd, unsigned long long *offset, char *buf, int len);
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extern int write_file(int fd, unsigned long long *offset, const char *buf,
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int len);
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extern int lseek_file(int fd, long long offset, int whence);
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extern int fsync_file(int fd, int datasync);
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extern int file_create(char *name, int mode);
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extern int set_attr(const char *file, struct hostfs_iattr *attrs, int fd);
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extern int make_symlink(const char *from, const char *to);
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extern int unlink_file(const char *file);
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extern int do_mkdir(const char *file, int mode);
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extern int hostfs_do_rmdir(const char *file);
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extern int do_mknod(const char *file, int mode, unsigned int major,
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unsigned int minor);
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extern int link_file(const char *to, const char *from);
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extern int hostfs_do_readlink(char *file, char *buf, int size);
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extern int rename_file(char *from, char *to);
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extern int rename2_file(char *from, char *to, unsigned int flags);
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extern int do_statfs(char *root, long *bsize_out, long long *blocks_out,
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long long *bfree_out, long long *bavail_out,
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long long *files_out, long long *ffree_out,
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void *fsid_out, int fsid_size, long *namelen_out);
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#endif
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