From 9c3e90a54e41f5217f5e476e5b4e20707f8edad1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Axel=20D=C3=B6rfler?= Date: Tue, 13 Aug 2002 13:48:18 +0000 Subject: [PATCH] Removed the FS interface functions from vfs.h to a new file fs_interface.h. git-svn-id: file:///srv/svn/repos/haiku/trunk/current@737 a95241bf-73f2-0310-859d-f6bbb57e9c96 --- headers/os/kernel/fs_interface.h | 132 +++++++++++++++++++++++++++++++ 1 file changed, 132 insertions(+) create mode 100644 headers/os/kernel/fs_interface.h diff --git a/headers/os/kernel/fs_interface.h b/headers/os/kernel/fs_interface.h new file mode 100644 index 0000000000..7a78a1b4c1 --- /dev/null +++ b/headers/os/kernel/fs_interface.h @@ -0,0 +1,132 @@ +/* File System Interface Layer Definition +** +** Distributed under the terms of the OpenBeOS License. +*/ + +#ifndef _FS_INTERFACE_H +#define _FS_INTERFACE_H + +#include +#include + +struct dirent; +struct stat; +struct fs_info; +struct attr_info; +struct index_info; + + +/* the file system's private data structures */ +typedef void *fs_cookie; +typedef void *file_cookie; +typedef void *fs_vnode; + +/* passed to fs_write_stat() */ +enum write_stat_mask { + FS_WSTAT_MODE = 0x0001, + FS_WSTAT_UID = 0x0002, + FS_WSTAT_GID = 0x0004, + FS_WSTAT_SIZE = 0x0008, + FS_WSTAT_ATIME = 0x0010, + FS_WSTAT_MTIME = 0x0020, + FS_WSTAT_CRTIME = 0x0040 +}; + +#define WFSSTAT_NAME 0x0001 + +#define B_CURRENT_FS_API_VERSION 3 + +#ifdef __cplusplus +extern "C" { +#endif + +struct fs_calls { + /* general operations */ + int (*fs_mount)(fs_id id, const char *device, void *args, fs_cookie *_fs, vnode_id *_rootVnodeID); + int (*fs_unmount)(fs_cookie fs); + + int (*fs_read_fs_info)(fs_cookie fs, struct fs_info *info); + int (*fs_write_fs_info)(fs_cookie fs, const struct fs_info *info, int mask); + int (*fs_sync)(fs_cookie fs); + + /* vnode operations */ + int (*fs_lookup)(fs_cookie fs, fs_vnode dir, const char *name, vnode_id *_id, int *_type); + int (*fs_get_vnode_name)(fs_cookie fs, fs_vnode vnode, char *buffer, size_t bufferSize); + + int (*fs_get_vnode)(fs_cookie fs, vnode_id id, fs_vnode *_vnode, bool reenter); + int (*fs_put_vnode)(fs_cookie fs, fs_vnode vnode, bool reenter); + int (*fs_remove_vnode)(fs_cookie fs, fs_vnode vnode, bool reenter); + + /* VM file access */ + int (*fs_can_page)(fs_cookie fs, fs_vnode v); + ssize_t (*fs_read_page)(fs_cookie fs, fs_vnode v, iovecs *vecs, off_t pos); + ssize_t (*fs_write_page)(fs_cookie fs, fs_vnode v, iovecs *vecs, off_t pos); + + /* common operations */ + int (*fs_ioctl)(fs_cookie fs, fs_vnode v, file_cookie cookie, ulong op, void *buffer, size_t length); + int (*fs_fsync)(fs_cookie fs, fs_vnode v); + + int (*fs_read_link)(fs_cookie fs, fs_vnode link, char *buffer, size_t bufferSize); + int (*fs_write_link)(fs_cookie fs, fs_vnode link, char *toPath); + int (*fs_symlink)(fs_cookie fs, fs_vnode dir, const char *name, const char *path, int mode); + + int (*fs_unlink)(fs_cookie fs, fs_vnode dir, const char *name); + int (*fs_rename)(fs_cookie fs, fs_vnode olddir, const char *oldname, fs_vnode newdir, const char *newname); + + int (*fs_access)(fs_cookie fs, fs_vnode vnode, int mode); + int (*fs_read_stat)(fs_cookie fs, fs_vnode vnode, struct stat *stat); + int (*fs_write_stat)(fs_cookie fs, fs_vnode vnode, const struct stat *stat, int statMask); + + /* file operations */ + int (*fs_create)(fs_cookie fs, fs_vnode dir, const char *name, int omode, int perms, file_cookie *_cookie, vnode_id *_newVnodeID); + int (*fs_open)(fs_cookie fs, fs_vnode v, int oflags, file_cookie *_cookie); + int (*fs_close)(fs_cookie fs, fs_vnode v, file_cookie cookie); + int (*fs_free_cookie)(fs_cookie fs, fs_vnode v, file_cookie cookie); + ssize_t (*fs_read)(fs_cookie fs, fs_vnode v, file_cookie cookie, off_t pos, void *buffer, size_t *length); + ssize_t (*fs_write)(fs_cookie fs, fs_vnode v, file_cookie cookie, off_t pos, const void *buffer, size_t *length); + off_t (*fs_seek)(fs_cookie fs, fs_vnode v, file_cookie cookie, off_t pos, int seekType); + + /* directory operations */ + int (*fs_create_dir)(fs_cookie fs, fs_vnode parent, const char *name, int perms, vnode_id *_newVnodeID); + int (*fs_open_dir)(fs_cookie fs, fs_vnode v, file_cookie *_cookie); + int (*fs_close_dir)(fs_cookie fs, fs_vnode v, file_cookie cookie); + int (*fs_free_dir_cookie)(fs_cookie fs, fs_vnode v, file_cookie cookie); + int (*fs_read_dir)(fs_cookie fs, fs_vnode v, file_cookie cookie, struct dirent *buffer, size_t bufferSize, uint32 *_num); + int (*fs_rewind_dir)(fs_cookie fs, fs_vnode v, file_cookie cookie); + + /* attribute directory operations */ +// int (*fs_open_attr_dir)(fs_cookie fs, fs_vnode v, file_cookie *cookie, int oflags); +// int (*fs_close_attr_dir)(fs_cookie fs, fs_vnode v, file_cookie cookie); +// int (*fs_free_attr_dir_cookie)(fs_cookie fs, fs_vnode v, file_cookie cookie); +// int (*fs_read_attr_dir)(fs_cookie fs, fs_vnode v, file_cookie cookie, struct dirent *buffer, size_t bufferSize, uint32 *_num); +// int (*fs_rewind_attr_dir)(fs_cookie fs, fs_vnode v, file_cookie cookie); +// +// /* attribute operations */ +// int (*fs_open_attr)(fs_cookie fs, fs_vnode v, file_cookie *cookie, stream_type st, int oflags); +// int (*fs_close_attr)(fs_cookie fs, fs_vnode v, file_cookie cookie); +// int (*fs_free_attr_cookie)(fs_cookie fs, fs_vnode v, file_cookie cookie); +// ssize_t (*fs_read_attr)(fs_cookie fs, fs_vnode v, file_cookie cookie, void *buf, off_t pos, size_t *len); +// ssize_t (*fs_write_attr)(fs_cookie fs, fs_vnode v, file_cookie cookie, const void *buf, off_t pos, size_t *len); +// int (*fs_seek_attr)(fs_cookie fs, fs_vnode v, file_cookie cookie, off_t pos, int st); +// int (*fs_rename_attr)(fs_cookie fs, fs_vnode file, const char *oldname, const char *newname); +// +// /* index directory & index operations */ +// int (*fs_open_index_dir)(fs_cookie fs, fs_vnode v, file_cookie *cookie, int oflags); +// int (*fs_close_index_dir)(fs_cookie fs, fs_vnode v, file_cookie cookie); +// int (*fs_free_index_dir_cookie)(fs_cookie fs, fs_vnode v, file_cookie cookie); +// int (*fs_read_index_dir)(fs_cookie fs, fs_vnode v, file_cookie cookie, struct dirent *buffer, size_t bufferSize, uint32 *_num); +// int (*fs_rewind_index_dir)(fs_cookie fs, fs_vnode v, file_cookie cookie); +// +// /* query operations */ +// int (*fs_open_query)(fs_cookie fs, fs_vnode v, file_cookie *cookie, int oflags); +// int (*fs_close_query)(fs_cookie fs, fs_vnode v, file_cookie cookie); +// int (*fs_free_query_cookie)(fs_cookie fs, fs_vnode v, file_cookie cookie); +// int (*fs_read_query)(fs_cookie fs, fs_vnode v, file_cookie cookie, struct dirent *buffer, size_t bufferSize, uint32 *_num); +// int (*fs_rewind_query)(fs_cookie fs, fs_vnode v, file_cookie cookie); +}; + +#ifdef __cplusplus +} +#endif + +#endif /* _FS_INTERFACE_H */