REFUSE(3)               NetBSD Library Functions Manual              REFUSE(3)

NAME
     refuse -- Re-implementation of a file system in userspace system

LIBRARY
     File System in Userspace Convenience Library (librefuse, -lrefuse)

SYNOPSIS
     #include <fuse.h>

     int
     fuse_main(int argc, char **argv, const struct fuse_operations *);

     int
     fuse_opt_add_arg(struct fuse_args *args, const char *arg);

     int
     fuse_opt_parse(struct fuse_args *args, void *userdata,
         const struct fuse_opt *descriptions, fuse_opt_proc_t processingfunc);

     int
     fuse_teardown(struct fuse *fuse, char *mountpoint);

     struct fuse *
     fuse_setup(int argc, char **argv, const struct fuse_operations *ops,
         size_t opssize, char **mountpoint, int *multithreaded, int *fd);

     int
     puffs_fuse_node_getattr(const char *path, struct stat *attrs);

     int
     puffs_fuse_node_readlink(const char *path, char *output, size_t outlen);

     int
     puffs_fuse_node_mknod(const char *path, mode_t permissions,
         dev_t devicenumber);

     int
     puffs_fuse_node_mkdir(const char *path, mode_t permissions);

     int
     puffs_fuse_unlink(const char *path);

     int
     puffs_fuse_node_rmdir(const char *path);

     int
     puffs_fuse_node_symlink(const char *path, const char *target);

     int
     puffs_fuse_node_rename(const char *from, const char *to);

     int
     puffs_fuse_node_link(const char *from, const char *to);

     int
     puffs_fuse_node_chmod(const char *path, mode_t permissions);

     int
     puffs_fuse_node_own(const char *path, uid_t owner, gid_t group);

     int
     puffs_fuse_node_truncate(const char *path, off_t newsize);

     int
     puffs_fuse_node_utime(const char *path, struct utimbuf *newtimes);

     int
     puffs_fuse_node_open(const char *path, struct fuse_file_info *fileinfo);

     int
     puffs_fuse_node_read(const char *path, char *buffer, size_t bufferlen,
         off_t startoffset, struct fuse_file_info *fileinfo);

     int
     puffs_fuse_node_write(const char *path, char *buffer, size_t bufferlen,
         off_t startoffset, struct fuse_file_info *fileinfo);

     int
     puffs_fuse_fs_statfs(const char *path, struct statvfs *vfsinfo);

     int
     puffs_fuse_node_flush(const char *path, struct fuse_file_info *fileinfo);

     int
     puffs_fuse_node_fsync(const char *path, int flags,
         struct fuse_file_info *fileinfo);

     int
     puffs_fuse_node_setxattr(const char *path, const char *attrname,
         const char *attrvalue, size_t attrsize, int flags);

     int
     puffs_fuse_node_getxattr(const char *path, const char *attrname,
         const char *attrvalue, size_t attrvaluesize);

     int
     puffs_fuse_node_listxattr(const char *path, const char *attrname,
         size_t attrvaluesize);

     int
     puffs_fuse_node_removexattr(const char *path, const char *attrname);

     int
     puffs_fuse_node_opendir(const char *path,
         struct fuse_file_info *fileinfo);

     int
     puffs_fuse_node_readdir(const char *path, void *data,
         fuse_fill_dir_t fillinfo, off_t offset,
         struct fuse_file_info *fileinfo);

     int
     puffs_fuse_node_releasedir(const char *path,
         struct fuse_file_info *fileinfo);

     int
     puffs_fuse_node_fsyncdir(const char *path, int flags,
         struct fuse_file_info *fileinfo);

     void *
     puffs_fuse_fs_init(struct fuse_conn_info *connectioninfo);

     void
     puffs_fuse_node_destroy(void *connection);

     int
     puffs_fuse_node_access(const char *path, int accesstype);

     int
     puffs_fuse_node_create(const char *path, mode_t permissions,
         struct fuse_file_info *fileinfo);

     int
     puffs_fuse_node_ftruncate(const char *path, off_t offset,
         struct fuse_file_info *fileinfo);

     int
     puffs_fuse_node_fgetattr(const char *path, struct stat *attrs,
         struct fuse_file_info *fileinfo);

     int
     puffs_fuse_node_lock(const char *path, struct fuse_file_info *fileinfo,
         int locktype, struct flock *lockinfo);

     int
     puffs_fuse_node_utimens(const char *path,
         const struct timespec *newtimes);

     int
     puffs_fuse_node_bmap(const char *path, size_t mapsize, uint64_t offset);

DESCRIPTION
     refuse is a reimplementation of the file system in user space subsystem.
     Operations are transported from the kernel virtual file system layer to
     the concrete implementation behind refuse, where they are processed and
     results are sent back to the kernel.

     It uses the framework provided by the puffs(3) subsystem, and, through
     that, the kernel interface provided by puffs(4).

SEE ALSO
     puffs(3), puffs(4)

     Antti Kantee and Alistair Crooks, "ReFUSE: Userspace FUSE
     Reimplementation Using puffs", EuroBSDCon 2007, September 2007.

HISTORY
     An unsupported experimental version of refuse first appeared in
     NetBSD 5.0.

AUTHORS
     Alistair Crooks <agc@NetBSD.org>,
     Antti Kantee <pooka@NetBSD.org>

BUGS
     Many, legion, but well-loved.

NetBSD 7.0                      April 30, 2007                      NetBSD 7.0

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