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+
+http://www.usenix.org/events/fast05/wips/slides/welch.pdf
+
+
+
+-- STATLITE
+ statlite(const char *filename, struct statlite *buf);
+ fstatlite(int fd, struct statlite *buf);
+ lstatlite(const char *filename, struct statlite *buf);
+
+ * file size, mtime are optionally not guaranteed to be correct
+ * mask field to specify which fields you need to be correct
+
+
+-- READDIR+
+
+ struct dirent_plus *readdirplus(DIR *dirp);
+ int readdirplus_r(DIR *dirp, struct dirent_plus *entry, struct dirent_plus **result);
+ struct dirent_lite *readdirlite(DIR *dirp);
+ int readdirlite_r(DIR *dirp, struct dirent_lite *entry, struct dirent_lite **result);
+
+ * plus returns lstat
+ * lite returns lstatlite
+
+
+-- lazy i/o integrity
+
+ FIXME: currently missing call to flag an Fd/file has lazy. used to be O_LAZY on open, but no more.
+
+ * relax data coherency
+ * writes may not be visible until lazyio_propagate, fsync, close
+
+ lazyio_propagate(int fd, off_t offset, size_t count);
+ * my writes are safe
+
+ lazyio_synchronize(int fd, off_t offset, size_t count);
+ * i will see everyone else's propagated writes
+
+-- read/write non-serial vectors
+
+ ssize_t readx(int fd, const struct iovec *iov, size_t iov_count, struct xtvec *xtv, size_t xtv_count);
+ ssize_t writex(int fd, const struct iovec *iov, size_t iov_count, struct xtvec *xtv, size_t xtv_count);
+
+ * like readv/writev, but serial
+ *
+
+
+int lockg(int fd, int cmd, lgid_t *lgid)
+ group locks
+
+int openg(char *path, int mode, fh_t *handle);
+ portable file handle
+int sutoc(fh_t *fh);