Now that we have this in 4.5-rc1 let's get this into man-pages as well. > --- /dev/null > +++ b/man2/ioctl_ficlone.2 think this should be a link to the clone range man page, and the both ioctls should be documented together. Basically just document FICLONERANGE and then mentiond that FICLONE does a whole file clone. > +.B #include <sys/ioctl.h> Don't we need uapi/linux/fs.h as well? > Not all filesystems support > +overlapping reflink ranges in the same file. Which one doesn't? Also there should be a sentence that the clones are atomic vs concurrent writes, so no locks need to be taken for a consistent snapshot. -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html