Every time i'm studying and trying (really hard) to understand what these hackers write, i meet
2038 * ==========================================================================
2039 * Error rank. Error are ranked in the order 0, ENXIO, ECKSUM, EIO, other.
2040 * An error of 0 indictes success. ENXIO indicates whole-device failure,
2041 * which may be transient (e.g. unplugged) or permament. ECKSUM and EIO
2042 * indicate errors that are specific to one I/O, and most likely permanent.
2043 * Any other error is presumed to be worse because we weren't expecting it.
2044 * ==========================================================================
I really like the block comment above... (i did need to put it here). ;-)
The OpenSolaris source code is like read a book, just because the quality of the comments! So we
mortals can (try) to understand it.