3742 zfs comments need cleaner, more consistent style
Submitted by:   Will Andrews <willa@spectralogic.com>
Submitted by:   Alan Somers <alans@spectralogic.com>
Reviewed by:    Matthew Ahrens <mahrens@delphix.com>
Reviewed by:    George Wilson <george.wilson@delphix.com>
Reviewed by:    Eric Schrock <eric.schrock@delphix.com>

@@ -58,10 +58,11 @@
  * field are defined as follows:
  *
  *   o addition (+) is represented by a bitwise XOR
  *   o subtraction (-) is therefore identical to addition: A + B = A - B
  *   o multiplication of A by 2 is defined by the following bitwise expression:
+ *
  *      (A * 2)_7 = A_6
  *      (A * 2)_6 = A_5
  *      (A * 2)_5 = A_4
  *      (A * 2)_4 = A_3 + A_7
  *      (A * 2)_3 = A_2 + A_7

@@ -156,14 +157,11 @@
 /*
  * Force reconstruction to use the general purpose method.
  */
 int vdev_raidz_default_to_general;
 
-/*
- * These two tables represent powers and logs of 2 in the Galois field defined
- * above. These values were computed by repeatedly multiplying by 2 as above.
- */
+/* Powers of 2 in the Galois field defined above. */
 static const uint8_t vdev_raidz_pow2[256] = {
         0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80,
         0x1d, 0x3a, 0x74, 0xe8, 0xcd, 0x87, 0x13, 0x26,
         0x4c, 0x98, 0x2d, 0x5a, 0xb4, 0x75, 0xea, 0xc9,
         0x8f, 0x03, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0,

@@ -194,10 +192,11 @@
         0x12, 0x24, 0x48, 0x90, 0x3d, 0x7a, 0xf4, 0xf5,
         0xf7, 0xf3, 0xfb, 0xeb, 0xcb, 0x8b, 0x0b, 0x16,
         0x2c, 0x58, 0xb0, 0x7d, 0xfa, 0xe9, 0xcf, 0x83,
         0x1b, 0x36, 0x6c, 0xd8, 0xad, 0x47, 0x8e, 0x01
 };
+/* Logs of 2 in the Galois field defined above. */
 static const uint8_t vdev_raidz_log2[256] = {
         0x00, 0x00, 0x01, 0x19, 0x02, 0x32, 0x1a, 0xc6,
         0x03, 0xdf, 0x33, 0xee, 0x1b, 0x68, 0xc7, 0x4b,
         0x04, 0x64, 0xe0, 0x0e, 0x34, 0x8d, 0xef, 0x81,
         0x1c, 0xc1, 0x69, 0xf8, 0xc8, 0x08, 0x4c, 0x71,