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>

@@ -61,20 +61,19 @@
 /*
  * On-disk ddt entry:  key (name) and physical storage (value).
  */
 typedef struct ddt_key {
         zio_cksum_t     ddk_cksum;      /* 256-bit block checksum */
-        uint64_t        ddk_prop;       /* LSIZE, PSIZE, compression */
-} ddt_key_t;
-
-/*
- * ddk_prop layout:
- *
+        /*
+         * Encoded with logical & physical size, and compression, as follows:
  *      +-------+-------+-------+-------+-------+-------+-------+-------+
  *      |   0   |   0   |   0   | comp  |     PSIZE     |     LSIZE     |
  *      +-------+-------+-------+-------+-------+-------+-------+-------+
  */
+        uint64_t        ddk_prop;
+} ddt_key_t;
+
 #define DDK_GET_LSIZE(ddk)      \
         BF64_GET_SB((ddk)->ddk_prop, 0, 16, SPA_MINBLOCKSHIFT, 1)
 #define DDK_SET_LSIZE(ddk, x)   \
         BF64_SET_SB((ddk)->ddk_prop, 0, 16, SPA_MINBLOCKSHIFT, 1, x)