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>

*** 1004,1016 ****
          }
          ZFS_OBJ_HOLD_EXIT(zfsvfs, obj);
  }
  
  /*
!  * zfs_xvattr_set only updates the in-core attributes
!  * it is assumed the caller will be doing an sa_bulk_update
!  * to push the changes out
   */
  void
  zfs_xvattr_set(znode_t *zp, xvattr_t *xvap, dmu_tx_t *tx)
  {
          xoptattr_t *xoap;
--- 1004,1015 ----
          }
          ZFS_OBJ_HOLD_EXIT(zfsvfs, obj);
  }
  
  /*
!  * Update in-core attributes.  It is assumed the caller will be doing an
!  * sa_bulk_update to push the changes out.
   */
  void
  zfs_xvattr_set(znode_t *zp, xvattr_t *xvap, dmu_tx_t *tx)
  {
          xoptattr_t *xoap;
*** 1445,1456 ****
   * Increase the file length
   *
   *      IN:     zp      - znode of file to free data in.
   *              end     - new end-of-file
   *
!  *      RETURN: 0 if success
!  *              error code if failure
   */
  static int
  zfs_extend(znode_t *zp, uint64_t end)
  {
          zfsvfs_t *zfsvfs = zp->z_zfsvfs;
--- 1444,1454 ----
   * Increase the file length
   *
   *      IN:     zp      - znode of file to free data in.
   *              end     - new end-of-file
   *
!  *      RETURN: 0 on success, error code on failure
   */
  static int
  zfs_extend(znode_t *zp, uint64_t end)
  {
          zfsvfs_t *zfsvfs = zp->z_zfsvfs;
*** 1523,1534 ****
   *
   *      IN:     zp      - znode of file to free data in.
   *              off     - start of section to free.
   *              len     - length of section to free.
   *
!  *      RETURN: 0 if success
!  *              error code if failure
   */
  static int
  zfs_free_range(znode_t *zp, uint64_t off, uint64_t len)
  {
          zfsvfs_t *zfsvfs = zp->z_zfsvfs;
--- 1521,1531 ----
   *
   *      IN:     zp      - znode of file to free data in.
   *              off     - start of section to free.
   *              len     - length of section to free.
   *
!  *      RETURN: 0 on success, error code on failure
   */
  static int
  zfs_free_range(znode_t *zp, uint64_t off, uint64_t len)
  {
          zfsvfs_t *zfsvfs = zp->z_zfsvfs;
*** 1562,1573 ****
   * Truncate a file
   *
   *      IN:     zp      - znode of file to free data in.
   *              end     - new end-of-file.
   *
!  *      RETURN: 0 if success
!  *              error code if failure
   */
  static int
  zfs_trunc(znode_t *zp, uint64_t end)
  {
          zfsvfs_t *zfsvfs = zp->z_zfsvfs;
--- 1559,1569 ----
   * Truncate a file
   *
   *      IN:     zp      - znode of file to free data in.
   *              end     - new end-of-file.
   *
!  *      RETURN: 0 on success, error code on failure
   */
  static int
  zfs_trunc(znode_t *zp, uint64_t end)
  {
          zfsvfs_t *zfsvfs = zp->z_zfsvfs;
*** 1661,1672 ****
   *              off     - start of range
   *              len     - end of range (0 => EOF)
   *              flag    - current file open mode flags.
   *              log     - TRUE if this action should be logged
   *
!  *      RETURN: 0 if success
!  *              error code if failure
   */
  int
  zfs_freesp(znode_t *zp, uint64_t off, uint64_t len, int flag, boolean_t log)
  {
          vnode_t *vp = ZTOV(zp);
--- 1657,1667 ----
   *              off     - start of range
   *              len     - end of range (0 => EOF)
   *              flag    - current file open mode flags.
   *              log     - TRUE if this action should be logged
   *
!  *      RETURN: 0 on success, error code on failure
   */
  int
  zfs_freesp(znode_t *zp, uint64_t off, uint64_t len, int flag, boolean_t log)
  {
          vnode_t *vp = ZTOV(zp);