[src/trunk]: src/share/man/man9 New sentence, new line.

[wiz <wiz%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/5fcb11cd6304
branches:  trunk
changeset: 819338:5fcb11cd6304
user:      wiz <wiz%NetBSD.org@localhost>
date:      Mon Nov 28 11:54:18 2016 +0000

description:
New sentence, new line.
Use more/better formatting.
Fix a typo.

diffstat:

 share/man/man9/dksubr.9 |  54 +++++++++++++++++++++++++++++-------------------
 1 files changed, 32 insertions(+), 22 deletions(-)

diffs (136 lines):

diff -r 1932f7441172 -r 5fcb11cd6304 share/man/man9/dksubr.9
--- a/share/man/man9/dksubr.9   Mon Nov 28 11:00:24 2016 +0000
+++ b/share/man/man9/dksubr.9   Mon Nov 28 11:54:18 2016 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: dksubr.9,v 1.1 2016/11/28 11:00:24 mlelstv Exp $
+.\"    $NetBSD: dksubr.9,v 1.2 2016/11/28 11:54:18 wiz Exp $
 .\"
 .\" Copyright (c) 2016 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -87,7 +87,8 @@
 .Fn dk_getdisklabel "struct dk_softc *" "dev_t"
 .Sh DESCRIPTION
 The disk driver subroutines provide common functionality for all disk drivers
-to reduce the amount of replicated code. For many disk drivers, their
+to reduce the amount of replicated code.
+For many disk drivers, their
 corresponding entry points can be made mostly stubs.
 .Pp
 The subroutines encapsulate data structures found in a driver's softc
@@ -97,7 +98,7 @@
        device_t                sc_dev;
        struct disk             sc_dkdev;
        struct bufq_state       sc_bufq;
-       krndsoruce_t            sc_rnd_source;
+       krndsource_t            sc_rnd_source;
 ...
 }
 .Ed
@@ -129,7 +130,8 @@
 .It Fn dk_close
 Handles close steps for the
 .Xr disk 9
-framework. The driver may provide the
+framework.
+The driver may provide the
 .Nm d_lastclose
 callback to handle finalization steps.
 .Nm dk_open
@@ -142,7 +144,7 @@
 .Nm d_discard
 callback.
 .It Fn dk_size
-returns dump size information from the
+Returns dump size information from the
 .Xr disklabel 9
 and opens and closes the driver when necessary.
 .It Fn dk_dump
@@ -154,17 +156,20 @@
 callback.
 .It Fn dk_ioctl
 Handles the ioctls
-.Nm DIOCKLABEL
-.Nm DIOCWLABEL
-.Nm DIOCGDEFLABEL
-.Nm DIOCGSTRATEGY
-.Nm DIOCSSTRATEGY
+.Dv DIOCKLABEL ,
+.Dv DIOCWLABEL ,
+.Dv DIOCGDEFLABEL ,
+.Dv DIOCGSTRATEGY ,
+and
+.Dv DIOCSSTRATEGY
 and passes other disk ioctls through the
 .Xr disk 9
-framework. Returns
+framework.
+Returns
 .Nm ENOTTY
-when an ioctl isn't implemented. This routine is run as a fallback to
-handle commands, that are not specific to the driver.
+when an ioctl isn't implemented.
+This routine is run as a fallback to
+handle commands that are not specific to the driver.
 .It Fn dk_strategy
 Validates parameters, computes raw block numbers, queues a buffer for I/O
 and triggers queue processing by calling
@@ -172,7 +177,8 @@
 .It Fn dk_strategy_defer
 Alternative to
 .Nm dk_strategy
-that only queues the buffer. Drivers that implement a separate I/O thread
+that only queues the buffer.
+Drivers that implement a separate I/O thread
 can use
 .Nm dk_strategy_defer
 within their own strategy routine and signal the thread through a private
@@ -185,12 +191,16 @@
 .Nm dk_start
 to trigger queue processing.
 .It Fn dk_start
-If bp != NULL put it into the queue. Run the
+If
+.Ar bp != Dv NULL
+put it into the queue.
+Run the
 .Nm d_diskstart
 callback for every buffer until the queue is empty or the callback returns
 .Nm EAGAIN .
 In the latter case, the buffer is saved and issued on the
-next queue run. This also calls
+next queue run.
+This also calls
 .Nm disk_busy
 accordingly to handle I/O metrics.
 .It Fn dk_done
@@ -201,8 +211,8 @@
 to handle I/O metrics and collects entropy for the
 .Xr cprng 9 .
 .It Fn dk_drain
-Aborts all queued I/O. This function must be called instead
-of
+Aborts all queued I/O.
+This function must be called instead of
 .Fn bufq_drain
 to cooperate with
 .Nm dk_start .
@@ -250,8 +260,8 @@
 Issue a single I/O requests, called by
 .Nm dk_dump .
 .It Fn d_lastclose
-Private cleanup after last user is finished. Often used to
-flush write caches.
+Private cleanup after last user is finished.
+Often used to flush write caches.
 .It Fn d_discard
 Issue a single I/O request to invalidate a disk region.
 .It Fn d_firstopen
@@ -282,6 +292,6 @@
 .Nm dk_lookup
 helper function, that is used by the
 .Xr cgd 4
-driver to open a vnode for a block device. This looks too generic
+driver to open a vnode for a block device.
+This looks too generic
 and should be put somewhere better (and be renamed).
-