[src/trunk]: src/sys/kern aio_suspend1: remove wrong comment, add one new.

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

details:   https://anonhg.NetBSD.org/src/rev/a04619177d37
branches:  trunk
changeset: 751266:a04619177d37
user:      rmind <rmind%NetBSD.org@localhost>
date:      Sat Jan 30 21:23:46 2010 +0000

description:
aio_suspend1: remove wrong comment, add one new.
Tidy up a little, while here.

diffstat:

 sys/kern/sys_aio.c |  34 ++++++++++++++++------------------
 1 files changed, 16 insertions(+), 18 deletions(-)

diffs (82 lines):

diff -r 91671dacec96 -r a04619177d37 sys/kern/sys_aio.c
--- a/sys/kern/sys_aio.c        Sat Jan 30 20:50:19 2010 +0000
+++ b/sys/kern/sys_aio.c        Sat Jan 30 21:23:46 2010 +0000
@@ -1,7 +1,7 @@
-/*     $NetBSD: sys_aio.c,v 1.30 2009/11/22 19:09:16 mbalmer Exp $     */
+/*     $NetBSD: sys_aio.c,v 1.31 2010/01/30 21:23:46 rmind Exp $       */
 
 /*
- * Copyright (c) 2007, Mindaugas Rasiukevicius <rmind at NetBSD org>
+ * Copyright (c) 2007 Mindaugas Rasiukevicius <rmind at NetBSD org>
  * All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sys_aio.c,v 1.30 2009/11/22 19:09:16 mbalmer Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sys_aio.c,v 1.31 2010/01/30 21:23:46 rmind Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_ddb.h"
@@ -69,20 +69,19 @@
 /*
  * System-wide limits and counter of AIO operations.
  */
-u_int aio_listio_max = AIO_LISTIO_MAX;
-static u_int aio_max = AIO_MAX;
-static u_int aio_jobs_count;
+u_int                  aio_listio_max = AIO_LISTIO_MAX;
+static u_int           aio_max = AIO_MAX;
+static u_int           aio_jobs_count;
 
-static struct pool aio_job_pool;
-static struct pool aio_lio_pool;
-static void *aio_ehook;
+static struct pool     aio_job_pool;
+static struct pool     aio_lio_pool;
+static void *          aio_ehook;
 
-/* Prototypes */
-static void aio_worker(void *);
-static void aio_process(struct aio_job *);
-static void aio_sendsig(struct proc *, struct sigevent *);
-static int aio_enqueue_job(int, void *, struct lio_req *);
-static void aio_exit(proc_t *, void *);
+static void    aio_worker(void *);
+static void    aio_process(struct aio_job *);
+static void    aio_sendsig(struct proc *, struct sigevent *);
+static int     aio_enqueue_job(int, void *, struct lio_req *);
+static void    aio_exit(proc_t *, void *);
 
 static const struct syscall_package aio_syscalls[] = {
        { SYS_aio_cancel, 0, (sy_call_t *)sys_aio_cancel },
@@ -830,6 +829,7 @@
                if (error)
                        return error;
        }
+
        list = kmem_alloc(nent * sizeof(*list), KM_SLEEP);
        error = copyin(SCARG(uap, list), list, nent * sizeof(*list));
        if (error)
@@ -862,11 +862,8 @@
        } else
                timo = 0;
 
-       /* Get the list from user-space */
-
        mutex_enter(&aio->aio_mtx);
        for (;;) {
-
                for (i = 0; i < nent; i++) {
 
                        /* Skip NULL entries */
@@ -890,6 +887,7 @@
 
                                mutex_exit(&aio->aio_mtx);
 
+                               /* Check if the job is done. */
                                error = copyin(aiocbp_list[i], &aiocbp,
                                    sizeof(struct aiocb));
                                if (error == 0 && aiocbp._state != JOB_DONE) {