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[src/trunk]: src/sys remove the aiodoned thread. I originally added this to ...
details: https://anonhg.NetBSD.org/src/rev/6efc026ea03a
branches: trunk
changeset: 744941:6efc026ea03a
user: chs <chs%NetBSD.org@localhost>
date: Tue Feb 18 20:23:17 2020 +0000
description:
remove the aiodoned thread. I originally added this to provide a thread context
for doing page cache iodone work, but since then biodone() has changed to
hand off all iodone work to a softint thread, so we no longer need the
special-purpose aiodoned thread.
diffstat:
sys/kern/init_main.c | 9 +-----
sys/miscfs/genfs/genfs_io.c | 15 +++-------
sys/rump/librump/rumpkern/rump.c | 20 +-------------
sys/rump/librump/rumpvfs/vm_vfs.c | 11 +------
sys/ufs/lfs/lfs_bio.c | 6 ++--
sys/ufs/lfs/lfs_extern.h | 4 +-
sys/ufs/lfs/lfs_inode.h | 4 +-
sys/ufs/lfs/lfs_segment.c | 51 +++-----------------------------------
sys/ufs/lfs/lfs_syscalls.c | 6 ++--
sys/ufs/lfs/lfs_vfsops.c | 6 ++--
sys/uvm/uvm.h | 8 +-----
sys/uvm/uvm_extern.h | 3 +-
sys/uvm/uvm_pager.c | 24 +----------------
sys/uvm/uvm_pdaemon.c | 23 +----------------
sys/uvm/uvm_swap.c | 11 ++------
15 files changed, 38 insertions(+), 163 deletions(-)
diffs (truncated from 569 to 300 lines):
diff -r 9022e57e2a2c -r 6efc026ea03a sys/kern/init_main.c
--- a/sys/kern/init_main.c Tue Feb 18 17:50:32 2020 +0000
+++ b/sys/kern/init_main.c Tue Feb 18 20:23:17 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: init_main.c,v 1.520 2020/02/15 18:12:15 ad Exp $ */
+/* $NetBSD: init_main.c,v 1.521 2020/02/18 20:23:17 chs Exp $ */
/*-
* Copyright (c) 2008, 2009, 2019 The NetBSD Foundation, Inc.
@@ -97,7 +97,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: init_main.c,v 1.520 2020/02/15 18:12:15 ad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: init_main.c,v 1.521 2020/02/18 20:23:17 chs Exp $");
#include "opt_ddb.h"
#include "opt_inet.h"
@@ -720,11 +720,6 @@
NULL, NULL, "ioflush"))
panic("fork syncer");
- /* Create the aiodone daemon kernel thread. */
- if (workqueue_create(&uvm.aiodone_queue, "aiodoned",
- uvm_aiodone_worker, NULL, PRI_VM, IPL_NONE, WQ_MPSAFE))
- panic("fork aiodoned");
-
/* Wait for final configure threads to complete. */
config_finalize_mountroot();
diff -r 9022e57e2a2c -r 6efc026ea03a sys/miscfs/genfs/genfs_io.c
--- a/sys/miscfs/genfs/genfs_io.c Tue Feb 18 17:50:32 2020 +0000
+++ b/sys/miscfs/genfs/genfs_io.c Tue Feb 18 20:23:17 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: genfs_io.c,v 1.84 2020/01/15 17:55:44 ad Exp $ */
+/* $NetBSD: genfs_io.c,v 1.85 2020/02/18 20:23:17 chs Exp $ */
/*
* Copyright (c) 1982, 1986, 1989, 1993
@@ -31,7 +31,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: genfs_io.c,v 1.84 2020/01/15 17:55:44 ad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: genfs_io.c,v 1.85 2020/02/18 20:23:17 chs Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -606,9 +606,6 @@
if (kva == 0)
return EBUSY;
- if (uvm.aiodone_queue == NULL)
- async = 0;
-
mbp = getiobuf(vp, true);
mbp->b_bufsize = totalbytes;
mbp->b_data = (void *)kva;
@@ -616,7 +613,7 @@
mbp->b_cflags = BC_BUSY;
if (async) {
mbp->b_flags = B_READ | B_ASYNC;
- mbp->b_iodone = uvm_aio_biodone;
+ mbp->b_iodone = uvm_aio_aiodone;
} else {
mbp->b_flags = B_READ;
mbp->b_iodone = NULL;
@@ -1396,9 +1393,8 @@
UVMPAGER_MAPIN_WRITE | UVMPAGER_MAPIN_WAITOK);
len = npages << PAGE_SHIFT;
- KASSERT(uvm.aiodone_queue != NULL);
error = genfs_do_io(vp, off, kva, len, flags, UIO_WRITE,
- uvm_aio_biodone);
+ uvm_aio_aiodone);
return error;
}
@@ -1429,9 +1425,8 @@
UVMPAGER_MAPIN_READ | UVMPAGER_MAPIN_WAITOK);
len = npages << PAGE_SHIFT;
- KASSERT(uvm.aiodone_queue != NULL);
error = genfs_do_io(vp, off, kva, len, flags, UIO_WRITE,
- uvm_aio_biodone);
+ uvm_aio_aiodone);
return error;
}
diff -r 9022e57e2a2c -r 6efc026ea03a sys/rump/librump/rumpkern/rump.c
--- a/sys/rump/librump/rumpkern/rump.c Tue Feb 18 17:50:32 2020 +0000
+++ b/sys/rump/librump/rumpkern/rump.c Tue Feb 18 20:23:17 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: rump.c,v 1.340 2020/02/10 03:23:29 riastradh Exp $ */
+/* $NetBSD: rump.c,v 1.341 2020/02/18 20:23:17 chs Exp $ */
/*
* Copyright (c) 2007-2011 Antti Kantee. All Rights Reserved.
@@ -26,7 +26,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rump.c,v 1.340 2020/02/10 03:23:29 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rump.c,v 1.341 2020/02/18 20:23:17 chs Exp $");
#include <sys/systm.h>
#define ELFSIZE ARCH_ELFSIZE
@@ -116,15 +116,6 @@
pool_cache_t pnbuf_cache;
-static void
-rump_aiodone_worker(struct work *wk, void *dummy)
-{
- struct buf *bp = (struct buf *)wk;
-
- KASSERT(&bp->b_work == wk);
- bp->b_iodone(bp);
-}
-
static int rump_inited;
void (*rump_vfs_drainbufs)(int) = (void *)nullop;
@@ -460,13 +451,6 @@
cold = 0;
- /* aieeeedondest */
- if (rump_threads) {
- if (workqueue_create(&uvm.aiodone_queue, "aiodoned",
- rump_aiodone_worker, NULL, 0, 0, WQ_MPSAFE))
- panic("aiodoned");
- }
-
sysctl_finalize();
module_init_class(MODULE_CLASS_ANY);
diff -r 9022e57e2a2c -r 6efc026ea03a sys/rump/librump/rumpvfs/vm_vfs.c
--- a/sys/rump/librump/rumpvfs/vm_vfs.c Tue Feb 18 17:50:32 2020 +0000
+++ b/sys/rump/librump/rumpvfs/vm_vfs.c Tue Feb 18 20:23:17 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: vm_vfs.c,v 1.36 2020/01/15 17:55:44 ad Exp $ */
+/* $NetBSD: vm_vfs.c,v 1.37 2020/02/18 20:23:17 chs Exp $ */
/*
* Copyright (c) 2008-2011 Antti Kantee. All Rights Reserved.
@@ -26,7 +26,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: vm_vfs.c,v 1.36 2020/01/15 17:55:44 ad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vm_vfs.c,v 1.37 2020/02/18 20:23:17 chs Exp $");
#include <sys/param.h>
@@ -90,13 +90,6 @@
kmem_free(pgs, npages * sizeof(*pgs));
}
-void
-uvm_aio_biodone(struct buf *bp)
-{
-
- uvm_aio_aiodone(bp);
-}
-
/*
* UBC
*/
diff -r 9022e57e2a2c -r 6efc026ea03a sys/ufs/lfs/lfs_bio.c
--- a/sys/ufs/lfs/lfs_bio.c Tue Feb 18 17:50:32 2020 +0000
+++ b/sys/ufs/lfs/lfs_bio.c Tue Feb 18 20:23:17 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: lfs_bio.c,v 1.144 2019/12/31 13:07:14 ad Exp $ */
+/* $NetBSD: lfs_bio.c,v 1.145 2020/02/18 20:23:17 chs Exp $ */
/*-
* Copyright (c) 1999, 2000, 2001, 2002, 2003, 2008 The NetBSD Foundation, Inc.
@@ -60,7 +60,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: lfs_bio.c,v 1.144 2019/12/31 13:07:14 ad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: lfs_bio.c,v 1.145 2020/02/18 20:23:17 chs Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -729,7 +729,7 @@
bp->b_blkno = daddr;
bp->b_error = 0;
bp->b_resid = 0;
- bp->b_iodone = lfs_callback;
+ bp->b_iodone = lfs_free_aiodone;
bp->b_cflags = BC_BUSY | BC_NOCACHE;
bp->b_private = fs;
diff -r 9022e57e2a2c -r 6efc026ea03a sys/ufs/lfs/lfs_extern.h
--- a/sys/ufs/lfs/lfs_extern.h Tue Feb 18 17:50:32 2020 +0000
+++ b/sys/ufs/lfs/lfs_extern.h Tue Feb 18 20:23:17 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: lfs_extern.h,v 1.114 2018/08/22 01:05:24 msaitoh Exp $ */
+/* $NetBSD: lfs_extern.h,v 1.115 2020/02/18 20:23:17 chs Exp $ */
/*-
* Copyright (c) 1999, 2000, 2001, 2002, 2003 The NetBSD Foundation, Inc.
@@ -197,7 +197,7 @@
int lfs_match_indir(struct lfs *, struct buf *);
int lfs_match_dindir(struct lfs *, struct buf *);
int lfs_match_tindir(struct lfs *, struct buf *);
-void lfs_callback(struct buf *);
+void lfs_free_aiodone(struct buf *);
void lfs_acquire_finfo(struct lfs *fs, ino_t, int);
void lfs_release_finfo(struct lfs *fs);
diff -r 9022e57e2a2c -r 6efc026ea03a sys/ufs/lfs/lfs_inode.h
--- a/sys/ufs/lfs/lfs_inode.h Tue Feb 18 17:50:32 2020 +0000
+++ b/sys/ufs/lfs/lfs_inode.h Tue Feb 18 20:23:17 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: lfs_inode.h,v 1.23 2017/06/10 05:29:36 maya Exp $ */
+/* $NetBSD: lfs_inode.h,v 1.24 2020/02/18 20:23:17 chs Exp $ */
/* from NetBSD: ulfs_inode.h,v 1.5 2013/06/06 00:51:50 dholland Exp */
/* from NetBSD: inode.h,v 1.72 2016/06/03 15:36:03 christos Exp */
@@ -214,7 +214,7 @@
#ifdef _KERNEL
-# define LFS_IS_MALLOC_BUF(bp) ((bp)->b_iodone == lfs_callback)
+# define LFS_IS_MALLOC_BUF(bp) ((bp)->b_iodone == lfs_free_aiodone)
/* log for debugging writes to the Ifile */
# ifdef DEBUG
diff -r 9022e57e2a2c -r 6efc026ea03a sys/ufs/lfs/lfs_segment.c
--- a/sys/ufs/lfs/lfs_segment.c Tue Feb 18 17:50:32 2020 +0000
+++ b/sys/ufs/lfs/lfs_segment.c Tue Feb 18 20:23:17 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: lfs_segment.c,v 1.281 2020/01/15 17:55:44 ad Exp $ */
+/* $NetBSD: lfs_segment.c,v 1.282 2020/02/18 20:23:17 chs Exp $ */
/*-
* Copyright (c) 1999, 2000, 2001, 2002, 2003 The NetBSD Foundation, Inc.
@@ -60,7 +60,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: lfs_segment.c,v 1.281 2020/01/15 17:55:44 ad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: lfs_segment.c,v 1.282 2020/02/18 20:23:17 chs Exp $");
#ifdef DEBUG
# define vndebug(vp, str) do { \
@@ -109,11 +109,8 @@
MALLOC_JUSTDEFINE(M_SEGMENT, "LFS segment", "Segment for LFS");
-static void lfs_generic_callback(struct buf *, void (*)(struct buf *));
-static void lfs_free_aiodone(struct buf *);
static void lfs_super_aiodone(struct buf *);
static void lfs_cluster_aiodone(struct buf *);
-static void lfs_cluster_callback(struct buf *);
/*
* Determine if it's OK to start a partial in this segment, or if we need
@@ -136,7 +133,6 @@
int lfs_match_fake(struct lfs *, struct buf *);
void lfs_newseg(struct lfs *);
-void lfs_supercallback(struct buf *);
void lfs_updatemeta(struct segment *);
void lfs_writesuper(struct lfs *, daddr_t);
int lfs_writevnodes(struct lfs *fs, struct mount *mp,
@@ -2007,7 +2003,7 @@
bp = getiobuf(vp, true);
bp->b_dev = NODEV;
bp->b_blkno = bp->b_lblkno = addr;
- bp->b_iodone = lfs_cluster_callback;
+ bp->b_iodone = lfs_cluster_aiodone;
bp->b_private = cl;
return bp;
@@ -2430,7 +2426,7 @@
bp->b_flags = (bp->b_flags & ~B_READ) | B_ASYNC;
bp->b_oflags &= ~(BO_DONE | BO_DELWRI);
bp->b_error = 0;
- bp->b_iodone = lfs_supercallback;
+ bp->b_iodone = lfs_super_aiodone;
if (fs->lfs_sp != NULL && fs->lfs_sp->seg_flags & SEGM_SYNC)
BIO_SETPRIO(bp, BPRIO_TIMECRITICAL);
@@ -2508,7 +2504,7 @@
return (lbn < 0 && (-lbn - ULFS_NDADDR) % LFS_NINDIR(fs) == 2);
}
-static void
+void
lfs_free_aiodone(struct buf *bp)
{
struct lfs *fs;
@@ -2675,43 +2671,6 @@
pool_put(&fs->lfs_clpool, cl);
}
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