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use macros from <sys/queue.h>

This commit is contained in:
perseant 2002-05-17 21:42:38 +00:00
parent a14da6673f
commit 36efaa3565
4 changed files with 49 additions and 51 deletions
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66
sys/ufs/lfs/lfs_segment.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: lfs_segment.c,v 1.74 2002/05/14 20:03:54 perseant Exp $ */
/* $NetBSD: lfs_segment.c,v 1.75 2002/05/17 21:42:38 perseant Exp $ */
/*-
* Copyright (c) 1999, 2000 The NetBSD Foundation, Inc.
@ -71,7 +71,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: lfs_segment.c,v 1.74 2002/05/14 20:03:54 perseant Exp $");
__KERNEL_RCSID(0, "$NetBSD: lfs_segment.c,v 1.75 2002/05/17 21:42:38 perseant Exp $");
#define ivndebug(vp,str) printf("ino %d: %s\n",VTOI(vp)->i_number,(str))
@ -216,13 +216,13 @@ lfs_vflush(struct vnode *vp)
* to avoid losing new data
*/
s = splbio();
for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
nbp = bp->b_vnbufs.le_next;
for (bp = LIST_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) {
nbp = LIST_NEXT(bp, b_vnbufs);
if (bp->b_flags & B_CALL) {
for (tbp = vp->v_dirtyblkhd.lh_first; tbp;
for (tbp = LIST_FIRST(&vp->v_dirtyblkhd); tbp;
tbp = tnbp)
{
tnbp = tbp->b_vnbufs.le_next;
tnbp = LIST_NEXT(tbp, b_vnbufs);
if (tbp->b_vp == bp->b_vp
&& tbp->b_lblkno == bp->b_lblkno
&& tbp != bp)
@ -258,8 +258,8 @@ lfs_vflush(struct vnode *vp)
printf("lfs_vflush: ino %d is freed, not flushing\n",
ip->i_number);
s = splbio();
for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
nbp = bp->b_vnbufs.le_next;
for (bp = LIST_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) {
nbp = LIST_NEXT(bp, b_vnbufs);
if (bp->b_flags & B_DELWRI) { /* XXX always true? */
fs->lfs_avail += btofsb(fs, bp->b_bcount);
wakeup(&fs->lfs_avail);
@ -298,7 +298,7 @@ lfs_vflush(struct vnode *vp)
}
sp = fs->lfs_sp;
if (vp->v_dirtyblkhd.lh_first == NULL) {
if (LIST_FIRST(&vp->v_dirtyblkhd) == NULL) {
lfs_writevnodes(fs, vp->v_mount, sp, VN_EMPTY);
} else if ((ip->i_flag & IN_CLEANING) &&
(fs->lfs_sp->seg_flags & SEGM_CLEAN)) {
@ -307,7 +307,7 @@ lfs_vflush(struct vnode *vp)
#endif
lfs_writevnodes(fs, vp->v_mount, sp, VN_CLEAN);
} else if (lfs_dostats) {
if (vp->v_dirtyblkhd.lh_first || (VTOI(vp)->i_flag & IN_ALLMOD))
if (LIST_FIRST(&vp->v_dirtyblkhd) || (VTOI(vp)->i_flag & IN_ALLMOD))
++lfs_stats.vflush_invoked;
#ifdef DEBUG_LFS
ivndebug(vp,"vflush");
@ -328,7 +328,7 @@ lfs_vflush(struct vnode *vp)
do {
do {
if (vp->v_dirtyblkhd.lh_first != NULL)
if (LIST_FIRST(&vp->v_dirtyblkhd) != NULL)
lfs_writefile(fs, sp, vp);
} while (lfs_writeinode(fs, sp, ip));
} while (lfs_writeseg(fs, sp) && ip->i_number == LFS_IFILE_INUM);
@ -379,20 +379,18 @@ lfs_writevnodes(struct lfs *fs, struct mount *mp, struct segment *sp, int op)
#ifndef LFS_NO_BACKVP_HACK
/* BEGIN HACK */
#define VN_OFFSET (((caddr_t)&vp->v_mntvnodes.le_next) - (caddr_t)vp)
#define BACK_VP(VP) ((struct vnode *)(((caddr_t)VP->v_mntvnodes.le_prev) - VN_OFFSET))
#define BEG_OF_VLIST ((struct vnode *)(((caddr_t)&mp->mnt_vnodelist.lh_first) - VN_OFFSET))
#define VN_OFFSET (((caddr_t)&LIST_NEXT(vp, v_mntvnodes)) - (caddr_t)vp)
#define BACK_VP(VP) ((struct vnode *)(((caddr_t)(VP)->v_mntvnodes.le_prev) - VN_OFFSET))
#define BEG_OF_VLIST ((struct vnode *)(((caddr_t)&(LIST_FIRST(&mp->mnt_vnodelist))) - VN_OFFSET))
/* Find last vnode. */
loop: for (vp = mp->mnt_vnodelist.lh_first;
vp && vp->v_mntvnodes.le_next != NULL;
vp = vp->v_mntvnodes.le_next);
loop: for (vp = LIST_FIRST(&mp->mnt_vnodelist);
vp && LIST_NEXT(vp, v_mntvnodes) != NULL;
vp = LIST_NEXT(vp, v_mntvnodes));
for (; vp && vp != BEG_OF_VLIST; vp = BACK_VP(vp)) {
#else
loop:
for (vp = mp->mnt_vnodelist.lh_first;
vp != NULL;
vp = vp->v_mntvnodes.le_next) {
LIST_FOREACH(vp, &mp->mnt_vnodelist, v_mntvnodes) {
#endif
/*
* If the vnode that we are about to sync is no longer
@ -410,7 +408,7 @@ lfs_writevnodes(struct lfs *fs, struct mount *mp, struct segment *sp, int op)
continue;
}
if (op == VN_EMPTY && vp->v_dirtyblkhd.lh_first) {
if (op == VN_EMPTY && LIST_FIRST(&vp->v_dirtyblkhd)) {
vndebug(vp,"empty");
continue;
}
@ -454,16 +452,16 @@ lfs_writevnodes(struct lfs *fs, struct mount *mp, struct segment *sp, int op)
* Write the inode/file if dirty and it's not the IFILE.
*/
if ((ip->i_flag & IN_ALLMOD) ||
(vp->v_dirtyblkhd.lh_first != NULL))
(LIST_FIRST(&vp->v_dirtyblkhd) != NULL))
{
only_cleaning = ((ip->i_flag & IN_ALLMOD) == IN_CLEANING);
if (ip->i_number != LFS_IFILE_INUM
&& vp->v_dirtyblkhd.lh_first != NULL)
&& LIST_FIRST(&vp->v_dirtyblkhd) != NULL)
{
lfs_writefile(fs, sp, vp);
}
if (vp->v_dirtyblkhd.lh_first != NULL) {
if (LIST_FIRST(&vp->v_dirtyblkhd) != NULL) {
if (WRITEINPROG(vp)) {
#ifdef DEBUG_LFS
ivndebug(vp,"writevnodes/write2");
@ -640,7 +638,7 @@ lfs_segwrite(struct mount *mp, int flags)
fs->lfs_flags &= ~LFS_IFDIRTY;
ip = VTOI(vp);
/* if (vp->v_dirtyblkhd.lh_first != NULL) */
/* if (LIST_FIRST(&vp->v_dirtyblkhd) != NULL) */
lfs_writefile(fs, sp, vp);
if (ip->i_flag & IN_ALLMOD)
++did_ckp;
@ -652,11 +650,11 @@ lfs_segwrite(struct mount *mp, int flags)
} while (redo && do_ckp);
/* The ifile should now be all clear */
if (do_ckp && vp->v_dirtyblkhd.lh_first) {
if (do_ckp && LIST_FIRST(&vp->v_dirtyblkhd)) {
struct buf *bp;
int s, warned = 0, dopanic = 0;
s = splbio();
for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = bp->b_vnbufs.le_next) {
for (bp = LIST_FIRST(&vp->v_dirtyblkhd); bp; bp = LIST_NEXT(bp, b_vnbufs)) {
if (!(bp->b_flags & B_GATHERED)) {
if (!warned)
printf("lfs_segwrite: ifile still has dirty blocks?!\n");
@ -1034,15 +1032,15 @@ lfs_gather(struct lfs *fs, struct segment *sp, struct vnode *vp, int (*match)(st
s = splbio();
#ifndef LFS_NO_BACKBUF_HACK
loop: for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = bp->b_vnbufs.le_next) {
loop: LIST_FOREACH(bp, &vp->v_dirtyblkhd, b_vnbufs) {
#else /* LFS_NO_BACKBUF_HACK */
/* This is a hack to see if ordering the blocks in LFS makes a difference. */
# define BUF_OFFSET (((void *)&bp->b_vnbufs.le_next) - (void *)bp)
# define BACK_BUF(BP) ((struct buf *)(((void *)BP->b_vnbufs.le_prev) - BUF_OFFSET))
# define BEG_OF_LIST ((struct buf *)(((void *)&vp->v_dirtyblkhd.lh_first) - BUF_OFFSET))
# define BUF_OFFSET (((caddr_t)&LIST_NEXT(bp, b_vnbufs)) - (caddr_t)bp)
# define BACK_BUF(BP) ((struct buf *)(((caddr_t)(BP)->b_vnbufs.le_prev) - BUF_OFFSET))
# define BEG_OF_LIST ((struct buf *)(((caddr_t)&LIST_FIRST(&vp->v_dirtyblkhd)) - BUF_OFFSET))
/* Find last buffer. */
loop: for (bp = vp->v_dirtyblkhd.lh_first; bp && bp->b_vnbufs.le_next != NULL;
bp = bp->b_vnbufs.le_next);
loop: for (bp = LIST_FIRST(&vp->v_dirtyblkhd); bp && LIST_NEXT(bp, b_vnbufs) != NULL;
bp = LIST_NEXT(bp, b_vnbufs));
for (; bp && bp != BEG_OF_LIST; bp = BACK_BUF(bp)) {
#endif /* LFS_NO_BACKBUF_HACK */
if ((bp->b_flags & (B_BUSY|B_GATHERED)) || !match(fs, bp)) {
@ -1873,7 +1871,7 @@ lfs_writeseg(struct lfs *fs, struct segment *sp)
*/
if ((i == 1 ||
(i > 1 && vp && *bpp && (*bpp)->b_vp != vp)) &&
(bp = vp->v_dirtyblkhd.lh_first) != NULL &&
(bp = LIST_FIRST(&vp->v_dirtyblkhd)) != NULL &&
vp->v_mount == fs->lfs_ivnode->v_mount)
{
ip = VTOI(vp);

20
sys/ufs/lfs/lfs_subr.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: lfs_subr.c,v 1.22 2002/05/14 20:03:54 perseant Exp $ */
/* $NetBSD: lfs_subr.c,v 1.23 2002/05/17 21:42:38 perseant Exp $ */
/*-
* Copyright (c) 1999, 2000 The NetBSD Foundation, Inc.
@ -71,7 +71,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: lfs_subr.c,v 1.22 2002/05/14 20:03:54 perseant Exp $");
__KERNEL_RCSID(0, "$NetBSD: lfs_subr.c,v 1.23 2002/05/17 21:42:38 perseant Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -197,20 +197,20 @@ lfs_segunlock(struct lfs *fs)
*/
#ifndef LFS_NO_BACKVP_HACK
/* BEGIN HACK */
#define VN_OFFSET (((caddr_t)&vp->v_mntvnodes.le_next) - (caddr_t)vp)
#define BACK_VP(VP) ((struct vnode *)(((caddr_t)VP->v_mntvnodes.le_prev) - VN_OFFSET))
#define BEG_OF_VLIST ((struct vnode *)(((caddr_t)&mp->mnt_vnodelist.lh_first) - VN_OFFSET))
#define VN_OFFSET (((caddr_t)&LIST_NEXT(vp, v_mntvnodes)) - (caddr_t)vp)
#define BACK_VP(VP) ((struct vnode *)(((caddr_t)(VP)->v_mntvnodes.le_prev) - VN_OFFSET))
#define BEG_OF_VLIST ((struct vnode *)(((caddr_t)&LIST_FIRST(&mp->mnt_vnodelist)) - VN_OFFSET))
/* Find last vnode. */
loop: for (vp = mp->mnt_vnodelist.lh_first;
vp && vp->v_mntvnodes.le_next != NULL;
vp = vp->v_mntvnodes.le_next);
loop: for (vp = LIST_FIRST(&mp->mnt_vnodelist);
vp && LIST_NEXT(vp, v_mntvnodes) != NULL;
vp = LIST_NEXT(vp, v_mntvnodes));
for (; vp && vp != BEG_OF_VLIST; vp = BACK_VP(vp)) {
#else
loop:
for (vp = mp->mnt_vnodelist.lh_first;
for (vp = LIST_FIRST(&mp->mnt_vnodelist);
vp != NULL;
vp = vp->v_mntvnodes.le_next) {
vp = LIST_NEXT(vp, v_mntvnodes)) {
#endif
if (vp->v_mount != mp) {
printf("lfs_segunlock: starting over\n");

6
sys/ufs/lfs/lfs_vfsops.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: lfs_vfsops.c,v 1.75 2002/05/16 02:23:55 thorpej Exp $ */
/* $NetBSD: lfs_vfsops.c,v 1.76 2002/05/17 21:42:38 perseant Exp $ */
/*-
* Copyright (c) 1999, 2000 The NetBSD Foundation, Inc.
@ -71,7 +71,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: lfs_vfsops.c,v 1.75 2002/05/16 02:23:55 thorpej Exp $");
__KERNEL_RCSID(0, "$NetBSD: lfs_vfsops.c,v 1.76 2002/05/17 21:42:38 perseant Exp $");
#if defined(_KERNEL_OPT)
#include "opt_quota.h"
@ -1203,7 +1203,7 @@ lfs_unmount(struct mount *mp, int mntflags, struct proc *p)
return (error);
if ((error = VFS_SYNC(mp, 1, p->p_ucred, p)) != 0)
return (error);
if (fs->lfs_ivnode->v_dirtyblkhd.lh_first)
if (LIST_FIRST(&fs->lfs_ivnode->v_dirtyblkhd))
panic("lfs_unmount: still dirty blocks on ifile vnode\n");
/* Explicitly write the superblock, to update serial and pflags */

8
sys/ufs/lfs/lfs_vnops.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: lfs_vnops.c,v 1.63 2002/05/14 20:03:55 perseant Exp $ */
/* $NetBSD: lfs_vnops.c,v 1.64 2002/05/17 21:42:38 perseant Exp $ */
/*-
* Copyright (c) 1999, 2000 The NetBSD Foundation, Inc.
@ -71,7 +71,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: lfs_vnops.c,v 1.63 2002/05/14 20:03:55 perseant Exp $");
__KERNEL_RCSID(0, "$NetBSD: lfs_vnops.c,v 1.64 2002/05/17 21:42:38 perseant Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -309,10 +309,10 @@ lfs_fsync(void *v)
* If we were called from vinvalbuf and lfs_update
* didn't flush all our buffers, we're in trouble.
*/
if ((ap->a_flags & FSYNC_WAIT) && vp->v_dirtyblkhd.lh_first != NULL) {
if ((ap->a_flags & FSYNC_WAIT) && LIST_FIRST(&vp->v_dirtyblkhd) != NULL) {
struct buf *bp;
bp = vp->v_dirtyblkhd.lh_first;
bp = LIST_FIRST(&vp->v_dirtyblkhd);
printf("lfs_fsync: ino %d failed to sync", VTOI(vp)->i_number);
printf("lfs_fsync: iocount = %d\n", VTOI(vp)->i_lfs->lfs_iocount);
printf("lfs_fsync: flags are 0x%x, numoutput=%d\n",