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Use TAILQ macros for clean/dirty block list processing. Set b_xflags

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rather than abusing the list next pointer with a magic number.
This commit is contained in:
Peter Wemm 1998-10-31 15:31:29 +00:00
parent 213cbcbeaf
commit 40c8cfe552
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=40790
29 changed files with 94 additions and 96 deletions
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9
sys/fs/msdosfs/msdosfs_vfsops.c
View File

@ -1,4 +1,4 @@
/* $Id: msdosfs_vfsops.c,v 1.36 1998/09/07 13:17:02 bde Exp $ */
/* $Id: msdosfs_vfsops.c,v 1.37 1998/10/25 19:26:18 bde Exp $ */
/* $NetBSD: msdosfs_vfsops.c,v 1.51 1997/11/17 15:36:58 ws Exp $ */
/*-
@ -797,8 +797,8 @@ msdosfs_unmount(mp, mntflags, p)
vp->v_freelist.tqe_next, vp->v_freelist.tqe_prev,
vp->v_mount);
printf("cleanblkhd %p, dirtyblkhd %p, numoutput %ld, type %d\n",
vp->v_cleanblkhd.lh_first,
vp->v_dirtyblkhd.lh_first,
TAILQ_FIRST(&vp->v_cleanblkhd),
TAILQ_FIRST(&vp->v_dirtyblkhd),
vp->v_numoutput, vp->v_type);
printf("union %p, tag %d, data[0] %08x, data[1] %08x\n",
vp->v_socket, vp->v_tag,
@ -913,8 +913,7 @@ msdosfs_sync(mp, waitfor, cred, p)
if (vp->v_type == VNON ||
(dep->de_flag &
(DE_ACCESS | DE_CREATE | DE_UPDATE | DE_MODIFIED)) == 0 &&
(vp->v_dirtyblkhd.lh_first == NULL ||
waitfor == MNT_LAZY)) {
(TAILQ_EMPTY(&vp->v_dirtyblkhd) || waitfor == MNT_LAZY)) {
simple_unlock(&vp->v_interlock);
continue;
}

8
sys/fs/msdosfs/msdosfs_vnops.c
View File

@ -1,4 +1,4 @@
/* $Id: msdosfs_vnops.c,v 1.75 1998/07/11 07:45:50 bde Exp $ */
/* $Id: msdosfs_vnops.c,v 1.76 1998/09/13 15:39:01 dt Exp $ */
/* $NetBSD: msdosfs_vnops.c,v 1.68 1998/02/10 14:10:04 mrg Exp $ */
/*-
@ -835,8 +835,8 @@ msdosfs_fsync(ap)
*/
loop:
s = splbio();
for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
nbp = bp->b_vnbufs.le_next;
for (bp = TAILQ_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) {
nbp = TAILQ_NEXT(bp, b_vnbufs);
if ((bp->b_flags & B_BUSY))
continue;
if ((bp->b_flags & B_DELWRI) == 0)
@ -852,7 +852,7 @@ msdosfs_fsync(ap)
(void) tsleep((caddr_t)&vp->v_numoutput, PRIBIO + 1, "msdosfsn", 0);
}
#ifdef DIAGNOSTIC
if (vp->v_dirtyblkhd.lh_first) {
if (!TAILQ_EMPTY(&vp->v_dirtyblkhd)) {
vprint("msdosfs_fsync: dirty", vp);
goto loop;
}

8
sys/fs/specfs/spec_vnops.c
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)spec_vnops.c 8.14 (Berkeley) 5/21/95
* $Id: spec_vnops.c,v 1.74 1998/09/12 20:21:54 phk Exp $
* $Id: spec_vnops.c,v 1.75 1998/10/26 08:53:13 bde Exp $
*/
#include <sys/param.h>
@ -476,8 +476,8 @@ spec_fsync(ap)
*/
loop:
s = splbio();
for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
nbp = bp->b_vnbufs.le_next;
for (bp = TAILQ_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) {
nbp = TAILQ_NEXT(bp, b_vnbufs);
if ((bp->b_flags & B_BUSY))
continue;
if ((bp->b_flags & B_DELWRI) == 0)
@ -499,7 +499,7 @@ spec_fsync(ap)
(void) tsleep((caddr_t)&vp->v_numoutput, PRIBIO + 1, "spfsyn", 0);
}
#ifdef DIAGNOSTIC
if (vp->v_dirtyblkhd.lh_first) {
if (!TAILQ_EMPTY(&vp->v_dirtyblkhd)) {
vprint("spec_fsync: dirty", vp);
splx(s);
goto loop;

4
sys/gnu/ext2fs/ext2_inode.c
View File

@ -349,8 +349,8 @@ printf("ext2_truncate called %d to %d\n", VTOI(ovp)->i_number, length);
for (i = 0; i < NDADDR; i++)
if (newblks[i] != oip->i_db[i])
panic("itrunc2");
if (length == 0 &&
(ovp->v_dirtyblkhd.lh_first || ovp->v_cleanblkhd.lh_first))
if (length == 0 && (!TAILQ_EMPTY(&ovp->v_dirtyblkhd) ||
!TAILQ_EMPTY(&ovp->v_cleanblkhd)))
panic("itrunc3");
#endif /* DIAGNOSTIC */
/*

3
sys/gnu/ext2fs/ext2_vfsops.c
View File

@ -919,8 +919,7 @@ ext2_sync(mp, waitfor, cred, p)
if (vp->v_type == VNON ||
(ip->i_flag &
(IN_ACCESS | IN_CHANGE | IN_MODIFIED | IN_UPDATE)) == 0 &&
(vp->v_dirtyblkhd.lh_first == NULL ||
waitfor == MNT_LAZY)) {
(TAILQ_EMPTY(&vp->v_dirtyblkhd) || waitfor == MNT_LAZY)) {
simple_unlock(&vp->v_interlock);
continue;
}

6
sys/gnu/ext2fs/ext2_vnops.c
View File

@ -197,8 +197,8 @@ ext2_fsync(ap)
loop:
s = splbio();
for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
nbp = bp->b_vnbufs.le_next;
for (bp = TAILQ_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) {
nbp = TAILQ_NEXT(bp, b_vnbufs);
if ((bp->b_flags & B_BUSY))
continue;
if ((bp->b_flags & B_DELWRI) == 0)
@ -222,7 +222,7 @@ ext2_fsync(ap)
tsleep(&vp->v_numoutput, PRIBIO + 1, "e2fsyn", 0);
}
#if DIAGNOSTIC
if (vp->v_dirtyblkhd.lh_first) {
if (!TAILQ_EMPTY(&vp->v_dirtyblkhd)) {
vprint("ext2_fsync: dirty", vp);
goto loop;
}

4
sys/gnu/fs/ext2fs/ext2_inode.c
View File

@ -349,8 +349,8 @@ printf("ext2_truncate called %d to %d\n", VTOI(ovp)->i_number, length);
for (i = 0; i < NDADDR; i++)
if (newblks[i] != oip->i_db[i])
panic("itrunc2");
if (length == 0 &&
(ovp->v_dirtyblkhd.lh_first || ovp->v_cleanblkhd.lh_first))
if (length == 0 && (!TAILQ_EMPTY(&ovp->v_dirtyblkhd) ||
!TAILQ_EMPTY(&ovp->v_cleanblkhd)))
panic("itrunc3");
#endif /* DIAGNOSTIC */
/*

3
sys/gnu/fs/ext2fs/ext2_vfsops.c
View File

@ -919,8 +919,7 @@ ext2_sync(mp, waitfor, cred, p)
if (vp->v_type == VNON ||
(ip->i_flag &
(IN_ACCESS | IN_CHANGE | IN_MODIFIED | IN_UPDATE)) == 0 &&
(vp->v_dirtyblkhd.lh_first == NULL ||
waitfor == MNT_LAZY)) {
(TAILQ_EMPTY(&vp->v_dirtyblkhd) || waitfor == MNT_LAZY)) {
simple_unlock(&vp->v_interlock);
continue;
}

6
sys/gnu/fs/ext2fs/ext2_vnops.c
View File

@ -197,8 +197,8 @@ ext2_fsync(ap)
loop:
s = splbio();
for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
nbp = bp->b_vnbufs.le_next;
for (bp = TAILQ_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) {
nbp = TAILQ_NEXT(bp, b_vnbufs);
if ((bp->b_flags & B_BUSY))
continue;
if ((bp->b_flags & B_DELWRI) == 0)
@ -222,7 +222,7 @@ ext2_fsync(ap)
tsleep(&vp->v_numoutput, PRIBIO + 1, "e2fsyn", 0);
}
#if DIAGNOSTIC
if (vp->v_dirtyblkhd.lh_first) {
if (!TAILQ_EMPTY(&vp->v_dirtyblkhd)) {
vprint("ext2_fsync: dirty", vp);
goto loop;
}

6
sys/kern/vfs_bio.c
View File

@ -11,7 +11,7 @@
* 2. Absolutely no warranty of function or purpose is made by the author
* John S. Dyson.
*
* $Id: vfs_bio.c,v 1.182 1998/10/29 11:04:22 dg Exp $
* $Id: vfs_bio.c,v 1.183 1998/10/30 14:53:54 dg Exp $
*/
/*
@ -179,7 +179,7 @@ bufinit()
bp->b_rcred = NOCRED;
bp->b_wcred = NOCRED;
bp->b_qindex = QUEUE_EMPTY;
bp->b_vnbufs.le_next = NOLIST;
bp->b_xflags = 0;
LIST_INIT(&bp->b_dep);
TAILQ_INSERT_TAIL(&bufqueues[QUEUE_EMPTY], bp, b_freelist);
LIST_INSERT_HEAD(&invalhash, bp, b_hash);
@ -421,7 +421,7 @@ bwrite(struct buf * bp)
return (0);
}
__inline void
void
vfs_bio_need_satisfy(void) {
++numfreebuffers;
if (!needsbuffer)

4
sys/miscfs/devfs/devfs_vfsops.c
View File

@ -23,7 +23,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: devfs_vfsops.c,v 1.32 1998/09/07 13:17:00 bde Exp $
* $Id: devfs_vfsops.c,v 1.33 1998/09/08 16:59:37 bde Exp $
*
*/
@ -282,7 +282,7 @@ DBPRINT(("sync "));
nvp = vp->v_mntvnodes.le_next;
if (VOP_ISLOCKED(vp))
continue;
if ( vp->v_dirtyblkhd.lh_first == NULL)
if (TAILQ_EMPTY(&vp->v_dirtyblkhd))
continue;
if (vp->v_type == VBLK) {
if (vget(vp, LK_EXCLUSIVE, p))

8
sys/miscfs/devfs/devfs_vnops.c
View File

@ -23,7 +23,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: devfs_vnops.c,v 1.60 1998/09/04 08:06:56 dfr Exp $
* $Id: devfs_vnops.c,v 1.61 1998/09/30 20:33:46 sos Exp $
*/
@ -1655,8 +1655,8 @@ devfs_fsync(struct vop_fsync_args *ap)
*/
loop:
s = splbio();
for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
nbp = bp->b_vnbufs.le_next;
for (bp = TAILQ_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) {
nbp = TAILQ_NEXT(bp, b_vnbufs);
if ((bp->b_flags & B_BUSY))
continue;
if ((bp->b_flags & B_DELWRI) == 0)
@ -1678,7 +1678,7 @@ devfs_fsync(struct vop_fsync_args *ap)
(void) tsleep((caddr_t)&vp->v_numoutput, PRIBIO + 1, "spfsyn", 0);
}
#ifdef DIAGNOSTIC
if (vp->v_dirtyblkhd.lh_first) {
if (!TAILQ_EMPTY(&vp->v_dirtyblkhd)) {
vprint("devfs_fsync: dirty", vp);
splx(s);
goto loop;

8
sys/miscfs/specfs/spec_vnops.c
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)spec_vnops.c 8.14 (Berkeley) 5/21/95
* $Id: spec_vnops.c,v 1.74 1998/09/12 20:21:54 phk Exp $
* $Id: spec_vnops.c,v 1.75 1998/10/26 08:53:13 bde Exp $
*/
#include <sys/param.h>
@ -476,8 +476,8 @@ spec_fsync(ap)
*/
loop:
s = splbio();
for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
nbp = bp->b_vnbufs.le_next;
for (bp = TAILQ_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) {
nbp = TAILQ_NEXT(bp, b_vnbufs);
if ((bp->b_flags & B_BUSY))
continue;
if ((bp->b_flags & B_DELWRI) == 0)
@ -499,7 +499,7 @@ spec_fsync(ap)
(void) tsleep((caddr_t)&vp->v_numoutput, PRIBIO + 1, "spfsyn", 0);
}
#ifdef DIAGNOSTIC
if (vp->v_dirtyblkhd.lh_first) {
if (!TAILQ_EMPTY(&vp->v_dirtyblkhd)) {
vprint("spec_fsync: dirty", vp);
splx(s);
goto loop;

9
sys/msdosfs/msdosfs_vfsops.c
View File

@ -1,4 +1,4 @@
/* $Id: msdosfs_vfsops.c,v 1.36 1998/09/07 13:17:02 bde Exp $ */
/* $Id: msdosfs_vfsops.c,v 1.37 1998/10/25 19:26:18 bde Exp $ */
/* $NetBSD: msdosfs_vfsops.c,v 1.51 1997/11/17 15:36:58 ws Exp $ */
/*-
@ -797,8 +797,8 @@ msdosfs_unmount(mp, mntflags, p)
vp->v_freelist.tqe_next, vp->v_freelist.tqe_prev,
vp->v_mount);
printf("cleanblkhd %p, dirtyblkhd %p, numoutput %ld, type %d\n",
vp->v_cleanblkhd.lh_first,
vp->v_dirtyblkhd.lh_first,
TAILQ_FIRST(&vp->v_cleanblkhd),
TAILQ_FIRST(&vp->v_dirtyblkhd),
vp->v_numoutput, vp->v_type);
printf("union %p, tag %d, data[0] %08x, data[1] %08x\n",
vp->v_socket, vp->v_tag,
@ -913,8 +913,7 @@ msdosfs_sync(mp, waitfor, cred, p)
if (vp->v_type == VNON ||
(dep->de_flag &
(DE_ACCESS | DE_CREATE | DE_UPDATE | DE_MODIFIED)) == 0 &&
(vp->v_dirtyblkhd.lh_first == NULL ||
waitfor == MNT_LAZY)) {
(TAILQ_EMPTY(&vp->v_dirtyblkhd) || waitfor == MNT_LAZY)) {
simple_unlock(&vp->v_interlock);
continue;
}

8
sys/msdosfs/msdosfs_vnops.c
View File

@ -1,4 +1,4 @@
/* $Id: msdosfs_vnops.c,v 1.75 1998/07/11 07:45:50 bde Exp $ */
/* $Id: msdosfs_vnops.c,v 1.76 1998/09/13 15:39:01 dt Exp $ */
/* $NetBSD: msdosfs_vnops.c,v 1.68 1998/02/10 14:10:04 mrg Exp $ */
/*-
@ -835,8 +835,8 @@ msdosfs_fsync(ap)
*/
loop:
s = splbio();
for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
nbp = bp->b_vnbufs.le_next;
for (bp = TAILQ_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) {
nbp = TAILQ_NEXT(bp, b_vnbufs);
if ((bp->b_flags & B_BUSY))
continue;
if ((bp->b_flags & B_DELWRI) == 0)
@ -852,7 +852,7 @@ msdosfs_fsync(ap)
(void) tsleep((caddr_t)&vp->v_numoutput, PRIBIO + 1, "msdosfsn", 0);
}
#ifdef DIAGNOSTIC
if (vp->v_dirtyblkhd.lh_first) {
if (!TAILQ_EMPTY(&vp->v_dirtyblkhd)) {
vprint("msdosfs_fsync: dirty", vp);
goto loop;
}

6
sys/nfs/nfs_common.c
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* @(#)nfs_subs.c 8.8 (Berkeley) 5/22/95
* $Id: nfs_subs.c,v 1.64 1998/09/05 15:17:33 bde Exp $
* $Id: nfs_subs.c,v 1.65 1998/09/07 05:42:15 bde Exp $
*/
/*
@ -2129,8 +2129,8 @@ nfs_clearcommit(mp)
if (vp->v_mount != mp) /* Paranoia */
goto loop;
nvp = vp->v_mntvnodes.le_next;
for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
nbp = bp->b_vnbufs.le_next;
for (bp = TAILQ_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) {
nbp = TAILQ_NEXT(bp, b_vnbufs);
if ((bp->b_flags & (B_BUSY | B_DELWRI | B_NEEDCOMMIT))
== (B_DELWRI | B_NEEDCOMMIT))
bp->b_flags &= ~B_NEEDCOMMIT;

5
sys/nfs/nfs_nqlease.c
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* @(#)nfs_nqlease.c 8.9 (Berkeley) 5/20/95
* $Id: nfs_nqlease.c,v 1.37 1998/05/31 20:08:52 peter Exp $
* $Id: nfs_nqlease.c,v 1.38 1998/09/05 15:17:33 bde Exp $
*/
@ -1117,7 +1117,8 @@ nqnfs_clientd(nmp, cred, ncd, flag, argp, p)
}
} else if ((np->n_expiry - NQ_RENEWAL) < time_second) {
if ((np->n_flag & (NQNFSWRITE | NQNFSNONCACHE))
== NQNFSWRITE && vp->v_dirtyblkhd.lh_first &&
== NQNFSWRITE &&
!TAILQ_EMPTY(&vp->v_dirtyblkhd) &&
vget(vp, LK_EXCLUSIVE, p) == 0) {
nmp->nm_inprog = vp;
if (vpid == vp->v_id &&

6
sys/nfs/nfs_subs.c
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* @(#)nfs_subs.c 8.8 (Berkeley) 5/22/95
* $Id: nfs_subs.c,v 1.64 1998/09/05 15:17:33 bde Exp $
* $Id: nfs_subs.c,v 1.65 1998/09/07 05:42:15 bde Exp $
*/
/*
@ -2129,8 +2129,8 @@ nfs_clearcommit(mp)
if (vp->v_mount != mp) /* Paranoia */
goto loop;
nvp = vp->v_mntvnodes.le_next;
for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
nbp = bp->b_vnbufs.le_next;
for (bp = TAILQ_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) {
nbp = TAILQ_NEXT(bp, b_vnbufs);
if ((bp->b_flags & (B_BUSY | B_DELWRI | B_NEEDCOMMIT))
== (B_DELWRI | B_NEEDCOMMIT))
bp->b_flags &= ~B_NEEDCOMMIT;

4
sys/nfs/nfs_vfsops.c
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* @(#)nfs_vfsops.c 8.12 (Berkeley) 5/20/95
* $Id: nfs_vfsops.c,v 1.76 1998/09/07 13:17:05 bde Exp $
* $Id: nfs_vfsops.c,v 1.77 1998/09/29 23:15:53 mckusick Exp $
*/
#include <sys/param.h>
@ -1066,7 +1066,7 @@ nfs_sync(mp, waitfor, cred, p)
*/
if (vp->v_mount != mp)
goto loop;
if (VOP_ISLOCKED(vp) || vp->v_dirtyblkhd.lh_first == NULL ||
if (VOP_ISLOCKED(vp) || TAILQ_EMPTY(&vp->v_dirtyblkhd) ||
waitfor == MNT_LAZY)
continue;
if (vget(vp, LK_EXCLUSIVE, p))

16
sys/nfs/nfs_vnops.c
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* @(#)nfs_vnops.c 8.16 (Berkeley) 5/27/95
* $Id: nfs_vnops.c,v 1.108 1998/09/29 23:29:48 mckusick Exp $
* $Id: nfs_vnops.c,v 1.109 1998/09/29 23:39:37 mckusick Exp $
*/
@ -2755,8 +2755,8 @@ nfs_flush(vp, cred, waitfor, p, commit)
* Count up how many buffers waiting for a commit.
*/
bveccount = 0;
for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
nbp = bp->b_vnbufs.le_next;
for (bp = TAILQ_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) {
nbp = TAILQ_NEXT(bp, b_vnbufs);
if ((bp->b_flags & (B_BUSY | B_DELWRI | B_NEEDCOMMIT))
== (B_DELWRI | B_NEEDCOMMIT))
bveccount++;
@ -2782,8 +2782,8 @@ nfs_flush(vp, cred, waitfor, p, commit)
bvec = bvec_on_stack;
bvecsize = NFS_COMMITBVECSIZ;
}
for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
nbp = bp->b_vnbufs.le_next;
for (bp = TAILQ_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) {
nbp = TAILQ_NEXT(bp, b_vnbufs);
if (bvecpos >= bvecsize)
break;
if ((bp->b_flags & (B_BUSY | B_DELWRI | B_NEEDCOMMIT))
@ -2880,8 +2880,8 @@ nfs_flush(vp, cred, waitfor, p, commit)
*/
loop:
s = splbio();
for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
nbp = bp->b_vnbufs.le_next;
for (bp = TAILQ_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) {
nbp = TAILQ_NEXT(bp, b_vnbufs);
if (bp->b_flags & B_BUSY) {
if (waitfor != MNT_WAIT || passone)
continue;
@ -2935,7 +2935,7 @@ nfs_flush(vp, cred, waitfor, p, commit)
}
}
}
if (vp->v_dirtyblkhd.lh_first && commit) {
if (!TAILQ_EMPTY(&vp->v_dirtyblkhd) && commit) {
goto loop;
}
}

6
sys/nfsclient/nfs_subs.c
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* @(#)nfs_subs.c 8.8 (Berkeley) 5/22/95
* $Id: nfs_subs.c,v 1.64 1998/09/05 15:17:33 bde Exp $
* $Id: nfs_subs.c,v 1.65 1998/09/07 05:42:15 bde Exp $
*/
/*
@ -2129,8 +2129,8 @@ nfs_clearcommit(mp)
if (vp->v_mount != mp) /* Paranoia */
goto loop;
nvp = vp->v_mntvnodes.le_next;
for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
nbp = bp->b_vnbufs.le_next;
for (bp = TAILQ_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) {
nbp = TAILQ_NEXT(bp, b_vnbufs);
if ((bp->b_flags & (B_BUSY | B_DELWRI | B_NEEDCOMMIT))
== (B_DELWRI | B_NEEDCOMMIT))
bp->b_flags &= ~B_NEEDCOMMIT;

4
sys/nfsclient/nfs_vfsops.c
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* @(#)nfs_vfsops.c 8.12 (Berkeley) 5/20/95
* $Id: nfs_vfsops.c,v 1.76 1998/09/07 13:17:05 bde Exp $
* $Id: nfs_vfsops.c,v 1.77 1998/09/29 23:15:53 mckusick Exp $
*/
#include <sys/param.h>
@ -1066,7 +1066,7 @@ nfs_sync(mp, waitfor, cred, p)
*/
if (vp->v_mount != mp)
goto loop;
if (VOP_ISLOCKED(vp) || vp->v_dirtyblkhd.lh_first == NULL ||
if (VOP_ISLOCKED(vp) || TAILQ_EMPTY(&vp->v_dirtyblkhd) ||
waitfor == MNT_LAZY)
continue;
if (vget(vp, LK_EXCLUSIVE, p))

16
sys/nfsclient/nfs_vnops.c
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* @(#)nfs_vnops.c 8.16 (Berkeley) 5/27/95
* $Id: nfs_vnops.c,v 1.108 1998/09/29 23:29:48 mckusick Exp $
* $Id: nfs_vnops.c,v 1.109 1998/09/29 23:39:37 mckusick Exp $
*/
@ -2755,8 +2755,8 @@ nfs_flush(vp, cred, waitfor, p, commit)
* Count up how many buffers waiting for a commit.
*/
bveccount = 0;
for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
nbp = bp->b_vnbufs.le_next;
for (bp = TAILQ_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) {
nbp = TAILQ_NEXT(bp, b_vnbufs);
if ((bp->b_flags & (B_BUSY | B_DELWRI | B_NEEDCOMMIT))
== (B_DELWRI | B_NEEDCOMMIT))
bveccount++;
@ -2782,8 +2782,8 @@ nfs_flush(vp, cred, waitfor, p, commit)
bvec = bvec_on_stack;
bvecsize = NFS_COMMITBVECSIZ;
}
for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
nbp = bp->b_vnbufs.le_next;
for (bp = TAILQ_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) {
nbp = TAILQ_NEXT(bp, b_vnbufs);
if (bvecpos >= bvecsize)
break;
if ((bp->b_flags & (B_BUSY | B_DELWRI | B_NEEDCOMMIT))
@ -2880,8 +2880,8 @@ nfs_flush(vp, cred, waitfor, p, commit)
*/
loop:
s = splbio();
for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
nbp = bp->b_vnbufs.le_next;
for (bp = TAILQ_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) {
nbp = TAILQ_NEXT(bp, b_vnbufs);
if (bp->b_flags & B_BUSY) {
if (waitfor != MNT_WAIT || passone)
continue;
@ -2935,7 +2935,7 @@ nfs_flush(vp, cred, waitfor, p, commit)
}
}
}
if (vp->v_dirtyblkhd.lh_first && commit) {
if (!TAILQ_EMPTY(&vp->v_dirtyblkhd) && commit) {
goto loop;
}
}

6
sys/nfsserver/nfs_srvsubs.c
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* @(#)nfs_subs.c 8.8 (Berkeley) 5/22/95
* $Id: nfs_subs.c,v 1.64 1998/09/05 15:17:33 bde Exp $
* $Id: nfs_subs.c,v 1.65 1998/09/07 05:42:15 bde Exp $
*/
/*
@ -2129,8 +2129,8 @@ nfs_clearcommit(mp)
if (vp->v_mount != mp) /* Paranoia */
goto loop;
nvp = vp->v_mntvnodes.le_next;
for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
nbp = bp->b_vnbufs.le_next;
for (bp = TAILQ_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) {
nbp = TAILQ_NEXT(bp, b_vnbufs);
if ((bp->b_flags & (B_BUSY | B_DELWRI | B_NEEDCOMMIT))
== (B_DELWRI | B_NEEDCOMMIT))
bp->b_flags &= ~B_NEEDCOMMIT;

5
sys/ufs/ffs/ffs_inode.c
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)ffs_inode.c 8.13 (Berkeley) 4/21/95
* $Id: ffs_inode.c,v 1.47 1998/09/15 14:45:28 luoqi Exp $
* $Id: ffs_inode.c,v 1.48 1998/10/25 17:44:57 phk Exp $
*/
#include "opt_quota.h"
@ -387,7 +387,8 @@ ffs_truncate(vp, length, flags, cred, p)
if (newblks[i] != oip->i_db[i])
panic("ffs_truncate2");
if (length == 0 &&
(ovp->v_dirtyblkhd.lh_first || ovp->v_cleanblkhd.lh_first))
(!TAILQ_EMPTY(&ovp->v_dirtyblkhd) ||
!TAILQ_EMPTY(&ovp->v_cleanblkhd)))
panic("ffs_truncate3");
#endif /* DIAGNOSTIC */
/*

4
sys/ufs/ffs/ffs_vfsops.c
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)ffs_vfsops.c 8.31 (Berkeley) 5/20/95
* $Id: ffs_vfsops.c,v 1.90 1998/10/25 19:02:48 bde Exp $
* $Id: ffs_vfsops.c,v 1.91 1998/10/27 11:47:08 bde Exp $
*/
#include "opt_quota.h"
@ -972,7 +972,7 @@ ffs_sync(mp, waitfor, cred, p)
ip = VTOI(vp);
if ((vp->v_type == VNON) || ((ip->i_flag &
(IN_ACCESS | IN_CHANGE | IN_MODIFIED | IN_UPDATE)) == 0) &&
((vp->v_dirtyblkhd.lh_first == NULL) || (waitfor == MNT_LAZY))) {
(TAILQ_EMPTY(&vp->v_dirtyblkhd) || (waitfor == MNT_LAZY))) {
simple_unlock(&vp->v_interlock);
continue;
}

8
sys/ufs/ffs/ffs_vnops.c
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)ffs_vnops.c 8.15 (Berkeley) 5/14/95
* $Id: ffs_vnops.c,v 1.51 1998/09/07 11:50:19 bde Exp $
* $Id: ffs_vnops.c,v 1.52 1998/09/24 15:02:46 luoqi Exp $
*/
#include <sys/param.h>
@ -146,8 +146,8 @@ ffs_fsync(ap)
loop:
s = splbio();
loop2:
for (bp = vp->v_dirtyblkhd.lh_first; bp; bp = nbp) {
nbp = bp->b_vnbufs.le_next;
for (bp = TAILQ_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) {
nbp = TAILQ_NEXT(bp, b_vnbufs);
/*
* First time through on a synchronous call,
* or if it's already scheduled, skip to the next
@ -228,7 +228,7 @@ ffs_fsync(ap)
return (error);
s = splbio();
if (vp->v_dirtyblkhd.lh_first) {
if (!TAILQ_EMPTY(&vp->v_dirtyblkhd)) {
/*
* Block devices associated with filesystems may
* have new I/O requests posted for them even if

4
sys/vm/swap_pager.c
View File

@ -39,7 +39,7 @@
* from: Utah $Hdr: swap_pager.c 1.4 91/04/30$
*
* @(#)swap_pager.c 8.9 (Berkeley) 3/21/94
* $Id: swap_pager.c,v 1.101 1998/09/04 08:06:56 dfr Exp $
* $Id: swap_pager.c,v 1.102 1998/10/13 08:24:42 dg Exp $
*/
/*
@ -1382,7 +1382,7 @@ swap_pager_putpages(object, m, count, sync, rtvals)
bp = spc->spc_bp;
bzero(bp, sizeof *bp);
bp->b_spc = spc;
bp->b_vnbufs.le_next = NOLIST;
bp->b_xflags = 0;
bp->b_data = (caddr_t) kva;
} else {
spc = NULL;

6
sys/vm/vm_pager.c
View File

@ -61,7 +61,7 @@
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*
* $Id: vm_pager.c,v 1.37 1998/03/16 01:56:01 dyson Exp $
* $Id: vm_pager.c,v 1.38 1998/10/13 08:24:44 dg Exp $
*/
/*
@ -213,7 +213,7 @@ vm_pager_bufferinit()
for (i = 0; i < nswbuf; i++, bp++) {
TAILQ_INSERT_HEAD(&bswlist, bp, b_freelist);
bp->b_rcred = bp->b_wcred = NOCRED;
bp->b_vnbufs.le_next = NOLIST;
bp->b_xflags = 0;
}
swapbkva = kmem_alloc_pageable(pager_map, nswbuf * MAXPHYS);
@ -336,7 +336,7 @@ initpbuf(struct buf *bp) {
bp->b_data = (caddr_t) (MAXPHYS * (bp - swbuf)) + swapbkva;
bp->b_kvabase = bp->b_data;
bp->b_kvasize = MAXPHYS;
bp->b_vnbufs.le_next = NOLIST;
bp->b_xflags = 0;
}
/*