Several minor bug fixes:
* Correct (weak) segment lock assertions in lfs_fragextend and lfs_putpages. * Keep IN_MODIFIED set if we run out of avail in lfs_putpages. * Don't try to (re)write buffers on a VBLK vnode; fixes a panic I found while running with an LFS root. * Raise priority of LFCNSEGWAIT to PVFS; PUSER is way too low for something the pagedaemon is relying on.
This commit is contained in:
perseant
parent
d28248e84e
commit
7c22dcc8a6
@ -1,4 +1,4 @@
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/* $NetBSD: lfs_balloc.c,v 1.59 2005/12/24 20:45:10 perry Exp $ */
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/* $NetBSD: lfs_balloc.c,v 1.60 2006/04/07 23:59:28 perseant Exp $ */
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/*-
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* Copyright (c) 1999, 2000, 2001, 2002, 2003 The NetBSD Foundation, Inc.
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@ -67,7 +67,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: lfs_balloc.c,v 1.59 2005/12/24 20:45:10 perry Exp $");
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__KERNEL_RCSID(0, "$NetBSD: lfs_balloc.c,v 1.60 2006/04/07 23:59:28 perseant Exp $");
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#if defined(_KERNEL_OPT)
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#include "opt_quota.h"
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@ -389,7 +389,7 @@ lfs_fragextend(struct vnode *vp, int osize, int nsize, daddr_t lbn, struct buf *
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bb = (long)fragstofsb(fs, numfrags(fs, nsize - osize));
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error = 0;
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ASSERT_DUNNO_SEGLOCK(fs);
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ASSERT_NO_SEGLOCK(fs);
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/*
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* Get the seglock so we don't enlarge blocks while a segment
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@ -1,4 +1,4 @@
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/* $NetBSD: lfs_segment.c,v 1.171 2006/03/24 20:05:32 perseant Exp $ */
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/* $NetBSD: lfs_segment.c,v 1.172 2006/04/07 23:59:28 perseant Exp $ */
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/*-
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* Copyright (c) 1999, 2000, 2001, 2002, 2003 The NetBSD Foundation, Inc.
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@ -67,7 +67,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: lfs_segment.c,v 1.171 2006/03/24 20:05:32 perseant Exp $");
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__KERNEL_RCSID(0, "$NetBSD: lfs_segment.c,v 1.172 2006/04/07 23:59:28 perseant Exp $");
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#ifdef DEBUG
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# define vndebug(vp, str) do { \
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@ -516,6 +516,10 @@ lfs_writevnodes(struct lfs *fs, struct mount *mp, struct segment *sp, int op)
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* had a chance to run.
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*/
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lfs_writeseg(fs, sp);
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if (!VPISEMPTY(vp) &&
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!WRITEINPROG(vp) &&
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!(ip->i_flag & IN_ALLMOD))
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LFS_SET_UINO(ip, IN_MODIFIED);
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break;
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}
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error = 0; /* XXX not quite right */
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@ -1162,6 +1166,8 @@ lfs_gather(struct lfs *fs, struct segment *sp, struct vnode *vp,
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int s, count = 0;
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ASSERT_SEGLOCK(fs);
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if (vp->v_type == VBLK)
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return 0;
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KASSERT(sp->vp == NULL);
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sp->vp = vp;
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s = splbio();
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@ -1198,17 +1204,6 @@ loop:
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#endif
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continue;
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}
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if (vp->v_type == VBLK) {
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/* For block devices, just write the blocks. */
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/* XXX Do we even need to do this? */
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/*
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* Get the block before bwrite,
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* so we don't corrupt the free list
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*/
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bp->b_flags |= B_BUSY;
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bremfree(bp);
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bwrite(bp);
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} else {
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#ifdef DIAGNOSTIC
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# ifdef LFS_USE_B_INVAL
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if ((bp->b_flags & (B_CALL|B_INVAL)) == B_INVAL) {
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@ -1231,7 +1226,6 @@ loop:
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if (lfs_gatherblock(sp, bp, &s)) {
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goto loop;
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}
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}
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count++;
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}
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splx(s);
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@ -1,4 +1,4 @@
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/* $NetBSD: lfs_syscalls.c,v 1.110 2006/03/19 04:10:02 rtr Exp $ */
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/* $NetBSD: lfs_syscalls.c,v 1.111 2006/04/07 23:59:28 perseant Exp $ */
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/*-
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* Copyright (c) 1999, 2000, 2001, 2002, 2003 The NetBSD Foundation, Inc.
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@ -67,7 +67,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: lfs_syscalls.c,v 1.110 2006/03/19 04:10:02 rtr Exp $");
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__KERNEL_RCSID(0, "$NetBSD: lfs_syscalls.c,v 1.111 2006/04/07 23:59:28 perseant Exp $");
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#ifndef LFS
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# define LFS /* for prototypes in syscallargs.h */
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@ -933,9 +933,9 @@ lfs_do_segclean(struct lfs *fs, unsigned long segnum)
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cip->bfree = fs->lfs_bfree;
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simple_lock(&fs->lfs_interlock);
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cip->avail = fs->lfs_avail - fs->lfs_ravail - fs->lfs_favail;
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wakeup(&fs->lfs_avail);
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simple_unlock(&fs->lfs_interlock);
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(void) LFS_BWRITE_LOG(bp);
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wakeup(&fs->lfs_avail);
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if (lfs_dostats)
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++lfs_stats.segs_reclaimed;
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@ -968,7 +968,7 @@ lfs_segwait(fsid_t *fsidp, struct timeval *tv)
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timeradd(tv, &time, tv);
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timeout = hzto(tv);
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splx(s);
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error = tsleep(addr, PCATCH | PUSER, "segment", timeout);
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error = tsleep(addr, PCATCH | PVFS, "segment", timeout);
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return (error == ERESTART ? EINTR : 0);
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: lfs_vnops.c,v 1.162 2006/04/01 00:13:01 perseant Exp $ */
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/* $NetBSD: lfs_vnops.c,v 1.163 2006/04/07 23:59:28 perseant Exp $ */
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/*-
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* Copyright (c) 1999, 2000, 2001, 2002, 2003 The NetBSD Foundation, Inc.
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@ -67,7 +67,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: lfs_vnops.c,v 1.162 2006/04/01 00:13:01 perseant Exp $");
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__KERNEL_RCSID(0, "$NetBSD: lfs_vnops.c,v 1.163 2006/04/07 23:59:28 perseant Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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@ -1133,7 +1133,7 @@ lfs_flush_dirops(struct lfs *fs)
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struct segment *sp;
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int needunlock;
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ASSERT_NO_SEGLOCK(fs);
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ASSERT_MAYBE_SEGLOCK(fs);
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if (fs->lfs_ronly)
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return;
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