Revert previous. No performance gain worth the potential headaches
with buffers in these contexts.
This commit is contained in:
parent
51eccb6fe4
commit
2210aab771
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@ -1,4 +1,4 @@
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/* $NetBSD: ts.c,v 1.32 2019/12/08 19:23:51 ad Exp $ */
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/* $NetBSD: ts.c,v 1.33 2019/12/08 19:52:37 ad Exp $ */
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/*-
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/*-
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* Copyright (c) 1991 The Regents of the University of California.
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* Copyright (c) 1991 The Regents of the University of California.
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@ -66,7 +66,7 @@
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*/
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*/
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#include <sys/cdefs.h>
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: ts.c,v 1.32 2019/12/08 19:23:51 ad Exp $");
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__KERNEL_RCSID(0, "$NetBSD: ts.c,v 1.33 2019/12/08 19:52:37 ad Exp $");
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#undef TSDEBUG
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#undef TSDEBUG
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@ -390,7 +390,7 @@ tscommand(struct ts_softc *sc, dev_t dev, int cmd, int count)
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return;
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return;
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biowait(bp);
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biowait(bp);
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mutex_enter(&bufcache_lock);
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mutex_enter(&bufcache_lock);
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cv_signal(&bp->b_busy);
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cv_broadcast(&bp->b_busy);
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bp->b_cflags = 0;
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bp->b_cflags = 0;
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mutex_exit(&bufcache_lock);
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mutex_exit(&bufcache_lock);
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}
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: kern_physio.c,v 1.96 2019/12/08 19:23:51 ad Exp $ */
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/* $NetBSD: kern_physio.c,v 1.97 2019/12/08 19:52:37 ad Exp $ */
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/*-
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/*-
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* Copyright (c) 1982, 1986, 1990, 1993
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* Copyright (c) 1982, 1986, 1990, 1993
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@ -71,7 +71,7 @@
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*/
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*/
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#include <sys/cdefs.h>
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: kern_physio.c,v 1.96 2019/12/08 19:23:51 ad Exp $");
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__KERNEL_RCSID(0, "$NetBSD: kern_physio.c,v 1.97 2019/12/08 19:52:37 ad Exp $");
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#include <sys/param.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/systm.h>
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@ -432,7 +432,7 @@ done_locked:
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obp->b_cflags &= ~(BC_BUSY | BC_WANTED);
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obp->b_cflags &= ~(BC_BUSY | BC_WANTED);
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obp->b_flags &= ~(B_PHYS | B_RAW);
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obp->b_flags &= ~(B_PHYS | B_RAW);
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obp->b_iodone = NULL;
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obp->b_iodone = NULL;
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cv_signal(&obp->b_busy);
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cv_broadcast(&obp->b_busy);
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mutex_exit(&bufcache_lock);
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mutex_exit(&bufcache_lock);
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}
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: lfs_segment.c,v 1.279 2019/12/08 19:24:26 ad Exp $ */
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/* $NetBSD: lfs_segment.c,v 1.280 2019/12/08 19:52:37 ad Exp $ */
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/*-
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/*-
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* Copyright (c) 1999, 2000, 2001, 2002, 2003 The NetBSD Foundation, Inc.
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* Copyright (c) 1999, 2000, 2001, 2002, 2003 The NetBSD Foundation, Inc.
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@ -60,7 +60,7 @@
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*/
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*/
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#include <sys/cdefs.h>
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: lfs_segment.c,v 1.279 2019/12/08 19:24:26 ad Exp $");
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__KERNEL_RCSID(0, "$NetBSD: lfs_segment.c,v 1.280 2019/12/08 19:52:37 ad Exp $");
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#ifdef DEBUG
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#ifdef DEBUG
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# define vndebug(vp, str) do { \
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# define vndebug(vp, str) do { \
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@ -2197,7 +2197,7 @@ lfs_writeseg(struct lfs *fs, struct segment *sp)
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if (unbusybp != NULL) {
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if (unbusybp != NULL) {
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unbusybp->b_cflags &= ~BC_BUSY;
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unbusybp->b_cflags &= ~BC_BUSY;
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if (unbusybp->b_cflags & BC_WANTED)
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if (unbusybp->b_cflags & BC_WANTED)
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cv_signal(&bp->b_busy);
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cv_broadcast(&bp->b_busy);
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}
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}
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}
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}
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mutex_exit(&bufcache_lock);
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mutex_exit(&bufcache_lock);
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