Date: Thu, 10 Oct 2002 12:48:20 -0700 (PDT) From: Matt Dillon <dillon@FreeBSD.org> To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/ufs/ffs ffs_balloc.c src/sys/ufs/ufs ufs_readwrite.c src/sys/sys buf.h Message-ID: <200210101948.g9AJmKrq047058@freefall.freebsd.org>
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dillon 2002/10/10 12:48:20 PDT
Modified files: (Branch: RELENG_4)
sys/ufs/ffs ffs_balloc.c
sys/ufs/ufs ufs_readwrite.c
sys/sys buf.h
Log:
Pass the sequential heuristic in the flags passed to the UFS balloc code,
allowing us to reduce the number of I/O's necessary in a read-before write
case.
This code will be forward ported to -current.
Submitted by: tegge (I think)
Revision Changes Path
1.88.2.8 +4 -2 src/sys/sys/buf.h
1.26.2.1 +16 -2 src/sys/ufs/ffs/ffs_balloc.c
1.65.2.12 +2 -2 src/sys/ufs/ufs/ufs_readwrite.c
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