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diff --git a/share/doc/smm/05.fastfs/0.t b/share/doc/smm/05.fastfs/0.t new file mode 100644 index 00000000000..9cc759b87f4 --- /dev/null +++ b/share/doc/smm/05.fastfs/0.t @@ -0,0 +1,159 @@ +.\" Copyright (c) 1986, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)0.t 8.1 (Berkeley) 6/8/93 +.\" +.EQ +delim $$ +.EN +.if n .ND +.TL +A Fast File System for UNIX* +.EH 'SMM:05-%''A Fast File System for \s-2UNIX\s+2' +.OH 'A Fast File System for \s-2UNIX\s+2''SMM:05-%' +.AU +Marshall Kirk McKusick, William N. Joy\(dg, +Samuel J. Leffler\(dd, Robert S. Fabry +.AI +Computer Systems Research Group +Computer Science Division +Department of Electrical Engineering and Computer Science +University of California, Berkeley +Berkeley, CA 94720 +.AB +.FS +* UNIX is a trademark of Bell Laboratories. +.FE +.FS +\(dg William N. Joy is currently employed by: +Sun Microsystems, Inc, 2550 Garcia Avenue, Mountain View, CA 94043 +.FE +.FS +\(dd Samuel J. Leffler is currently employed by: +Lucasfilm Ltd., PO Box 2009, San Rafael, CA 94912 +.FE +.FS +This work was done under grants from +the National Science Foundation under grant MCS80-05144, +and the Defense Advance Research Projects Agency (DoD) under +ARPA Order No. 4031 monitored by Naval Electronic System Command under +Contract No. N00039-82-C-0235. +.FE +A reimplementation of the UNIX file system is described. +The reimplementation provides substantially higher throughput +rates by using more flexible allocation policies +that allow better locality of reference and can +be adapted to a wide range of peripheral and processor characteristics. +The new file system clusters data that is sequentially accessed +and provides two block sizes to allow fast access to large files +while not wasting large amounts of space for small files. +File access rates of up to ten times faster than the traditional +UNIX file system are experienced. +Long needed enhancements to the programmers' +interface are discussed. +These include a mechanism to place advisory locks on files, +extensions of the name space across file systems, +the ability to use long file names, +and provisions for administrative control of resource usage. +.sp +.LP +Revised February 18, 1984 +.AE +.LP +.sp 2 +CR Categories and Subject Descriptors: +D.4.3 +.B "[Operating Systems]": +File Systems Management \- +.I "file organization, directory structures, access methods"; +D.4.2 +.B "[Operating Systems]": +Storage Management \- +.I "allocation/deallocation strategies, secondary storage devices"; +D.4.8 +.B "[Operating Systems]": +Performance \- +.I "measurements, operational analysis"; +H.3.2 +.B "[Information Systems]": +Information Storage \- +.I "file organization" +.sp +Additional Keywords and Phrases: +UNIX, +file system organization, +file system performance, +file system design, +application program interface. +.sp +General Terms: +file system, +measurement, +performance. +.bp +.ce +.B "TABLE OF CONTENTS" +.LP +.sp 1 +.nf +.B "1. Introduction" +.LP +.sp .5v +.nf +.B "2. Old file system +.LP +.sp .5v +.nf +.B "3. New file system organization +3.1. Optimizing storage utilization +3.2. File system parameterization +3.3. Layout policies +.LP +.sp .5v +.nf +.B "4. Performance +.LP +.sp .5v +.nf +.B "5. File system functional enhancements +5.1. Long file names +5.2. File locking +5.3. Symbolic links +5.4. Rename +5.5. Quotas +.LP +.sp .5v +.nf +.B Acknowledgements +.LP +.sp .5v +.nf +.B References |