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Annotation of 43BSDReno/share/doc/smm/14.fastfs/0.t, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1986 The Regents of the University of California.
        !             2: .\" All rights reserved.
        !             3: .\"
        !             4: .\" Redistribution and use in source and binary forms are permitted
        !             5: .\" provided that the above copyright notice and this paragraph are
        !             6: .\" duplicated in all such forms and that any documentation,
        !             7: .\" advertising materials, and other materials related to such
        !             8: .\" distribution and use acknowledge that the software was developed
        !             9: .\" by the University of California, Berkeley.  The name of the
        !            10: .\" University may not be used to endorse or promote products derived
        !            11: .\" from this software without specific prior written permission.
        !            12: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            13: .\" IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            14: .\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            15: .\"
        !            16: .\"    @(#)0.t 6.3 (Berkeley) 3/7/89
        !            17: .\"
        !            18: .EQ
        !            19: delim $$
        !            20: .EN
        !            21: .if n .ND
        !            22: .TL
        !            23: A Fast File System for UNIX*
        !            24: .EH 'SMM:14-%''A Fast File System for \s-2UNIX\s+2'
        !            25: .OH 'A Fast File System for \s-2UNIX\s+2''SMM:14-%'
        !            26: .AU
        !            27: Marshall Kirk McKusick, William N. Joy\(dg,
        !            28: Samuel J. Leffler\(dd, Robert S. Fabry
        !            29: .AI
        !            30: Computer Systems Research Group
        !            31: Computer Science Division
        !            32: Department of Electrical Engineering and Computer Science
        !            33: University of California, Berkeley
        !            34: Berkeley, CA  94720
        !            35: .AB
        !            36: .FS
        !            37: * UNIX is a trademark of Bell Laboratories.
        !            38: .FE
        !            39: .FS
        !            40: \(dg William N. Joy is currently employed by:
        !            41: Sun Microsystems, Inc, 2550 Garcia Avenue, Mountain View, CA 94043
        !            42: .FE
        !            43: .FS
        !            44: \(dd Samuel J. Leffler is currently employed by:
        !            45: Lucasfilm Ltd., PO Box 2009, San Rafael, CA 94912
        !            46: .FE
        !            47: .FS
        !            48: This work was done under grants from
        !            49: the National Science Foundation under grant MCS80-05144,
        !            50: and the Defense Advance Research Projects Agency (DoD) under
        !            51: ARPA Order No. 4031 monitored by Naval Electronic System Command under
        !            52: Contract No. N00039-82-C-0235.
        !            53: .FE
        !            54: A reimplementation of the UNIX file system is described.
        !            55: The reimplementation provides substantially higher throughput
        !            56: rates by using more flexible allocation policies
        !            57: that allow better locality of reference and can
        !            58: be adapted to a wide range of peripheral and processor characteristics.
        !            59: The new file system clusters data that is sequentially accessed
        !            60: and provides two block sizes to allow fast access to large files
        !            61: while not wasting large amounts of space for small files.
        !            62: File access rates of up to ten times faster than the traditional
        !            63: UNIX file system are experienced.
        !            64: Long needed enhancements to the programmers'
        !            65: interface are discussed.
        !            66: These include a mechanism to place advisory locks on files, 
        !            67: extensions of the name space across file systems,
        !            68: the ability to use long file names,
        !            69: and provisions for administrative control of resource usage.
        !            70: .sp
        !            71: .LP
        !            72: Revised February 18, 1984
        !            73: .AE
        !            74: .LP
        !            75: .sp 2
        !            76: CR Categories and Subject Descriptors:
        !            77: D.4.3
        !            78: .B "[Operating Systems]":
        !            79: File Systems Management \-
        !            80: .I "file organization, directory structures, access methods";
        !            81: D.4.2
        !            82: .B "[Operating Systems]":
        !            83: Storage Management \-
        !            84: .I "allocation/deallocation strategies, secondary storage devices";
        !            85: D.4.8
        !            86: .B "[Operating Systems]":
        !            87: Performance \-
        !            88: .I "measurements, operational analysis";
        !            89: H.3.2
        !            90: .B "[Information Systems]":
        !            91: Information Storage \-
        !            92: .I "file organization"
        !            93: .sp
        !            94: Additional Keywords and Phrases:
        !            95: UNIX,
        !            96: file system organization,
        !            97: file system performance,
        !            98: file system design,
        !            99: application program interface.
        !           100: .sp
        !           101: General Terms:
        !           102: file system,
        !           103: measurement,
        !           104: performance.
        !           105: .bp 
        !           106: .ce
        !           107: .B "TABLE OF CONTENTS"
        !           108: .LP
        !           109: .sp 1
        !           110: .nf
        !           111: .B "1.  Introduction"
        !           112: .LP
        !           113: .sp .5v
        !           114: .nf
        !           115: .B "2.  Old file system
        !           116: .LP
        !           117: .sp .5v
        !           118: .nf
        !           119: .B "3.  New file system organization
        !           120: 3.1.    Optimizing storage utilization
        !           121: 3.2.    File system parameterization
        !           122: 3.3.    Layout policies
        !           123: .LP
        !           124: .sp .5v
        !           125: .nf
        !           126: .B "4.  Performance
        !           127: .LP
        !           128: .sp .5v
        !           129: .nf
        !           130: .B "5.  File system functional enhancements
        !           131: 5.1.     Long file names
        !           132: 5.2.     File locking
        !           133: 5.3.     Symbolic links
        !           134: 5.4.     Rename
        !           135: 5.5.     Quotas
        !           136: .LP
        !           137: .sp .5v
        !           138: .nf
        !           139: .B References

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