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1、ThefollowingpaperwasoriginallypublishedintheProceedingsoftheThirdUSENIXConferenceonObject-OrientedTechnologiesandSystemsPortland,Oregon,June1997Frigate:AnObject-OrientedFileSystemforOrdinaryUsersTedH.Kim,GeraldJ.PopekDepartmentofComputerScienceUniversity
2、ofCalifornia,LosAngelesFormoreinformationaboutUSENIXAssociationcontact:1.Phone:510528-86492.FAX:510548-57383.Email:office@usenix.org4.WWWURL:http://www.usenix.orgFrigate:AnObject-OrientedFileSystemforOrdinaryUsersyTedH.KimGeraldJ.PopekDepartmentofComput
3、erScienceUniversityofCalifornia,LosAngelesAbstractelsethatyourextensionoftheoperatingsystemisnottoriskyisnotalwayseasy.DistributionofVendorscannotprovidealltheoperatingsystemmodi cationsmayencountersimilartrustproblemsservicesthatusersdemand.Asaresult,th
4、erehasandbelimitedbylicenserestrictions.Compatib-beenapersistentdesiretomakeoperatingsystemsilitybetweenindependentlywrittenextensionsandmore
exibleandcustomizable.Itisnaturalthattheabilitytofurthermodifythemarealsopotentialobject-orientedtechnologywould
5、cometobearonproblems.thisarea.However,manysolutionshavebeendisap-Thelongstandingdesiretomakeoperatingsys-pointingwhenitcomestoeaseofuse.temsmore
exibleandcustomizableledtovariousThispaperdescribesthedesignandimplementa-architecturalinnovations,includingl
6、oadabledevicetionofFrigate,anobject-oriented lesystem.Thedrivers,streams[42],vnodes[28]andmicro-kernels.goalofFrigateistoprovideamodular,extensibleAlloftheseideaswereaimed,atleastinpart,atframework.Theframeworkallowsnewextensionsprovidingextensibility.It
7、isnaturalthatobject-tobeplugged-in"onthe
y.Frigate'sfocusdi ersorientedtechnology,withitsthemesofmodularex-frommostother lesystemdesignsinthatitistar-tensibility,wouldeventuallycometobeappliedtogetedforusebyordinaryusersratherthanbysoph-thisproblem.isti
8、catedoperatingsystemgurus.Thus,easeofuseMostattemptsatapplyingobject-orientedtechno-isaveryimportantconcerninthedesign.Frigateislogytooperatingsystemsareattemptstointernallyfullyimplementedandsupportsasetofexample lerestru
