Date: Sun, 6 Feb 2005 11:45:53 -0800 (PST) From: Yan Yu <yanyu_1997@yahoo.com> To: Robert Watson <rwatson@freebsd.org>, Yan Yu <yanyu@CS.UCLA.EDU> Cc: freebsd-hackers@freebsd.org Subject: Re: falloc() Message-ID: <20050206194553.33195.qmail@web40902.mail.yahoo.com> In-Reply-To: <Pine.NEB.3.96L.1050206124427.55544A-100000@fledge.watson.org>
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hi, THANKS FOR the pointer! > falloc() isn't considered a "pluggable" kernel API, > that is to say, we've > not engineered FreeBSD with the intent that it be > replaced at run-time. > If you don't mind my asking, what motivates you to > replace falloc()? i would like to add more checks (e.g., resource usage restrictions) before a file is being created, e.g., the upper limit of the total number of file descriptors that can be created by a single user (the same uid). THe reason I did not replace fopen() is that: there are many places (besides fopen) will create a new file (vnode). a quick checked shows that _falloc_ is called by many places.. does this make sense, or i should make change in some other place? THanks! yan __________________________________ Do you Yahoo!? Yahoo! Mail - Helps protect you from nasty viruses. http://promotions.yahoo.com/new_mail
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