Date: Wed, 3 Sep 2008 16:03:59 +0530 From: "Sujit Karataparambil" <sjt.kar@gmail.com> To: freebsd-stable@freebsd.org Subject: Re: vfs.ffs.rawreadahead Message-ID: <921ca19c0809030333u6accf415l80ec5bfb4a984ce1@mail.gmail.com> In-Reply-To: <20080903095352.GA62541@rambler-co.ru> References: <20080903095352.GA62541@rambler-co.ru>
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The VFS was designed to be Object abtraction of the Berkeley Fast File System. This has been since an terminology with journalling filesystem to have functionality to added on request. Thanks, Sujit On 9/3/08, Igor Sysoev <is@rambler-co.ru> wrote: > Hi, > > could anyone tell what does vfs.ffs.rawreadahead enable ? > As I understand it's used in DIRECTIO code that allows read data > directly to an userland buffer bypassing the buffer cache. > What I can not understand where the read ahead data can be placed in ? > > > -- > Igor Sysoev > http://sysoev.ru/en/ > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > -- --linux(2.4/2.6),bsd(4.5.x+),solaris(2.5+)
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