On Wed, Sep 03, 2008 at 04:03:59PM +0530, Sujit Karataparambil wrote: > 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.
In src/sys/ufs/ffs/ffs_rawread.c I see that rawreadahead is used. However, I do not understand whether rawreadahead starts a second parallel ahead disk transaction with supplied userland buffer or not. -- Igor Sysoev http://sysoev.ru/en/ > On 9/3/08, Igor Sysoev <[EMAIL PROTECTED]> 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 "[EMAIL PROTECTED]"