Messages in this thread |  | | Subject | Re: [2.6 patch] the scheduled removal of the obsolete raw driver | From | Arjan van de Ven <> | Date | Sun, 22 Jan 2006 09:14:06 +0100 |
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On Sat, 2006-01-21 at 19:09 -0500, Gene Heskett wrote: > On Saturday 21 January 2006 18:59, Doug McNaught wrote: > >Gene Heskett <gene.heskett@verizon.net> writes: > >>>No, it's a different raw driver, for big databases that basically > >>> want their own custom filesystem on a disk. > >> > >> With the attendent possibility of rendering the whole thing > >> unrecoverably moot? > >> > >> OTOH, if this database actually does have a better way, and its > >> mature and proven, then I see no reason to cripple the database > >> people just to remove what is viewed as a potentially dangerous path > >> to the media surface for the unwashed to abuse. > > > >The database people have a newer and supported way to do that, via the > >O_DIRECT flag to open(). They aren't losing any functionality. > > > Good, but what about speed, is that impacted in any way they can > measure, or is this flag/method actually faster than the raw driver is?
the 2.6 raw driver is just a wrapper layer around this O_DIRECT open.
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