Re: [patch] O_SYNC patch 3/3, add inode dirty buffer list support to ext2

From: Jeff V. Merkey (jmerkey@vger.timpanogas.org)
Date: Thu Nov 23 2000 - 15:01:25 EST


On Thu, Nov 23, 2000 at 12:01:35PM +0000, Stephen C. Tweedie wrote:
> Hi,
>
> On Wed, Nov 22, 2000 at 11:54:24AM -0700, Jeff V. Merkey wrote:
> >
> > I have not implemented O_SYNC in NWFS, but it looks like I need to add it
> > before posting the final patches. This patch appears to force write-through
> > of only dirty inodes, and allow reads to continue from cache. Is this
> > assumption correct
>
> Yes: O_SYNC is not required to force reads to be made from disk.
> SingleUnix has an "O_RSYNC" option which does that, but O_SYNC and
> O_DSYNC don't imply that.

Cool. ORACLE is going to **SMOKE** on EXT2 with this change.

Jeff

>
> Cheers,
> Stephen
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