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SubjectRe: Syncing single filesystem (slow USB writing)
Date
On Friday 29 July 2005 15:20, Andrew Morton wrote:
> Andrey Borzenkov <arvidjaar@mail.ru> wrote:
> > On Friday 29 July 2005 07:50, Andrew Morton wrote:
> > > > One idea how to improve situation - continue to mount with dsync
> > > > (having basically old case) and do frequent sync of filesystem (this
> > > > culd be started as HAL callout or whatever). Unfortunately, I could
> > > > not find a way to request a sync (flush) of single mount point or
> > > > block device. Have I missed something?
> > >
> > > It's trivial to do in-kernel but no, I'm afraid there isn't a userspace
> > > interface for this.
> >
> > apparently one should not ask such a question at 7 am. Any reason why
> > BLKFLSBUF does not suite?
>
> That'll only write back data associated with /dev/hdXX (ie: filesystem
> metadata) and not the data associated with all the files in the filesystem
> which is mounted on /dev/hdXX.

I am confused. BKLFLSBUF boils down to sync_inodes_sb for mounted device, and
that appears to write out direty inode pages?

What should be used for in-kernel implementation then? I was going to use the
same frankly speaking :)
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