On Fri, May 22, 2015 at 11:17:59AM -0700, Darrick J. Wong wrote:
> Back when I was writing the stable pages patches, I observed that some of the
> filesystems didn't hold the pages containing their own metadata stable during
> writeback on a stable-writes device. The journalling filesystems were f
On Thu, May 21, 2015 at 06:54:53PM +0200, Jan Kara wrote:
> On Wed 20-05-15 18:04:40, Kent Overstreet wrote:
> > > Yeah. I never figured out a sane way to migrate pages and keep everything
> > > else happy. Daniel Phillips is having a go at page forking for tux3;
> &g
On Tue, May 19, 2015 at 01:10:55PM -0700, Darrick J. Wong wrote:
> On Tue, May 19, 2015 at 08:42:00AM -0700, Kent Overstreet wrote:
> > Also, stable pages - what's been going on there? Last I heard you were
> > talking
> > about using the page migration code to do COW,
On Sat, Apr 20, 2013 at 01:40:02AM +0900, Namjae Jeon wrote:
> From: Namjae Jeon
>
> linux-v3.8-rc1 and later support for plug for blkdev_issue_discard with
> commit 0cfbcafcae8b7364b5fa96c2b26ccde7a3a296a9
> (block: add plug for blkdev_issue_discard )
>
> For example,
> 1) DISCARD rq-1 with si
More prep work for immutable bvecs/effecient bio splitting - usage of
bi_vcnt has to be auditing, so getting rid of all the unnecessary usage
makes that easier.
Plus, bio_segments() is really what this code wanted, as it respects the
current value of bi_idx.
Signed-off-by: Kent Overstreet
CC
On Tue, Jan 29, 2013 at 12:14 AM, Hannes Reinecke wrote:
> Hi all,
>
> Thin-provisioned devices have the ability to set a 'soft threshold', which
> is triggered if the real free space for this device is beyond this mark.
>
> The intention behind this is to allow the system to induce some garbage
>
More prep work for immutable bvecs/effecient bio splitting - usage of
bi_vcnt has to be auditing, so getting rid of all the unnecessary usage
makes that easier.
Plus, bio_segments() is really what this code wanted, as it respects the
current value of bi_idx.
Signed-off-by: Kent Overstreet
CC
More prep work for immutable bvecs/effecient bio splitting - usage of
bi_vcnt has to be auditing, so getting rid of all the unnecessary usage
makes that easier.
Plus, bio_segments() is really what this code wanted, as it respects the
current value of bi_idx.
Signed-off-by: Kent Overstreet
CC
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