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
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;
let's
see if the questions about
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, did anything come of that? I
On Sat, Apr 20, 2013 at 01:40:02AM +0900, Namjae Jeon wrote:
From: Namjae Jeon namjae.j...@samsung.com
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)
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
On Tue, Jan 29, 2013 at 12:14 AM, Hannes Reinecke h...@suse.de 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
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
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
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