Re: [PATCH v3] mm: Make snapshotting pages for stable writes a per-bio operation

2013-04-09 Thread Darrick J. Wong
On Wed, Apr 03, 2013 at 04:42:44PM +0200, Jan Kara wrote: > On Wed 03-04-13 15:20:19, Mel Gorman wrote: > > On Tue, Apr 02, 2013 at 10:01:43AM -0700, Darrick J. Wong wrote: > > > Hi, > > > > > > A couple of weeks have gone by without further comments about this patch. > > > > > > Are you

Re: [PATCH v3] mm: Make snapshotting pages for stable writes a per-bio operation

2013-04-09 Thread Darrick J. Wong
On Wed, Apr 03, 2013 at 04:42:44PM +0200, Jan Kara wrote: On Wed 03-04-13 15:20:19, Mel Gorman wrote: On Tue, Apr 02, 2013 at 10:01:43AM -0700, Darrick J. Wong wrote: Hi, A couple of weeks have gone by without further comments about this patch. Are you interested in the minor

Re: [PATCH v3] mm: Make snapshotting pages for stable writes a per-bio operation

2013-04-03 Thread Jan Kara
On Wed 03-04-13 15:20:19, Mel Gorman wrote: > On Tue, Apr 02, 2013 at 10:01:43AM -0700, Darrick J. Wong wrote: > > Hi, > > > > A couple of weeks have gone by without further comments about this patch. > > > > Are you interested in the minor cleanups and added comments, or is the v2 > > patch >

Re: [PATCH v3] mm: Make snapshotting pages for stable writes a per-bio operation

2013-04-03 Thread Mel Gorman
On Tue, Apr 02, 2013 at 10:01:43AM -0700, Darrick J. Wong wrote: > Hi, > > A couple of weeks have gone by without further comments about this patch. > > Are you interested in the minor cleanups and added comments, or is the v2 > patch > in -next good enough? > > Apparently Mel Gorman's

Re: [PATCH v3] mm: Make snapshotting pages for stable writes a per-bio operation

2013-04-03 Thread Mel Gorman
On Tue, Apr 02, 2013 at 10:01:43AM -0700, Darrick J. Wong wrote: Hi, A couple of weeks have gone by without further comments about this patch. Are you interested in the minor cleanups and added comments, or is the v2 patch in -next good enough? Apparently Mel Gorman's interested in

Re: [PATCH v3] mm: Make snapshotting pages for stable writes a per-bio operation

2013-04-03 Thread Jan Kara
On Wed 03-04-13 15:20:19, Mel Gorman wrote: On Tue, Apr 02, 2013 at 10:01:43AM -0700, Darrick J. Wong wrote: Hi, A couple of weeks have gone by without further comments about this patch. Are you interested in the minor cleanups and added comments, or is the v2 patch in -next good

Re: [PATCH v3] mm: Make snapshotting pages for stable writes a per-bio operation

2013-04-02 Thread Darrick J. Wong
Hi, A couple of weeks have gone by without further comments about this patch. Are you interested in the minor cleanups and added comments, or is the v2 patch in -next good enough? Apparently Mel Gorman's interested in this patchset too. Mel: Most of stable pages part 2 are already in upstream

Re: [PATCH v3] mm: Make snapshotting pages for stable writes a per-bio operation

2013-04-02 Thread Darrick J. Wong
Hi, A couple of weeks have gone by without further comments about this patch. Are you interested in the minor cleanups and added comments, or is the v2 patch in -next good enough? Apparently Mel Gorman's interested in this patchset too. Mel: Most of stable pages part 2 are already in upstream

Re: [PATCH v3] mm: Make snapshotting pages for stable writes a per-bio operation

2013-03-19 Thread Jan Kara
On Mon 18-03-13 16:02:59, Darrick J. Wong wrote: > Walking a bio's page mappings has proved problematic, so create a new bio flag > to indicate that a bio's data needs to be snapshotted in order to guarantee > stable pages during writeback. Next, for the one user (ext3/jbd) of > snapshotting,

Re: [PATCH v3] mm: Make snapshotting pages for stable writes a per-bio operation

2013-03-19 Thread Jan Kara
On Mon 18-03-13 16:02:59, Darrick J. Wong wrote: Walking a bio's page mappings has proved problematic, so create a new bio flag to indicate that a bio's data needs to be snapshotted in order to guarantee stable pages during writeback. Next, for the one user (ext3/jbd) of snapshotting, hook

[PATCH v3] mm: Make snapshotting pages for stable writes a per-bio operation

2013-03-18 Thread Darrick J. Wong
Walking a bio's page mappings has proved problematic, so create a new bio flag to indicate that a bio's data needs to be snapshotted in order to guarantee stable pages during writeback. Next, for the one user (ext3/jbd) of snapshotting, hook all the places where writes can be initiated without

[PATCH v3] mm: Make snapshotting pages for stable writes a per-bio operation

2013-03-18 Thread Darrick J. Wong
Walking a bio's page mappings has proved problematic, so create a new bio flag to indicate that a bio's data needs to be snapshotted in order to guarantee stable pages during writeback. Next, for the one user (ext3/jbd) of snapshotting, hook all the places where writes can be initiated without