#2906 NORM Untriag: COW support in build kernels

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#2906: COW support in build kernels
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 Reporter:  cscott  |       Owner:  dilinger 
     Type:  defect  |      Status:  new      
 Priority:  normal  |   Milestone:  Untriaged
Component:  distro  |     Version:           
 Keywords:          |    Verified:  0        
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 mstone tells me that Copy-on-write support (which I would like to use in
 upgrades) requires git commit c53121c04317d23aa60664e08933218ef66f3ed6
 from the vserver git. (git://dev.laptop.org/users/mstone/olpc-2.6).  From
 IRC:

 (02:40:52 PM) Ashsong_home: There are two fixes here, first the
 generic_sendpage() infrastructure that makes CoW work and the changes to
 olpc_defconfig that cause file permissions to be preserved across reboots
 on JFFS2.
 (02:41:24 PM) Ashsong_home: but if he adds me as a remote and runs git-
 remote update, he should be able to just merge the stated commits and git
 will do the right thing. (git remote add
 git://dev.laptop.org/users/mstone/olpc-2.6)
 (02:41:29 PM) Ashsong_home: We were trying to make this easy for him.
 (02:42:37 PM) Ashsong_home: (Incidentally, I think he didn't commit those
 changes because he wanted Dave to review the generic_sendpage stuff).
 (02:43:18 PM) Ashsong_home: I'm told that Dave and Herbert talked and that
 they agreed that since the sendpage patch was vserver-specific, Herbert
 was the appropriate judge of its correctness and that Andres should
 perform the merge.
 (02:43:23 PM) Ashsong_home: However, that's just hearsay.

 I need working COW to keep making progress on upgrades, which I'd like to
 get into the builds early this week.

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Ticket URL: <http://dev.laptop.org/ticket/2906>
One Laptop Per Child <http://laptop.org/>