Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userland | KernelTrap

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userland

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From: Erez Zadok <ezk@...>

To: Hugh Dickins <hugh@...>

Cc: Erez Zadok <ezk@...>, Pekka Enberg <penberg@...>, Ryan Finnie <ryan@...>, Andrew Morton <akpm@...>, <linux-kernel@...>, <linux-fsdevel@...>, <cjwatson@...>, <linux-mm@...>

Subject: Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userland

Date: Saturday, October 27, 2007 - 4:47 pm

In message <Pine.LNX.4.64.0710251743190.9834@blonde.wat.veritas.com>, Hugh Dickins writes:
quoted text> On Mon, 22 Oct 2007, Erez Zadok wrote:
[...]
quoted text> > If you've got suggestions how I can handle unionfs_write more cleanly, or
> > comments on the above possibilities, I'd love to hear them.
> 
> For now I think you should pursue the ~(__GFP_FS|__GFP_IO) idea somehow.
> 
> Hugh

Hugh, thanks for the great explanations and suggestions (in multiple
emails).  I'm going to test all of those soon.

Erez.
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Messages in current thread:

msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userland, Erez Zadok, (Sun Oct 7, 3:20 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Andrew Morton, (Thu Oct 11, 5:47 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Ryan Finnie, (Thu Oct 11, 6:12 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Hugh Dickins, (Thu Oct 11, 8:38 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Pekka Enberg, (Fri Oct 12, 5:45 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Hugh Dickins, (Sun Oct 14, 4:44 am)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Pekka Enberg, (Sun Oct 14, 1:09 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Erez Zadok, (Sun Oct 14, 1:23 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Hugh Dickins, (Mon Oct 22, 3:42 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Erez Zadok, (Mon Oct 22, 5:38 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Hugh Dickins, (Thu Oct 25, 2:03 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Erez Zadok, (Sun Oct 28, 4:23 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Hugh Dickins, (Mon Oct 29, 4:33 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Erez Zadok, (Wed Oct 31, 7:53 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Hugh Dickins, (Mon Nov 5, 11:40 am)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Erez Zadok, (Fri Nov 9, 2:05 am)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Hugh Dickins, (Mon Nov 12, 1:01 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Erez Zadok, (Tue Nov 13, 6:18 am)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Hugh Dickins, (Sat Nov 17, 5:24 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Erez Zadok, (Mon Nov 19, 9:30 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Hugh Dickins, (Mon Nov 12, 1:41 am)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Dave Hansen, (Mon Nov 5, 12:38 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Erez Zadok, (Thu Nov 8, 10:47 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Hugh Dickins, (Mon Nov 5, 2:57 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Erez Zadok, (Sat Oct 27, 4:47 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Pekka J Enberg, (Sun Oct 14, 1:50 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Erez Zadok, (Sun Oct 14, 6:32 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Hugh Dickins, (Mon Oct 22, 4:01 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Pekka Enberg, (Mon Oct 22, 4:40 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Pekka Enberg, (Mon Oct 15, 7:47 am)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Hugh Dickins, (Mon Oct 22, 4:16 pm)

[PATCH] fix tmpfs BUG and AOP_WRITEPAGE_ACTIVATE, Hugh Dickins, (Wed Oct 24, 5:02 pm)

Re: [PATCH] fix tmpfs BUG and AOP_WRITEPAGE_ACTIVATE, Andrew Morton, (Wed Oct 24, 5:08 pm)

[PATCH+comment] fix tmpfs BUG and AOP_WRITEPAGE_ACTIVATE, Hugh Dickins, (Wed Oct 24, 5:37 pm)

Re: [PATCH+comment] fix tmpfs BUG and AOP_WRITEPAGE_ACTIVATE, Pekka Enberg, (Thu Oct 25, 1:37 am)

Re: [PATCH+comment] fix tmpfs BUG and AOP_WRITEPAGE_ACTIVATE, Hugh Dickins, (Thu Oct 25, 2:30 am)

Re: [PATCH+comment] fix tmpfs BUG and AOP_WRITEPAGE_ACTIVATE , Erez Zadok, (Thu Oct 25, 12:01 pm)

Re: [PATCH+comment] fix tmpfs BUG and AOP_WRITEPAGE_ACTIVATE, H. Peter Anvin, (Thu Oct 25, 4:51 pm)

Re: [PATCH+comment] fix tmpfs BUG and AOP_WRITEPAGE_ACTIVATE, Pekka Enberg, (Thu Oct 25, 3:24 am)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Erez Zadok, (Mon Oct 22, 5:04 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Hugh Dickins, (Thu Oct 25, 12:40 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Pekka Enberg, (Mon Oct 22, 4:48 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Hugh Dickins, (Thu Oct 25, 11:36 am)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Pekka Enberg, (Fri Oct 26, 4:05 am)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Erez Zadok, (Thu Oct 25, 12:44 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Hugh Dickins, (Thu Oct 25, 2:23 pm)

Re: msync(2) bug(?), returns AOP_WRITEPAGE_ACTIVATE to userl..., Erez Zadok, (Tue Oct 16, 2:02 pm)

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