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From: Helge Hafting <helge.hafting@hist.no>
To: William Lee Irwin III <wli@holomorphy.com>
Cc: Andy Isaacson <adi@hexapodia.org>,
	Marcelo Tosatti <marcelo.tosatti@cyclades.com>,
	"Mr. Berkley Shands" <berkley@cse.wustl.edu>,
	linux-kernel@vger.kernel.org
Subject: Re: Severe I/O performance regression 2.6.6 to 2.6.7 or 2.6.8-rc3
Date: Fri, 06 Aug 2004 10:33:54 +0200	[thread overview]
Message-ID: <41134272.3080902@hist.no> (raw)
In-Reply-To: <20040806022734.GN17188@holomorphy.com>

William Lee Irwin III wrote:

>At some point in the past, I wrote:
>
>>-r+ -d:KEY: > key-bk$X" when it creates the tarball.  Then anyone can
>>"bk clone -r`cat key-bk7` linux-2.5 linux-2.6-bk7" and duplicate the
>>-bk7 state of the tree, and then "bk changes -L ../linux-2.6-bk6" to
>>find the list of changesets differing.
>>    
>>
>
>Once we get there, there must be some way to construct intermediate
>points between those two faithful at the very least to the snapshot
>ordering if not true chronological ordering.
>  
>
You don't really need chronology for a binary search.  With a
list of changesets, just apply/back out half of them.  Divide the lot
any way you like, perhaps starting with only the "suspected" ones.

Helge Hafting

  parent reply	other threads:[~2004-08-06  8:34 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-08-05 17:02 Severe I/O performance regression 2.6.6 to 2.6.7 or 2.6.8-rc3 Mr. Berkley Shands
2004-08-05 17:25 ` William Lee Irwin III
2004-08-05 19:58   ` Mr. Berkley Shands
2004-08-05 20:46     ` William Lee Irwin III
2004-08-05 22:33       ` Marcelo Tosatti
2004-08-06  0:21         ` William Lee Irwin III
2004-08-06  2:09         ` Andy Isaacson
2004-08-06  2:27           ` William Lee Irwin III
2004-08-06  2:42             ` Andy Isaacson
2004-08-06  3:11               ` William Lee Irwin III
2004-08-06  8:33             ` Helge Hafting [this message]
2004-08-06  8:51               ` William Lee Irwin III
2004-08-06 18:02   ` Fast patch for " Mr. Berkley Shands
2004-08-08  8:22     ` Ram Pai
2004-08-16 20:30       ` [PATCH] " Ram Pai
  -- strict thread matches above, loose matches on Subject: below --
2004-08-06  0:41 Berkley Shands

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