Messages in this thread |  | | | Date | Mon, 30 Jul 2012 10:00:13 -0700 | | From | "Paul E. McKenney" <> | | Subject | Re: [dm-devel] [PATCH 2/3] Introduce percpu rw semaphores |
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On Sun, Jul 29, 2012 at 01:13:34AM -0400, Mikulas Patocka wrote: > On Sat, 28 Jul 2012, Eric Dumazet wrote: > > On Sat, 2012-07-28 at 12:41 -0400, Mikulas Patocka wrote:
[ . . . ]
> > (bdev->bd_block_size should be read exactly once ) > > Rewrite all direct and non-direct io code so that it reads block size just > once ...
For whatever it is worth, the 3.5 Linux kernel only has about ten mentions of bd_block_size, at least according to cscope.
Thanx, Paul
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