On 6/16/2010 7:43 AM, Pawel Jakub Dawidek wrote:
On Wed, Jun 16, 2010 at 12:41:21AM +0000, Alan Cox wrote:
Author: alc
Date: Wed Jun 16 00:41:21 2010
New Revision: 209226
URL: http://svn.freebsd.org/changeset/base/209226
Log:
Eliminate unnecessary page queues locking.
[...]
Could you take a look at this patch:
http://people.freebsd.org/~pjd/patches/zfs_vnops.c.4.patch
The patch is correct. Go ahead and commit it.
Couldn't this function be simplified a little using uiomove_fromphys()
instead of sf_buf_alloc() and uiomove()? One effect would be the
elimination of the pinning that isn't needed by amd64 (and other
architectures that have a direct map).
Alan
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