From: Jens Axboe <axboe@suse.de>
Date: Tue, 11 Apr 2006 11:53:56 +0000 (+0200)
Subject: [PATCH] splice: speedups and optimizations
X-Git-Tag: v2.6.17-rc2~107^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6f767b0425f5902e4817648632230b512e81c963;p=pandora-kernel.git

[PATCH] splice: speedups and optimizations

- Kill the local variables that cache ->nrbufs, they just take up space.

- Only set do_wakeup for a real pipe. This is a big win for direct splicing.

- Kill i_mutex lock around ->f_pos update, regular io paths don't do this
  either.

Signed-off-by: Jens Axboe <axboe@suse.de>
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