tree 3e04b32b6c6b24cd397f0f04d828c49dfb6b5cac
parent c11883f748f8f192fc6b4b0ec25add8781a8f4a8
author Jens Axboe <jens.axboe@oracle.com> 1164361320 +0100
committer Jens Axboe <jens.axboe@oracle.com> 1164361320 +0100

[PATCH] Time and seek optimizations

We did too many gettimeofday() calls, this patch cuts the number by
40%. Use clock_gettime() MONOTONIC instead, it is faster on my system
at least.

This patch also optimizes calling lseek() only when necessary for the
sync io engine.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>