| commit | d57d611505d911c6f9f81cd9bd6dbd293d66dd9f | [log] [tgz] |
|---|---|---|
| author | Stephane Gasparini <stephane.gasparini@linux.intel.com> | Tue Feb 09 17:07:38 2016 +0100 |
| committer | Jens Axboe <axboe@fb.com> | Tue Feb 09 09:27:01 2016 -0700 |
| tree | e4616ad08b32aa47a3050e42e706d20212c8955f | |
| parent | 09954bad448791ef01202351d437abdd9497a804 [diff] |
kernel/fs: fix I/O wait not accounted for RW O_DSYNC When a process is doing Random Write with O_DSYNC flag the I/O wait are not accounted in the kernel (get_cpu_iowait_time_us). This is preventing the governor or the cpufreq driver to account for I/O wait and thus use the right pstate Signed-off-by: Stephane Gasparini <stephane.gasparini@linux.intel.com> Signed-off-by: Philippe Longepe <philippe.longepe@linux.intel.com> Signed-off-by: Jens Axboe <axboe@fb.com>