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| author | Justin TerAvest | 2011-03-01 21:05:08 +0100 |
|---|---|---|
| committer | Jens Axboe | 2011-03-01 21:05:08 +0100 |
| commit | 0bbfeb8320421989d3e12bd95fae86b9ac0712aa (patch) | |
| tree | a23bb6686bd2586fe7c27d0773c63f9aeb254cd1 /block/blk-settings.c | |
| parent | Merge commit 'v2.6.38-rc6' into for-2.6.39/core (diff) | |
| download | kernel-qcow2-linux-0bbfeb8320421989d3e12bd95fae86b9ac0712aa.tar.gz kernel-qcow2-linux-0bbfeb8320421989d3e12bd95fae86b9ac0712aa.tar.xz kernel-qcow2-linux-0bbfeb8320421989d3e12bd95fae86b9ac0712aa.zip | |
cfq-iosched: Always provide group isolation.
Effectively, make group_isolation=1 the default and remove the tunable.
The setting group_isolation=0 was because by default we idle on
sync-noidle tree and on fast devices, this can be very harmful for
throughput.
However, this problem can also be addressed by tuning slice_idle and
possibly group_idle on faster storage devices.
This change simplifies the CFQ code by removing the feature entirely.
Signed-off-by: Justin TerAvest <teravest@google.com>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'block/blk-settings.c')
0 files changed, 0 insertions, 0 deletions