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| author | Rafael Vanoni <rafael.vanoni@sun.com> | 2009-11-13 01:32:32 -0800 |
|---|---|---|
| committer | Rafael Vanoni <rafael.vanoni@sun.com> | 2009-11-13 01:32:32 -0800 |
| commit | d3d50737e566cade9a08d73d2af95105ac7cd960 (patch) | |
| tree | 399b76a3f6bf107e2ff506d8f9c3333654b29fc7 /usr/src/uts/common/fs/zfs/vdev_queue.c | |
| parent | 1eff5f7761619411b3c31280fcd96cefc32968b7 (diff) | |
| download | illumos-joyent-d3d50737e566cade9a08d73d2af95105ac7cd960.tar.gz | |
PSARC/2009/396 Tickless Kernel Architecture / lbolt decoupling
6860030 tickless clock requires a clock() decoupled lbolt / lbolt64
Portions contributed by Chad Mynhier <cmynhier@gmail.com>
Diffstat (limited to 'usr/src/uts/common/fs/zfs/vdev_queue.c')
| -rw-r--r-- | usr/src/uts/common/fs/zfs/vdev_queue.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/usr/src/uts/common/fs/zfs/vdev_queue.c b/usr/src/uts/common/fs/zfs/vdev_queue.c index d98278ddef..21e60ce843 100644 --- a/usr/src/uts/common/fs/zfs/vdev_queue.c +++ b/usr/src/uts/common/fs/zfs/vdev_queue.c @@ -40,7 +40,7 @@ int zfs_vdev_max_pending = 10; int zfs_vdev_min_pending = 4; -/* deadline = pri + (lbolt >> time_shift) */ +/* deadline = pri + ddi_get_lbolt64() >> time_shift) */ int zfs_vdev_time_shift = 6; /* exponential I/O issue ramp-up rate */ @@ -359,7 +359,8 @@ vdev_queue_io(zio_t *zio) mutex_enter(&vq->vq_lock); - zio->io_deadline = (lbolt64 >> zfs_vdev_time_shift) + zio->io_priority; + zio->io_deadline = (ddi_get_lbolt64() >> zfs_vdev_time_shift) + + zio->io_priority; vdev_queue_io_add(vq, zio); |