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Revert "Reduce latency effects of non-interactive I/O"

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Under certain conditions commit a3a4b8def appears to result in a
hang, or poor performance, when importing a pool.  Until the root
cause can be identified it has been reverted from the release branch.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #11245
This commit is contained in:
Brian Behlendorf
2020-11-30 09:38:15 -08:00
parent a4ab0c607e
commit 2c36eb763f
3 changed files with 18 additions and 145 deletions
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include/sys/vdev_impl.h
-3
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@@ -148,9 +148,6 @@ struct vdev_queue {
avl_tree_t vq_write_offset_tree;
avl_tree_t vq_trim_offset_tree;
uint64_t vq_last_offset;
zio_priority_t vq_last_prio; /* Last sent I/O priority. */
uint32_t vq_ia_active; /* Active interactive I/Os. */
uint32_t vq_nia_credit; /* Non-interactive I/Os credit. */
hrtime_t vq_io_complete_ts; /* time last i/o completed */
hrtime_t vq_io_delta_ts;
zio_t vq_io_search; /* used as local for stack reduction */