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Remove zfs_vdev_elevator module option

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As described in commit f81d5ef6 the zfs_vdev_elevator module
option is being removed.  Users who require this functionality
should update their systems to set the disk scheduler using a
udev rule.

Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: loli10K <ezomori.nozomu@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #8664
Closes #9417
Closes #9609
This commit is contained in:
Brian Behlendorf
2019-11-27 10:35:49 -08:00
committed by GitHub
parent 3c819a2c7d
commit 9e17e6f254
5 changed files with 19 additions and 161 deletions
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include/os/linux/kernel/linux/blkdev_compat.h
-8
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@@ -456,14 +456,6 @@ blk_queue_discard_secure(struct request_queue *q)
#endif
}
/*
* Default Linux IO Scheduler,
* Setting the scheduler to noop will allow the Linux IO scheduler to
* still perform front and back merging, while leaving the request
* ordering and prioritization to the ZFS IO scheduler.
*/
#define VDEV_SCHEDULER "noop"
/*
* A common holder for vdev_bdev_open() is used to relax the exclusive open
* semantics slightly. Internal vdev disk callers may pass VDEV_HOLDER to