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zfs_scrub_limit tunable is not used anywhere

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As a part of scrub/resilver tuning zfs_scrub_limit fell out of use,
but the definition of the variable remained in place.
Moreover various guides still (misleadingly) mention it as a way
to influence resilver/scrub behavior.
This commit removes its finally.

Signed-off-by: Cyril Plisko <cyril.plisko@mountall.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1444
This commit is contained in:
Cyril Plisko 2012-10-24 12:26:56 +02:00 committed by Brian Behlendorf
parent ee664d4631
commit 4f34b3bdf4
1 changed files with 0 additions and 6 deletions
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6
module/zfs/vdev.c
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@ -61,9 +61,6 @@ static vdev_ops_t *vdev_ops_table[] = {
NULL
};
/* maximum scrub/resilver I/O queue per leaf vdev */
int zfs_scrub_limit = 10;
/*
* Given a vdev type, return the appropriate ops vector.
*/
@ -3241,7 +3238,4 @@ EXPORT_SYMBOL(vdev_degrade);
EXPORT_SYMBOL(vdev_online);
EXPORT_SYMBOL(vdev_offline);
EXPORT_SYMBOL(vdev_clear);
module_param(zfs_scrub_limit, int, 0644);
MODULE_PARM_DESC(zfs_scrub_limit, "Max scrub/resilver I/O per leaf vdev");
#endif