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Add vdev property to disable vdev scheduler

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Added vdev property to disable the vdev scheduler.
The intention behind this property is to improve IOPS
performance when using o_direct.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <alexander.motin@TrueNAS.com>
Signed-off-by: MigeljanImeri <ImeriMigel@gmail.com>
Closes #17358
This commit is contained in:
MigeljanImeri
2026-02-23 12:34:33 -05:00
committed by GitHub
parent d2f5cb3a50
commit 4975430cf5
14 changed files with 206 additions and 2 deletions
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module/zcommon/zpool_prop.c
+11
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@@ -326,6 +326,13 @@ vdev_prop_init(void)
{ NULL }
};
static const zprop_index_t vdevschedulertype_table[] = {
{ "auto", VDEV_SCHEDULER_AUTO },
{ "on", VDEV_SCHEDULER_ON },
{ "off", VDEV_SCHEDULER_OFF },
{ NULL }
};
struct zfs_mod_supported_features *sfeatures =
zfs_mod_list_supported(ZFS_SYSFS_VDEV_PROPERTIES);
@@ -484,6 +491,10 @@ vdev_prop_init(void)
zprop_register_index(VDEV_PROP_SLOW_IO_EVENTS, "slow_io_events",
B_TRUE, PROP_DEFAULT, ZFS_TYPE_VDEV, "on | off",
"SLOW_IO_EVENTS", boolean_table, sfeatures);
zprop_register_index(VDEV_PROP_SCHEDULER, "scheduler",
VDEV_SCHEDULER_AUTO, PROP_DEFAULT, ZFS_TYPE_VDEV,
"auto | on | off", "IO_SCHEDULER",
vdevschedulertype_table, sfeatures);
/* hidden properties */
zprop_register_hidden(VDEV_PROP_NAME, "name", PROP_TYPE_STRING,