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Make module tunables cross platform

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Adds ZFS_MODULE_PARAM to abstract module parameter
setting to operating systems other than Linux.

Reviewed-by: Jorgen Lundman <lundman@lundman.net>
Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9230
This commit is contained in:
Matthew Macy
2019-09-05 14:49:49 -07:00
committed by Brian Behlendorf
parent 65a91b166e
commit 03fdcb9adc
43 changed files with 544 additions and 660 deletions
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module/zfs/vdev.c
+12 -22
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@@ -4764,7 +4764,6 @@ vdev_xlate(vdev_t *vd, const range_seg_t *logical_rs, range_seg_t *physical_rs)
physical_rs->rs_end = intermediate.rs_end;
}
#if defined(_KERNEL)
EXPORT_SYMBOL(vdev_fault);
EXPORT_SYMBOL(vdev_degrade);
EXPORT_SYMBOL(vdev_online);
@@ -4772,40 +4771,31 @@ EXPORT_SYMBOL(vdev_offline);
EXPORT_SYMBOL(vdev_clear);
/* BEGIN CSTYLED */
module_param(zfs_vdev_default_ms_count, int, 0644);
MODULE_PARM_DESC(zfs_vdev_default_ms_count,
ZFS_MODULE_PARAM(zfs_vdev, zfs_vdev_, default_ms_count, INT, ZMOD_RW,
"Target number of metaslabs per top-level vdev");
module_param(zfs_vdev_default_ms_shift, int, 0644);
MODULE_PARM_DESC(zfs_vdev_default_ms_shift,
ZFS_MODULE_PARAM(zfs_vdev, zfs_vdev_, default_ms_shift, INT, ZMOD_RW,
"Default limit for metaslab size");
module_param(zfs_vdev_min_ms_count, int, 0644);
MODULE_PARM_DESC(zfs_vdev_min_ms_count,
ZFS_MODULE_PARAM(zfs_vdev, zfs_vdev_, min_ms_count, INT, ZMOD_RW,
"Minimum number of metaslabs per top-level vdev");
module_param(zfs_vdev_ms_count_limit, int, 0644);
MODULE_PARM_DESC(zfs_vdev_ms_count_limit,
ZFS_MODULE_PARAM(zfs_vdev, zfs_vdev_, ms_count_limit, INT, ZMOD_RW,
"Practical upper limit of total metaslabs per top-level vdev");
module_param(zfs_slow_io_events_per_second, uint, 0644);
MODULE_PARM_DESC(zfs_slow_io_events_per_second,
ZFS_MODULE_PARAM(zfs, zfs_, slow_io_events_per_second, UINT, ZMOD_RW,
"Rate limit slow IO (delay) events to this many per second");
module_param(zfs_checksum_events_per_second, uint, 0644);
MODULE_PARM_DESC(zfs_checksum_events_per_second, "Rate limit checksum events "
"to this many checksum errors per second (do not set below zed"
"threshold).");
ZFS_MODULE_PARAM(zfs, zfs_, checksum_events_per_second, UINT, ZMOD_RW,
"Rate limit checksum events to this many checksum errors per second "
"(do not set below zed threshold).");
module_param(zfs_scan_ignore_errors, int, 0644);
MODULE_PARM_DESC(zfs_scan_ignore_errors,
ZFS_MODULE_PARAM(zfs, zfs_, scan_ignore_errors, INT, ZMOD_RW,
"Ignore errors during resilver/scrub");
module_param(vdev_validate_skip, int, 0644);
MODULE_PARM_DESC(vdev_validate_skip,
ZFS_MODULE_PARAM(zfs_vdev, vdev_, validate_skip, INT, ZMOD_RW,
"Bypass vdev_validate()");
module_param(zfs_nocacheflush, int, 0644);
MODULE_PARM_DESC(zfs_nocacheflush, "Disable cache flushes");
ZFS_MODULE_PARAM(zfs, zfs_, nocacheflush, INT, ZMOD_RW,
"Disable cache flushes");
/* END CSTYLED */
#endif