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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/spa_checkpoint.c
+3 -6
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@@ -624,15 +624,12 @@ spa_checkpoint_discard(const char *pool)
ZFS_SPACE_CHECK_DISCARD_CHECKPOINT));
}
#if defined(_KERNEL)
EXPORT_SYMBOL(spa_checkpoint_get_stats);
EXPORT_SYMBOL(spa_checkpoint_discard_thread);
EXPORT_SYMBOL(spa_checkpoint_discard_thread_check);
/* BEGIN CSTYLED */
module_param(zfs_spa_discard_memory_limit, ulong, 0644);
MODULE_PARM_DESC(zfs_spa_discard_memory_limit,
"Maximum memory for prefetching checkpoint space "
"map per top-level vdev while discarding checkpoint");
ZFS_MODULE_PARAM(zfs_spa, zfs_spa_, discard_memory_limit, ULONG, ZMOD_RW,
"Limit for memory used in prefetching the checkpoint space map done "
"on each vdev while discarding the checkpoint");
/* END CSTYLED */
#endif