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tunables: remove direct use of module_param_cb

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The use for spl_taskq_kick was the only use, and the comment that
module_param_call is obsolete is no longer true - it's still very much
used even in recent kernels.

Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Pavel Snajdr <snajpa@snajpa.net>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #17377
This commit is contained in:
Rob Norris 2025-05-24 16:36:29 +10:00 committed by Brian Behlendorf
parent 7b183f1918
commit 58235f52af
1 changed files with 2 additions and 19 deletions
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21
module/os/linux/spl/spl-taskq.c
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@ -37,6 +37,7 @@
#include <sys/atomic.h>
#include <sys/kstat.h>
#include <linux/cpuhotplug.h>
#include <linux/mod_compat.h>
/* Linux 6.2 renamed timer_delete_sync(); point it at its old name for those. */
#ifndef HAVE_TIMER_DELETE_SYNC
@ -1651,18 +1652,8 @@ spl_taskq_kstat_fini(void)
static unsigned int spl_taskq_kick = 0;
/*
* 2.6.36 API Change
* module_param_cb is introduced to take kernel_param_ops and
* module_param_call is marked as obsolete. Also set and get operations
* were changed to take a 'const struct kernel_param *'.
*/
static int
#ifdef module_param_cb
param_set_taskq_kick(const char *val, const struct kernel_param *kp)
#else
param_set_taskq_kick(const char *val, struct kernel_param *kp)
#endif
param_set_taskq_kick(const char *val, zfs_kernel_param_t *kp)
{
int ret;
taskq_t *tq = NULL;
@ -1692,16 +1683,8 @@ param_set_taskq_kick(const char *val, struct kernel_param *kp)
return (ret);
}
#ifdef module_param_cb
static const struct kernel_param_ops param_ops_taskq_kick = {
.set = param_set_taskq_kick,
.get = param_get_uint,
};
module_param_cb(spl_taskq_kick, &param_ops_taskq_kick, &spl_taskq_kick, 0644);
#else
module_param_call(spl_taskq_kick, param_set_taskq_kick, param_get_uint,
&spl_taskq_kick, 0644);
#endif
MODULE_PARM_DESC(spl_taskq_kick,
"Write nonzero to kick stuck taskqs to spawn more threads");