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Share some code for spa deadman tunables 

We need to do the same thing to update all spas on any OS for these
tunables, so let's share the code.

While here let's match the types of the literals initializing the
variables with the type of the variable.

Reviewed-by: Allan Jude <allanjude@freebsd.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Olaf Faaland <faaland1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #9964
This commit is contained in:
Ryan Moeller 2020-02-10 16:11:30 -05:00 committed by GitHub
parent 572b5b302a
commit 57940b435c
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 33 additions and 19 deletions
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2
include/sys/spa_impl.h
View File

@ -445,6 +445,8 @@ extern sysevent_t *spa_event_create(spa_t *spa, vdev_t *vd, nvlist_t *hist_nvl,
const char *name);
extern void spa_event_post(sysevent_t *ev);
extern int param_set_deadman_failmode_common(const char *val);
extern void spa_set_deadman_synctime(hrtime_t ns);
extern void spa_set_deadman_ziotime(hrtime_t ns);
#ifdef __cplusplus
}

18
module/os/linux/zfs/spa_misc_os.c
View File

@ -58,20 +58,13 @@ param_set_deadman_failmode(const char *val, zfs_kernel_param_t *kp)
int
param_set_deadman_ziotime(const char *val, zfs_kernel_param_t *kp)
{
spa_t *spa = NULL;
int error;
error = param_set_ulong(val, kp);
if (error < 0)
return (SET_ERROR(error));
if (spa_mode_global != SPA_MODE_UNINIT) {
mutex_enter(&spa_namespace_lock);
while ((spa = spa_next(spa)) != NULL)
spa->spa_deadman_ziotime =
MSEC2NSEC(zfs_deadman_ziotime_ms);
mutex_exit(&spa_namespace_lock);
}
spa_set_deadman_ziotime(MSEC2NSEC(zfs_deadman_ziotime_ms));
return (0);
}
@ -79,20 +72,13 @@ param_set_deadman_ziotime(const char *val, zfs_kernel_param_t *kp)
int
param_set_deadman_synctime(const char *val, zfs_kernel_param_t *kp)
{
spa_t *spa = NULL;
int error;
error = param_set_ulong(val, kp);
if (error < 0)
return (SET_ERROR(error));
if (spa_mode_global != SPA_MODE_UNINIT) {
mutex_enter(&spa_namespace_lock);
while ((spa = spa_next(spa)) != NULL)
spa->spa_deadman_synctime =
MSEC2NSEC(zfs_deadman_synctime_ms);
mutex_exit(&spa_namespace_lock);
}
spa_set_deadman_synctime(MSEC2NSEC(zfs_deadman_synctime_ms));
return (0);
}

32
module/zfs/spa_misc.c
View File

@ -303,20 +303,20 @@ int zfs_free_leak_on_eio = B_FALSE;
* has not completed in zfs_deadman_synctime_ms is considered "hung" resulting
* in one of three behaviors controlled by zfs_deadman_failmode.
*/
unsigned long zfs_deadman_synctime_ms = 600000ULL;
unsigned long zfs_deadman_synctime_ms = 600000UL;
/*
* This value controls the maximum amount of time zio_wait() will block for an
* outstanding IO. By default this is 300 seconds at which point the "hung"
* behavior will be applied as described for zfs_deadman_synctime_ms.
*/
unsigned long zfs_deadman_ziotime_ms = 300000ULL;
unsigned long zfs_deadman_ziotime_ms = 300000UL;
/*
* Check time in milliseconds. This defines the frequency at which we check
* for hung I/O.
*/
unsigned long zfs_deadman_checktime_ms = 60000ULL;
unsigned long zfs_deadman_checktime_ms = 60000UL;
/*
* By default the deadman is enabled.
@ -1999,6 +1999,32 @@ spa_set_deadman_failmode(spa_t *spa, const char *failmode)
spa->spa_deadman_failmode = ZIO_FAILURE_MODE_WAIT;
}
void
spa_set_deadman_ziotime(hrtime_t ns)
{
spa_t *spa = NULL;
if (spa_mode_global != SPA_MODE_UNINIT) {
mutex_enter(&spa_namespace_lock);
while ((spa = spa_next(spa)) != NULL)
spa->spa_deadman_ziotime = ns;
mutex_exit(&spa_namespace_lock);
}
}
void
spa_set_deadman_synctime(hrtime_t ns)
{
spa_t *spa = NULL;
if (spa_mode_global != SPA_MODE_UNINIT) {
mutex_enter(&spa_namespace_lock);
while ((spa = spa_next(spa)) != NULL)
spa->spa_deadman_synctime = ns;
mutex_exit(&spa_namespace_lock);
}
}
uint64_t
dva_get_dsize_sync(spa_t *spa, const dva_t *dva)
{