diff options
Diffstat (limited to 'module/zfs')
| -rw-r--r-- | module/zfs/spa_misc.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/module/zfs/spa_misc.c b/module/zfs/spa_misc.c index fa9bdd7b8..c39c137e6 100644 --- a/module/zfs/spa_misc.c +++ b/module/zfs/spa_misc.c @@ -298,6 +298,12 @@ int zfs_free_leak_on_eio = B_FALSE; unsigned long zfs_deadman_synctime_ms = 1000000ULL; /* + * Check time in milliseconds. This defines the frequency at which we check + * for hung I/O. + */ +unsigned long zfs_deadman_checktime_ms = 5000ULL; + +/* * By default the deadman is enabled. */ int zfs_deadman_enabled = 1; @@ -524,6 +530,10 @@ spa_deadman(void *arg) { spa_t *spa = arg; + /* Disable the deadman if the pool is suspended. */ + if (spa_suspended(spa)) + return; + zfs_dbgmsg("slow spa_sync: started %llu seconds ago, calls %llu", (gethrtime() - spa->spa_sync_starttime) / NANOSEC, ++spa->spa_deadman_calls); @@ -532,7 +542,7 @@ spa_deadman(void *arg) spa->spa_deadman_tqid = taskq_dispatch_delay(system_delay_taskq, spa_deadman, spa, TQ_SLEEP, ddi_get_lbolt() + - NSEC_TO_TICK(spa->spa_deadman_synctime)); + MSEC_TO_TICK(zfs_deadman_checktime_ms)); } /* @@ -2114,6 +2124,10 @@ MODULE_PARM_DESC(zfs_free_leak_on_eio, module_param(zfs_deadman_synctime_ms, ulong, 0644); MODULE_PARM_DESC(zfs_deadman_synctime_ms, "Expiration time in milliseconds"); +module_param(zfs_deadman_checktime_ms, ulong, 0644); +MODULE_PARM_DESC(zfs_deadman_checktime_ms, + "Dead I/O check interval in milliseconds"); + module_param(zfs_deadman_enabled, int, 0644); MODULE_PARM_DESC(zfs_deadman_enabled, "Enable deadman timer"); |