diff options
| -rw-r--r-- | module/zfs/zvol.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/module/zfs/zvol.c b/module/zfs/zvol.c index 9b1313402..9dd9547e2 100644 --- a/module/zfs/zvol.c +++ b/module/zfs/zvol.c @@ -1390,8 +1390,14 @@ zvol_init(void) { int error; + /* + * The zvol taskqs are created with TASKQ_NORECLAIM so they may be + * used safely as a swap device. If direct reclaim is allowed then + * they quickly deadlock in one of the internal memory allocations. + */ zvol_taskq = taskq_create(ZVOL_DRIVER, zvol_threads, maxclsyspri, - zvol_threads, INT_MAX, TASKQ_PREPOPULATE); + zvol_threads, INT_MAX, + TASKQ_PREPOPULATE | TASKQ_NORECLAIM); if (zvol_taskq == NULL) { printk(KERN_INFO "ZFS: taskq_create() failed\n"); return (-ENOMEM); |