diff options
Diffstat (limited to 'block/ll_rw_blk.c')
| -rw-r--r-- | block/ll_rw_blk.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c index 465b54312c59..17c42ddd31db 100644 --- a/block/ll_rw_blk.c +++ b/block/ll_rw_blk.c @@ -1663,6 +1663,8 @@ static void blk_unplug_timeout(unsigned long data) **/ void blk_start_queue(request_queue_t *q) { + WARN_ON(!irqs_disabled()); + clear_bit(QUEUE_FLAG_STOPPED, &q->queue_flags); /* @@ -1878,7 +1880,8 @@ EXPORT_SYMBOL(blk_alloc_queue_node); * get dealt with eventually. * * The queue spin lock must be held while manipulating the requests on the - * request queue. + * request queue; this lock will be taken also from interrupt context, so irq + * disabling is needed for it. * * Function returns a pointer to the initialized request queue, or NULL if * it didn't succeed. |