X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=block%2Fblk-core.c;h=2cba5ef97b2b3a6d49559c8923a87e1ec128c2fa;hb=bcbc713470283bc82d043fd23b02e41a9eb8dee5;hp=fef79ccb2a118da2f6f3144c993c8338c7205351;hpb=f39548a6ad1dbdfaab552419386ec5bb1d76fa0d;p=linux-2.6 diff --git a/block/blk-core.c b/block/blk-core.c index fef79ccb2a..2cba5ef97b 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -212,6 +212,24 @@ void blk_plug_device(struct request_queue *q) } EXPORT_SYMBOL(blk_plug_device); +/** + * blk_plug_device_unlocked - plug a device without queue lock held + * @q: The &struct request_queue to plug + * + * Description: + * Like @blk_plug_device(), but grabs the queue lock and disables + * interrupts. + **/ +void blk_plug_device_unlocked(struct request_queue *q) +{ + unsigned long flags; + + spin_lock_irqsave(q->queue_lock, flags); + blk_plug_device(q); + spin_unlock_irqrestore(q->queue_lock, flags); +} +EXPORT_SYMBOL(blk_plug_device_unlocked); + /* * remove the queue from the plugged list, if present. called with * queue lock held and interrupts disabled. @@ -564,6 +582,8 @@ blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id) q->sg_reserved_size = INT_MAX; + blk_set_cmd_filter_defaults(&q->cmd_filter); + /* * all done */