diff options
Diffstat (limited to 'block/blk-iopoll.c')
| -rw-r--r-- | block/blk-iopoll.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/block/blk-iopoll.c b/block/blk-iopoll.c index 566db1e7c1c..df6f192c9f6 100644 --- a/block/blk-iopoll.c +++ b/block/blk-iopoll.c @@ -24,9 +24,9 @@ static DEFINE_PER_CPU(struct list_head, blk_cpu_iopoll); * @iop: The parent iopoll structure * * Description: - * Add this blk_iopoll structure to the pending poll list and trigger the raise - * of the blk iopoll softirq. The driver must already have gotten a succesful - * return from blk_iopoll_sched_prep() before calling this. + * Add this blk_iopoll structure to the pending poll list and trigger the + * raise of the blk iopoll softirq. The driver must already have gotten a + * succesful return from blk_iopoll_sched_prep() before calling this. **/ void blk_iopoll_sched(struct blk_iopoll *iop) { @@ -44,7 +44,8 @@ EXPORT_SYMBOL(blk_iopoll_sched); * @iop: The parent iopoll structure * * Description: - * See blk_iopoll_complete(). This function must be called with interrupts disabled. + * See blk_iopoll_complete(). This function must be called with interrupts + * disabled. **/ void __blk_iopoll_complete(struct blk_iopoll *iop) { @@ -59,9 +60,10 @@ EXPORT_SYMBOL(__blk_iopoll_complete); * @iop: The parent iopoll structure * * Description: - * If a driver consumes less than the assigned budget in its run of the iopoll - * handler, it'll end the polled mode by calling this function. The iopoll handler - * will not be invoked again before blk_iopoll_sched_prep() is called. + * If a driver consumes less than the assigned budget in its run of the + * iopoll handler, it'll end the polled mode by calling this function. The + * iopoll handler will not be invoked again before blk_iopoll_sched_prep() + * is called. **/ void blk_iopoll_complete(struct blk_iopoll *iopoll) { @@ -151,13 +153,13 @@ EXPORT_SYMBOL(blk_iopoll_disable); * @iop: The parent iopoll structure * * Description: - * Enable iopoll on this @iop. Note that the handler run will not be scheduled, it - * will only mark it as active. + * Enable iopoll on this @iop. Note that the handler run will not be + * scheduled, it will only mark it as active. **/ void blk_iopoll_enable(struct blk_iopoll *iop) { BUG_ON(!test_bit(IOPOLL_F_SCHED, &iop->state)); - smp_mb__before_clear_bit(); + smp_mb__before_clear_bit(); clear_bit_unlock(IOPOLL_F_SCHED, &iop->state); } EXPORT_SYMBOL(blk_iopoll_enable); @@ -169,8 +171,8 @@ EXPORT_SYMBOL(blk_iopoll_enable); * @poll_fn: The handler to invoke * * Description: - * Initialize this blk_iopoll structure. Before being actively used, the driver - * must call blk_iopoll_enable(). + * Initialize this blk_iopoll structure. Before being actively used, the + * driver must call blk_iopoll_enable(). **/ void blk_iopoll_init(struct blk_iopoll *iop, int weight, blk_iopoll_fn *poll_fn) { |