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| author | Ingo Molnar | 2013-12-16 14:51:32 +0100 |
|---|---|---|
| committer | Ingo Molnar | 2013-12-16 14:51:32 +0100 |
| commit | fe361cfcf40ad4612226347573a8669cd0d44799 (patch) | |
| tree | e874ef5a29c3bfe3dd67dc2d8962562c00fc8e3a /drivers/block/null_blk.c | |
| parent | perf: Optimize ring-buffer write by depending on control dependencies (diff) | |
| parent | Linux 3.13-rc4 (diff) | |
| download | kernel-qcow2-linux-fe361cfcf40ad4612226347573a8669cd0d44799.tar.gz kernel-qcow2-linux-fe361cfcf40ad4612226347573a8669cd0d44799.tar.xz kernel-qcow2-linux-fe361cfcf40ad4612226347573a8669cd0d44799.zip | |
Merge tag 'v3.13-rc4' into perf/core
Merge Linux 3.13-rc4, to refresh this branch with the latest fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/block/null_blk.c')
| -rw-r--r-- | drivers/block/null_blk.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c index b5d842370cc9..f370fc13aea5 100644 --- a/drivers/block/null_blk.c +++ b/drivers/block/null_blk.c @@ -223,7 +223,7 @@ static void null_softirq_done_fn(struct request *rq) blk_end_request_all(rq, 0); } -#if defined(CONFIG_SMP) && defined(CONFIG_USE_GENERIC_SMP_HELPERS) +#ifdef CONFIG_SMP static void null_ipi_cmd_end_io(void *data) { @@ -260,7 +260,7 @@ static void null_cmd_end_ipi(struct nullb_cmd *cmd) put_cpu(); } -#endif /* CONFIG_SMP && CONFIG_USE_GENERIC_SMP_HELPERS */ +#endif /* CONFIG_SMP */ static inline void null_handle_cmd(struct nullb_cmd *cmd) { @@ -270,7 +270,7 @@ static inline void null_handle_cmd(struct nullb_cmd *cmd) end_cmd(cmd); break; case NULL_IRQ_SOFTIRQ: -#if defined(CONFIG_SMP) && defined(CONFIG_USE_GENERIC_SMP_HELPERS) +#ifdef CONFIG_SMP null_cmd_end_ipi(cmd); #else end_cmd(cmd); @@ -495,23 +495,23 @@ static int null_add_dev(void) spin_lock_init(&nullb->lock); + if (queue_mode == NULL_Q_MQ && use_per_node_hctx) + submit_queues = nr_online_nodes; + if (setup_queues(nullb)) goto err; if (queue_mode == NULL_Q_MQ) { null_mq_reg.numa_node = home_node; null_mq_reg.queue_depth = hw_queue_depth; + null_mq_reg.nr_hw_queues = submit_queues; if (use_per_node_hctx) { null_mq_reg.ops->alloc_hctx = null_alloc_hctx; null_mq_reg.ops->free_hctx = null_free_hctx; - - null_mq_reg.nr_hw_queues = nr_online_nodes; } else { null_mq_reg.ops->alloc_hctx = blk_mq_alloc_single_hw_queue; null_mq_reg.ops->free_hctx = blk_mq_free_single_hw_queue; - - null_mq_reg.nr_hw_queues = submit_queues; } nullb->q = blk_mq_init_queue(&null_mq_reg, nullb); @@ -571,7 +571,7 @@ static int __init null_init(void) { unsigned int i; -#if !defined(CONFIG_SMP) || !defined(CONFIG_USE_GENERIC_SMP_HELPERS) +#if !defined(CONFIG_SMP) if (irqmode == NULL_IRQ_SOFTIRQ) { pr_warn("null_blk: softirq completions not available.\n"); pr_warn("null_blk: using direct completions.\n"); |