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| author | Christoph Hellwig <hch@lst.de> | 2014-04-15 14:14:00 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2014-04-15 14:18:02 -0600 |
| commit | 24d2f90309b23f2cfe016b2aebc5f0d6e01c57fd (patch) | |
| tree | 10307829129eb8f96facbb89fefbba3c0032fb46 /block/blk-mq-cpumap.c | |
| parent | ed44832dea8a74f909e0187f350201402927f5e5 (diff) | |
| download | lwn-24d2f90309b23f2cfe016b2aebc5f0d6e01c57fd.tar.gz lwn-24d2f90309b23f2cfe016b2aebc5f0d6e01c57fd.zip | |
blk-mq: split out tag initialization, support shared tags
Add a new blk_mq_tag_set structure that gets set up before we initialize
the queue. A single blk_mq_tag_set structure can be shared by multiple
queues.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Modular export of blk_mq_{alloc,free}_tagset added by me.
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-mq-cpumap.c')
| -rw-r--r-- | block/blk-mq-cpumap.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/block/blk-mq-cpumap.c b/block/blk-mq-cpumap.c index 097921329619..5d0f93cf358c 100644 --- a/block/blk-mq-cpumap.c +++ b/block/blk-mq-cpumap.c @@ -80,17 +80,17 @@ int blk_mq_update_queue_map(unsigned int *map, unsigned int nr_queues) return 0; } -unsigned int *blk_mq_make_queue_map(struct blk_mq_reg *reg) +unsigned int *blk_mq_make_queue_map(struct blk_mq_tag_set *set) { unsigned int *map; /* If cpus are offline, map them to first hctx */ map = kzalloc_node(sizeof(*map) * num_possible_cpus(), GFP_KERNEL, - reg->numa_node); + set->numa_node); if (!map) return NULL; - if (!blk_mq_update_queue_map(map, reg->nr_hw_queues)) + if (!blk_mq_update_queue_map(map, set->nr_hw_queues)) return map; kfree(map); |