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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-04-23 19:16:37 (GMT) |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-04-23 19:16:37 (GMT) |
| commit | f139b6c676c7e49b66016b28bf3f8ec5c54be891 (patch) | |
| tree | 742f00e431dded1daf642b44f4c199b318f255dc /block | |
| parent | 21330b667070fd64b2340d8d31c1b0800df78ec8 (diff) | |
| parent | d654788e98f74f2df8dfc6079fa314938f739486 (diff) | |
| download | linux-f139b6c676c7e49b66016b28bf3f8ec5c54be891.tar.xz | |
Merge tag 'nfs-rdma-for-4.1-1' of git://git.linux-nfs.org/projects/anna/nfs-rdma
NFS: NFSoRDMA Client Changes
This patch series creates an operation vector for each of the different
memory registration modes. This should make it easier to one day increase
credit limit, rsize, and wsize.
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-merge.c | 2 | ||||
| -rw-r--r-- | block/blk-mq-tag.c | 6 | ||||
| -rw-r--r-- | block/blk-mq.c | 6 |
3 files changed, 8 insertions, 6 deletions
diff --git a/block/blk-merge.c b/block/blk-merge.c index fc1ff3b..fd3fee8 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -592,7 +592,7 @@ bool blk_rq_merge_ok(struct request *rq, struct bio *bio) if (q->queue_flags & (1 << QUEUE_FLAG_SG_GAPS)) { struct bio_vec *bprev; - bprev = &rq->biotail->bi_io_vec[bio->bi_vcnt - 1]; + bprev = &rq->biotail->bi_io_vec[rq->biotail->bi_vcnt - 1]; if (bvec_gap_to_prev(bprev, bio->bi_io_vec[0].bv_offset)) return false; } diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c index d53a764..be3290c 100644 --- a/block/blk-mq-tag.c +++ b/block/blk-mq-tag.c @@ -278,9 +278,11 @@ static int bt_get(struct blk_mq_alloc_data *data, /* * We're out of tags on this hardware queue, kick any * pending IO submits before going to sleep waiting for - * some to complete. + * some to complete. Note that hctx can be NULL here for + * reserved tag allocation. */ - blk_mq_run_hw_queue(hctx, false); + if (hctx) + blk_mq_run_hw_queue(hctx, false); /* * Retry tag allocation after running the hardware queue, diff --git a/block/blk-mq.c b/block/blk-mq.c index 4f4bea2..b7b8933 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1938,7 +1938,7 @@ struct request_queue *blk_mq_init_queue(struct blk_mq_tag_set *set) */ if (percpu_ref_init(&q->mq_usage_counter, blk_mq_usage_counter_release, PERCPU_REF_INIT_ATOMIC, GFP_KERNEL)) - goto err_map; + goto err_mq_usage; setup_timer(&q->timeout, blk_mq_rq_timer, (unsigned long) q); blk_queue_rq_timeout(q, 30000); @@ -1981,7 +1981,7 @@ struct request_queue *blk_mq_init_queue(struct blk_mq_tag_set *set) blk_mq_init_cpu_queues(q, set->nr_hw_queues); if (blk_mq_init_hw_queues(q, set)) - goto err_hw; + goto err_mq_usage; mutex_lock(&all_q_mutex); list_add_tail(&q->all_q_node, &all_q_list); @@ -1993,7 +1993,7 @@ struct request_queue *blk_mq_init_queue(struct blk_mq_tag_set *set) return q; -err_hw: +err_mq_usage: blk_cleanup_queue(q); err_hctxs: kfree(map); |