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nvme: clamp io_queue_size to valid range

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I/O queues must have at least 2 entries.

Change-Id: Ib11b08fab4b518501f8ce80d6b73d9e33c9777a6
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This commit is contained in:
Daniel Verkamp 2017-03-03 12:04:03 -07:00
parent 37ccb50c50
commit cb0538aefb
1 changed files with 1 additions and 0 deletions
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lib/nvme/nvme_ctrlr.c
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@ -1337,6 +1337,7 @@ nvme_ctrlr_init_cap(struct spdk_nvme_ctrlr *ctrlr, const union spdk_nvme_cap_reg
ctrlr->min_page_size = 1u << (12 + ctrlr->cap.bits.mpsmin);
ctrlr->opts.io_queue_size = spdk_max(ctrlr->opts.io_queue_size, SPDK_NVME_IO_QUEUE_MIN_ENTRIES);
ctrlr->opts.io_queue_size = spdk_min(ctrlr->opts.io_queue_size, ctrlr->cap.bits.mqes + 1u);
ctrlr->opts.io_queue_size = spdk_min(ctrlr->opts.io_queue_size, max_io_queue_size);
}