nvme/util: support multi-page prplists in PRP - #64
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add @nprplists to nvme_map_prp/nvme_mapv_prp so the prplist can be chained across multiple pages provided by the caller. the rq helpers keep using a single page and reject buffers that don't fit, which fixes the overrun that the previous attempt Commit 6763e31 ("nvme/util: support multi-page prplists in PRP") had by walking past the single-page rq->page slice into the next request's memory. Fixes: 6763e31 ("nvme/util: support multi-page prplists in PRP") Link: SamsungDS#53 Signed-off-by: Minwoo Im <minwoo.im@samsung.com>
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A couple more miscelanous fixes
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add @nprplists to nvme_map_prp/nvme_mapv_prp so the prplist can be chained across multiple pages provided by the caller. the rq helpers keep using a single page and reject buffers that don't fit, which fixes the overrun that the previous attempt Commit 6763e31 ("nvme/util: support multi-page prplists in PRP") had by walking past the single-page rq->page slice into the next request's memory.
Fixes: 6763e31 ("nvme/util: support multi-page prplists in PRP")
Link: #53