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authorJens Axboe <axboe@fb.com>2014-06-24 16:22:24 -0600
committerJens Axboe <axboe@fb.com>2014-06-24 16:22:24 -0600
commit66cb45aa41315d1d9972cada354fbdf7870d7714 (patch)
tree5ca5ef3c31f24a7a11989d8a6a163eed9aaf9528 /README
parent3a4b0eda8e4b27e6aca86f9f4d327c1070815e30 (diff)
downloadop-kernel-dev-66cb45aa41315d1d9972cada354fbdf7870d7714.zip
op-kernel-dev-66cb45aa41315d1d9972cada354fbdf7870d7714.tar.gz
block: add support for limiting gaps in SG lists
Another restriction inherited for NVMe - those devices don't support SG lists that have "gaps" in them. Gaps refers to cases where the previous SG entry doesn't end on a page boundary. For NVMe, all SG entries must start at offset 0 (except the first) and end on a page boundary (except the last). Signed-off-by: Jens Axboe <axboe@fb.com>
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