diff options
| author | Kevin Hao <haokexin@gmail.com> | 2019-10-18 10:53:14 +0800 |
|---|---|---|
| committer | Keith Busch <kbusch@kernel.org> | 2019-10-18 23:09:41 +0900 |
| commit | a4f40484e7f1dff56bb9f286cc59ffa36e0259eb (patch) | |
| tree | 5acd12c4cc9d9ce326cc62bf9d75afe8ac0d0719 /mm/zpool.c | |
| parent | 28a4cac48c7e897a0b4e7d79a53a8e4fe40337ae (diff) | |
nvme-pci: Set the prp2 correctly when using more than 4k page
In the current code, the nvme is using a fixed 4k PRP entry size,
but if the kernel use a page size which is more than 4k, we should
consider the situation that the bv_offset may be larger than the
dev->ctrl.page_size. Otherwise we may miss setting the prp2 and then
cause the command can't be executed correctly.
Fixes: dff824b2aadb ("nvme-pci: optimize mapping of small single segment requests")
Cc: stable@vger.kernel.org
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Kevin Hao <haokexin@gmail.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Diffstat (limited to 'mm/zpool.c')
0 files changed, 0 insertions, 0 deletions