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authorIgor Konopko <igor.j.konopko@intel.com>2019-05-04 20:37:55 +0200
committerJens Axboe <axboe@kernel.dk>2019-05-06 10:19:17 -0600
commita14669ebc0e294f19b2290c294958b7741559d9d (patch)
tree833538849f051b5ebe5ba8509a64453ef7653e6d /mm/swap_state.c
parentd38954ed1b76a2814057cd4af92c6966bceb3d3c (diff)
downloadlinux-a14669ebc0e294f19b2290c294958b7741559d9d.tar.bz2
lightnvm: Inherit mdts from the parent nvme device
Current lightnvm and pblk implementation does not care about NVMe max data transfer size, which can be smaller than 64*K=256K. There are existing NVMe controllers which NVMe max data transfer size is lower that 256K (for example 128K, which happens for existing NVMe controllers which are NVMe spec compliant). Such a controllers are not able to handle command which contains 64 PPAs, since the the size of DMAed buffer will be above the capabilities of such a controller. Signed-off-by: Igor Konopko <igor.j.konopko@intel.com> Reviewed-by: Hans Holmberg <hans.holmberg@cnexlabs.com> Reviewed-by: Javier González <javier@javigon.com> Signed-off-by: Matias Bjørling <mb@lightnvm.io> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'mm/swap_state.c')
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