This series of patches extends the way how pblk can store L2P sector metadata. After this set of changes any size of NVMe metadata (including 0) is supported. Patches are rebased on top of block/for-next since there was no ocssd/for-4.21 branch yet. Changes v1 --> v2: -Revert sector meta size back to 16b for pblk -Dma pool for larger oob meta are handled in core instead of pblk -Pblk oob meta helpers uses __le64 as input outpu instead of u64 -Other minor fixes based on v1 patch review Igor Konopko (5): lightnvm: pblk: Move lba list to partial read context lightnvm: pblk: Helpers for OOB metadata lightnvm: Flexible DMA pool entry size lightnvm: Disable interleaved metadata lightnvm: pblk: Support for packed metadata drivers/lightnvm/core.c | 45 +++++++++++++++++++++++---- drivers/lightnvm/pblk-core.c | 66 ++++++++++++++++++++++++++++++++++------ drivers/lightnvm/pblk-init.c | 43 ++++++++++++++++++++++++-- drivers/lightnvm/pblk-map.c | 20 +++++++----- drivers/lightnvm/pblk-rb.c | 3 ++ drivers/lightnvm/pblk-read.c | 63 +++++++++++++++++++++----------------- drivers/lightnvm/pblk-recovery.c | 22 ++++++++------ drivers/lightnvm/pblk-sysfs.c | 7 +++++ drivers/lightnvm/pblk-write.c | 14 ++++++--- drivers/lightnvm/pblk.h | 47 ++++++++++++++++++++++++++-- drivers/nvme/host/lightnvm.c | 9 ++++-- include/linux/lightnvm.h | 5 ++- 12 files changed, 272 insertions(+), 72 deletions(-) -- 2.14.4
