Re: [V5 PATCH 0/3] lightnvm: pblk: take write semaphore on metadata

From: Matias BjÃrling
Date: Mon Sep 17 2018 - 04:11:09 EST


On 09/11/2018 01:24 PM, Javier GonzÃlez wrote:
# Changes since V4:
- Rebase on top of Matias' core
- Reorder patches to avoid in-patchset changes

# Changes since V3:
- Encapsulate rqd dma allocations to reduce code replication (by Matias)

# Changes since V2:
- Split the original patch between the metadata refactoring and the
semaphore logic. This simplifies the write path, where the semaphore
is taken.

# Changes singe V1:
- Fix double I/O on the read path (by Matias)
- Improve commit message (by Jens)

This patchset refactors the metadata separate write and read paths,
which simplifies how the semaphore is taken for writes.

Thanks,
Javier

Javier GonzÃlez (3):
lightnvm: encapsule rqd dma allocations
lightnvm: pblk: refactor metadata paths
lightnvm: pblk: take write semaphore on metadata

drivers/lightnvm/pblk-core.c | 376 ++++++++++++++++++++-------------------
drivers/lightnvm/pblk-gc.c | 2 +-
drivers/lightnvm/pblk-read.c | 31 ++--
drivers/lightnvm/pblk-recovery.c | 34 ++--
drivers/lightnvm/pblk-write.c | 15 +-
drivers/lightnvm/pblk.h | 7 +-
6 files changed, 222 insertions(+), 243 deletions(-)


Thanks. Applied for 4.20. I've renamed the first patch to "lightnvm: pblk: encapsulate rqd dma allocations".