[dm-devel] [PATCH v5 0/8] dax/pmem: Provide a dax operation to zero range of memory
Vivek Goyal
vgoyal at redhat.com
Tue Feb 18 21:48:33 UTC 2020
Hi,
This is V5 of patches. These patches are also available at.
https://github.com/rhvgoyal/linux/commits/dax-zero-range-v5
Changes since V4:
- Rebased on top of 5.6-rc2
- Added a separate patch so that pmem_clear_poison() accepts arbitrary
offset and len and aligns these as needed. This takes away the burden
of aligning from callers.
Previous versions of patches are here.
v4:
https://lore.kernel.org/linux-fsdevel/20200217181653.4706-1-vgoyal@redhat.com/
v3:
https://lore.kernel.org/linux-fsdevel/20200214125717.GA18654@redhat.com/T/#t
v2:
https://lore.kernel.org/linux-fsdevel/20200203200029.4592-1-vgoyal@redhat.com/
v1:
https://lore.kernel.org/linux-fsdevel/20200123165249.GA7664@redhat.com/
Thanks
Vivek
Vivek Goyal (8):
pmem: Add functions for reading/writing page to/from pmem
drivers/pmem: Allow pmem_clear_poison() to accept arbitrary offset and
len
pmem: Enable pmem_do_write() to deal with arbitrary ranges
dax, pmem: Add a dax operation zero_page_range
s390,dcssblk,dax: Add dax zero_page_range operation to dcssblk driver
dm,dax: Add dax zero_page_range operation
dax,iomap: Start using dax native zero_page_range()
dax,iomap: Add helper dax_iomap_zero() to zero a range
drivers/dax/super.c | 19 +++++
drivers/md/dm-linear.c | 21 ++++++
drivers/md/dm-log-writes.c | 19 +++++
drivers/md/dm-stripe.c | 26 +++++++
drivers/md/dm.c | 31 ++++++++
drivers/nvdimm/pmem.c | 134 +++++++++++++++++++++++-----------
drivers/s390/block/dcssblk.c | 17 +++++
fs/dax.c | 53 ++++----------
fs/iomap/buffered-io.c | 9 +--
include/linux/dax.h | 20 ++---
include/linux/device-mapper.h | 3 +
11 files changed, 246 insertions(+), 106 deletions(-)
--
2.20.1
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