Hi, This is V4 of patches. These patches are also available at. https://github.com/rhvgoyal/linux/commits/dax-zero-range-v4 Changes since V3. - Rebased patches on top of 5.6-rc1 - Took care of some of the comments from Christoph. - Captured some Reviewed-by tags in some of the patches. Previous version of patches are here. v3: https://lore.kernel.org/linux-fsdevel/20200214125717.GA18654@xxxxxxxxxx/T/#t v2: https://lore.kernel.org/linux-fsdevel/20200203200029.4592-1-vgoyal@xxxxxxxxxx/ v1: https://lore.kernel.org/linux-fsdevel/20200123165249.GA7664@xxxxxxxxxx/ Thanks Vivek Vivek Goyal (7): pmem: Add functions for reading/writing page to/from pmem 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 | 115 +++++++++++++++++++++++----------- 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, 233 insertions(+), 100 deletions(-) -- 2.20.1
