search for: libnvdimm

...lt;pagupta at redhat.com> --- drivers/dax/bus.c | 2 +- drivers/dax/super.c | 13 ++++++++++++- drivers/md/dm.c | 2 +- drivers/nvdimm/pmem.c | 3 ++- drivers/nvdimm/region_devs.c | 7 +++++++ include/linux/dax.h | 9 +++++++-- include/linux/libnvdimm.h | 1 + 7 files changed, 31 insertions(+), 6 deletions(-) diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c index 2109cfe80219..431bf7d2a7f9 100644 --- a/drivers/dax/bus.c +++ b/drivers/dax/bus.c @@ -388,7 +388,7 @@ struct dev_dax *__devm_create_dev_dax(struct dax_region *dax_region, int id,...

...lt;pagupta at redhat.com> --- drivers/dax/bus.c | 2 +- drivers/dax/super.c | 13 ++++++++++++- drivers/md/dm.c | 3 ++- drivers/nvdimm/pmem.c | 3 ++- drivers/nvdimm/region_devs.c | 7 +++++++ include/linux/dax.h | 8 ++++++-- include/linux/libnvdimm.h | 1 + 7 files changed, 31 insertions(+), 6 deletions(-) diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c index 2109cfe80219..5f184e751c82 100644 --- a/drivers/dax/bus.c +++ b/drivers/dax/bus.c @@ -388,7 +388,7 @@ struct dev_dax *__devm_create_dev_dax(struct dax_region *dax_region, int id,...

...;pagupta at redhat.com> --- drivers/dax/bus.c | 2 +- drivers/dax/super.c | 13 ++++++++++++- drivers/md/dm.c | 3 ++- drivers/nvdimm/pmem.c | 5 ++++- drivers/nvdimm/region_devs.c | 7 +++++++ include/linux/dax.h | 8 ++++++-- include/linux/libnvdimm.h | 1 + 7 files changed, 33 insertions(+), 6 deletions(-) diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c index 2109cfe80219..5f184e751c82 100644 --- a/drivers/dax/bus.c +++ b/drivers/dax/bus.c @@ -388,7 +388,7 @@ struct dev_dax *__devm_create_dev_dax(struct dax_region *dax_region, int id,...

...t; drivers/dax/bus.c | 2 +- > drivers/dax/super.c | 13 ++++++++++++- > drivers/md/dm.c | 2 +- > drivers/nvdimm/pmem.c | 3 ++- > drivers/nvdimm/region_devs.c | 7 +++++++ > include/linux/dax.h | 9 +++++++-- > include/linux/libnvdimm.h | 1 + > 7 files changed, 31 insertions(+), 6 deletions(-) > > diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c > index 2109cfe80219..431bf7d2a7f9 100644 > --- a/drivers/dax/bus.c > +++ b/drivers/dax/bus.c > @@ -388,7 +388,7 @@ struct dev_dax *__devm_create_dev_dax(stru...

...off-by: Pankaj Gupta <pagupta at redhat.com> --- drivers/acpi/nfit/core.c | 4 ++-- drivers/nvdimm/claim.c | 6 ++++-- drivers/nvdimm/nd.h | 1 + drivers/nvdimm/pmem.c | 13 ++++++++----- drivers/nvdimm/region_devs.c | 26 ++++++++++++++++++++++++-- include/linux/libnvdimm.h | 8 +++++++- 6 files changed, 46 insertions(+), 12 deletions(-) diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index 5a389a4f4f65..08dde76cf459 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -2434,7 +2434,7 @@ static void write_blk_ctl(struct nfit_...

...nkaj Gupta <pagupta at redhat.com> --- drivers/acpi/nfit/core.c | 4 ++-- drivers/nvdimm/claim.c | 6 ++++-- drivers/nvdimm/nd.h | 1 + drivers/nvdimm/pmem.c | 14 ++++++++----- drivers/nvdimm/region_devs.c | 38 ++++++++++++++++++++++++++++++++++-- include/linux/libnvdimm.h | 8 +++++++- 6 files changed, 59 insertions(+), 12 deletions(-) diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index 5a389a4f4f65..567017a2190e 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -2434,7 +2434,7 @@ static void write_blk_ctl(struct nfit_...

...drivers/dax/bus.c | 2 +- > drivers/dax/super.c | 13 ++++++++++++- > drivers/md/dm.c | 3 ++- > drivers/nvdimm/pmem.c | 5 ++++- > drivers/nvdimm/region_devs.c | 7 +++++++ > include/linux/dax.h | 8 ++++++-- > include/linux/libnvdimm.h | 1 + > 7 files changed, 33 insertions(+), 6 deletions(-) [..] > diff --git a/drivers/md/dm.c b/drivers/md/dm.c > index 043f0761e4a0..ee007b75d9fd 100644 > --- a/drivers/md/dm.c > +++ b/drivers/md/dm.c > @@ -1969,7 +1969,8 @@ static struct mapped_device *alloc_dev(int minor...

...drivers/dax/bus.c | 2 +- > drivers/dax/super.c | 13 ++++++++++++- > drivers/md/dm.c | 3 ++- > drivers/nvdimm/pmem.c | 5 ++++- > drivers/nvdimm/region_devs.c | 7 +++++++ > include/linux/dax.h | 8 ++++++-- > include/linux/libnvdimm.h | 1 + > 7 files changed, 33 insertions(+), 6 deletions(-) [..] > diff --git a/drivers/md/dm.c b/drivers/md/dm.c > index 043f0761e4a0..ee007b75d9fd 100644 > --- a/drivers/md/dm.c > +++ b/drivers/md/dm.c > @@ -1969,7 +1969,8 @@ static struct mapped_device *alloc_dev(int minor...

...redhat.com> > --- > drivers/acpi/nfit/core.c | 4 ++-- > drivers/nvdimm/claim.c | 6 ++++-- > drivers/nvdimm/nd.h | 1 + > drivers/nvdimm/pmem.c | 13 ++++++++----- > drivers/nvdimm/region_devs.c | 26 ++++++++++++++++++++++++-- > include/linux/libnvdimm.h | 8 +++++++- > 6 files changed, 46 insertions(+), 12 deletions(-) > > diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c > index 5a389a4f4f65..08dde76cf459 100644 > --- a/drivers/acpi/nfit/core.c > +++ b/drivers/acpi/nfit/core.c > @@ -2434,7 +2434,7 @@ stat...

...| 2 +- > > drivers/dax/super.c | 13 ++++++++++++- > > drivers/md/dm.c | 3 ++- > > drivers/nvdimm/pmem.c | 5 ++++- > > drivers/nvdimm/region_devs.c | 7 +++++++ > > include/linux/dax.h | 8 ++++++-- > > include/linux/libnvdimm.h | 1 + > > 7 files changed, 33 insertions(+), 6 deletions(-) > [..] > > diff --git a/drivers/md/dm.c b/drivers/md/dm.c > > index 043f0761e4a0..ee007b75d9fd 100644 > > --- a/drivers/md/dm.c > > +++ b/drivers/md/dm.c > > @@ -1969,7 +1969,8 @@ static struct...

...13 ++++++++++++- > > > > drivers/md/dm.c | 3 ++- > > > > drivers/nvdimm/pmem.c | 5 ++++- > > > > drivers/nvdimm/region_devs.c | 7 +++++++ > > > > include/linux/dax.h | 8 ++++++-- > > > > include/linux/libnvdimm.h | 1 + > > > > 7 files changed, 33 insertions(+), 6 deletions(-) > > > [..] > > > > diff --git a/drivers/md/dm.c b/drivers/md/dm.c > > > > index 043f0761e4a0..ee007b75d9fd 100644 > > > > --- a/drivers/md/dm.c > > > > +++ b/d...

...rs/dax/super.c | 13 ++++++++++++- > > > drivers/md/dm.c | 3 ++- > > > drivers/nvdimm/pmem.c | 5 ++++- > > > drivers/nvdimm/region_devs.c | 7 +++++++ > > > include/linux/dax.h | 8 ++++++-- > > > include/linux/libnvdimm.h | 1 + > > > 7 files changed, 33 insertions(+), 6 deletions(-) > > [..] > > > diff --git a/drivers/md/dm.c b/drivers/md/dm.c > > > index 043f0761e4a0..ee007b75d9fd 100644 > > > --- a/drivers/md/dm.c > > > +++ b/drivers/md/dm.c > > >...

On Wed 10-04-19 09:38:23, Pankaj Gupta wrote: > @@ -64,6 +65,10 @@ static inline bool dax_write_cache_enabled(struct dax_device *dax_dev) > { > return false; > } > +static inline bool dax_synchronous(struct dax_device *dax_dev) > +{ > + return true; > +} Is there a need to define dax_synchronous() for !CONFIG_DAX? Because that property of dax device is pretty much

On Thu 11-04-19 07:51:48, Dan Williams wrote: > On Tue, Apr 9, 2019 at 9:09 PM Pankaj Gupta <pagupta at redhat.com> wrote: > > + } else { > > + if (nd_region->flush(nd_region)) > > + rc = -EIO; > > Given the common case wants to be fast and synchronous I think we > should try to avoid retpoline overhead by default.

On Fri, Apr 12, 2019 at 6:12 AM Jeff Moyer <jmoyer at redhat.com> wrote: > > Jan Kara <jack at suse.cz> writes: > > > On Thu 11-04-19 07:51:48, Dan Williams wrote: > >> On Tue, Apr 9, 2019 at 9:09 PM Pankaj Gupta <pagupta at redhat.com> wrote: > >> > + } else { > >> > + if (nd_region->flush(nd_region)) >

On Thu, Apr 18, 2019 at 9:18 AM Christoph Hellwig <hch at infradead.org> wrote: > > On Thu, Apr 18, 2019 at 09:05:05AM -0700, Dan Williams wrote: > > > > I'd either add a comment about avoiding retpoline overhead here or just > > > > make ->flush == NULL mean generic_nvdimm_flush(). Just so that people don't > > > > get confused by the

On Mon, Apr 22, 2019 at 8:59 AM Jeff Moyer <jmoyer at redhat.com> wrote: > > Dan Williams <dan.j.williams at intel.com> writes: > > > On Thu, Apr 18, 2019 at 9:18 AM Christoph Hellwig <hch at infradead.org> wrote: > >> > >> On Thu, Apr 18, 2019 at 09:05:05AM -0700, Dan Williams wrote: > >> > > > I'd either add a comment about

On Thu, Apr 25, 2019 at 10:02 PM Pankaj Gupta <pagupta at redhat.com> wrote: > > This patch adds 'DAXDEV_SYNC' flag which is set > for nd_region doing synchronous flush. This later > is used to disable MAP_SYNC functionality for > ext4 & xfs filesystem for devices don't support > synchronous flush. > > Signed-off-by: Pankaj Gupta <pagupta at

On Mon, May 13, 2019 at 10:32 AM Pankaj Gupta <pagupta at redhat.com> wrote: > > > Hi Dan, > > While testing device mapper with DAX, I faced a bug with the commit: > > commit ad428cdb525a97d15c0349fdc80f3d58befb50df > Author: Dan Williams <dan.j.williams at intel.com> > Date: Wed Feb 20 21:12:50 2019 -0800 > > When I reverted the condition to old

> > > > This patch adds functionality to perform flush from guest > > to host over VIRTIO. We are registering a callback based > > on 'nd_region' type. virtio_pmem driver requires this special > > flush function. For rest of the region types we are registering > > existing flush function. Report error returned by host fsync > > failure to