| Message ID | 157309900111.1582359.2445687530383470348.stgit@dwillia2-desk3.amr.corp.intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Memory Hierarchy: Enable target node lookups for reserved memory | expand |
Dan Williams <dan.j.williams@intel.com> writes: > Statically initialize the attribute groups for each libnvdimm > device_type. This is a preparation step for removing unnecessary exports > of attributes that can be included in the device_type by default. > > Also take the opportunity to mark 'struct device_type' instances const. Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> > > Cc: Ira Weiny <ira.weiny@intel.com> > Cc: Vishal Verma <vishal.l.verma@intel.com> > Signed-off-by: Dan Williams <dan.j.williams@intel.com> > --- > drivers/nvdimm/btt_devs.c | 24 +++++++------- > drivers/nvdimm/dax_devs.c | 27 ++++++--------- > drivers/nvdimm/namespace_devs.c | 68 +++++++++++++++++++++------------------ > drivers/nvdimm/nd.h | 2 + > drivers/nvdimm/pfn_devs.c | 28 ++++++++-------- > 5 files changed, 73 insertions(+), 76 deletions(-) > > diff --git a/drivers/nvdimm/btt_devs.c b/drivers/nvdimm/btt_devs.c > index 3508a79110c7..05feb97e11ce 100644 > --- a/drivers/nvdimm/btt_devs.c > +++ b/drivers/nvdimm/btt_devs.c > @@ -25,17 +25,6 @@ static void nd_btt_release(struct device *dev) > kfree(nd_btt); > } > > -static struct device_type nd_btt_device_type = { > - .name = "nd_btt", > - .release = nd_btt_release, > -}; > - > -bool is_nd_btt(struct device *dev) > -{ > - return dev->type == &nd_btt_device_type; > -} > -EXPORT_SYMBOL(is_nd_btt); > - > struct nd_btt *to_nd_btt(struct device *dev) > { > struct nd_btt *nd_btt = container_of(dev, struct nd_btt, dev); > @@ -178,6 +167,18 @@ static const struct attribute_group *nd_btt_attribute_groups[] = { > NULL, > }; > > +static const struct device_type nd_btt_device_type = { > + .name = "nd_btt", > + .release = nd_btt_release, > + .groups = nd_btt_attribute_groups, > +}; > + > +bool is_nd_btt(struct device *dev) > +{ > + return dev->type == &nd_btt_device_type; > +} > +EXPORT_SYMBOL(is_nd_btt); > + > static struct device *__nd_btt_create(struct nd_region *nd_region, > unsigned long lbasize, u8 *uuid, > struct nd_namespace_common *ndns) > @@ -204,7 +205,6 @@ static struct device *__nd_btt_create(struct nd_region *nd_region, > dev_set_name(dev, "btt%d.%d", nd_region->id, nd_btt->id); > dev->parent = &nd_region->dev; > dev->type = &nd_btt_device_type; > - dev->groups = nd_btt_attribute_groups; > device_initialize(&nd_btt->dev); > if (ndns && !__nd_attach_ndns(&nd_btt->dev, ndns, &nd_btt->ndns)) { > dev_dbg(&ndns->dev, "failed, already claimed by %s\n", > diff --git a/drivers/nvdimm/dax_devs.c b/drivers/nvdimm/dax_devs.c > index 6d22b0f83b3b..99965077bac4 100644 > --- a/drivers/nvdimm/dax_devs.c > +++ b/drivers/nvdimm/dax_devs.c > @@ -23,17 +23,6 @@ static void nd_dax_release(struct device *dev) > kfree(nd_dax); > } > > -static struct device_type nd_dax_device_type = { > - .name = "nd_dax", > - .release = nd_dax_release, > -}; > - > -bool is_nd_dax(struct device *dev) > -{ > - return dev ? dev->type == &nd_dax_device_type : false; > -} > -EXPORT_SYMBOL(is_nd_dax); > - > struct nd_dax *to_nd_dax(struct device *dev) > { > struct nd_dax *nd_dax = container_of(dev, struct nd_dax, nd_pfn.dev); > @@ -43,13 +32,18 @@ struct nd_dax *to_nd_dax(struct device *dev) > } > EXPORT_SYMBOL(to_nd_dax); > > -static const struct attribute_group *nd_dax_attribute_groups[] = { > - &nd_pfn_attribute_group, > - &nd_device_attribute_group, > - &nd_numa_attribute_group, > - NULL, > +static const struct device_type nd_dax_device_type = { > + .name = "nd_dax", > + .release = nd_dax_release, > + .groups = nd_pfn_attribute_groups, > }; > > +bool is_nd_dax(struct device *dev) > +{ > + return dev ? dev->type == &nd_dax_device_type : false; > +} > +EXPORT_SYMBOL(is_nd_dax); > + > static struct nd_dax *nd_dax_alloc(struct nd_region *nd_region) > { > struct nd_pfn *nd_pfn; > @@ -69,7 +63,6 @@ static struct nd_dax *nd_dax_alloc(struct nd_region *nd_region) > > dev = &nd_pfn->dev; > dev_set_name(dev, "dax%d.%d", nd_region->id, nd_pfn->id); > - dev->groups = nd_dax_attribute_groups; > dev->type = &nd_dax_device_type; > dev->parent = &nd_region->dev; > > diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c > index cca0a3ba1d2c..37471a272c1a 100644 > --- a/drivers/nvdimm/namespace_devs.c > +++ b/drivers/nvdimm/namespace_devs.c > @@ -44,35 +44,9 @@ static void namespace_blk_release(struct device *dev) > kfree(nsblk); > } > > -static const struct device_type namespace_io_device_type = { > - .name = "nd_namespace_io", > - .release = namespace_io_release, > -}; > - > -static const struct device_type namespace_pmem_device_type = { > - .name = "nd_namespace_pmem", > - .release = namespace_pmem_release, > -}; > - > -static const struct device_type namespace_blk_device_type = { > - .name = "nd_namespace_blk", > - .release = namespace_blk_release, > -}; > - > -static bool is_namespace_pmem(const struct device *dev) > -{ > - return dev ? dev->type == &namespace_pmem_device_type : false; > -} > - > -static bool is_namespace_blk(const struct device *dev) > -{ > - return dev ? dev->type == &namespace_blk_device_type : false; > -} > - > -static bool is_namespace_io(const struct device *dev) > -{ > - return dev ? dev->type == &namespace_io_device_type : false; > -} > +static bool is_namespace_pmem(const struct device *dev); > +static bool is_namespace_blk(const struct device *dev); > +static bool is_namespace_io(const struct device *dev); > > static int is_uuid_busy(struct device *dev, void *data) > { > @@ -1680,6 +1654,39 @@ static const struct attribute_group *nd_namespace_attribute_groups[] = { > NULL, > }; > > +static const struct device_type namespace_io_device_type = { > + .name = "nd_namespace_io", > + .release = namespace_io_release, > + .groups = nd_namespace_attribute_groups, > +}; > + > +static const struct device_type namespace_pmem_device_type = { > + .name = "nd_namespace_pmem", > + .release = namespace_pmem_release, > + .groups = nd_namespace_attribute_groups, > +}; > + > +static const struct device_type namespace_blk_device_type = { > + .name = "nd_namespace_blk", > + .release = namespace_blk_release, > + .groups = nd_namespace_attribute_groups, > +}; > + > +static bool is_namespace_pmem(const struct device *dev) > +{ > + return dev ? dev->type == &namespace_pmem_device_type : false; > +} > + > +static bool is_namespace_blk(const struct device *dev) > +{ > + return dev ? dev->type == &namespace_blk_device_type : false; > +} > + > +static bool is_namespace_io(const struct device *dev) > +{ > + return dev ? dev->type == &namespace_io_device_type : false; > +} > + > struct nd_namespace_common *nvdimm_namespace_common_probe(struct device *dev) > { > struct nd_btt *nd_btt = is_nd_btt(dev) ? to_nd_btt(dev) : NULL; > @@ -2078,7 +2085,6 @@ static struct device *nd_namespace_blk_create(struct nd_region *nd_region) > } > dev_set_name(dev, "namespace%d.%d", nd_region->id, nsblk->id); > dev->parent = &nd_region->dev; > - dev->groups = nd_namespace_attribute_groups; > > return &nsblk->common.dev; > } > @@ -2109,7 +2115,6 @@ static struct device *nd_namespace_pmem_create(struct nd_region *nd_region) > return NULL; > } > dev_set_name(dev, "namespace%d.%d", nd_region->id, nspm->id); > - dev->groups = nd_namespace_attribute_groups; > nd_namespace_pmem_set_resource(nd_region, nspm, 0); > > return dev; > @@ -2608,7 +2613,6 @@ int nd_region_register_namespaces(struct nd_region *nd_region, int *err) > if (id < 0) > break; > dev_set_name(dev, "namespace%d.%d", nd_region->id, id); > - dev->groups = nd_namespace_attribute_groups; > nd_device_register(dev); > } > if (i) > diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h > index ee5c04070ef9..5c8b077b3237 100644 > --- a/drivers/nvdimm/nd.h > +++ b/drivers/nvdimm/nd.h > @@ -297,7 +297,7 @@ struct device *nd_pfn_create(struct nd_region *nd_region); > struct device *nd_pfn_devinit(struct nd_pfn *nd_pfn, > struct nd_namespace_common *ndns); > int nd_pfn_validate(struct nd_pfn *nd_pfn, const char *sig); > -extern struct attribute_group nd_pfn_attribute_group; > +extern const struct attribute_group *nd_pfn_attribute_groups[]; > #else > static inline int nd_pfn_probe(struct device *dev, > struct nd_namespace_common *ndns) > diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c > index 60d81fae06ee..e809961e2b6f 100644 > --- a/drivers/nvdimm/pfn_devs.c > +++ b/drivers/nvdimm/pfn_devs.c > @@ -26,17 +26,6 @@ static void nd_pfn_release(struct device *dev) > kfree(nd_pfn); > } > > -static struct device_type nd_pfn_device_type = { > - .name = "nd_pfn", > - .release = nd_pfn_release, > -}; > - > -bool is_nd_pfn(struct device *dev) > -{ > - return dev ? dev->type == &nd_pfn_device_type : false; > -} > -EXPORT_SYMBOL(is_nd_pfn); > - > struct nd_pfn *to_nd_pfn(struct device *dev) > { > struct nd_pfn *nd_pfn = container_of(dev, struct nd_pfn, dev); > @@ -287,18 +276,30 @@ static umode_t pfn_visible(struct kobject *kobj, struct attribute *a, int n) > return a->mode; > } > > -struct attribute_group nd_pfn_attribute_group = { > +static struct attribute_group nd_pfn_attribute_group = { > .attrs = nd_pfn_attributes, > .is_visible = pfn_visible, > }; > > -static const struct attribute_group *nd_pfn_attribute_groups[] = { > +const struct attribute_group *nd_pfn_attribute_groups[] = { > &nd_pfn_attribute_group, > &nd_device_attribute_group, > &nd_numa_attribute_group, > NULL, > }; > > +static const struct device_type nd_pfn_device_type = { > + .name = "nd_pfn", > + .release = nd_pfn_release, > + .groups = nd_pfn_attribute_groups, > +}; > + > +bool is_nd_pfn(struct device *dev) > +{ > + return dev ? dev->type == &nd_pfn_device_type : false; > +} > +EXPORT_SYMBOL(is_nd_pfn); > + > struct device *nd_pfn_devinit(struct nd_pfn *nd_pfn, > struct nd_namespace_common *ndns) > { > @@ -337,7 +338,6 @@ static struct nd_pfn *nd_pfn_alloc(struct nd_region *nd_region) > > dev = &nd_pfn->dev; > dev_set_name(dev, "pfn%d.%d", nd_region->id, nd_pfn->id); > - dev->groups = nd_pfn_attribute_groups; > dev->type = &nd_pfn_device_type; > dev->parent = &nd_region->dev; > > _______________________________________________ > Linux-nvdimm mailing list -- linux-nvdimm@lists.01.org > To unsubscribe send an email to linux-nvdimm-leave@lists.01.org
diff --git a/drivers/nvdimm/btt_devs.c b/drivers/nvdimm/btt_devs.c index 3508a79110c7..05feb97e11ce 100644 --- a/drivers/nvdimm/btt_devs.c +++ b/drivers/nvdimm/btt_devs.c @@ -25,17 +25,6 @@ static void nd_btt_release(struct device *dev) kfree(nd_btt); } -static struct device_type nd_btt_device_type = { - .name = "nd_btt", - .release = nd_btt_release, -}; - -bool is_nd_btt(struct device *dev) -{ - return dev->type == &nd_btt_device_type; -} -EXPORT_SYMBOL(is_nd_btt); - struct nd_btt *to_nd_btt(struct device *dev) { struct nd_btt *nd_btt = container_of(dev, struct nd_btt, dev); @@ -178,6 +167,18 @@ static const struct attribute_group *nd_btt_attribute_groups[] = { NULL, }; +static const struct device_type nd_btt_device_type = { + .name = "nd_btt", + .release = nd_btt_release, + .groups = nd_btt_attribute_groups, +}; + +bool is_nd_btt(struct device *dev) +{ + return dev->type == &nd_btt_device_type; +} +EXPORT_SYMBOL(is_nd_btt); + static struct device *__nd_btt_create(struct nd_region *nd_region, unsigned long lbasize, u8 *uuid, struct nd_namespace_common *ndns) @@ -204,7 +205,6 @@ static struct device *__nd_btt_create(struct nd_region *nd_region, dev_set_name(dev, "btt%d.%d", nd_region->id, nd_btt->id); dev->parent = &nd_region->dev; dev->type = &nd_btt_device_type; - dev->groups = nd_btt_attribute_groups; device_initialize(&nd_btt->dev); if (ndns && !__nd_attach_ndns(&nd_btt->dev, ndns, &nd_btt->ndns)) { dev_dbg(&ndns->dev, "failed, already claimed by %s\n", diff --git a/drivers/nvdimm/dax_devs.c b/drivers/nvdimm/dax_devs.c index 6d22b0f83b3b..99965077bac4 100644 --- a/drivers/nvdimm/dax_devs.c +++ b/drivers/nvdimm/dax_devs.c @@ -23,17 +23,6 @@ static void nd_dax_release(struct device *dev) kfree(nd_dax); } -static struct device_type nd_dax_device_type = { - .name = "nd_dax", - .release = nd_dax_release, -}; - -bool is_nd_dax(struct device *dev) -{ - return dev ? dev->type == &nd_dax_device_type : false; -} -EXPORT_SYMBOL(is_nd_dax); - struct nd_dax *to_nd_dax(struct device *dev) { struct nd_dax *nd_dax = container_of(dev, struct nd_dax, nd_pfn.dev); @@ -43,13 +32,18 @@ struct nd_dax *to_nd_dax(struct device *dev) } EXPORT_SYMBOL(to_nd_dax); -static const struct attribute_group *nd_dax_attribute_groups[] = { - &nd_pfn_attribute_group, - &nd_device_attribute_group, - &nd_numa_attribute_group, - NULL, +static const struct device_type nd_dax_device_type = { + .name = "nd_dax", + .release = nd_dax_release, + .groups = nd_pfn_attribute_groups, }; +bool is_nd_dax(struct device *dev) +{ + return dev ? dev->type == &nd_dax_device_type : false; +} +EXPORT_SYMBOL(is_nd_dax); + static struct nd_dax *nd_dax_alloc(struct nd_region *nd_region) { struct nd_pfn *nd_pfn; @@ -69,7 +63,6 @@ static struct nd_dax *nd_dax_alloc(struct nd_region *nd_region) dev = &nd_pfn->dev; dev_set_name(dev, "dax%d.%d", nd_region->id, nd_pfn->id); - dev->groups = nd_dax_attribute_groups; dev->type = &nd_dax_device_type; dev->parent = &nd_region->dev; diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c index cca0a3ba1d2c..37471a272c1a 100644 --- a/drivers/nvdimm/namespace_devs.c +++ b/drivers/nvdimm/namespace_devs.c @@ -44,35 +44,9 @@ static void namespace_blk_release(struct device *dev) kfree(nsblk); } -static const struct device_type namespace_io_device_type = { - .name = "nd_namespace_io", - .release = namespace_io_release, -}; - -static const struct device_type namespace_pmem_device_type = { - .name = "nd_namespace_pmem", - .release = namespace_pmem_release, -}; - -static const struct device_type namespace_blk_device_type = { - .name = "nd_namespace_blk", - .release = namespace_blk_release, -}; - -static bool is_namespace_pmem(const struct device *dev) -{ - return dev ? dev->type == &namespace_pmem_device_type : false; -} - -static bool is_namespace_blk(const struct device *dev) -{ - return dev ? dev->type == &namespace_blk_device_type : false; -} - -static bool is_namespace_io(const struct device *dev) -{ - return dev ? dev->type == &namespace_io_device_type : false; -} +static bool is_namespace_pmem(const struct device *dev); +static bool is_namespace_blk(const struct device *dev); +static bool is_namespace_io(const struct device *dev); static int is_uuid_busy(struct device *dev, void *data) { @@ -1680,6 +1654,39 @@ static const struct attribute_group *nd_namespace_attribute_groups[] = { NULL, }; +static const struct device_type namespace_io_device_type = { + .name = "nd_namespace_io", + .release = namespace_io_release, + .groups = nd_namespace_attribute_groups, +}; + +static const struct device_type namespace_pmem_device_type = { + .name = "nd_namespace_pmem", + .release = namespace_pmem_release, + .groups = nd_namespace_attribute_groups, +}; + +static const struct device_type namespace_blk_device_type = { + .name = "nd_namespace_blk", + .release = namespace_blk_release, + .groups = nd_namespace_attribute_groups, +}; + +static bool is_namespace_pmem(const struct device *dev) +{ + return dev ? dev->type == &namespace_pmem_device_type : false; +} + +static bool is_namespace_blk(const struct device *dev) +{ + return dev ? dev->type == &namespace_blk_device_type : false; +} + +static bool is_namespace_io(const struct device *dev) +{ + return dev ? dev->type == &namespace_io_device_type : false; +} + struct nd_namespace_common *nvdimm_namespace_common_probe(struct device *dev) { struct nd_btt *nd_btt = is_nd_btt(dev) ? to_nd_btt(dev) : NULL; @@ -2078,7 +2085,6 @@ static struct device *nd_namespace_blk_create(struct nd_region *nd_region) } dev_set_name(dev, "namespace%d.%d", nd_region->id, nsblk->id); dev->parent = &nd_region->dev; - dev->groups = nd_namespace_attribute_groups; return &nsblk->common.dev; } @@ -2109,7 +2115,6 @@ static struct device *nd_namespace_pmem_create(struct nd_region *nd_region) return NULL; } dev_set_name(dev, "namespace%d.%d", nd_region->id, nspm->id); - dev->groups = nd_namespace_attribute_groups; nd_namespace_pmem_set_resource(nd_region, nspm, 0); return dev; @@ -2608,7 +2613,6 @@ int nd_region_register_namespaces(struct nd_region *nd_region, int *err) if (id < 0) break; dev_set_name(dev, "namespace%d.%d", nd_region->id, id); - dev->groups = nd_namespace_attribute_groups; nd_device_register(dev); } if (i) diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h index ee5c04070ef9..5c8b077b3237 100644 --- a/drivers/nvdimm/nd.h +++ b/drivers/nvdimm/nd.h @@ -297,7 +297,7 @@ struct device *nd_pfn_create(struct nd_region *nd_region); struct device *nd_pfn_devinit(struct nd_pfn *nd_pfn, struct nd_namespace_common *ndns); int nd_pfn_validate(struct nd_pfn *nd_pfn, const char *sig); -extern struct attribute_group nd_pfn_attribute_group; +extern const struct attribute_group *nd_pfn_attribute_groups[]; #else static inline int nd_pfn_probe(struct device *dev, struct nd_namespace_common *ndns) diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c index 60d81fae06ee..e809961e2b6f 100644 --- a/drivers/nvdimm/pfn_devs.c +++ b/drivers/nvdimm/pfn_devs.c @@ -26,17 +26,6 @@ static void nd_pfn_release(struct device *dev) kfree(nd_pfn); } -static struct device_type nd_pfn_device_type = { - .name = "nd_pfn", - .release = nd_pfn_release, -}; - -bool is_nd_pfn(struct device *dev) -{ - return dev ? dev->type == &nd_pfn_device_type : false; -} -EXPORT_SYMBOL(is_nd_pfn); - struct nd_pfn *to_nd_pfn(struct device *dev) { struct nd_pfn *nd_pfn = container_of(dev, struct nd_pfn, dev); @@ -287,18 +276,30 @@ static umode_t pfn_visible(struct kobject *kobj, struct attribute *a, int n) return a->mode; } -struct attribute_group nd_pfn_attribute_group = { +static struct attribute_group nd_pfn_attribute_group = { .attrs = nd_pfn_attributes, .is_visible = pfn_visible, }; -static const struct attribute_group *nd_pfn_attribute_groups[] = { +const struct attribute_group *nd_pfn_attribute_groups[] = { &nd_pfn_attribute_group, &nd_device_attribute_group, &nd_numa_attribute_group, NULL, }; +static const struct device_type nd_pfn_device_type = { + .name = "nd_pfn", + .release = nd_pfn_release, + .groups = nd_pfn_attribute_groups, +}; + +bool is_nd_pfn(struct device *dev) +{ + return dev ? dev->type == &nd_pfn_device_type : false; +} +EXPORT_SYMBOL(is_nd_pfn); + struct device *nd_pfn_devinit(struct nd_pfn *nd_pfn, struct nd_namespace_common *ndns) { @@ -337,7 +338,6 @@ static struct nd_pfn *nd_pfn_alloc(struct nd_region *nd_region) dev = &nd_pfn->dev; dev_set_name(dev, "pfn%d.%d", nd_region->id, nd_pfn->id); - dev->groups = nd_pfn_attribute_groups; dev->type = &nd_pfn_device_type; dev->parent = &nd_region->dev;
Statically initialize the attribute groups for each libnvdimm device_type. This is a preparation step for removing unnecessary exports of attributes that can be included in the device_type by default. Also take the opportunity to mark 'struct device_type' instances const. Cc: Ira Weiny <ira.weiny@intel.com> Cc: Vishal Verma <vishal.l.verma@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> --- drivers/nvdimm/btt_devs.c | 24 +++++++------- drivers/nvdimm/dax_devs.c | 27 ++++++--------- drivers/nvdimm/namespace_devs.c | 68 +++++++++++++++++++++------------------ drivers/nvdimm/nd.h | 2 + drivers/nvdimm/pfn_devs.c | 28 ++++++++-------- 5 files changed, 73 insertions(+), 76 deletions(-)