| Message ID | 20210615054921.101421-9-colyli@suse.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | bcache patches for Linux v5.14 | expand |
On 6/15/21 7:49 AM, Coly Li wrote: > From: Jianpeng Ma <jianpeng.ma@intel.com> > > This patch implements bch_get_allocated_pages() of the buddy to be used to buddy allocator > get allocated pages from specific owner. > > Signed-off-by: Jianpeng Ma <jianpeng.ma@intel.com> > Co-developed-by: Qiaowei Ren <qiaowei.ren@intel.com> > Signed-off-by: Qiaowei Ren <qiaowei.ren@intel.com> > Signed-off-by: Coly Li <colyli@suse.de> > --- > drivers/md/bcache/nvm-pages.c | 6 ++++++ > drivers/md/bcache/nvm-pages.h | 5 +++++ > 2 files changed, 11 insertions(+) > > diff --git a/drivers/md/bcache/nvm-pages.c b/drivers/md/bcache/nvm-pages.c > index 74d08950c67c..42b0504d9564 100644 > --- a/drivers/md/bcache/nvm-pages.c > +++ b/drivers/md/bcache/nvm-pages.c > @@ -397,6 +397,12 @@ void *bch_nvm_alloc_pages(int order, const char *owner_uuid) > } > EXPORT_SYMBOL_GPL(bch_nvm_alloc_pages); > > +struct bch_nvm_pages_owner_head *bch_get_allocated_pages(const char *owner_uuid) > +{ > + return find_owner_head(owner_uuid, false); > +} > +EXPORT_SYMBOL_GPL(bch_get_allocated_pages); > + > #define BCH_PGOFF_TO_KVADDR(pgoff) ((void *)((unsigned long)pgoff << PAGE_SHIFT)) > > static int init_owner_info(struct bch_nvm_namespace *ns) > diff --git a/drivers/md/bcache/nvm-pages.h b/drivers/md/bcache/nvm-pages.h > index 0ca699166855..c763bf2e2721 100644 > --- a/drivers/md/bcache/nvm-pages.h > +++ b/drivers/md/bcache/nvm-pages.h > @@ -64,6 +64,7 @@ int bch_nvm_init(void); > void bch_nvm_exit(void); > void *bch_nvm_alloc_pages(int order, const char *owner_uuid); > void bch_nvm_free_pages(void *addr, int order, const char *owner_uuid); > +struct bch_nvm_pages_owner_head *bch_get_allocated_pages(const char *owner_uuid); > > #else > > @@ -81,6 +82,10 @@ static inline void *bch_nvm_alloc_pages(int order, const char *owner_uuid) > return NULL; > } > static inline void bch_nvm_free_pages(void *addr, int order, const char *owner_uuid) { } > +static inline struct bch_nvm_pages_owner_head *bch_get_allocated_pages(const char *owner_uuid) > +{ > + return NULL; > +} > > #endif /* CONFIG_BCACHE_NVM_PAGES */ > > Reviewed-by: Hannes Reinecke <hare@suse.de> Cheers, Hannes
On 6/22/21 6:54 PM, Hannes Reinecke wrote: > On 6/15/21 7:49 AM, Coly Li wrote: >> From: Jianpeng Ma <jianpeng.ma@intel.com> >> >> This patch implements bch_get_allocated_pages() of the buddy to be used to > buddy allocator > Copied. Will be updated in next post. >> get allocated pages from specific owner. >> >> Signed-off-by: Jianpeng Ma <jianpeng.ma@intel.com> >> Co-developed-by: Qiaowei Ren <qiaowei.ren@intel.com> >> Signed-off-by: Qiaowei Ren <qiaowei.ren@intel.com> >> Signed-off-by: Coly Li <colyli@suse.de> >> --- >> drivers/md/bcache/nvm-pages.c | 6 ++++++ >> drivers/md/bcache/nvm-pages.h | 5 +++++ >> 2 files changed, 11 insertions(+) >> >> diff --git a/drivers/md/bcache/nvm-pages.c b/drivers/md/bcache/nvm-pages.c >> index 74d08950c67c..42b0504d9564 100644 >> --- a/drivers/md/bcache/nvm-pages.c >> +++ b/drivers/md/bcache/nvm-pages.c >> @@ -397,6 +397,12 @@ void *bch_nvm_alloc_pages(int order, const char *owner_uuid) >> } >> EXPORT_SYMBOL_GPL(bch_nvm_alloc_pages); >> >> +struct bch_nvm_pages_owner_head *bch_get_allocated_pages(const char *owner_uuid) >> +{ >> + return find_owner_head(owner_uuid, false); >> +} >> +EXPORT_SYMBOL_GPL(bch_get_allocated_pages); >> + >> #define BCH_PGOFF_TO_KVADDR(pgoff) ((void *)((unsigned long)pgoff << PAGE_SHIFT)) >> >> static int init_owner_info(struct bch_nvm_namespace *ns) >> diff --git a/drivers/md/bcache/nvm-pages.h b/drivers/md/bcache/nvm-pages.h >> index 0ca699166855..c763bf2e2721 100644 >> --- a/drivers/md/bcache/nvm-pages.h >> +++ b/drivers/md/bcache/nvm-pages.h >> @@ -64,6 +64,7 @@ int bch_nvm_init(void); >> void bch_nvm_exit(void); >> void *bch_nvm_alloc_pages(int order, const char *owner_uuid); >> void bch_nvm_free_pages(void *addr, int order, const char *owner_uuid); >> +struct bch_nvm_pages_owner_head *bch_get_allocated_pages(const char *owner_uuid); >> >> #else >> >> @@ -81,6 +82,10 @@ static inline void *bch_nvm_alloc_pages(int order, const char *owner_uuid) >> return NULL; >> } >> static inline void bch_nvm_free_pages(void *addr, int order, const char *owner_uuid) { } >> +static inline struct bch_nvm_pages_owner_head *bch_get_allocated_pages(const char *owner_uuid) >> +{ >> + return NULL; >> +} >> >> #endif /* CONFIG_BCACHE_NVM_PAGES */ >> >> > Reviewed-by: Hannes Reinecke <hare@suse.de> Thanks for your review. Coly Li
diff --git a/drivers/md/bcache/nvm-pages.c b/drivers/md/bcache/nvm-pages.c index 74d08950c67c..42b0504d9564 100644 --- a/drivers/md/bcache/nvm-pages.c +++ b/drivers/md/bcache/nvm-pages.c @@ -397,6 +397,12 @@ void *bch_nvm_alloc_pages(int order, const char *owner_uuid) } EXPORT_SYMBOL_GPL(bch_nvm_alloc_pages); +struct bch_nvm_pages_owner_head *bch_get_allocated_pages(const char *owner_uuid) +{ + return find_owner_head(owner_uuid, false); +} +EXPORT_SYMBOL_GPL(bch_get_allocated_pages); + #define BCH_PGOFF_TO_KVADDR(pgoff) ((void *)((unsigned long)pgoff << PAGE_SHIFT)) static int init_owner_info(struct bch_nvm_namespace *ns) diff --git a/drivers/md/bcache/nvm-pages.h b/drivers/md/bcache/nvm-pages.h index 0ca699166855..c763bf2e2721 100644 --- a/drivers/md/bcache/nvm-pages.h +++ b/drivers/md/bcache/nvm-pages.h @@ -64,6 +64,7 @@ int bch_nvm_init(void); void bch_nvm_exit(void); void *bch_nvm_alloc_pages(int order, const char *owner_uuid); void bch_nvm_free_pages(void *addr, int order, const char *owner_uuid); +struct bch_nvm_pages_owner_head *bch_get_allocated_pages(const char *owner_uuid); #else @@ -81,6 +82,10 @@ static inline void *bch_nvm_alloc_pages(int order, const char *owner_uuid) return NULL; } static inline void bch_nvm_free_pages(void *addr, int order, const char *owner_uuid) { } +static inline struct bch_nvm_pages_owner_head *bch_get_allocated_pages(const char *owner_uuid) +{ + return NULL; +} #endif /* CONFIG_BCACHE_NVM_PAGES */