diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/include/lu_object.h')
| -rw-r--r-- | drivers/staging/lustre/lustre/include/lu_object.h | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/staging/lustre/lustre/include/lu_object.h b/drivers/staging/lustre/lustre/include/lu_object.h index 260643ee0d48..7a4f412a85a3 100644 --- a/drivers/staging/lustre/lustre/include/lu_object.h +++ b/drivers/staging/lustre/lustre/include/lu_object.h @@ -34,6 +34,7 @@ #define __LUSTRE_LU_OBJECT_H #include <stdarg.h> +#include <linux/percpu_counter.h> #include "../../include/linux/libcfs/libcfs.h" #include "lustre/lustre_idl.h" #include "lu_ref.h" @@ -580,7 +581,6 @@ enum { LU_SS_CACHE_RACE, LU_SS_CACHE_DEATH_RACE, LU_SS_LRU_PURGED, - LU_SS_LRU_LEN, /* # of objects in lsb_lru lists */ LU_SS_LAST_STAT }; @@ -635,6 +635,10 @@ struct lu_site { * XXX: a hack! fld has to find md_site via site, remove when possible */ struct seq_server_site *ld_seq_site; + /** + * Number of objects in lsb_lru_lists - used for shrinking + */ + struct percpu_counter ls_lru_len_counter; }; static inline struct lu_site_bkt_data * @@ -708,8 +712,14 @@ static inline int lu_object_is_dying(const struct lu_object_header *h) void lu_object_put(const struct lu_env *env, struct lu_object *o); void lu_object_unhash(const struct lu_env *env, struct lu_object *o); +int lu_site_purge_objects(const struct lu_env *env, struct lu_site *s, int nr, + bool canblock); -int lu_site_purge(const struct lu_env *env, struct lu_site *s, int nr); +static inline int lu_site_purge(const struct lu_env *env, struct lu_site *s, + int nr) +{ + return lu_site_purge_objects(env, s, nr, true); +} void lu_site_print(const struct lu_env *env, struct lu_site *s, void *cookie, lu_printer_t printer); @@ -1120,7 +1130,7 @@ struct lu_context_key { { \ type *value; \ \ - CLASSERT(PAGE_SIZE >= sizeof(*value)); \ + BUILD_BUG_ON(PAGE_SIZE < sizeof(*value)); \ \ value = kzalloc(sizeof(*value), GFP_NOFS); \ if (!value) \ @@ -1326,5 +1336,8 @@ void lu_buf_realloc(struct lu_buf *buf, size_t size); int lu_buf_check_and_grow(struct lu_buf *buf, size_t len); struct lu_buf *lu_buf_check_and_alloc(struct lu_buf *buf, size_t len); +extern __u32 lu_context_tags_default; +extern __u32 lu_session_tags_default; + /** @} lu */ #endif /* __LUSTRE_LU_OBJECT_H */ |