LU-13274 uapi: make lustre UAPI headers C99 compliant

[fs/lustre-release.git] / lustre / quota / qmt_internal.h

diff --git a/lustre/quota/qmt_internal.h b/lustre/quota/qmt_internal.h
index 6b1892e..a3ab56f 100644 (file)
--- a/lustre/quota/qmt_internal.h
+++ b/lustre/quota/qmt_internal.h
@@ -21,7 +21,7 @@
  * GPL HEADER END
  */
 /*
- * Copyright (c) 2012, 2016, Intel Corporation.
+ * Copyright (c) 2012, 2017, Intel Corporation.
  * Use is subject to license terms.
  */
 
@@ -69,6 +69,8 @@ struct qmt_device {
 
        /* List of pools managed by this master target */
        struct list_head         qmt_pool_list;
+       /* rw spinlock to protect pool list */
+       rwlock_t                 qmt_pool_lock;
 
        /* procfs root directory for this qmt */
        struct proc_dir_entry   *qmt_proc;
@@ -86,26 +88,21 @@ struct qmt_device {
 
 };
 
+#define QPI_MAXNAME    (LOV_MAXPOOLNAME + 1)
+
 /*
  * Per-pool quota information.
  * The qmt creates one such structure for each pool
- * with quota enforced. All the structures are kept in a hash which is used to
- * determine whether or not quota is enforced for a given pool.
- * We currently only support the default data pool and default metadata pool
- * with the pool_id 0.
+ * with quota enforced. All the structures are kept in a list.
+ * We currently only support the default data pool and default metadata pool.
  */
 struct qmt_pool_info {
-       /* link to qmt's pool hash */
-       struct hlist_node        qpi_hash;
-
        /* chained list of all pools managed by the same qmt */
        struct list_head         qpi_linkage;
 
-       /* Pool key composed of pool_id | (pool_type << 16)
-        * Only pool ID 0 is supported for now and the pool type is either
-        * QUOTA_RES_MD or QUOTA_RES_DT.
-        * immutable after creation. */
-       __u32                    qpi_key;
+       /* Could be  LQUOTA_RES_MD or LQUOTA_RES_DT */
+       int                      qpi_rtype;
+       char                     qpi_name[QPI_MAXNAME];
 
        /* track users of this pool instance */
        atomic_t                 qpi_ref;
@@ -205,15 +202,7 @@ extern struct lu_context_key qmt_thread_key;
 static inline
 struct qmt_thread_info *qmt_info(const struct lu_env *env)
 {
-       struct qmt_thread_info  *info;
-
-       info = lu_context_key_get(&env->le_ctx, &qmt_thread_key);
-       if (info == NULL) {
-               lu_env_refill((struct lu_env *)env);
-               info = lu_context_key_get(&env->le_ctx, &qmt_thread_key);
-       }
-       LASSERT(info);
-       return info;
+       return lu_env_info(env, &qmt_thread_key);
 }
 
 /* helper routine to convert a lu_device into a qmt_device */
@@ -290,6 +279,14 @@ static inline bool qmt_space_exhausted(struct lquota_entry *lqe, __u64 now)
        return (qmt_hard_exhausted(lqe) || qmt_soft_exhausted(lqe, now));
 }
 
+/* helper routine clearing the default quota setting  */
+static inline void qmt_lqe_clear_default(struct lquota_entry *lqe)
+{
+       lqe->lqe_is_default = false;
+       lqe->lqe_gracetime &= ~((__u64)LQUOTA_FLAG_DEFAULT <<
+                                                       LQUOTA_GRACE_BITS);
+}
+
 /* number of seconds to wait for slaves to release quota space after
  * rebalancing */
 #define QMT_REBA_TIMEOUT 2
@@ -303,10 +300,12 @@ int qmt_pool_new_conn(const struct lu_env *, struct qmt_device *,
                      struct lu_fid *, struct lu_fid *, __u64 *,
                      struct obd_uuid *);
 struct lquota_entry *qmt_pool_lqe_lookup(const struct lu_env *,
-                                        struct qmt_device *, int, int, int,
+                                        struct qmt_device *, int, int,
                                         union lquota_id *);
 /* qmt_entry.c */
 extern struct lquota_entry_operations qmt_lqe_ops;
+int qmt_lqe_set_default(const struct lu_env *env, struct qmt_pool_info *pool,
+                       struct lquota_entry *lqe, bool create_record);
 struct thandle *qmt_trans_start_with_slv(const struct lu_env *,
                                         struct lquota_entry *,
                                         struct dt_object *,
@@ -327,6 +326,9 @@ void qmt_revalidate(const struct lu_env *, struct lquota_entry *);
 __u64 qmt_alloc_expand(struct lquota_entry *, __u64, __u64);
 
 /* qmt_handler.c */
+int qmt_set_with_lqe(const struct lu_env *env, struct qmt_device *qmt,
+                    struct lquota_entry *lqe, __u64 hard, __u64 soft,
+                    __u64 time, __u32 valid, bool is_default, bool is_updated);
 int qmt_dqacq0(const struct lu_env *, struct lquota_entry *,
               struct qmt_device *, struct obd_uuid *, __u32, __u64, __u64,
               struct quota_body *);