* GPL HEADER END
*/
/*
- * Copyright (c) 2012, 2013, Intel Corporation.
+ * Copyright (c) 2012, 2014, Intel Corporation.
* Use is subject to license terms.
*/
/* procfs directory where information related to the underlying slaves
* are exported */
- cfs_proc_dir_entry_t *qsd_proc;
+ struct proc_dir_entry *qsd_proc;
/* export used for the connection to quota master */
struct obd_export *qsd_exp;
struct qsd_fsinfo *qsd_fsinfo;
/* link into qfs_qsd_list of qfs_fsinfo */
- cfs_list_t qsd_link;
+ struct list_head qsd_link;
/* list of lqe entry which might need quota space adjustment */
- cfs_list_t qsd_adjust_list;
+ struct list_head qsd_adjust_list;
/* lock protecting adjust list */
spinlock_t qsd_adjust_lock;
struct ptlrpc_thread qsd_upd_thread;
/* list of update tasks */
- cfs_list_t qsd_upd_list;
+ struct list_head qsd_upd_list;
/* r/w spinlock protecting:
* - the state flags
*/
struct qsd_qtype_info {
/* reference count incremented by each user of this structure */
- cfs_atomic_t qqi_ref;
+ atomic_t qqi_ref;
/* quota type, either USRQUOTA or GRPQUOTA
* immutable after creation. */
struct lprocfs_stats *qqi_stats;
/* deferred update for the global index copy */
- cfs_list_t qqi_deferred_glb;
+ struct list_head qqi_deferred_glb;
/* deferred update for the slave index copy */
- cfs_list_t qqi_deferred_slv;
+ struct list_head qqi_deferred_slv;
/* Various flags representing the current state of the slave for this
* quota type. */
unsigned int qfs_enabled[LQUOTA_NR_RES];
/* list of all qsd_instance for this fs */
- cfs_list_t qfs_qsd_list;
- struct semaphore qfs_sem;
+ struct list_head qfs_qsd_list;
+ struct mutex qfs_mutex;
/* link to the global quota fsinfo list. */
- cfs_list_t qfs_link;
+ struct list_head qfs_link;
/* reference count */
int qfs_ref;
/* qqi_getref/putref is used to track users of a qqi structure */
static inline void qqi_getref(struct qsd_qtype_info *qqi)
{
- cfs_atomic_inc(&qqi->qqi_ref);
+ atomic_inc(&qqi->qqi_ref);
}
static inline void qqi_putref(struct qsd_qtype_info *qqi)
{
- LASSERT(cfs_atomic_read(&qqi->qqi_ref) > 0);
- cfs_atomic_dec(&qqi->qqi_ref);
+ LASSERT(atomic_read(&qqi->qqi_ref) > 0);
+ atomic_dec(&qqi->qqi_ref);
}
#define QSD_RES_TYPE(qsd) ((qsd)->qsd_is_md ? LQUOTA_RES_MD : LQUOTA_RES_DT)
/* udpate record for slave & global index copy */
struct qsd_upd_rec {
- cfs_list_t qur_link; /* link into qsd_upd_list */
+ struct list_head qur_link; /* link into qsd_upd_list */
union lquota_id qur_qid;
union lquota_rec qur_rec;
struct qsd_qtype_info *qur_qqi;
lqe->lqe_nopreacq = false;
}
+/* helper function to set/clear edquot flag */
+static inline void qsd_set_edquot(struct lquota_entry *lqe, bool edquot)
+{
+ lqe->lqe_edquot = edquot;
+ if (edquot)
+ lqe->lqe_edquot_time = cfs_time_current_64();
+}
+
#define QSD_WB_INTERVAL 60 /* 60 seconds */
/* helper function calculating how long a service thread should be waiting for
struct quota_body *, bool, int, qsd_req_completion_t,
struct qsd_qtype_info *, struct lquota_lvb *, void *);
int qsd_fetch_index(const struct lu_env *, struct obd_export *,
- struct idx_info *, unsigned int, cfs_page_t **, bool *);
+ struct idx_info *, unsigned int, struct page **, bool *);
/* qsd_writeback.c */
void qsd_bump_version(struct qsd_qtype_info *, __u64, bool);