LU-14535 quota: get all quota info in LFS

[fs/lustre-release.git] / lustre / include / lustre_quota.h

diff --git a/lustre/include/lustre_quota.h b/lustre/include/lustre_quota.h
index 7e4796f..798ecf9 100644 (file)
--- a/lustre/include/lustre_quota.h
+++ b/lustre/include/lustre_quota.h
@@ -67,6 +67,25 @@ enum osd_qid_declare_flags {
        OSD_QID_FORCE   = BIT(2),
 };
 
+/* the length of the buffer to contain the quotas gotten from QMT/QSD,
+ * the maximum is 128 quota IDs (each struct lquota_glb_rec for MD or DT),
+ * it can contain about 420 quota IDs for theirs quota usage.
+ */
+#define LQUOTA_ITER_BUFLEN                                     \
+       (128 * 2 * (sizeof(__u64) + sizeof(struct lquota_glb_rec)))
+
+struct lquota_iter {
+       struct list_head li_link;
+       __u32            li_md_size;
+       __u32            li_dt_size;
+       char             li_buffer[0];
+};
+
+struct if_quotactl_iter {
+       struct list_head        qci_link;
+       struct if_quotactl      qci_qc;
+};
+
 /* Index features supported by the global index objects
  * Only used for migration purpose and should be removed once on-disk migration
  * is no longer needed
@@ -95,7 +114,7 @@ extern struct dt_index_features dt_quota_bgrp_features;
 struct qmt_handlers {
        /* Handle quotactl request from client. */
        int (*qmth_quotactl)(const struct lu_env *env, struct lu_device *d,
-                            struct obd_quotactl *);
+                            struct obd_quotactl *, char *buf, int len);
 
        /* Handle dqacq/dqrel request from slave. */
        int (*qmth_dqacq)(const struct lu_env *env, struct lu_device *d,
@@ -261,7 +280,7 @@ struct lquota_trans {
  * on slave
  */
 int lquotactl_slv(const struct lu_env *env, struct dt_device *dt,
-                 struct obd_quotactl *obdq);
+                 struct obd_quotactl *obdq, char *buf, int len);
 
 /** @} quota */
 #endif /* _LUSTRE_QUOTA_H */