LU-1842 ldlm: add support for quota LVB

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

diff --git a/lustre/include/lustre/lustre_idl.h b/lustre/include/lustre/lustre_idl.h
index a41e82a..f4c6784 100644 (file)
--- a/lustre/include/lustre/lustre_idl.h
+++ b/lustre/include/lustre/lustre_idl.h
@@ -1843,7 +1843,7 @@ struct quota_body {
  * lock (IT_QUOTA_CONN) reply, qb_fid contains slave index file FID. */
 #define qb_slv_fid       qb_fid
 /* qb_usage is the current qunit (in kbytes/inodes) when quota_body is used in
- * acquire reply */
+ * quota reply */
 #define qb_qunit         qb_usage
 
 extern void lustre_swab_quota_body(struct quota_body *b);
@@ -2456,15 +2456,52 @@ typedef union {
 
 extern void lustre_swab_ldlm_policy_data (ldlm_wire_policy_data_t *d);
 
+/* Data structures associated with the quota locks */
+
+/* Glimpse descriptor used for the index & per-ID quota locks */
+struct ldlm_gl_lquota_desc {
+       union lquota_id gl_id;    /* quota ID subject to the glimpse */
+       __u64           gl_flags; /* see LQUOTA_FL* below */
+       __u64           gl_ver;   /* new index version */
+       __u64           gl_hardlimit; /* new hardlimit or qunit value */
+       __u64           gl_softlimit; /* new softlimit */
+       __u64           gl_pad1;
+       __u64           gl_pad2;
+};
+#define gl_qunit       gl_hardlimit /* current qunit value used when
+                                     * glimpsing per-ID quota locks */
+
+/* quota glimpse flags */
+#define LQUOTA_FL_EDQUOT 0x1 /* user/group out of quota space on QMT */
+
+/* LVB used with quota (global and per-ID) locks */
+struct lquota_lvb {
+       __u64   lvb_flags;      /* see LQUOTA_FL* above */
+       __u64   lvb_id_may_rel; /* space that might be released later */
+       __u64   lvb_id_rel;     /* space released by the slave for this ID */
+       __u64   lvb_id_qunit;   /* current qunit value */
+       __u64   lvb_pad1;
+};
+
+/* LVB used with global quota lock */
+#define lvb_glb_ver  lvb_id_may_rel /* current version of the global index */
+
 /* Similarly to ldlm_wire_policy_data_t, there is one common swabber for all
  * LVB types. As a result, any new LVB structure must match the fields of the
  * ost_lvb structure. */
 union ldlm_wire_lvb {
-        struct ost_lvb l_ost;
+       struct ost_lvb          l_ost;
+       struct lquota_lvb       l_lquota;
 };
 
 extern void lustre_swab_lvb(union ldlm_wire_lvb *);
 
+union ldlm_gl_desc {
+       struct ldlm_gl_lquota_desc      lquota_desc;
+};
+
+extern void lustre_swab_gl_desc(union ldlm_gl_desc *);
+
 struct ldlm_intent {
         __u64 opc;
 };