Branch HEAD

[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 3310fac..d11173f 100644 (file)
--- a/lustre/include/lustre/lustre_idl.h
+++ b/lustre/include/lustre/lustre_idl.h
@@ -253,10 +253,38 @@ static inline int range_is_exhausted(const struct lu_seq_range *range)
  * @{ */
 
 /**
+ * Flags for lustre_mdt_attrs::lma_compat and lustre_mdt_attrs::lma_incompat.
+ */
+enum lma_compat {
+        LMAC_HSM = 0x00000001,
+        LMAC_SOM = 0x00000002,
+};
+
+/**
+ * Masks for all features that should be supported by a Lustre version to
+ * access a specific file.
+ * This information is stored in lustre_mdt_attrs::lma_incompat.
+ *
+ * NOTE: No incompat feature should be added before bug #17670 is landed.
+ */
+#define LMA_INCOMPAT_SUPP 0x0
+
+/**
  * Following struct for MDT attributes, that will be kept inode's EA.
  * Introduced in 2.0 release (please see b15993, for details)
  */
 struct lustre_mdt_attrs {
+        /**
+         * Bitfield for supported data in this structure. From enum lma_compat.
+         * lma_self_fid and lma_flags are always available.
+         */
+        __u32   lma_compat;
+       /**
+         * Per-file incompat feature list. Lustre version should support all
+         * flags set in this field. The supported feature mask is available in
+         * LMA_INCOMPAT_SUPP.
+         */
+        __u32   lma_incompat;
         /** FID of this inode */
         struct lu_fid  lma_self_fid;
         /** SOM state, mdt/ost type, others */
@@ -1060,6 +1088,7 @@ extern void lustre_swab_obd_statfs (struct obd_statfs *os);
 #define OBD_BRW_NOCACHE         0x80 /* this page is a part of non-cached IO */
 #define OBD_BRW_NOQUOTA        0x100
 #define OBD_BRW_SRVLOCK        0x200 /* Client holds no lock over this page */
+#define OBD_BRW_MEMALLOC       0x800 /* Client runs in the "kswapd" context */
 
 #define OBD_OBJECT_EOF 0xffffffffffffffffULL
 
@@ -1392,7 +1421,7 @@ struct quota_adjust_qunit {
 };
 extern void lustre_swab_quota_adjust_qunit(struct quota_adjust_qunit *q);
 
-/* flags in qunit_data and quota_adjust_qunit will use macroes below */
+/* flags is shared among quota structures */
 #define LQUOTA_FLAGS_GRP       1UL   /* 0 is user, 1 is group */
 #define LQUOTA_FLAGS_BLK       2UL   /* 0 is inode, 1 is block */
 #define LQUOTA_FLAGS_ADJBLK    4UL   /* adjust the block qunit size */
@@ -1400,16 +1429,21 @@ extern void lustre_swab_quota_adjust_qunit(struct quota_adjust_qunit *q);
 #define LQUOTA_FLAGS_CHG_QS   16UL   /* indicate whether it has capability of
                                       * OBD_CONNECT_CHANGE_QS */
 
-/* the status of lqsk_flags in struct lustre_qunit_size_key */
+/* flags is specific for quota_adjust_qunit */
+#define LQUOTA_QAQ_CEATE_LQS  (1 << 31) /* when it is set, need create lqs */
+
+/* the status of lqs_flags in struct lustre_qunit_size  */
 #define LQUOTA_QUNIT_FLAGS (LQUOTA_FLAGS_GRP | LQUOTA_FLAGS_BLK)
 
 #define QAQ_IS_GRP(qaq)    ((qaq)->qaq_flags & LQUOTA_FLAGS_GRP)
 #define QAQ_IS_ADJBLK(qaq) ((qaq)->qaq_flags & LQUOTA_FLAGS_ADJBLK)
 #define QAQ_IS_ADJINO(qaq) ((qaq)->qaq_flags & LQUOTA_FLAGS_ADJINO)
+#define QAQ_IS_CREATE_LQS(qaq)  ((qaq)->qaq_flags & LQUOTA_QAQ_CEATE_LQS)
 
 #define QAQ_SET_GRP(qaq)    ((qaq)->qaq_flags |= LQUOTA_FLAGS_GRP)
 #define QAQ_SET_ADJBLK(qaq) ((qaq)->qaq_flags |= LQUOTA_FLAGS_ADJBLK)
 #define QAQ_SET_ADJINO(qaq) ((qaq)->qaq_flags |= LQUOTA_FLAGS_ADJINO)
+#define QAQ_SET_CREATE_LQS(qaq) ((qaq)->qaq_flags |= LQUOTA_QAQ_CEATE_LQS)
 
 /* inode access permission for remote user, the inode info are omitted,
  * for client knows them. */
@@ -1567,12 +1601,13 @@ extern void lustre_swab_mdt_rec_setattr (struct mdt_rec_setattr *sa);
 #define MAY_RGETFACL    (1 << 14)
 
 enum {
-        MDS_CHECK_SPLIT  = 1 << 0,
-        MDS_CROSS_REF    = 1 << 1,
-        MDS_VTX_BYPASS   = 1 << 2,
-        MDS_PERM_BYPASS  = 1 << 3,
-        MDS_SOM          = 1 << 4,
-        MDS_QUOTA_IGNORE = 1 << 5
+        MDS_CHECK_SPLIT   = 1 << 0,
+        MDS_CROSS_REF     = 1 << 1,
+        MDS_VTX_BYPASS    = 1 << 2,
+        MDS_PERM_BYPASS   = 1 << 3,
+        MDS_SOM           = 1 << 4,
+        MDS_QUOTA_IGNORE  = 1 << 5,
+        MDS_CLOSE_CLEANUP = 1 << 6
 };
 
 struct mds_rec_create {