Increase the number of request buffers to 4096 from 1024 for a 4GB machine

[fs/lustre-release.git] / lustre / include / linux / obd_lov.h

diff --git a/lustre/include/linux/obd_lov.h b/lustre/include/linux/obd_lov.h
index 4d50153..cf3ccec 100644 (file)
--- a/lustre/include/linux/obd_lov.h
+++ b/lustre/include/linux/obd_lov.h
@@ -5,13 +5,44 @@
 #ifndef _OBD_LOV_H__
 #define _OBD_LOV_H__
 
-#ifdef __KERNEL__
-
 #define OBD_LOV_DEVICENAME "lov"
 
-void lov_unpackdesc(struct lov_desc *ld);
-void lov_packdesc(struct lov_desc *ld);
+struct lov_brw_async_args {
+        struct lov_stripe_md  *aa_lsm;
+        struct obdo           *aa_obdos;
+        struct obdo           *aa_oa;
+        struct brw_page       *aa_ioarr;
+        obd_count              aa_oa_bufs;
+};
 
+struct lov_getattr_async_args {
+        struct lov_stripe_md  *aa_lsm;
+        struct obdo           *aa_oa;
+        struct obdo           *aa_obdos;
+        struct lov_obd        *aa_lov;
+};
+
+static inline int lov_stripe_md_size(int stripes)
+{
+        return sizeof(struct lov_stripe_md) + stripes*sizeof(struct lov_oinfo);
+}
+
+static inline int lov_mds_md_v0_size(int stripes)
+{
+        return sizeof(struct lov_mds_md_v0) +
+                stripes * sizeof(struct lov_ost_data_v0);
+}
+
+#define lov_mds_md_size(stripes) lov_mds_md_v1_size(stripes)
+static inline int lov_mds_md_v1_size(int stripes)
+{
+        return sizeof(struct lov_mds_md_v1) +
+                stripes * sizeof(struct lov_ost_data_v1);
+}
+
+#define IOC_LOV_TYPE                   'g'
+#define IOC_LOV_MIN_NR                 50
+#define IOC_LOV_SET_OSC_ACTIVE         _IOWR('g', 50, long)
+#define IOC_LOV_MAX_NR                 50
 
-#endif
 #endif