smash the HEAD with the contents of b_cmd. HEAD_PRE_CMD_SMASH and

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

diff --git a/lustre/include/linux/lustre_user.h b/lustre/include/linux/lustre_user.h
new file mode 100644 (file)
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--- /dev/null
+++ b/lustre/include/linux/lustre_user.h
@@ -0,0 +1,87 @@
+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ *
+ *  Copyright (C) 2001 Cluster File Systems, Inc. <braam@clusterfs.com>
+ *
+ *   This file is part of Lustre, http://www.lustre.org.
+ *
+ *   Lustre is free software; you can redistribute it and/or
+ *   modify it under the terms of version 2 of the GNU General Public
+ *   License as published by the Free Software Foundation.
+ *
+ *   Lustre is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Lustre; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Lustre public user-space interface definitions.
+ */
+
+#ifndef _LUSTRE_USER_H
+#define _LUSTRE_USER_H
+#include <asm/types.h>
+
+#define IOC_MDC_TYPE         'i'
+#define IOC_MDC_GETSTRIPE    _IOWR(IOC_MDC_TYPE, 21, struct lov_mds_md *)
+
+#define LL_IOC_GETFLAGS                 _IOR ('f', 151, long)
+#define LL_IOC_SETFLAGS                 _IOW ('f', 152, long)
+#define LL_IOC_CLRFLAGS                 _IOW ('f', 153, long)
+#define LL_IOC_LOV_SETSTRIPE            _IOW ('f', 154, long)
+#define LL_IOC_LOV_GETSTRIPE            _IOW ('f', 155, long)
+#define LL_IOC_LOV_SETEA                _IOW ('f', 156, long)
+#define LL_IOC_RECREATE_OBJ             _IOW ('f', 157, long)
+#define LL_IOC_CW_LOCK                  _IOW ('f', 158, long)
+#define LL_IOC_CW_UNLOCK                _IOW ('f', 159, long)
+#define LL_IOC_MDC_MKDIRSTRIPE          _IOW ('f', 160, long)
+
+#define O_LOV_DELAY_CREATE 0100000000  /* hopefully this does not conflict */
+
+#define LL_FILE_IGNORE_LOCK             0x00000001
+#define LL_FILE_CW_LOCKED               0x00000002
+
+#define LOV_USER_MAGIC_V1 0x0BD10BD0
+#define LOV_USER_MAGIC    LOV_USER_MAGIC_V1
+
+#define LOV_PATTERN_RAID0 0x001
+#define LOV_PATTERN_RAID1 0x002
+#define LOV_PATTERN_FIRST 0x100
+
+#define lov_user_ost_data lov_user_ost_data_v1
+struct lov_user_ost_data_v1 {     /* per-stripe data structure */
+        __u64 l_object_id;       /* OST object ID */
+        __u64 l_object_gr;        /* OST object group (creating MDS number) */
+        __u32 l_ost_generation;   /* generation of this OST index */
+        __u16 l_ost_idx;          /* OST index in LOV */
+        __u16 l_reserved2;
+} __attribute__((packed));
+
+#define lov_user_md lov_user_md_v1
+struct lov_user_md_v1 {           /* LOV EA user data (host-endian) */
+        __u32 lmm_magic;          /* magic number = LOV_USER_MAGIC_V1 */
+        __u32 lmm_pattern;        /* LOV_PATTERN_RAID0, LOV_PATTERN_RAID1 */
+        __u64 lmm_object_id;      /* LOV object ID */
+        __u64 lmm_object_gr;      /* LOV object group */
+        __u32 lmm_stripe_size;    /* size of stripe in bytes */
+        __u16 lmm_stripe_count;   /* num stripes in use for this object */
+        __u16 lmm_stripe_offset;  /* starting stripe offset in lmm_objects */
+        struct lov_user_ost_data_v1 lmm_objects[0]; /* per-stripe data */
+} __attribute__((packed));
+
+struct ll_user_mkdir_stripe {
+        int lums_namelen;
+        char *lums_name;
+        mode_t lums_mode;
+        int lums_nstripes;
+};
+
+extern int op_create_file(char *name, long stripe_size, int stripe_offset,
+                          int stripe_count);
+extern int op_create_dir(char *name, int stripe_count);
+extern int get_file_stripe(char *path, struct lov_user_md *lum);
+
+#endif /* _LUSTRE_USER_H */