-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
*
- * This file is part of Lustre, http://www.lustre.org
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * This program 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 version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.gnu.org/licenses/gpl-2.0.html
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2014, Intel Corporation.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/include/lustre_mds.h
*
* MDS data structures.
* See also lustre_idl.h for wire formats of requests.
#ifndef _LUSTRE_MDS_H
#define _LUSTRE_MDS_H
+/** \defgroup mds mds
+ *
+ * @{
+ */
+
#include <lustre_handles.h>
-#include <libcfs/kp30.h>
-#include <lustre/lustre_idl.h>
+#include <libcfs/libcfs.h>
+#include <uapi/linux/lustre/lustre_idl.h>
#include <lustre_lib.h>
#include <lustre_dlm.h>
-#include <lustre_log.h>
#include <lustre_export.h>
-#if defined(__linux__)
-#include <linux/lustre_mds.h>
-#elif defined(__APPLE__)
-#include <darwin/lustre_mds.h>
-#elif defined(__WINNT__)
-#include <winnt/lustre_mds.h>
-#else
-#error Unsupported operating system.
-#endif
-
-struct ldlm_lock_desc;
-struct mds_obd;
-struct ptlrpc_connection;
-struct ptlrpc_client;
-struct obd_export;
-struct ptlrpc_request;
-struct obd_device;
-struct ll_file_data;
-
-struct mds_update_record {
- __u32 ur_opcode;
- struct ll_fid *ur_fid1;
- struct ll_fid *ur_fid2;
- int ur_namelen;
- char *ur_name;
- int ur_tgtlen;
- char *ur_tgt;
- int ur_eadatalen;
- void *ur_eadata;
- int ur_cookielen;
- struct llog_cookie *ur_logcookies;
- struct iattr ur_iattr;
- struct lvfs_ucred ur_uc;
- __u64 ur_rdev;
- __u64 ur_time;
- __u32 ur_mode;
- __u32 ur_flags;
- struct lvfs_grp_hash_entry *ur_grp_entry;
- struct ldlm_request *ur_dlm;
+struct md_rejig_data {
+ struct md_object *mrd_obj;
+ __u16 mrd_mirror_id;
};
-/* file data for open files on MDS */
-struct mds_file_data {
- struct portals_handle mfd_handle; /* must be first */
- atomic_t mfd_refcount;
- struct list_head mfd_list; /* protected by med_open_lock */
- __u64 mfd_xid;
- int mfd_mode;
- struct dentry *mfd_dentry;
-};
-
-struct mds_group_info {
- struct obd_uuid *uuid;
- int group;
-};
-
-/* mds/mds_reint.c */
-struct inode;
-
-int mds_reint_rec(struct mds_update_record *r, int offset,
- struct ptlrpc_request *req, struct lustre_handle *);
-
-int mds_osc_setattr_async(struct obd_device *obd, __u32 uid, __u32 gid,
- struct lov_mds_md *lmm, int lmm_size,
- struct llog_cookie *logcookies, __u64 id, __u32 gen,
- struct obd_capa *oc);
-
-int mds_log_op_unlink(struct obd_device *obd,
- struct lov_mds_md *lmm, int lmm_size,
- struct llog_cookie *logcookies, int cookies_size);
-int mds_log_op_setattr(struct obd_device *obd, __u32 uid, __u32 gid,
- struct lov_mds_md *lmm, int lmm_size,
- struct llog_cookie *logcookies, int cookies_size);
+#define MDD_OBD_NAME "mdd_obd"
+#define MDD_OBD_UUID "mdd_obd_uuid"
-int mds_lov_write_objids(struct obd_device *obd);
-void mds_lov_update_objids(struct obd_device *obd, struct lov_mds_md *lmm);
-
-/* ioctls for trying requests */
-#define IOC_REQUEST_TYPE 'f'
-#define IOC_REQUEST_MIN_NR 30
+static inline int md_should_create(u64 open_flags)
+{
+ return !(open_flags & MDS_OPEN_DELAY_CREATE) &&
+ (open_flags & MDS_FMODE_WRITE) &&
+ !(open_flags & MDS_OPEN_LEASE);
+}
-#define IOC_REQUEST_GETATTR _IOWR('f', 30, long)
-#define IOC_REQUEST_READPAGE _IOWR('f', 31, long)
-#define IOC_REQUEST_SETATTR _IOWR('f', 32, long)
-#define IOC_REQUEST_CREATE _IOWR('f', 33, long)
-#define IOC_REQUEST_OPEN _IOWR('f', 34, long)
-#define IOC_REQUEST_CLOSE _IOWR('f', 35, long)
-#define IOC_REQUEST_MAX_NR 35
+/* do NOT or the MAY_*'s, you'll get the weakest */
+static inline int mds_accmode(u64 open_flags)
+{
+ int res = 0;
-#define MDS_LOV_MD_NAME "trusted.lov"
-#define MDS_LMV_MD_NAME "trusted.lmv"
-#define MDD_OBD_NAME "mdd_obd"
-#define MDD_OBD_UUID "mdd_obd_uuid"
-#define MDD_OBD_TYPE "mds"
-#define MDD_OBD_PROFILE "lustre-MDT0000"
+ if (open_flags & MDS_FMODE_READ)
+ res |= MAY_READ;
+ if (open_flags & (MDS_FMODE_WRITE | MDS_OPEN_TRUNC | MDS_OPEN_APPEND))
+ res |= MAY_WRITE;
+ if (open_flags & MDS_FMODE_EXEC)
+ res = MAY_EXEC;
-static inline int md_should_create(__u32 flags)
-{
- return !(flags & MDS_OPEN_DELAY_CREATE ||
- !(flags & FMODE_WRITE));
+ return res;
}
+/** @} mds */
+
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff