*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * 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) 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
*
* lustre/include/lvfs.h
*
#ifndef __LVFS_H__
#define __LVFS_H__
-#include <libcfs/libcfs.h>
-#if defined(__linux__)
-#include <linux/lvfs.h>
-#elif defined(__APPLE__)
-#include <darwin/lvfs.h>
-#elif defined(__WINNT__)
-#include <winnt/lvfs.h>
-#else
-#error Unsupported operating system.
+#include <linux/dcache.h>
+#include <linux/err.h>
+#include <linux/fs.h>
+#include <linux/mutex.h>
+#include <linux/namei.h>
+#include <lustre_compat.h>
+
+#define OBD_RUN_CTXT_MAGIC 0xC0FFEEAA
+#define OBD_CTXT_DEBUG /* development-only debugging */
+
+struct dt_device;
+
+struct lvfs_run_ctxt {
+ struct vfsmount *pwdmnt;
+ struct dentry *pwd;
+ int umask;
+ struct dt_device *dt;
+#ifdef OBD_CTXT_DEBUG
+ unsigned int magic;
#endif
+};
+
+static inline void OBD_SET_CTXT_MAGIC(struct lvfs_run_ctxt *ctxt)
+{
+#ifdef OBD_CTXT_DEBUG
+ ctxt->magic = OBD_RUN_CTXT_MAGIC;
+#endif
+}
/* ptlrpc_sec_ctx.c */
void push_ctxt(struct lvfs_run_ctxt *save, struct lvfs_run_ctxt *new_ctx);
void pop_ctxt(struct lvfs_run_ctxt *saved, struct lvfs_run_ctxt *new_ctx);
+
+#if !defined(HAVE_ALLOC_FILE_PSEUDO) && defined(HAVE_SERVER_SUPPORT)
+#define OPEN_FMODE(flag) ((__force fmode_t)(((flag + 1) & O_ACCMODE) | \
+ (flag & __FMODE_NONOTIFY)))
+static inline
+struct file *alloc_file_pseudo(struct inode *inode, struct vfsmount *mnt,
+ const char *name, int flags,
+ const struct file_operations *fops)
+{
+ struct qstr this = QSTR_INIT(name, strlen(name));
+ struct path path;
+ struct file *file;
+
+ path.dentry = d_alloc_pseudo(mnt->mnt_sb, &this);
+ if (!path.dentry)
+ return ERR_PTR(-ENOMEM);
+ path.mnt = mntget(mnt);
+ d_instantiate(path.dentry, inode);
+ file = alloc_file(&path, OPEN_FMODE(flags), fops);
+ if (IS_ERR(file)) {
+ ihold(inode);
+ path_put(&path);
+ } else {
+ file->f_flags = flags;
+ }
+ return file;
+}
+#endif /* !HAVE_ALLOC_FILE_PSEUDO */
+
#endif