+/*****************************************************************************\
+ * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
+ * Copyright (C) 2007 The Regents of the University of California.
+ * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
+ * Written by Brian Behlendorf <behlendorf1@llnl.gov>.
+ * UCRL-CODE-235197
+ *
+ * This file is part of the SPL, Solaris Porting Layer.
+ * For details, see <http://zfsonlinux.org/>.
+ *
+ * The SPL is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * The SPL 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 the SPL. If not, see <http://www.gnu.org/licenses/>.
+\*****************************************************************************/
+
#ifndef _SPL_FILE_COMPAT_H
#define _SPL_FILE_COMPAT_H
+#include <linux/fs.h>
#ifdef HAVE_FDTABLE_HEADER
#include <linux/fdtable.h>
#endif
+static inline struct file *
+spl_filp_open(const char *name, int flags, int mode, int *err)
+{
+ struct file *filp = NULL;
+ int rc;
+
+ filp = filp_open(name, flags, mode);
+ if (IS_ERR(filp)) {
+ rc = PTR_ERR(filp);
+ if (err)
+ *err = rc;
+ filp = NULL;
+ }
+ return filp;
+}
+
+#define spl_filp_close(f) filp_close(f, NULL)
+#define spl_filp_poff(f) (&(f)->f_pos)
+#define spl_filp_write(fp, b, s, p) (fp)->f_op->write((fp), (b), (s), p)
+
+static inline int
+spl_filp_fallocate(struct file *fp, int mode, loff_t offset, loff_t len)
+{
+ int error = -EOPNOTSUPP;
+
+#ifdef HAVE_FILE_FALLOCATE
+ if (fp->f_op->fallocate)
+ error = fp->f_op->fallocate(fp, mode, offset, len);
+#else
+#ifdef HAVE_INODE_FALLOCATE
+ if (fp->f_dentry && fp->f_dentry->d_inode &&
+ fp->f_dentry->d_inode->i_op->fallocate)
+ error = fp->f_dentry->d_inode->i_op->fallocate(
+ fp->f_dentry->d_inode, mode, offset, len);
+#endif /* HAVE_INODE_FALLOCATE */
+#endif /*HAVE_FILE_FALLOCATE */
+
+ return (error);
+}
+
+#ifdef HAVE_2ARGS_VFS_FSYNC
+#define spl_filp_fsync(fp, sync) vfs_fsync(fp, sync)
+#else
+#define spl_filp_fsync(fp, sync) vfs_fsync(fp, (fp)->f_dentry, sync)
+#endif /* HAVE_2ARGS_VFS_FSYNC */
+
+#define spl_inode_lock(ip) mutex_lock(&(ip)->i_mutex)
+#define spl_inode_unlock(ip) mutex_unlock(&(ip)->i_mutex)
+
#endif /* SPL_FILE_COMPAT_H */