+++ /dev/null
-/*
- * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
- * All Rights Reserved.
- *
- * This program 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.
- *
- * This program is distributed in the hope that it would 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 this program; if not, write the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-#include <xfs.h>
-
-/* Read from kernel buffer at src to user/kernel buffer defined
- * by the uio structure. Advance the pointer in the uio struct
- * as we go.
- */
-int
-xfs_uio_read(caddr_t src, size_t len, struct uio *uio)
-{
- size_t count;
-
- if (!len || !uio->uio_resid)
- return 0;
-
- count = uio->uio_iov->iov_len;
- if (!count)
- return 0;
- if (count > len)
- count = len;
-
- if (uio->uio_segflg == UIO_USERSPACE) {
- if (copy_to_user(uio->uio_iov->iov_base, src, count))
- return EFAULT;
- } else {
- ASSERT(uio->uio_segflg == UIO_SYSSPACE);
- memcpy(uio->uio_iov->iov_base, src, count);
- }
-
- uio->uio_iov->iov_base = (void*)((char*)uio->uio_iov->iov_base + count);
- uio->uio_iov->iov_len -= count;
- uio->uio_offset += count;
- uio->uio_resid -= count;
- return 0;
-}
+++ /dev/null
-/*
- * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
- * All Rights Reserved.
- *
- * This program 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.
- *
- * This program is distributed in the hope that it would 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 this program; if not, write the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Portions Copyright (c) 1982, 1986, 1993, 1994
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-#ifndef __XFS_SUPPORT_MOVE_H__
-#define __XFS_SUPPORT_MOVE_H__
-
-#include <linux/uio.h>
-#include <asm/uaccess.h>
-
-/* Segment flag values. */
-enum uio_seg {
- UIO_USERSPACE, /* from user data space */
- UIO_SYSSPACE, /* from system space */
-};
-
-struct uio {
- struct kvec *uio_iov; /* pointer to array of iovecs */
- int uio_iovcnt; /* number of iovecs in array */
- xfs_off_t uio_offset; /* offset in file this uio corresponds to */
- int uio_resid; /* residual i/o count */
- enum uio_seg uio_segflg; /* see above */
-};
-
-typedef struct uio uio_t;
-typedef struct kvec iovec_t;
-
-extern int xfs_uio_read (caddr_t, size_t, uio_t *);
-
-#endif /* __XFS_SUPPORT_MOVE_H__ */
git://ftp.safe.ca / safe / jmp / linux-2.6 / commitdiff