diff options
Diffstat (limited to 'fs/xfs/support')
| -rw-r--r-- | fs/xfs/support/move.c | 51 | ||||
| -rw-r--r-- | fs/xfs/support/move.h | 70 |
2 files changed, 0 insertions, 121 deletions
diff --git a/fs/xfs/support/move.c b/fs/xfs/support/move.c deleted file mode 100644 index ac8617ca3909..000000000000 --- a/fs/xfs/support/move.c +++ /dev/null @@ -1,51 +0,0 @@ -/* - * 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; -} diff --git a/fs/xfs/support/move.h b/fs/xfs/support/move.h deleted file mode 100644 index 324e413deadd..000000000000 --- a/fs/xfs/support/move.h +++ /dev/null @@ -1,70 +0,0 @@ -/* - * 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__ */ |