diff options
Diffstat (limited to 'fs/xfs/support/move.c')
-rw-r--r-- | fs/xfs/support/move.c | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/fs/xfs/support/move.c b/fs/xfs/support/move.c deleted file mode 100644 index ac8617c..0000000 --- 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; -} |