diff options
Diffstat (limited to 'libdiskfs/dev-io.c')
-rw-r--r-- | libdiskfs/dev-io.c | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/libdiskfs/dev-io.c b/libdiskfs/dev-io.c deleted file mode 100644 index d3be449f..00000000 --- a/libdiskfs/dev-io.c +++ /dev/null @@ -1,59 +0,0 @@ -/* Device input and output - Copyright (C) 1992, 1993, 1994, 1995, 1996 Free Software Foundation, Inc. - -This file is part of the GNU Hurd. - -The GNU Hurd 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, or (at your option) -any later version. - -The GNU Hurd 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 GNU Hurd; see the file COPYING. If not, write to -the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#include <device/device.h> -#include <device/device_request.h> - -#include <diskfs.h> - -/* Write disk block ADDR with DATA of LEN bytes to DISKFS_DEVICE, waiting for - completion. ADDR is offset by DISKFS_DEVICE_START. If an error occurs, - EIO is returned. */ -error_t -diskfs_device_write_sync (off_t addr, vm_address_t data, size_t len) -{ - int written; - error_t err; - - assert (!diskfs_readonly); - err = device_write (diskfs_device, 0, diskfs_device_start + addr, - (io_buf_ptr_t) data, len, &written); - - if (err == D_READ_ONLY) - return EROFS; - else if (err || written != len) - return EIO; - return 0; -} - -/* Read disk block ADDR from DISKFS_DEVICE; put the address of the data in - DATA; read LEN bytes. Always *DATA should be a full page no matter what. - ADDR is offset by DISKFS_DEVICE_START. If an error occurs, EIO is - returned. */ -error_t -diskfs_device_read_sync (off_t addr, vm_address_t *data, size_t len) -{ - unsigned read; - if (device_read (diskfs_device, 0, diskfs_device_start + addr, len, - (io_buf_ptr_t *)data, &read) - || read != len) - return EIO; - return 0; -} - |