diff options
author | Thomas Bushnell <thomas@gnu.org> | 1999-06-29 09:00:20 +0000 |
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committer | Thomas Bushnell <thomas@gnu.org> | 1999-06-29 09:00:20 +0000 |
commit | fa08564735ca95d4dd9373545eb202288c14524c (patch) | |
tree | 71aecd0f6721fc204641edc1b7e41ff04203cf02 /libdiskfs/dev-open.c | |
parent | 45e9b9e5b132ab0571210a671695d1d8dcc5f882 (diff) |
1999-06-29 Thomas Bushnell, BSG <tb@mit.edu>
* hyper.c (diskfs_readonly_changed): Adjust whether the store
should permit writes too.
Diffstat (limited to 'libdiskfs/dev-open.c')
-rw-r--r-- | libdiskfs/dev-open.c | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/libdiskfs/dev-open.c b/libdiskfs/dev-open.c deleted file mode 100644 index 5b45c30e..00000000 --- a/libdiskfs/dev-open.c +++ /dev/null @@ -1,66 +0,0 @@ -/* Standard device opening - - Copyright (C) 1995 Free Software Foundation, Inc. - - Written by Miles Bader <miles@gnu.ai.mit.edu> - - 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 this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#include <diskfs.h> - -/* Uses the values of DISKFS_DEVICE_ARG and DISKFS_USE_MACH_DEVICE, and - attempts to open the device and set the values of DISKFS_DEVICE, - DISKFS_DEVICE_NAME, DISKFS_DEVICE_START, DISKFS_DEVICE_SIZE, and - DISKFS_DEVICE_BLOCK_SIZE. */ -error_t -diskfs_device_open () -{ - error_t err; - if (diskfs_use_mach_device) - { - diskfs_device_name = diskfs_device_arg; - err = - diskfs_get_mach_device (diskfs_device_name, &diskfs_device, - &diskfs_device_start, &diskfs_device_size, - &diskfs_device_block_size); - } - else - err = - diskfs_get_file_device (diskfs_device_arg, - &diskfs_device_name, &diskfs_device, - &diskfs_device_start, &diskfs_device_size, - &diskfs_device_block_size); - - if (! err) - { - diskfs_log2_device_block_size = 0; - while ((1 << diskfs_log2_device_block_size) < diskfs_device_block_size) - diskfs_log2_device_block_size++; - while ((1 << diskfs_log2_device_block_size) != diskfs_device_block_size) - diskfs_log2_device_block_size = 0; - - diskfs_log2_device_blocks_per_page = 0; - while ((diskfs_device_block_size << diskfs_log2_device_blocks_per_page) - < vm_page_size) - diskfs_log2_device_blocks_per_page++; - if ((diskfs_device_block_size << diskfs_log2_device_blocks_per_page) - != vm_page_size) - diskfs_log2_device_blocks_per_page = 0; - } - - return err; -} |