135 lines
3.3 KiB
C
135 lines
3.3 KiB
C
/*
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* mount.c - mount devices
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*
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* Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <common.h>
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#include <command.h>
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#include <fs.h>
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#include <errno.h>
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#include <getopt.h>
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#include <linux/err.h>
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static int do_mount(int argc, char *argv[])
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{
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int opt, verbose = 0;
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struct driver_d *drv;
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const char *type = NULL;
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const char *mountpoint, *dev;
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const char *fsoptions = NULL;
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while ((opt = getopt(argc, argv, "ao:t:v")) > 0) {
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switch (opt) {
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case 'a':
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mount_all();
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break;
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case 't':
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type = optarg;
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break;
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case 'o':
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fsoptions = optarg;
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break;
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case 'v':
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verbose++;
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break;
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}
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}
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if (argc == optind) {
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struct fs_device_d *fsdev;
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for_each_fs_device(fsdev) {
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printf("%s on %s type %s\n",
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fsdev->backingstore ? fsdev->backingstore : "none",
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fsdev->path,
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fsdev->dev.name);
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}
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if (verbose) {
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printf("\nSupported filesystems:\n\n");
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bus_for_each_driver(&fs_bus, drv) {
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struct fs_driver_d * fsdrv = drv_to_fs_driver(drv);
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printf("%s\n", fsdrv->drv.name);
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}
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}
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return 0;
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}
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if (argc == optind + 1) {
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struct cdev *cdev;
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const char *path, *devstr;
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devstr = argv[optind];
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if (!strncmp(devstr, "/dev/", 5))
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devstr += 5;
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cdev = cdev_by_name(devstr);
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if (!cdev)
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return -ENOENT;
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path = cdev_mount_default(cdev, fsoptions);
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if (IS_ERR(path))
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return PTR_ERR(path);
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printf("mounted /dev/%s on %s\n", devstr, path);
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return 0;
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}
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if (argc < optind + 2)
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return COMMAND_ERROR_USAGE;
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dev = argv[optind];
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if (argc == optind + 3) {
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/*
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* Old behaviour: mount <dev> <type> <mountpoint>
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*/
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type = argv[optind + 1];
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mountpoint = argv[optind + 2];
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} else {
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mountpoint = argv[optind + 1];
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}
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return mount(dev, type, mountpoint, fsoptions);
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}
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BAREBOX_CMD_HELP_START(mount)
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BAREBOX_CMD_HELP_TEXT("If no argument is given, list mounted filesystems.")
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BAREBOX_CMD_HELP_TEXT("If no FSTYPE is specified, try to detect it automatically.")
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BAREBOX_CMD_HELP_TEXT("With -a the mount command mounts all block devices whose filesystem")
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BAREBOX_CMD_HELP_TEXT("can be detected automatically to /mnt/PARTNAME")
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BAREBOX_CMD_HELP_TEXT("If mountpoint is not given, a standard mountpoint of /mnt/DEVICE")
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BAREBOX_CMD_HELP_TEXT("is used. This directoy is created automatically if necessary.")
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BAREBOX_CMD_HELP_TEXT("")
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BAREBOX_CMD_HELP_TEXT("Options:")
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BAREBOX_CMD_HELP_OPT("-a\t", "mount all blockdevices")
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BAREBOX_CMD_HELP_OPT("-t FSTYPE", "specify filesystem type")
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BAREBOX_CMD_HELP_OPT("-o OPTIONS", "set file system OPTIONS")
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BAREBOX_CMD_HELP_OPT("-v\t", "verbose")
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BAREBOX_CMD_HELP_END
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BAREBOX_CMD_START(mount)
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.cmd = do_mount,
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BAREBOX_CMD_DESC("mount a filesystem or list mounted filesystems")
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BAREBOX_CMD_OPTS("[[-atov] [DEVICE] [MOUNTPOINT]]")
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BAREBOX_CMD_GROUP(CMD_GRP_PART)
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BAREBOX_CMD_HELP(cmd_mount_help)
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BAREBOX_CMD_END
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