void __init mount_block_root(char *name, int flags) { char *fs_names = __getname(); char *p; char b[BDEVNAME_SIZE]; get_fs_names(fs_names); retry: for (p = fs_names; *p; p += strlen(p)+1) { int err = do_mount_root(name, p, flags, root_mount_data); switch (err) { case 0: goto out; case -EACCES: flags |= MS_RDONLY; goto retry; case -EINVAL: continue; } /* * Allow the user to distinguish between failed sys_open * and bad superblock on root device. */ __bdevname(ROOT_DEV, b); printk("VFS: Cannot open root device \"%s\" or %s\n", root_device_name, b); printk("Please append a correct \"root=\" boot option\n"); panic("VFS: Unable to mount root fs on %s", b); } panic("VFS: Unable to mount root fs on %s", __bdevname(ROOT_DEV, b)); out: putname(fs_names); }
void __init mount_block_root(char *name, int flags) { struct page *page = alloc_page(GFP_KERNEL | __GFP_NOTRACK_FALSE_POSITIVE); char *fs_names = page_address(page); char *p; #ifdef CONFIG_BLOCK char b[BDEVNAME_SIZE]; #else const char *b = name; #endif get_fs_names(fs_names); retry: for (p = fs_names; *p; p += strlen(p)+1) { int err = do_mount_root(name, p, flags, root_mount_data); switch (err) { case 0: goto out; case -EACCES: case -EINVAL: continue; } /* * Allow the user to distinguish between failed sys_open * and bad superblock on root device. * and give them a list of the available devices */ #ifdef CONFIG_BLOCK __bdevname(ROOT_DEV, b); #endif printk("VFS: Cannot open root device \"%s\" or %s: error %d\n", root_device_name, b, err); printk("Please append a correct \"root=\" boot option; here are the available partitions:\n"); printk_all_partitions(); #ifdef CONFIG_DEBUG_BLOCK_EXT_DEVT printk("DEBUG_BLOCK_EXT_DEVT is enabled, you need to specify " "explicit textual name for \"root=\" boot option.\n"); #endif panic("VFS: Unable to mount root fs on %s", b); } if (!(flags & MS_RDONLY)) { flags |= MS_RDONLY; goto retry; } printk("List of all partitions:\n"); printk_all_partitions(); printk("No filesystem could mount root, tried: "); for (p = fs_names; *p; p += strlen(p)+1) printk(" %s", p); printk("\n"); #ifdef CONFIG_BLOCK __bdevname(ROOT_DEV, b); #endif panic("VFS: Unable to mount root fs on %s", b); out: put_page(page); }
void __init mount_block_root(char *name, int flags) { char *fs_names = __getname(); char *p; #ifdef CONFIG_BLOCK char b[BDEVNAME_SIZE]; #else const char *b = name; #endif get_fs_names(fs_names); retry: for (p = fs_names; *p; p += strlen(p)+1) { int err = do_mount_root(name, p, flags, root_mount_data); switch (err) { case 0: goto out; case -EACCES: flags |= MS_RDONLY; goto retry; case -EINVAL: continue; } /* * Allow the user to distinguish between failed sys_open * and bad superblock on root device. * and give them a list of the available devices */ #ifdef CONFIG_BLOCK __bdevname(ROOT_DEV, b); #endif printk("VFS: Cannot open root device \"%s\" or %s\n", root_device_name, b); printk("Please append a correct \"root=\" boot option; here are the available partitions:\n"); printk_all_partitions(); panic("VFS: Unable to mount root fs on %s", b); } printk("List of all partitions:\n"); printk_all_partitions(); printk("No filesystem could mount root, tried: "); for (p = fs_names; *p; p += strlen(p)+1) printk(" %s", p); printk("\n"); #ifdef CONFIG_BLOCK __bdevname(ROOT_DEV, b); #endif panic("VFS: Unable to mount root fs on %s", b); out: putname(fs_names); }
static void __init mount_block_root(char *name, int flags) { char *fs_names = __getname(); char *p; get_fs_names(fs_names); retry: for (p = fs_names; *p; p += strlen(p)+1) { int err = sys_mount(name, "/root", p, flags, root_mount_data); switch (err) { case 0: goto out; case -EACCES: flags |= MS_RDONLY; goto retry; case -EINVAL: case -EBUSY: continue; } /* * Allow the user to distinguish between failed open * and bad superblock on root device. */ printk ("VFS: Cannot open root device \"%s\" or %s\n", root_device_name, kdevname (ROOT_DEV)); printk ("Please append a correct \"root=\" boot option\n"); panic("VFS: Unable to mount root fs on %s", kdevname(ROOT_DEV)); } panic("VFS: Unable to mount root fs on %s", kdevname(ROOT_DEV)); out: putname(fs_names); sys_chdir("/root"); ROOT_DEV = current->fs->pwdmnt->mnt_sb->s_dev; printk("VFS: Mounted root (%s filesystem)%s.\n", current->fs->pwdmnt->mnt_sb->s_type->name, (current->fs->pwdmnt->mnt_sb->s_flags & MS_RDONLY) ? " readonly" : ""); }