Esempi in C++ (Cpp) per ramfs_parse_options

Esempio n. 1

File: inode.c Progetto: AshishNamdev/linux

int ramfs_fill_super(struct super_block *sb, void *data, int silent)
{
	struct ramfs_fs_info *fsi;
	struct inode *inode;
	int err;

	save_mount_options(sb, data);

	fsi = kzalloc(sizeof(struct ramfs_fs_info), GFP_KERNEL);
	sb->s_fs_info = fsi;
	if (!fsi)
		return -ENOMEM;

	err = ramfs_parse_options(data, &fsi->mount_opts);
	if (err)
		return err;

	sb->s_maxbytes		= MAX_LFS_FILESIZE;
	sb->s_blocksize		= PAGE_SIZE;
	sb->s_blocksize_bits	= PAGE_SHIFT;
	sb->s_magic		= RAMFS_MAGIC;
	sb->s_op		= &ramfs_ops;
	sb->s_time_gran		= 1;

	inode = ramfs_get_inode(sb, NULL, S_IFDIR | fsi->mount_opts.mode, 0);
	sb->s_root = d_make_root(inode);
	if (!sb->s_root)
		return -ENOMEM;

	return 0;
}

Esempio n. 2

static int ramfs_fill_super(struct super_block * sb, void * data, int silent)
{
	struct ramfs_fs_info *fsi;
	struct inode *inode = NULL;
	struct dentry *root;
	int err;

	save_mount_options(sb, data);

	fsi = kzalloc(sizeof(struct ramfs_fs_info), GFP_KERNEL);
	sb->s_fs_info = fsi;
	if (!fsi) {
		err = -ENOMEM;
		goto fail;
	}

	err = ramfs_parse_options(data, &fsi->mount_opts);
	if (err)
		goto fail;

	sb->s_maxbytes		= MAX_LFS_FILESIZE;
	sb->s_blocksize		= PAGE_CACHE_SIZE;
	sb->s_blocksize_bits	= PAGE_CACHE_SHIFT;
	sb->s_magic		= RAMFS_MAGIC;
	sb->s_op		= &ramfs_ops;
	sb->s_time_gran		= 1;

	inode = ramfs_get_inode(sb, S_IFDIR | fsi->mount_opts.mode, 0);
	if (!inode) {
		err = -ENOMEM;
		goto fail;
	}

	root = d_alloc_root(inode);
	sb->s_root = root;
	if (!root) {
		err = -ENOMEM;
		goto fail;
	}

	return 0;
fail:
	kfree(fsi);
	sb->s_fs_info = NULL;
	iput(inode);
	return err;
}