41 static inline struct cramfs_sb_info *CRAMFS_SB(struct super_block *sb)  in CRAMFS_SB()  argument
43 	return sb->s_fs_info;  in CRAMFS_SB()
80 static struct inode *get_cramfs_inode(struct super_block *sb,  in get_cramfs_inode()  argument
86 	inode = iget_locked(sb, cramino(cramfs_inode, offset));  in get_cramfs_inode()
165 static void *cramfs_read(struct super_block *sb, unsigned int offset, unsigned int len)  in cramfs_read()  argument
167 	struct address_space *mapping = sb->s_bdev->bd_inode->i_mapping;  in cramfs_read()
182 		if (buffer_dev[i] != sb)  in cramfs_read()
224 	buffer_dev[buffer] = sb;  in cramfs_read()
241 static void cramfs_kill_sb(struct super_block *sb)  in cramfs_kill_sb()  argument
243 	struct cramfs_sb_info *sbi = CRAMFS_SB(sb);  in cramfs_kill_sb()
245 	kill_block_super(sb);  in cramfs_kill_sb()
249 static int cramfs_remount(struct super_block *sb, int *flags, char *data)  in cramfs_remount()  argument
251 	sync_filesystem(sb);  in cramfs_remount()
256 static int cramfs_fill_super(struct super_block *sb, void *data, int silent)  in cramfs_fill_super()  argument
264 	sb->s_flags |= MS_RDONLY;  in cramfs_fill_super()
269 	sb->s_fs_info = sbi;  in cramfs_fill_super()
277 	memcpy(&super, cramfs_read(sb, 0, sizeof(super)), sizeof(super));  in cramfs_fill_super()
291 		memcpy(&super, cramfs_read(sb, 512, sizeof(super)), sizeof(super));  in cramfs_fill_super()
339 	sb->s_op = &cramfs_ops;  in cramfs_fill_super()
340 	root = get_cramfs_inode(sb, &super.root, 0);  in cramfs_fill_super()
343 	sb->s_root = d_make_root(root);  in cramfs_fill_super()
344 	if (!sb->s_root)  in cramfs_fill_super()
351 	struct super_block *sb = dentry->d_sb;  in cramfs_statfs()  local
352 	u64 id = huge_encode_dev(sb->s_bdev->bd_dev);  in cramfs_statfs()
356 	buf->f_blocks = CRAMFS_SB(sb)->blocks;  in cramfs_statfs()
359 	buf->f_files = CRAMFS_SB(sb)->files;  in cramfs_statfs()
373 	struct super_block *sb = inode->i_sb;  in cramfs_readdir()  local
398 		de = cramfs_read(sb, OFFSET(inode) + offset, sizeof(*de)+CRAMFS_MAXPATHLEN);  in cramfs_readdir()
503 		struct super_block *sb = inode->i_sb;  in cramfs_readpage()  local
510 			start_offset = *(u32 *) cramfs_read(sb, blkptr_offset-4,  in cramfs_readpage()
512 		compr_len = (*(u32 *) cramfs_read(sb, blkptr_offset, 4) -  in cramfs_readpage()
526 				 cramfs_read(sb, start_offset, compr_len),  in cramfs_readpage()