Lines Matching refs:superblock
49 * the backup group descriptors and superblock --- so use the
62 errcode_t ext2fs_open(const char *name, int flags, int superblock,
66 return ext2fs_open2(name, 0, flags, superblock, block_size,
71 * Note: if superblock is non-zero, block-size must also be non-zero.
72 * Superblock and block_size can be zero to use the default size.
82 int flags, int superblock,
145 superblock = 1;
151 * superblock, then he/she must also specify the block size!
152 * Otherwise, read the master superblock located at offset
155 * Note: we only save a backup copy of the superblock if we
156 * are reading the superblock from the primary superblock location.
158 if (superblock) {
164 group_block = superblock;
168 superblock = 1;
174 retval = io_channel_read_blk(fs->io, superblock, -SUPERBLOCK_SIZE,
