Lines Matching defs:superblock
50 * the backup group descriptors and superblock --- so use the
63 errcode_t ext2fs_open(const char *name, int flags, int superblock,
67 return ext2fs_open2(name, 0, flags, superblock, block_size,
72 * Note: if superblock is non-zero, block-size must also be non-zero.
83 int flags, int superblock,
143 superblock = 1;
149 * superblock, then he/she must also specify the block size!
150 * Otherwise, read the master superblock located at offset
153 * Note: we only save a backup copy of the superblock if we
154 * are reading the superblock from the primary superblock location.
156 if (superblock) {
162 group_block = superblock;
166 superblock = 1;
172 retval = io_channel_read_blk(fs->io, superblock, -SUPERBLOCK_SIZE,