alloc_tables.c revision 9ba400027fb00ce43d14673346bbfb6f5719985a
121c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o/* 221c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o * alloc_tables.c --- Allocate tables for a newly initialized 321c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o * filesystem. Used by mke2fs when initializing a filesystem 421c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o * 521c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o * Copyright (C) 1996 Theodore Ts'o. 621c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o * 721c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o * %Begin-Header% 821c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o * This file may be redistributed under the terms of the GNU Public 921c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o * License. 1021c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o * %End-Header% 1121c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o */ 1221c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o 1321c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o#include <stdio.h> 1421c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o#include <string.h> 154cbe8af4b0d0c72fb28bb500c1bd8a46b00fdde3Theodore Ts'o#if HAVE_UNISTD_H 1621c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o#include <unistd.h> 174cbe8af4b0d0c72fb28bb500c1bd8a46b00fdde3Theodore Ts'o#endif 1821c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o#include <fcntl.h> 1921c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o#include <time.h> 201d2ff46ae7533ffd038534b189f272d2a4122e4eTheodore Ts'o#if HAVE_SYS_STAT_H 2121c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o#include <sys/stat.h> 221d2ff46ae7533ffd038534b189f272d2a4122e4eTheodore Ts'o#endif 231d2ff46ae7533ffd038534b189f272d2a4122e4eTheodore Ts'o#if HAVE_SYS_TYPES_H 2421c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o#include <sys/types.h> 251d2ff46ae7533ffd038534b189f272d2a4122e4eTheodore Ts'o#endif 2621c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o 27b5abe6fac9c9e7caf4710501d1657d30e4857ef6Theodore Ts'o#include "ext2_fs.h" 2821c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o#include "ext2fs.h" 2921c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o 309ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o/* 319ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o * This routine searches for free blocks that can allocate a full 329ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o * group of bitmaps or inode tables for a flexbg group. Returns the 339ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o * block number with a correct offset were the bitmaps and inode 349ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o * tables can be allocated continously and in order. 359ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o */ 369ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'ostatic blk_t flexbg_offset(ext2_filsys fs, dgrp_t group, blk_t start_blk, 379ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o ext2fs_block_bitmap bmap, int offset, int size) 389ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o{ 399ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o int flexbg, flexbg_size, elem_size; 409ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o blk_t last_blk, first_free = 0; 419ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o dgrp_t last_grp; 429ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o 439ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o flexbg_size = 1 << fs->super->s_log_groups_per_flex; 449ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o flexbg = group / flexbg_size; 459ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o 469ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o if (size > fs->super->s_blocks_per_group / 8) 479ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o size = fs->super->s_blocks_per_group / 8; 489ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o 499ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o /* 509ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o * Dont do a long search if the previous block 519ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o * search is still valid. 529ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o */ 539ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o if (start_blk && group % flexbg_size) { 549ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o if (size > flexbg_size) 559ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o elem_size = fs->inode_blocks_per_group; 569ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o else 579ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o elem_size = 1; 589ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o if (ext2fs_test_block_bitmap_range(bmap, start_blk + elem_size, 599ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o size)) 609ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o return start_blk + elem_size; 619ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o } 629ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o 639ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o start_blk = ext2fs_group_first_block(fs, flexbg_size * flexbg); 649ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o last_grp = group | (flexbg_size - 1); 659ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o if (last_grp > fs->group_desc_count) 669ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o last_grp = fs->group_desc_count; 679ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o last_blk = ext2fs_group_last_block(fs, last_grp); 689ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o 699ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o /* Find the first available block */ 709ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o if (ext2fs_get_free_blocks(fs, start_blk, last_blk, 1, bmap, 719ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o &first_free)) 729ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o return first_free; 739ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o 749ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o if (ext2fs_get_free_blocks(fs, first_free + offset, last_blk, size, 759ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o bmap, &first_free)) 769ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o return first_free; 779ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o 789ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o return first_free; 799ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o} 809ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o 812eb374c9401079aa56aa12f0047ca3866e69b754Theodore Ts'oerrcode_t ext2fs_allocate_group_table(ext2_filsys fs, dgrp_t group, 821e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o ext2fs_block_bitmap bmap) 8321c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o{ 8421c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o errcode_t retval; 85521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o blk_t group_blk, start_blk, last_blk, new_blk, blk; 869ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o dgrp_t last_grp; 879ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o int j, rem_grps, flexbg_size = 0; 8821c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o 89abf23439d51a3ddbca475b931abebd381ff7ceeaEric Sandeen group_blk = ext2fs_group_first_block(fs, group); 90abf23439d51a3ddbca475b931abebd381ff7ceeaEric Sandeen last_blk = ext2fs_group_last_block(fs, group); 912ecc6fefa176f3203598225eb9ae2f61c3ae9c10Theodore Ts'o 921e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o if (!bmap) 931e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o bmap = fs->block_map; 949ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o 959ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o if (EXT2_HAS_INCOMPAT_FEATURE(fs->super, 969ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o EXT4_FEATURE_INCOMPAT_FLEX_BG) && 979ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o fs->super->s_log_groups_per_flex) { 989ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o flexbg_size = 1 << fs->super->s_log_groups_per_flex; 999ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o last_grp = group | (flexbg_size - 1); 1009ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o rem_grps = last_grp - group; 1019ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o if (last_grp > fs->group_desc_count) 1029ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o last_grp = fs->group_desc_count; 1039ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o } 1041e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o 1051e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o /* 1061e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o * Allocate the block and inode bitmaps, if necessary 1071e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o */ 1081e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o if (fs->stride) { 109bc2699f018586f21825e056eb6053686c23804feTheodore Ts'o retval = ext2fs_get_free_blocks(fs, group_blk, last_blk, 110bc2699f018586f21825e056eb6053686c23804feTheodore Ts'o 1, bmap, &start_blk); 111bc2699f018586f21825e056eb6053686c23804feTheodore Ts'o if (retval) 112bc2699f018586f21825e056eb6053686c23804feTheodore Ts'o return retval; 113bc2699f018586f21825e056eb6053686c23804feTheodore Ts'o start_blk += fs->inode_blocks_per_group; 1141e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o start_blk += ((fs->stride * group) % 115abf23439d51a3ddbca475b931abebd381ff7ceeaEric Sandeen (last_blk - start_blk + 1)); 116abf23439d51a3ddbca475b931abebd381ff7ceeaEric Sandeen if (start_blk >= last_blk) 117a29f4d30f24d68f1f1c75548e020689ede532c05Theodore Ts'o start_blk = group_blk; 1181e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o } else 1191e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o start_blk = group_blk; 1201e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o 1219ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o if (flexbg_size) { 1229ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o int prev_block = 0; 1239ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o if (group && fs->group_desc[group-1].bg_block_bitmap) 1249ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o prev_block = fs->group_desc[group-1].bg_block_bitmap; 1259ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o start_blk = flexbg_offset(fs, group, prev_block, bmap, 1269ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o 0, rem_grps); 1279ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o last_blk = ext2fs_group_last_block(fs, last_grp); 1289ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o } 1299ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o 1301e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o if (!fs->group_desc[group].bg_block_bitmap) { 131521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o retval = ext2fs_get_free_blocks(fs, start_blk, last_blk, 1321e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o 1, bmap, &new_blk); 13303673dbb04a3458ce78a394f27d17d434b51a714Theodore Ts'o if (retval == EXT2_ET_BLOCK_ALLOC_FAIL) 13403673dbb04a3458ce78a394f27d17d434b51a714Theodore Ts'o retval = ext2fs_get_free_blocks(fs, group_blk, 13503673dbb04a3458ce78a394f27d17d434b51a714Theodore Ts'o last_blk, 1, bmap, &new_blk); 13621c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o if (retval) 13721c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o return retval; 1381e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o ext2fs_mark_block_bitmap(bmap, new_blk); 1391e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o fs->group_desc[group].bg_block_bitmap = new_blk; 1409ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o if (flexbg_size) { 1419ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o dgrp_t gr = ext2fs_group_of_blk(fs, new_blk); 1429ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o fs->group_desc[gr].bg_free_blocks_count--; 1439ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o fs->super->s_free_blocks_count--; 1449ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o fs->group_desc[gr].bg_flags &= ~EXT2_BG_BLOCK_UNINIT; 1459ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o ext2fs_group_desc_csum_set(fs, gr); 1469ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o } 1479ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o } 1489ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o 1499ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o if (flexbg_size) { 1509ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o int prev_block = 0; 1519ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o if (group && fs->group_desc[group-1].bg_inode_bitmap) 1529ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o prev_block = fs->group_desc[group-1].bg_inode_bitmap; 1539ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o start_blk = flexbg_offset(fs, group, prev_block, bmap, 1549ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o flexbg_size, rem_grps); 1559ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o last_blk = ext2fs_group_last_block(fs, last_grp); 1561e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o } 15721c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o 1581e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o if (!fs->group_desc[group].bg_inode_bitmap) { 159521e36857227b21e7ab47b0a97f788d2af9f9717Theodore Ts'o retval = ext2fs_get_free_blocks(fs, start_blk, last_blk, 1601e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o 1, bmap, &new_blk); 16103673dbb04a3458ce78a394f27d17d434b51a714Theodore Ts'o if (retval == EXT2_ET_BLOCK_ALLOC_FAIL) 16203673dbb04a3458ce78a394f27d17d434b51a714Theodore Ts'o retval = ext2fs_get_free_blocks(fs, group_blk, 16303673dbb04a3458ce78a394f27d17d434b51a714Theodore Ts'o last_blk, 1, bmap, &new_blk); 16421c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o if (retval) 16521c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o return retval; 1661e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o ext2fs_mark_block_bitmap(bmap, new_blk); 1671e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o fs->group_desc[group].bg_inode_bitmap = new_blk; 1689ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o if (flexbg_size) { 1699ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o dgrp_t gr = ext2fs_group_of_blk(fs, new_blk); 1709ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o fs->group_desc[gr].bg_free_blocks_count--; 1719ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o fs->super->s_free_blocks_count--; 1729ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o fs->group_desc[gr].bg_flags &= ~EXT2_BG_BLOCK_UNINIT; 1739ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o ext2fs_group_desc_csum_set(fs, gr); 1749ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o } 1751e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o } 17676dd5e5c2842fb1a7b858aad3e68b5e9c16890c9Theodore Ts'o 17776dd5e5c2842fb1a7b858aad3e68b5e9c16890c9Theodore Ts'o /* 17876dd5e5c2842fb1a7b858aad3e68b5e9c16890c9Theodore Ts'o * Allocate the inode table 17976dd5e5c2842fb1a7b858aad3e68b5e9c16890c9Theodore Ts'o */ 1809ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o if (flexbg_size) { 1819ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o int prev_block = 0; 1829ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o if (group && fs->group_desc[group-1].bg_inode_table) 1839ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o prev_block = fs->group_desc[group-1].bg_inode_table; 1849ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o group_blk = flexbg_offset(fs, group, prev_block, bmap, 1859ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o flexbg_size * 2, 1869ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o fs->inode_blocks_per_group * 1879ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o rem_grps); 1889ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o last_blk = ext2fs_group_last_block(fs, last_grp); 1899ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o } 1909ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o 19176dd5e5c2842fb1a7b858aad3e68b5e9c16890c9Theodore Ts'o if (!fs->group_desc[group].bg_inode_table) { 19276dd5e5c2842fb1a7b858aad3e68b5e9c16890c9Theodore Ts'o retval = ext2fs_get_free_blocks(fs, group_blk, last_blk, 19376dd5e5c2842fb1a7b858aad3e68b5e9c16890c9Theodore Ts'o fs->inode_blocks_per_group, 19476dd5e5c2842fb1a7b858aad3e68b5e9c16890c9Theodore Ts'o bmap, &new_blk); 19576dd5e5c2842fb1a7b858aad3e68b5e9c16890c9Theodore Ts'o if (retval) 19676dd5e5c2842fb1a7b858aad3e68b5e9c16890c9Theodore Ts'o return retval; 19776dd5e5c2842fb1a7b858aad3e68b5e9c16890c9Theodore Ts'o for (j=0, blk = new_blk; 19876dd5e5c2842fb1a7b858aad3e68b5e9c16890c9Theodore Ts'o j < fs->inode_blocks_per_group; 1999ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o j++, blk++) { 20076dd5e5c2842fb1a7b858aad3e68b5e9c16890c9Theodore Ts'o ext2fs_mark_block_bitmap(bmap, blk); 2019ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o if (flexbg_size) { 2029ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o dgrp_t gr = ext2fs_group_of_blk(fs, blk); 2039ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o fs->group_desc[gr].bg_free_blocks_count--; 2049ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o fs->super->s_free_blocks_count--; 2059ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o fs->group_desc[gr].bg_flags &= ~EXT2_BG_BLOCK_UNINIT; 2069ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o ext2fs_group_desc_csum_set(fs, gr); 2079ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o } 2089ba400027fb00ce43d14673346bbfb6f5719985aTheodore Ts'o } 20976dd5e5c2842fb1a7b858aad3e68b5e9c16890c9Theodore Ts'o fs->group_desc[group].bg_inode_table = new_blk; 21076dd5e5c2842fb1a7b858aad3e68b5e9c16890c9Theodore Ts'o } 211d4f34d41be97e23db07d5ed606fcc1a26f5a3c76Jose R. Santos ext2fs_group_desc_csum_set(fs, group); 2121e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o return 0; 2131e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o} 2141e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o 2151e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'oerrcode_t ext2fs_allocate_tables(ext2_filsys fs) 2161e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o{ 2171e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o errcode_t retval; 2182eb374c9401079aa56aa12f0047ca3866e69b754Theodore Ts'o dgrp_t i; 21921c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o 2201e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o for (i = 0; i < fs->group_desc_count; i++) { 2211e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o retval = ext2fs_allocate_group_table(fs, i, fs->block_map); 2221e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o if (retval) 2231e1da29fbd4204a267ebd7c64d37e1f95a9dad08Theodore Ts'o return retval; 22421c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o } 22521c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o return 0; 22621c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o} 22721c84b71e205b5ab13f14343da5645dcc985856dTheodore Ts'o 228