82 static int release_inode_block(ext2_filsys fs,  in release_inode_block()  argument
93 	blk64_t			cluster = EXT2FS_B2C(fs, *block_nr);  in release_inode_block()
111 	if ((blk < fs->super->s_first_data_block) ||  in release_inode_block()
112 	    (blk >= ext2fs_blocks_count(fs->super))) {  in release_inode_block()
119 	if (!ext2fs_test_block_bitmap2(fs->block_map, blk)) {  in release_inode_block()
138 			pb->errcode = io_channel_read_blk64(fs->io, blk, 1,  in release_inode_block()
143 			limit = fs->blocksize >> 2;  in release_inode_block()
160 			pb->errcode = io_channel_read_blk64(fs->io, blk, 1,  in release_inode_block()
165 			       fs->blocksize - pb->truncate_offset);  in release_inode_block()
166 			pb->errcode = io_channel_write_blk64(fs->io, blk, 1,  in release_inode_block()
177 		quota_data_sub(ctx->qctx, pb->inode, 0, ctx->fs->blocksize);  in release_inode_block()
178 	ext2fs_block_alloc_stats2(fs, blk, -1);  in release_inode_block()
193 	ext2_filsys			fs = ctx->fs;  in release_inode_blocks()  local
198 	if (!ext2fs_inode_has_valid_blocks2(fs, EXT2_INODE(inode)))  in release_inode_blocks()
201 	pb.buf = block_buf + 3 * ctx->fs->blocksize;  in release_inode_blocks()
211 			((EXT2_I_SIZE(inode) + fs->blocksize - 1) /  in release_inode_blocks()
212 			 fs->blocksize);  in release_inode_blocks()
213 		pb.truncate_offset = inode->i_size % fs->blocksize;  in release_inode_blocks()
220 	retval = ext2fs_block_iterate3(fs, ino, BLOCK_FLAG_DEPTH_TRAVERSE,  in release_inode_blocks()
236 		ext2fs_iblk_sub_blocks(fs, EXT2_INODE(inode),  in release_inode_blocks()
239 	blk = ext2fs_file_acl_block(fs, EXT2_INODE(inode));  in release_inode_blocks()
241 		retval = ext2fs_adjust_ea_refcount3(fs, blk, block_buf, -1,  in release_inode_blocks()
256 						ctx->fs->blocksize);  in release_inode_blocks()
257 			ext2fs_block_alloc_stats2(fs, blk, -1);  in release_inode_blocks()
260 		ext2fs_file_acl_block_set(fs, EXT2_INODE(inode), 0);  in release_inode_blocks()
272 	if (!ext2fs_has_feature_quota(ctx->fs->super))  in e2fsck_read_all_quotas()
275 	retval = quota_init_context(&ctx->qctx, ctx->fs, 0);  in e2fsck_read_all_quotas()
280 		qf_ino = *quota_sb_inump(ctx->fs->super, qtype);  in e2fsck_read_all_quotas()
299 	if (!ext2fs_has_feature_quota(ctx->fs->super))  in e2fsck_write_all_quotas()
322 	ext2_filsys fs = ctx->fs;  in release_orphan_inodes()  local
328 	if ((ino = fs->super->s_last_orphan) == 0)  in release_orphan_inodes()
342 	fs->super->s_last_orphan = 0;  in release_orphan_inodes()
343 	ext2fs_mark_super_dirty(fs);  in release_orphan_inodes()
350 	if (fs->super->s_state & EXT2_ERROR_FS) {  in release_orphan_inodes()
356 	if ((ino < EXT2_FIRST_INODE(fs->super)) ||  in release_orphan_inodes()
357 	    (ino > fs->super->s_inodes_count)) {  in release_orphan_inodes()
364 	block_buf = (char *) e2fsck_allocate_memory(ctx, fs->blocksize * 4,  in release_orphan_inodes()
381 		    ((next_ino < EXT2_FIRST_INODE(fs->super)) ||  in release_orphan_inodes()
382 		     (next_ino > fs->super->s_inodes_count))) {  in release_orphan_inodes()
394 			ext2fs_inode_alloc_stats2(fs, ino, -1,  in release_orphan_inodes()
427 	ext2_filsys fs = ctx->fs;  in check_resize_inode()  local
439 	if (ext2fs_has_feature_resize_inode(fs->super) &&  in check_resize_inode()
440 	    ext2fs_has_feature_meta_bg(fs->super) &&  in check_resize_inode()
442 		ext2fs_clear_feature_resize_inode(fs->super);  in check_resize_inode()
443 		fs->super->s_reserved_gdt_blocks = 0;  in check_resize_inode()
444 		ext2fs_mark_super_dirty(fs);  in check_resize_inode()
451 	if (!ext2fs_has_feature_resize_inode(fs->super)) {  in check_resize_inode()
452 		if (fs->super->s_reserved_gdt_blocks) {  in check_resize_inode()
453 			pctx.num = fs->super->s_reserved_gdt_blocks;  in check_resize_inode()
456 				fs->super->s_reserved_gdt_blocks = 0;  in check_resize_inode()
457 				ext2fs_mark_super_dirty(fs);  in check_resize_inode()
464 	retval = ext2fs_read_inode(fs, EXT2_RESIZE_INO, &inode);  in check_resize_inode()
466 		if (ext2fs_has_feature_resize_inode(fs->super))  in check_resize_inode()
475 	if (!ext2fs_has_feature_resize_inode(fs->super)) {  in check_resize_inode()
500 	    (blk < fs->super->s_first_data_block ||  in check_resize_inode()
501 	     blk >= ext2fs_blocks_count(fs->super))) {  in check_resize_inode()
510 			fs->super->s_state &= ~EXT2_VALID_FS;  in check_resize_inode()
511 			ext2fs_mark_super_dirty(fs);  in check_resize_inode()
515 	dind_buf = (__u32 *) e2fsck_allocate_memory(ctx, fs->blocksize * 2,  in check_resize_inode()
517 	ind_buf = (__u32 *) ((char *) dind_buf + fs->blocksize);  in check_resize_inode()
519 	retval = ext2fs_read_ind_block(fs, blk, dind_buf);  in check_resize_inode()
523 	gdt_off = fs->desc_blocks;  in check_resize_inode()
524 	pblk = fs->super->s_first_data_block + 1 + fs->desc_blocks;  in check_resize_inode()
525 	if (fs->blocksize == 1024 && fs->super->s_first_data_block == 0)  in check_resize_inode()
527 	for (i = 0; i < fs->super->s_reserved_gdt_blocks / 4;  in check_resize_inode()
529 		gdt_off %= fs->blocksize/4;  in check_resize_inode()
532 		retval = ext2fs_read_ind_block(fs, pblk, ind_buf);  in check_resize_inode()
536 		for (j = 1; j < fs->group_desc_count; j++) {  in check_resize_inode()
537 			if (!ext2fs_bg_has_super(fs, j))  in check_resize_inode()
539 			expect = pblk + EXT2_GROUPS_TO_BLOCKS(fs->super, j);  in check_resize_inode()
557 	struct ext2_super_block *sb = ctx->fs->super;  in e2fsck_fix_dirhash_hint()
575 		ext2fs_mark_super_dirty(ctx->fs);  in e2fsck_fix_dirhash_hint()
582 	ext2_filsys fs = ctx->fs;  in check_super_block()  local
584 	struct ext2_super_block *sb = fs->super;  in check_super_block()
587 	blk64_t	blocks_per_group = fs->super->s_blocks_per_group;  in check_super_block()
601 	inodes_per_block = EXT2_INODES_PER_BLOCK(fs->super);  in check_super_block()
608 	bpg_max = 8 * EXT2_BLOCK_SIZE(sb) * EXT2FS_CLUSTER_RATIO(fs);  in check_super_block()
613 		 sizeof(int) * fs->group_desc_count, "invalid_inode_bitmap");  in check_super_block()
615 		 sizeof(int) * fs->group_desc_count, "invalid_block_bitmap");  in check_super_block()
617 		sizeof(int) * fs->group_desc_count, "invalid_inode_table");  in check_super_block()
619 	blks_max = (1ULL << 32) * EXT2_MAX_BLOCKS_PER_GROUP(fs->super);  in check_super_block()
620 	if (ext2fs_has_feature_64bit(fs->super)) {  in check_super_block()
667 			       fs->blocksize / sizeof(__u32)))  in check_super_block()
674 	should_be = (__u64)sb->s_inodes_per_group * fs->group_desc_count;  in check_super_block()
686 			ext2fs_mark_super_dirty(fs);  in check_super_block()
703 			       EXT2_GOOD_OLD_INODE_SIZE, fs->blocksize))  in check_super_block()
706 				       EXT2FS_CLUSTER_RATIO(fs))) {  in check_super_block()
707 		pctx.num = sb->s_clusters_per_group * EXT2FS_CLUSTER_RATIO(fs);  in check_super_block()
725 		     EXT2FS_CLUSTER_RATIO(fs) == 1) ? 1 : 0;  in check_super_block()
748 			ext2fs_mark_super_dirty(fs);  in check_super_block()
759 			ext2fs_mark_super_dirty(fs);  in check_super_block()
764 	if (ext2fs_has_feature_metadata_csum(fs->super) &&  in check_super_block()
765 	    ext2fs_has_feature_gdt_csum(fs->super) &&  in check_super_block()
767 		ext2fs_clear_feature_gdt_csum(fs->super);  in check_super_block()
768 		ext2fs_mark_super_dirty(fs);  in check_super_block()
769 		for (i = 0; i < fs->group_desc_count; i++)  in check_super_block()
770 			ext2fs_group_desc_csum_set(fs, i);  in check_super_block()
774 	if (!ext2fs_has_feature_metadata_csum(fs->super) &&  in check_super_block()
775 	    ext2fs_has_feature_csum_seed(fs->super) &&  in check_super_block()
777 		ext2fs_clear_feature_csum_seed(fs->super);  in check_super_block()
778 		fs->super->s_checksum_seed = 0;  in check_super_block()
779 		ext2fs_mark_super_dirty(fs);  in check_super_block()
783 	if (ext2fs_has_feature_64bit(fs->super) &&  in check_super_block()
784 	    !ext2fs_has_feature_extents(fs->super) &&  in check_super_block()
786 		ext2fs_set_feature_extents(fs->super);  in check_super_block()
787 		ext2fs_mark_super_dirty(fs);  in check_super_block()
792 		ext2fs_set_feature_extents(fs->super);  in check_super_block()
793 		ext2fs_mark_super_dirty(fs);  in check_super_block()
796 	if (ext2fs_has_feature_meta_bg(fs->super) &&  in check_super_block()
797 	    (fs->super->s_first_meta_bg > fs->desc_blocks)) {  in check_super_block()
798 		pctx.group = fs->desc_blocks;  in check_super_block()
799 		pctx.num = fs->super->s_first_meta_bg;  in check_super_block()
801 			ext2fs_clear_feature_meta_bg(fs->super);  in check_super_block()
802 			fs->super->s_first_meta_bg = 0;  in check_super_block()
803 			ext2fs_mark_super_dirty(fs);  in check_super_block()
813 	csum_flag = ext2fs_has_group_desc_csum(fs);  in check_super_block()
814 	for (i = 0; i < fs->group_desc_count; i++) {  in check_super_block()
817 		if (!ext2fs_has_feature_flex_bg(fs->super)) {  in check_super_block()
818 			first_block = ext2fs_group_first_block2(fs, i);  in check_super_block()
819 			last_block = ext2fs_group_last_block2(fs, i);  in check_super_block()
822 		if ((ext2fs_block_bitmap_loc(fs, i) < first_block) ||  in check_super_block()
823 		    (ext2fs_block_bitmap_loc(fs, i) > last_block)) {  in check_super_block()
824 			pctx.blk = ext2fs_block_bitmap_loc(fs, i);  in check_super_block()
826 				ext2fs_block_bitmap_loc_set(fs, i, 0);  in check_super_block()
828 		if (ext2fs_block_bitmap_loc(fs, i) == 0) {  in check_super_block()
832 		if ((ext2fs_inode_bitmap_loc(fs, i) < first_block) ||  in check_super_block()
833 		    (ext2fs_inode_bitmap_loc(fs, i) > last_block)) {  in check_super_block()
834 			pctx.blk = ext2fs_inode_bitmap_loc(fs, i);  in check_super_block()
836 				ext2fs_inode_bitmap_loc_set(fs, i, 0);  in check_super_block()
838 		if (ext2fs_inode_bitmap_loc(fs, i) == 0) {  in check_super_block()
842 		if ((ext2fs_inode_table_loc(fs, i) < first_block) ||  in check_super_block()
843 		    ((ext2fs_inode_table_loc(fs, i) +  in check_super_block()
844 		      fs->inode_blocks_per_group - 1) > last_block)) {  in check_super_block()
845 			pctx.blk = ext2fs_inode_table_loc(fs, i);  in check_super_block()
847 				ext2fs_inode_table_loc_set(fs, i, 0);  in check_super_block()
849 		if (ext2fs_inode_table_loc(fs, i) == 0) {  in check_super_block()
853 		free_blocks += ext2fs_bg_free_blocks_count(fs, i);  in check_super_block()
854 		free_inodes += ext2fs_bg_free_inodes_count(fs, i);  in check_super_block()
856 		if ((ext2fs_bg_free_blocks_count(fs, i) > sb->s_blocks_per_group) ||  in check_super_block()
857 		    (ext2fs_bg_free_inodes_count(fs, i) > sb->s_inodes_per_group) ||  in check_super_block()
858 		    (ext2fs_bg_used_dirs_count(fs, i) > sb->s_inodes_per_group))  in check_super_block()
859 			ext2fs_unmark_valid(fs);  in check_super_block()
862 		if (!ext2fs_group_desc_csum_verify(fs, i)) {  in check_super_block()
863 			pctx.csum1 = ext2fs_bg_checksum(fs, i);  in check_super_block()
864 			pctx.csum2 = ext2fs_group_desc_csum(fs, i);  in check_super_block()
866 				ext2fs_bg_flags_clear(fs, i, EXT2_BG_BLOCK_UNINIT);  in check_super_block()
867 				ext2fs_bg_flags_clear(fs, i, EXT2_BG_INODE_UNINIT);  in check_super_block()
868 				ext2fs_bg_itable_unused_set(fs, i, 0);  in check_super_block()
871 			ext2fs_unmark_valid(fs);  in check_super_block()
875 		    (ext2fs_bg_flags_test(fs, i, EXT2_BG_BLOCK_UNINIT) ||  in check_super_block()
876 		     ext2fs_bg_flags_test(fs, i, EXT2_BG_INODE_UNINIT) ||  in check_super_block()
877 		     ext2fs_bg_itable_unused(fs, i) != 0)) {  in check_super_block()
879 				ext2fs_bg_flags_clear(fs, i, EXT2_BG_BLOCK_UNINIT);  in check_super_block()
880 				ext2fs_bg_flags_clear(fs, i, EXT2_BG_INODE_UNINIT);  in check_super_block()
881 				ext2fs_bg_itable_unused_set(fs, i, 0);  in check_super_block()
884 			ext2fs_unmark_valid(fs);  in check_super_block()
887 		if (i == fs->group_desc_count - 1 &&  in check_super_block()
888 		    ext2fs_bg_flags_test(fs, i, EXT2_BG_BLOCK_UNINIT)) {  in check_super_block()
890 				ext2fs_bg_flags_clear(fs, i, EXT2_BG_BLOCK_UNINIT);  in check_super_block()
893 			ext2fs_unmark_valid(fs);  in check_super_block()
897 		    (ext2fs_bg_itable_unused(fs, i) > ext2fs_bg_free_inodes_count(fs, i) ||  in check_super_block()
898 		     ext2fs_bg_itable_unused(fs, i) > sb->s_inodes_per_group)) {  in check_super_block()
899 			pctx.blk = ext2fs_bg_itable_unused(fs, i);  in check_super_block()
901 				ext2fs_bg_itable_unused_set(fs, i, 0);  in check_super_block()
904 			ext2fs_unmark_valid(fs);  in check_super_block()
908 			ext2fs_group_desc_csum_set(fs, i);  in check_super_block()
914 	ctx->free_blocks = EXT2FS_C2B(fs, free_blocks);  in check_super_block()
919 		ext2fs_unmark_valid(fs);  in check_super_block()
928 		ext2fs_mark_super_dirty(fs);  in check_super_block()
940 	    !ext2fs_has_feature_metadata_csum(ctx->fs->super) &&  in check_super_block()
944 			ext2fs_init_csum_seed(fs);  in check_super_block()
945 			fs->flags |= EXT2_FLAG_DIRTY;  in check_super_block()
946 			fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;  in check_super_block()
959 	    (fs->super->s_flags & EXT2_FLAGS_TEST_FILESYS) &&  in check_super_block()
962 			fs->super->s_flags &= ~EXT2_FLAGS_TEST_FILESYS;  in check_super_block()
963 			fs->flags |= EXT2_FLAG_DIRTY;  in check_super_block()
964 			fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;  in check_super_block()
973 	    fs->super->s_creator_os == EXT2_OS_HURD &&  in check_super_block()
974 	    ext2fs_has_feature_filetype(fs->super)) {  in check_super_block()
976 			ext2fs_clear_feature_filetype(fs->super);  in check_super_block()
977 			ext2fs_mark_super_dirty(fs);  in check_super_block()
978 			fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;  in check_super_block()
989 	    fs->super->s_rev_level == EXT2_GOOD_OLD_REV &&  in check_super_block()
990 	    (fs->super->s_feature_compat ||  in check_super_block()
991 	     fs->super->s_feature_ro_compat ||  in check_super_block()
992 	     fs->super->s_feature_incompat) &&  in check_super_block()
994 		ext2fs_update_dynamic_rev(fs);  in check_super_block()
995 		ext2fs_mark_super_dirty(fs);  in check_super_block()
996 		fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;  in check_super_block()
1003 		fs->super->s_state &= ~EXT2_VALID_FS;  in check_super_block()
1004 		ext2fs_mark_super_dirty(fs);  in check_super_block()
1043 	    fs->super->s_mtime > (__u32) ctx->now) {  in check_super_block()
1044 		pctx.num = fs->super->s_mtime;  in check_super_block()
1046 		if (fs->super->s_mtime <= (__u32) ctx->now + ctx->time_fudge)  in check_super_block()
1049 			fs->super->s_mtime = ctx->now;  in check_super_block()
1050 			fs->flags |= EXT2_FLAG_DIRTY;  in check_super_block()
1055 	    fs->super->s_wtime > (__u32) ctx->now) {  in check_super_block()
1056 		pctx.num = fs->super->s_wtime;  in check_super_block()
1058 		if (fs->super->s_wtime <= (__u32) ctx->now + ctx->time_fudge)  in check_super_block()
1061 			fs->super->s_wtime = ctx->now;  in check_super_block()
1062 			fs->flags |= EXT2_FLAG_DIRTY;  in check_super_block()
1117 	ext2_filsys	fs = ctx->fs;  in check_backup_super_block()  local
1132 	if (((fs->flags & EXT2_FLAG_MASTER_SB_ONLY) == 0) ||  in check_backup_super_block()
1133 	    !ext2fs_test_valid(fs) ||  in check_backup_super_block()
1134 	    (fs->super->s_state & EXT2_ERROR_FS) ||  in check_backup_super_block()
1139 	for (g = 1; g < fs->group_desc_count; g++) {  in check_backup_super_block()
1140 		if (!ext2fs_bg_has_super(fs, g))  in check_backup_super_block()
1143 		sb = ext2fs_group_first_block2(fs, g);  in check_backup_super_block()
1145 		retval = io_channel_read_blk(fs->io, sb, -SUPERBLOCK_SIZE,  in check_backup_super_block()
1161 	((fs->super->x & ~FEATURE_INCOMPAT_IGNORE) !=	\  in check_backup_super_block()
1164 	((fs->super->x & ~FEATURE_RO_COMPAT_IGNORE) !=	\  in check_backup_super_block()
1167 	(fs->super->x != backup_sb->x)  in check_backup_super_block()
1175 		    memcmp(fs->super->s_uuid, backup_sb->s_uuid,  in check_backup_super_block()
1176 			   sizeof(fs->super->s_uuid)))  in check_backup_super_block()