119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project/* 219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * pass1b.c --- Pass #1b of e2fsck 319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * 419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * This file contains pass1B, pass1C, and pass1D of e2fsck. They are 519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * only invoked if pass 1 discovered blocks which are in use by more 619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * than one inode. 73984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * 819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Pass1B scans the data blocks of all the inodes again, generating a 919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * complete list of duplicate blocks and which inodes have claimed 1019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * them. 1119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * 1219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Pass1C does a tree-traversal of the filesystem, to determine the 1319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * parent directories of these inodes. This step is necessary so that 1419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * e2fsck can print out the pathnames of affected inodes. 1519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * 1619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Pass1D is a reconciliation pass. For each inode with duplicate 1719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * blocks, the user is prompted if s/he would like to clone the file 1819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * (so that the file gets a fresh copy of the duplicated blocks) or 1919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * simply to delete the file. 203984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * 2119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o. 2219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * 2319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * %Begin-Header% 2419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * This file may be redistributed under the terms of the GNU Public 2519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * License. 2619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * %End-Header% 273984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * 2819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 2919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 3019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <time.h> 3119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#ifdef HAVE_ERRNO_H 3219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <errno.h> 3319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#endif 3419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 3519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#ifdef HAVE_INTTYPES_H 3619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <inttypes.h> 3719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#endif 3819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 3919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#ifndef HAVE_INTPTR_T 4019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projecttypedef long intptr_t; 4119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#endif 4219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 4319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project/* Needed for architectures where sizeof(int) != sizeof(void *) */ 4419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#define INT_TO_VOIDPTR(val) ((void *)(intptr_t)(val)) 4519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#define VOIDPTR_TO_INT(ptr) ((int)(intptr_t)(ptr)) 4619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 4719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include <et/com_err.h> 4819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include "e2fsck.h" 4919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 5019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include "problem.h" 5119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include "dict.h" 5219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 5319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project/* Define an extension to the ext2 library's block count information */ 5419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#define BLOCK_COUNT_EXTATTR (-5) 5519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 5619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstruct block_el { 5719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project blk_t block; 5819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct block_el *next; 5919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project}; 6019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 6119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstruct inode_el { 6219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_ino_t inode; 6319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct inode_el *next; 6419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project}; 6519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 6619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstruct dup_block { 6719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int num_bad; 6819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct inode_el *inode_list; 6919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project}; 7019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 7119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project/* 7219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * This structure stores information about a particular inode which 7319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * is sharing blocks with other inodes. This information is collected 7419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * to display to the user, so that the user knows what files he or she 7519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * is dealing with, when trying to decide how to resolve the conflict 7619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * of multiply-claimed blocks. 7719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 7819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstruct dup_inode { 7919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_ino_t dir; 8019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int num_dupblocks; 8119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct ext2_inode inode; 8219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct block_el *block_list; 8319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project}; 8419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 8519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic int process_pass1b_block(ext2_filsys fs, blk_t *blocknr, 863984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt e2_blkcnt_t blockcnt, blk_t ref_blk, 8719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int ref_offset, void *priv_data); 8819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic void delete_file(e2fsck_t ctx, ext2_ino_t ino, 8919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct dup_inode *dp, char *block_buf); 9019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic int clone_file(e2fsck_t ctx, ext2_ino_t ino, 9119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct dup_inode *dp, char* block_buf); 9219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic int check_if_fs_block(e2fsck_t ctx, blk_t test_blk); 9319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 9419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic void pass1b(e2fsck_t ctx, char *block_buf); 9519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic void pass1c(e2fsck_t ctx, char *block_buf); 9619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic void pass1d(e2fsck_t ctx, char *block_buf); 9719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 9819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic int dup_inode_count = 0; 9919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic int dup_inode_founddir = 0; 10019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 10119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic dict_t blk_dict, ino_dict; 10219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 10319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic ext2fs_inode_bitmap inode_dup_map; 10419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 10519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic int dict_int_cmp(const void *a, const void *b) 10619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 10719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project intptr_t ia, ib; 10819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 10919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ia = (intptr_t)a; 11019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ib = (intptr_t)b; 11119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 11219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return (ia-ib); 11319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 11419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 11519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project/* 11619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Add a duplicate block record 11719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 11819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic void add_dupe(e2fsck_t ctx, ext2_ino_t ino, blk_t blk, 11919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct ext2_inode *inode) 12019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 12119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project dnode_t *n; 12219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct dup_block *db; 12319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct dup_inode *di; 12419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct block_el *blk_el; 12519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct inode_el *ino_el; 12619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 12719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project n = dict_lookup(&blk_dict, INT_TO_VOIDPTR(blk)); 12819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (n) 12919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project db = (struct dup_block *) dnode_get(n); 13019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project else { 13119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project db = (struct dup_block *) e2fsck_allocate_memory(ctx, 13219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project sizeof(struct dup_block), "duplicate block header"); 13319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project db->num_bad = 0; 13419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project db->inode_list = 0; 13519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project dict_alloc_insert(&blk_dict, INT_TO_VOIDPTR(blk), db); 13619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 13719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ino_el = (struct inode_el *) e2fsck_allocate_memory(ctx, 13819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project sizeof(struct inode_el), "inode element"); 13919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ino_el->inode = ino; 14019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ino_el->next = db->inode_list; 14119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project db->inode_list = ino_el; 14219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project db->num_bad++; 14319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 14419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project n = dict_lookup(&ino_dict, INT_TO_VOIDPTR(ino)); 14519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (n) 14619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project di = (struct dup_inode *) dnode_get(n); 14719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project else { 14819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project di = (struct dup_inode *) e2fsck_allocate_memory(ctx, 14919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project sizeof(struct dup_inode), "duplicate inode header"); 15019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (ino == EXT2_ROOT_INO) { 15119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project di->dir = EXT2_ROOT_INO; 15219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project dup_inode_founddir++; 15319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } else 15419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project di->dir = 0; 15519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 15619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project di->num_dupblocks = 0; 15719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project di->block_list = 0; 15819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project di->inode = *inode; 15919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project dict_alloc_insert(&ino_dict, INT_TO_VOIDPTR(ino), di); 16019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 16119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project blk_el = (struct block_el *) e2fsck_allocate_memory(ctx, 16219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project sizeof(struct block_el), "block element"); 16319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project blk_el->block = blk; 16419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project blk_el->next = di->block_list; 16519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project di->block_list = blk_el; 16619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project di->num_dupblocks++; 16719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 16819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 16919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project/* 17019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Free a duplicate inode record 17119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 1723984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtstatic void inode_dnode_free(dnode_t *node, 17319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project void *context EXT2FS_ATTR((unused))) 17419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 17519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct dup_inode *di; 17619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct block_el *p, *next; 17719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 17819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project di = (struct dup_inode *) dnode_get(node); 17919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project for (p = di->block_list; p; p = next) { 18019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project next = p->next; 18119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project free(p); 18219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 1833984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt free(di); 18419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project free(node); 18519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 18619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 18719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project/* 18819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Free a duplicate block record 18919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 1903984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidtstatic void block_dnode_free(dnode_t *node, 19119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project void *context EXT2FS_ATTR((unused))) 19219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 19319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct dup_block *db; 19419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct inode_el *p, *next; 19519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 19619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project db = (struct dup_block *) dnode_get(node); 19719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project for (p = db->inode_list; p; p = next) { 19819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project next = p->next; 19919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project free(p); 20019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 2013984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt free(db); 20219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project free(node); 20319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 20419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 20519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 20619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project/* 20719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Main procedure for handling duplicate blocks 20819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 20919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectvoid e2fsck_pass1_dupblocks(e2fsck_t ctx, char *block_buf) 21019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 21119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_filsys fs = ctx->fs; 21219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct problem_context pctx; 2133984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#ifdef RESOURCE_TRACK 2143984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt struct resource_track rtrack; 2153984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt#endif 21619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 21719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project clear_problem_context(&pctx); 2183984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 21919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.errcode = ext2fs_allocate_inode_bitmap(fs, 22019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project _("multiply claimed inode map"), &inode_dup_map); 22119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (pctx.errcode) { 22219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fix_problem(ctx, PR_1B_ALLOCATE_IBITMAP_ERROR, &pctx); 22319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ctx->flags |= E2F_FLAG_ABORT; 22419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return; 22519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 22619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 22719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project dict_init(&ino_dict, DICTCOUNT_T_MAX, dict_int_cmp); 22819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project dict_init(&blk_dict, DICTCOUNT_T_MAX, dict_int_cmp); 22919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project dict_set_allocator(&ino_dict, NULL, inode_dnode_free, NULL); 23019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project dict_set_allocator(&blk_dict, NULL, block_dnode_free, NULL); 2313984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 2323984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt init_resource_track(&rtrack, ctx->fs->io); 23319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pass1b(ctx, block_buf); 2343984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt print_resource_track(ctx, "Pass 1b", &rtrack, ctx->fs->io); 2353984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 2363984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt init_resource_track(&rtrack, ctx->fs->io); 23719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pass1c(ctx, block_buf); 2383984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt print_resource_track(ctx, "Pass 1c", &rtrack, ctx->fs->io); 2393984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 2403984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt init_resource_track(&rtrack, ctx->fs->io); 24119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pass1d(ctx, block_buf); 2423984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt print_resource_track(ctx, "Pass 1d", &rtrack, ctx->fs->io); 24319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 24419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project /* 24519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Time to free all of the accumulated data structures that we 24619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * don't need anymore. 24719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 24819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project dict_free_nodes(&ino_dict); 24919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project dict_free_nodes(&blk_dict); 2503984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt ext2fs_free_inode_bitmap(inode_dup_map); 25119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 25219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 25319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project/* 25419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Scan the inodes looking for inodes that contain duplicate blocks. 25519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 25619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstruct process_block_struct { 25719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project e2fsck_t ctx; 25819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_ino_t ino; 25919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int dup_blocks; 26019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct ext2_inode *inode; 26119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct problem_context *pctx; 26219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project}; 26319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 26419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic void pass1b(e2fsck_t ctx, char *block_buf) 26519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 26619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_filsys fs = ctx->fs; 26719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_ino_t ino; 26819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct ext2_inode inode; 26919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_inode_scan scan; 27019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct process_block_struct pb; 27119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct problem_context pctx; 2723984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 27319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project clear_problem_context(&pctx); 2743984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 27519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (!(ctx->options & E2F_OPT_PREEN)) 27619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fix_problem(ctx, PR_1B_PASS_HEADER, &pctx); 27719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.errcode = ext2fs_open_inode_scan(fs, ctx->inode_buffer_blocks, 27819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project &scan); 27919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (pctx.errcode) { 28019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fix_problem(ctx, PR_1B_ISCAN_ERROR, &pctx); 28119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ctx->flags |= E2F_FLAG_ABORT; 28219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return; 28319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 28419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ctx->stashed_inode = &inode; 28519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pb.ctx = ctx; 28619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pb.pctx = &pctx; 28719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.str = "pass1b"; 28819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project while (1) { 28919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.errcode = ext2fs_get_next_inode(scan, &ino, &inode); 29019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (pctx.errcode == EXT2_ET_BAD_BLOCK_IN_INODE_TABLE) 29119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project continue; 29219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (pctx.errcode) { 29319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fix_problem(ctx, PR_1B_ISCAN_ERROR, &pctx); 29419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ctx->flags |= E2F_FLAG_ABORT; 29519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return; 29619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 29719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (!ino) 29819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project break; 29919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.ino = ctx->stashed_ino = ino; 30019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if ((ino != EXT2_BAD_INO) && 30119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project !ext2fs_test_inode_bitmap(ctx->inode_used_map, ino)) 30219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project continue; 30319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 30419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pb.ino = ino; 30519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pb.dup_blocks = 0; 30619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pb.inode = &inode; 30719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 30819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (ext2fs_inode_has_valid_blocks(&inode) || 30919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project (ino == EXT2_BAD_INO)) 31019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.errcode = ext2fs_block_iterate2(fs, ino, 3113984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt BLOCK_FLAG_READ_ONLY, block_buf, 3123984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt process_pass1b_block, &pb); 31319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (inode.i_file_acl) 31419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project process_pass1b_block(fs, &inode.i_file_acl, 31519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project BLOCK_COUNT_EXTATTR, 0, 0, &pb); 31619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (pb.dup_blocks) { 31719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project end_problem_latch(ctx, PR_LATCH_DBLOCK); 31819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (ino >= EXT2_FIRST_INODE(fs->super) || 31919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ino == EXT2_ROOT_INO) 32019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project dup_inode_count++; 32119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 32219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (pctx.errcode) 32319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fix_problem(ctx, PR_1B_BLOCK_ITERATE, &pctx); 32419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 32519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_close_inode_scan(scan); 32619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project e2fsck_use_inode_shortcuts(ctx, 0); 32719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 32819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 32919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic int process_pass1b_block(ext2_filsys fs EXT2FS_ATTR((unused)), 33019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project blk_t *block_nr, 33119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)), 3323984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt blk_t ref_blk EXT2FS_ATTR((unused)), 33319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int ref_offset EXT2FS_ATTR((unused)), 33419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project void *priv_data) 33519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 33619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct process_block_struct *p; 33719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project e2fsck_t ctx; 33819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 33919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (HOLE_BLKADDR(*block_nr)) 34019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 0; 34119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project p = (struct process_block_struct *) priv_data; 34219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ctx = p->ctx; 3433984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 34419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (!ext2fs_test_block_bitmap(ctx->block_dup_map, *block_nr)) 34519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 0; 3463984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 34719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project /* OK, this is a duplicate block */ 34819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (p->ino != EXT2_BAD_INO) { 34919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project p->pctx->blk = *block_nr; 35019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fix_problem(ctx, PR_1B_DUP_BLOCK, p->pctx); 35119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 35219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project p->dup_blocks++; 35319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_mark_inode_bitmap(inode_dup_map, p->ino); 35419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 35519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project add_dupe(ctx, p->ino, *block_nr, p->inode); 3563984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 35719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 0; 35819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 35919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 36019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project/* 36119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Pass 1c: Scan directories for inodes with duplicate blocks. This 36219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * is used so that we can print pathnames when prompting the user for 36319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * what to do. 36419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 36519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstruct search_dir_struct { 36619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int count; 36719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_ino_t first_inode; 36819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_ino_t max_inode; 36919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project}; 37019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 37119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic int search_dirent_proc(ext2_ino_t dir, int entry, 37219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct ext2_dir_entry *dirent, 3733984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt int offset EXT2FS_ATTR((unused)), 37419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int blocksize EXT2FS_ATTR((unused)), 3753984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt char *buf EXT2FS_ATTR((unused)), 37619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project void *priv_data) 37719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 37819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct search_dir_struct *sd; 37919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct dup_inode *p; 38019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project dnode_t *n; 38119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 38219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project sd = (struct search_dir_struct *) priv_data; 38319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 38419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (dirent->inode > sd->max_inode) 38519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project /* Should abort this inode, but not everything */ 3863984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt return 0; 38719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 38819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if ((dirent->inode < sd->first_inode) || (entry < DIRENT_OTHER_FILE) || 38919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project !ext2fs_test_inode_bitmap(inode_dup_map, dirent->inode)) 39019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 0; 39119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 39219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project n = dict_lookup(&ino_dict, INT_TO_VOIDPTR(dirent->inode)); 39319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (!n) 39419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 0; 39519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project p = (struct dup_inode *) dnode_get(n); 39619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (!p->dir) { 39719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project p->dir = dir; 39819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project sd->count--; 39919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 40019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 40119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return(sd->count ? 0 : DIRENT_ABORT); 40219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 40319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 40419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 40519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic void pass1c(e2fsck_t ctx, char *block_buf) 40619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 40719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_filsys fs = ctx->fs; 40819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct search_dir_struct sd; 40919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct problem_context pctx; 41019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 41119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project clear_problem_context(&pctx); 41219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 41319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (!(ctx->options & E2F_OPT_PREEN)) 41419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fix_problem(ctx, PR_1C_PASS_HEADER, &pctx); 41519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 41619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project /* 41719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Search through all directories to translate inodes to names 41819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * (by searching for the containing directory for that inode.) 41919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 42019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project sd.count = dup_inode_count - dup_inode_founddir; 42119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project sd.first_inode = EXT2_FIRST_INODE(fs->super); 42219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project sd.max_inode = fs->super->s_inodes_count; 42319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_dblist_dir_iterate(fs->dblist, 0, block_buf, 42419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project search_dirent_proc, &sd); 4253984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt} 42619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 42719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic void pass1d(e2fsck_t ctx, char *block_buf) 42819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 42919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_filsys fs = ctx->fs; 43019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct dup_inode *p, *t; 43119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct dup_block *q; 43219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_ino_t *shared, ino; 43319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int shared_len; 43419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int i; 43519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int file_ok; 43619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int meta_data = 0; 43719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct problem_context pctx; 43819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project dnode_t *n, *m; 43919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct block_el *s; 44019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct inode_el *r; 4413984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 44219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project clear_problem_context(&pctx); 4433984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 44419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (!(ctx->options & E2F_OPT_PREEN)) 44519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fix_problem(ctx, PR_1D_PASS_HEADER, &pctx); 44619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project e2fsck_read_bitmaps(ctx); 44719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 44819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.num = dup_inode_count; /* dict_count(&ino_dict); */ 44919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fix_problem(ctx, PR_1D_NUM_DUP_INODES, &pctx); 45019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project shared = (ext2_ino_t *) e2fsck_allocate_memory(ctx, 45119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project sizeof(ext2_ino_t) * dict_count(&ino_dict), 45219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project "Shared inode list"); 45319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project for (n = dict_first(&ino_dict); n; n = dict_next(&ino_dict, n)) { 45419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project p = (struct dup_inode *) dnode_get(n); 45519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project shared_len = 0; 45619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project file_ok = 1; 45719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ino = (ext2_ino_t)VOIDPTR_TO_INT(dnode_getkey(n)); 45819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (ino == EXT2_BAD_INO || ino == EXT2_RESIZE_INO) 45919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project continue; 46019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 46119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project /* 46219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Find all of the inodes which share blocks with this 46319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * one. First we find all of the duplicate blocks 46419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * belonging to this inode, and then search each block 46519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * get the list of inodes, and merge them together. 46619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 46719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project for (s = p->block_list; s; s = s->next) { 46819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project m = dict_lookup(&blk_dict, INT_TO_VOIDPTR(s->block)); 46919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (!m) 47019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project continue; /* Should never happen... */ 47119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project q = (struct dup_block *) dnode_get(m); 47219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (q->num_bad > 1) 47319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project file_ok = 0; 47419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (check_if_fs_block(ctx, s->block)) { 47519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project file_ok = 0; 47619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project meta_data = 1; 47719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 4783984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 47919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project /* 48019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Add all inodes used by this block to the 48119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * shared[] --- which is a unique list, so 48219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * if an inode is already in shared[], don't 48319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * add it again. 48419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 48519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project for (r = q->inode_list; r; r = r->next) { 48619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (r->inode == ino) 48719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project continue; 48819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project for (i = 0; i < shared_len; i++) 48919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (shared[i] == r->inode) 49019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project break; 49119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (i == shared_len) { 49219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project shared[shared_len++] = r->inode; 49319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 49419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 49519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 49619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 49719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project /* 49819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Report the inode that we are working on 49919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 50019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.inode = &p->inode; 50119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.ino = ino; 50219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.dir = p->dir; 50319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.blkcount = p->num_dupblocks; 50419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.num = meta_data ? shared_len+1 : shared_len; 50519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fix_problem(ctx, PR_1D_DUP_FILE, &pctx); 50619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.blkcount = 0; 50719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.num = 0; 5083984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 50919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (meta_data) 51019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fix_problem(ctx, PR_1D_SHARE_METADATA, &pctx); 5113984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 51219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project for (i = 0; i < shared_len; i++) { 51319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project m = dict_lookup(&ino_dict, INT_TO_VOIDPTR(shared[i])); 51419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (!m) 51519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project continue; /* should never happen */ 51619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project t = (struct dup_inode *) dnode_get(m); 51719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project /* 51819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Report the inode that we are sharing with 51919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 52019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.inode = &t->inode; 52119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.ino = shared[i]; 52219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.dir = t->dir; 52319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fix_problem(ctx, PR_1D_DUP_FILE_LIST, &pctx); 52419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 52519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (file_ok) { 52619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fix_problem(ctx, PR_1D_DUP_BLOCKS_DEALT, &pctx); 52719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project continue; 52819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 52919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (fix_problem(ctx, PR_1D_CLONE_QUESTION, &pctx)) { 53019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.errcode = clone_file(ctx, ino, p, block_buf); 53119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (pctx.errcode) 53219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fix_problem(ctx, PR_1D_CLONE_ERROR, &pctx); 53319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project else 53419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project continue; 53519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 53619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (fix_problem(ctx, PR_1D_DELETE_QUESTION, &pctx)) 53719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project delete_file(ctx, ino, p, block_buf); 53819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project else 53919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_unmark_valid(fs); 54019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 54119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_free_mem(&shared); 54219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 54319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 54419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project/* 54519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Drop the refcount on the dup_block structure, and clear the entry 54619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * in the block_dup_map if appropriate. 54719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 54819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic void decrement_badcount(e2fsck_t ctx, blk_t block, struct dup_block *p) 54919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 55019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project p->num_bad--; 55119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (p->num_bad <= 0 || 55219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project (p->num_bad == 1 && !check_if_fs_block(ctx, block))) 55319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_unmark_block_bitmap(ctx->block_dup_map, block); 55419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 55519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 55619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic int delete_file_block(ext2_filsys fs, 55719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project blk_t *block_nr, 55819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)), 55919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project blk_t ref_block EXT2FS_ATTR((unused)), 56019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int ref_offset EXT2FS_ATTR((unused)), 56119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project void *priv_data) 56219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 56319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct process_block_struct *pb; 56419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct dup_block *p; 56519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project dnode_t *n; 56619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project e2fsck_t ctx; 56719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 56819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pb = (struct process_block_struct *) priv_data; 56919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ctx = pb->ctx; 57019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 57119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (HOLE_BLKADDR(*block_nr)) 57219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 0; 57319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 57419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (ext2fs_test_block_bitmap(ctx->block_dup_map, *block_nr)) { 57519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project n = dict_lookup(&blk_dict, INT_TO_VOIDPTR(*block_nr)); 57619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (n) { 57719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project p = (struct dup_block *) dnode_get(n); 57819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project decrement_badcount(ctx, *block_nr, p); 57919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } else 58019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err("delete_file_block", 0, 58119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project _("internal error: can't find dup_blk for %u\n"), 58219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project *block_nr); 58319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } else { 58419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_unmark_block_bitmap(ctx->block_found_map, *block_nr); 58519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_block_alloc_stats(fs, *block_nr, -1); 58619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 5873984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 58819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 0; 58919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 5903984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 59119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic void delete_file(e2fsck_t ctx, ext2_ino_t ino, 59219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct dup_inode *dp, char* block_buf) 59319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 59419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_filsys fs = ctx->fs; 59519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct process_block_struct pb; 59619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct ext2_inode inode; 59719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct problem_context pctx; 59819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project unsigned int count; 59919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 60019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project clear_problem_context(&pctx); 60119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.ino = pb.ino = ino; 60219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pb.dup_blocks = dp->num_dupblocks; 60319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pb.ctx = ctx; 60419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.str = "delete_file"; 60519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 60619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project e2fsck_read_inode(ctx, ino, &inode, "delete_file"); 60719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (ext2fs_inode_has_valid_blocks(&inode)) 6083984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt pctx.errcode = ext2fs_block_iterate2(fs, ino, BLOCK_FLAG_READ_ONLY, 6093984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt block_buf, delete_file_block, &pb); 61019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (pctx.errcode) 61119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fix_problem(ctx, PR_1B_BLOCK_ITERATE, &pctx); 61219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (ctx->inode_bad_map) 61319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_unmark_inode_bitmap(ctx->inode_bad_map, ino); 61419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_inode_alloc_stats2(fs, ino, -1, LINUX_S_ISDIR(inode.i_mode)); 61519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 61619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project /* Inode may have changed by block_iterate, so reread it */ 61719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project e2fsck_read_inode(ctx, ino, &inode, "delete_file"); 6183984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt e2fsck_clear_inode(ctx, ino, &inode, 0, "delete_file"); 61919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (inode.i_file_acl && 62019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project (fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_EXT_ATTR)) { 62119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project count = 1; 62219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.errcode = ext2fs_adjust_ea_refcount(fs, inode.i_file_acl, 62319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project block_buf, -1, &count); 62419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (pctx.errcode == EXT2_ET_BAD_EA_BLOCK_NUM) { 62519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.errcode = 0; 62619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project count = 1; 62719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 62819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (pctx.errcode) { 62919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.blk = inode.i_file_acl; 63019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fix_problem(ctx, PR_1B_ADJ_EA_REFCOUNT, &pctx); 63119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 63219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project /* 63319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * If the count is zero, then arrange to have the 63419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * block deleted. If the block is in the block_dup_map, 63519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * also call delete_file_block since it will take care 63619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * of keeping the accounting straight. 63719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 63819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if ((count == 0) || 63919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_test_block_bitmap(ctx->block_dup_map, 6403984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt inode.i_file_acl)) 64119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project delete_file_block(fs, &inode.i_file_acl, 64219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project BLOCK_COUNT_EXTATTR, 0, 0, &pb); 64319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 64419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 64519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 64619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstruct clone_struct { 64719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project errcode_t errcode; 64819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_ino_t dir; 64919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project char *buf; 65019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project e2fsck_t ctx; 65119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project}; 65219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 65319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic int clone_file_block(ext2_filsys fs, 65419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project blk_t *block_nr, 65519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project e2_blkcnt_t blockcnt, 65619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project blk_t ref_block EXT2FS_ATTR((unused)), 65719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int ref_offset EXT2FS_ATTR((unused)), 65819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project void *priv_data) 65919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 66019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct dup_block *p; 66119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project blk_t new_block; 66219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project errcode_t retval; 66319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct clone_struct *cs = (struct clone_struct *) priv_data; 66419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project dnode_t *n; 66519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project e2fsck_t ctx; 66619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 66719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ctx = cs->ctx; 6683984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 66919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (HOLE_BLKADDR(*block_nr)) 67019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 0; 67119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 67219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (ext2fs_test_block_bitmap(ctx->block_dup_map, *block_nr)) { 67319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project n = dict_lookup(&blk_dict, INT_TO_VOIDPTR(*block_nr)); 67419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (n) { 67519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project p = (struct dup_block *) dnode_get(n); 67619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = ext2fs_new_block(fs, 0, ctx->block_found_map, 67719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project &new_block); 67819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (retval) { 67919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project cs->errcode = retval; 68019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return BLOCK_ABORT; 68119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 68219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (cs->dir && (blockcnt >= 0)) { 68319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = ext2fs_set_dir_block(fs->dblist, 68419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project cs->dir, new_block, blockcnt); 68519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (retval) { 68619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project cs->errcode = retval; 68719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return BLOCK_ABORT; 68819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 68919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 69019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#if 0 69119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project printf("Cloning block %u to %u\n", *block_nr, 69219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project new_block); 69319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#endif 69419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = io_channel_read_blk(fs->io, *block_nr, 1, 69519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project cs->buf); 69619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (retval) { 69719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project cs->errcode = retval; 69819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return BLOCK_ABORT; 69919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 70019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = io_channel_write_blk(fs->io, new_block, 1, 70119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project cs->buf); 70219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (retval) { 70319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project cs->errcode = retval; 70419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return BLOCK_ABORT; 70519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 70619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project decrement_badcount(ctx, *block_nr, p); 70719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project *block_nr = new_block; 70819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_mark_block_bitmap(ctx->block_found_map, 70919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project new_block); 71019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_mark_block_bitmap(fs->block_map, new_block); 71119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return BLOCK_CHANGED; 71219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } else 71319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err("clone_file_block", 0, 71419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project _("internal error: can't find dup_blk for %u\n"), 71519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project *block_nr); 71619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 71719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 0; 71819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 7193984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 72019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic int clone_file(e2fsck_t ctx, ext2_ino_t ino, 72119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct dup_inode *dp, char* block_buf) 72219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 72319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_filsys fs = ctx->fs; 72419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project errcode_t retval; 72519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct clone_struct cs; 72619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct problem_context pctx; 72719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project blk_t blk; 72819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project dnode_t *n; 72919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct inode_el *ino_el; 73019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct dup_block *db; 73119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project struct dup_inode *di; 73219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 73319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project clear_problem_context(&pctx); 73419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project cs.errcode = 0; 73519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project cs.dir = 0; 73619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project cs.ctx = ctx; 73719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = ext2fs_get_mem(fs->blocksize, &cs.buf); 73819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (retval) 73919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return retval; 74019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 74119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (ext2fs_test_inode_bitmap(ctx->inode_dir_map, ino)) 74219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project cs.dir = ino; 74319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 74419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.ino = ino; 74519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.str = "clone_file"; 74619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (ext2fs_inode_has_valid_blocks(&dp->inode)) 74719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project pctx.errcode = ext2fs_block_iterate2(fs, ino, 0, block_buf, 74819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project clone_file_block, &cs); 74919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_mark_bb_dirty(fs); 75019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (pctx.errcode) { 75119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fix_problem(ctx, PR_1B_BLOCK_ITERATE, &pctx); 75219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = pctx.errcode; 75319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project goto errout; 75419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 75519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (cs.errcode) { 75619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project com_err("clone_file", cs.errcode, 75719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project _("returned from clone_file_block")); 75819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = cs.errcode; 75919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project goto errout; 76019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 76119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project /* The inode may have changed on disk, so we have to re-read it */ 76219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project e2fsck_read_inode(ctx, ino, &dp->inode, "clone file EA"); 76319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project blk = dp->inode.i_file_acl; 76419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (blk && (clone_file_block(fs, &dp->inode.i_file_acl, 76519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project BLOCK_COUNT_EXTATTR, 0, 0, &cs) == 76619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project BLOCK_CHANGED)) { 76719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project e2fsck_write_inode(ctx, ino, &dp->inode, "clone file EA"); 76819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project /* 76919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * If we cloned the EA block, find all other inodes 77019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * which refered to that EA block, and modify 77119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * them to point to the new EA block. 77219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 77319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project n = dict_lookup(&blk_dict, INT_TO_VOIDPTR(blk)); 77419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (!n) { 7753984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt com_err("clone_file", 0, 77619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project _("internal error: couldn't lookup EA " 77719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project "block record for %u"), blk); 77819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = 0; /* OK to stumble on... */ 77919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project goto errout; 78019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 78119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project db = (struct dup_block *) dnode_get(n); 78219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project for (ino_el = db->inode_list; ino_el; ino_el = ino_el->next) { 78319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (ino_el->inode == ino) 78419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project continue; 78519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project n = dict_lookup(&ino_dict, INT_TO_VOIDPTR(ino_el->inode)); 78619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (!n) { 7873984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt com_err("clone_file", 0, 78819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project _("internal error: couldn't lookup EA " 7893984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt "inode record for %u"), 79019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ino_el->inode); 79119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = 0; /* OK to stumble on... */ 79219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project goto errout; 79319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 79419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project di = (struct dup_inode *) dnode_get(n); 79519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (di->inode.i_file_acl == blk) { 79619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project di->inode.i_file_acl = dp->inode.i_file_acl; 79719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project e2fsck_write_inode(ctx, ino_el->inode, 79819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project &di->inode, "clone file EA"); 79919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project decrement_badcount(ctx, blk, db); 80019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 80119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 80219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 80319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project retval = 0; 80419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projecterrout: 80519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2fs_free_mem(&cs.buf); 80619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return retval; 80719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 80819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 80919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project/* 81019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * This routine returns 1 if a block overlaps with one of the superblocks, 81119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * group descriptors, inode bitmaps, or block bitmaps. 81219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 81319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectstatic int check_if_fs_block(e2fsck_t ctx, blk_t test_block) 81419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 81519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project ext2_filsys fs = ctx->fs; 81619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project blk_t first_block; 81719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project dgrp_t i; 8183984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 81919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project first_block = fs->super->s_first_data_block; 82019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project for (i = 0; i < fs->group_desc_count; i++) { 82119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 82219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project /* Check superblocks/block group descriptors */ 82319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (ext2fs_bg_has_super(fs, i)) { 82419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (test_block >= first_block && 82519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project (test_block <= first_block + fs->desc_blocks)) 82619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 1; 82719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 8283984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 82919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project /* Check the inode table */ 83019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if ((fs->group_desc[i].bg_inode_table) && 83119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project (test_block >= fs->group_desc[i].bg_inode_table) && 83219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project (test_block < (fs->group_desc[i].bg_inode_table + 83319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project fs->inode_blocks_per_group))) 83419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 1; 83519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 83619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project /* Check the bitmap blocks */ 83719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if ((test_block == fs->group_desc[i].bg_block_bitmap) || 83819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project (test_block == fs->group_desc[i].bg_inode_bitmap)) 83919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 1; 8403984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt 84119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project first_block += fs->super->s_blocks_per_group; 84219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project } 84319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 0; 84419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 845