/*
* e2fsck.h
- *
+ *
* Copyright (C) 1993, 1994 Theodore Ts'o. This file may be
* redistributed under the terms of the GNU Public License.
- *
+ *
*/
+#ifndef _E2FSCK_H
+#define _E2FSCK_H
+
#include <stdio.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
#include "blkid/blkid.h"
#endif
-#include "profile.h"
-#include "prof_err.h"
+#include "support/profile.h"
+#include "support/prof_err.h"
#ifdef ENABLE_NLS
#include <libintl.h>
#define P_(singular, plural, n) ((n) == 1 ? (singular) : (plural))
#endif
+#ifdef __GNUC__
+#define E2FSCK_ATTR(x) __attribute__(x)
+#else
+#define E2FSCK_ATTR(x)
+#endif
+
+#include "support/quotaio.h"
+
/*
* Exit codes used by fsck-type programs
*/
struct dx_dirblock_info {
int type;
- blk_t phys;
+ blk64_t phys;
int flags;
- blk_t parent;
- ext2_dirhash_t min_hash;
+ blk64_t parent;
+ blk64_t previous;
+ ext2_dirhash_t min_hash;
ext2_dirhash_t max_hash;
- ext2_dirhash_t node_min_hash;
+ ext2_dirhash_t node_min_hash;
ext2_dirhash_t node_max_hash;
};
#define DX_FLAG_FIRST 4
#define DX_FLAG_LAST 8
+#define RESOURCE_TRACK
+
#ifdef RESOURCE_TRACK
/*
* This structure is used for keeping track of how much resources have
struct timeval user_start;
struct timeval system_start;
void *brk_start;
+ unsigned long long bytes_read;
+ unsigned long long bytes_written;
};
#endif
#define E2F_OPT_FORCE 0x0100
#define E2F_OPT_WRITECHECK 0x0200
#define E2F_OPT_COMPRESS_DIRS 0x0400
+#define E2F_OPT_FRAGCHECK 0x0800
+#define E2F_OPT_JOURNAL_ONLY 0x1000 /* only replay the journal */
+#define E2F_OPT_DISCARD 0x2000
+#define E2F_OPT_CONVERT_BMAP 0x4000 /* convert blockmap to extent */
+#define E2F_OPT_FIXES_ONLY 0x8000 /* skip all optimizations */
+#define E2F_OPT_NOOPT_EXTENTS 0x10000 /* don't optimize extents */
+#define E2F_OPT_ICOUNT_FULLMAP 0x20000 /* use an array for inode counts */
+#define E2F_OPT_UNSHARE_BLOCKS 0x40000
/*
* E2fsck flags
*/
#define E2F_FLAG_ABORT 0x0001 /* Abort signaled */
#define E2F_FLAG_CANCEL 0x0002 /* Cancel signaled */
-#define E2F_FLAG_SIGNAL_MASK 0x0003
+#define E2F_FLAG_SIGNAL_MASK (E2F_FLAG_ABORT | E2F_FLAG_CANCEL)
#define E2F_FLAG_RESTART 0x0004 /* Restart signaled */
-
+#define E2F_FLAG_RUN_RETURN (E2F_FLAG_SIGNAL_MASK | E2F_FLAG_RESTART)
+#define E2F_FLAG_RESTART_LATER 0x0008 /* Restart after all iterations done */
#define E2F_FLAG_SETJMP_OK 0x0010 /* Setjmp valid for abort */
#define E2F_FLAG_PROG_BAR 0x0020 /* Progress bar on screen */
#define E2F_FLAG_PROG_SUPPRESS 0x0040 /* Progress suspended */
#define E2F_FLAG_JOURNAL_INODE 0x0080 /* Create a new ext3 journal inode */
-#define E2F_FLAG_SB_SPECIFIED 0x0100 /* The superblock was explicitly
+#define E2F_FLAG_SB_SPECIFIED 0x0100 /* The superblock was explicitly
* specified by the user */
#define E2F_FLAG_RESTARTED 0x0200 /* E2fsck has been restarted */
#define E2F_FLAG_RESIZE_INODE 0x0400 /* Request to recreate resize inode */
+#define E2F_FLAG_GOT_DEVSIZE 0x0800 /* Device size has been fetched */
+#define E2F_FLAG_EXITING 0x1000 /* E2fsck exiting due to errors */
+#define E2F_FLAG_TIME_INSANE 0x2000 /* Time is insane */
+#define E2F_FLAG_PROBLEMS_FIXED 0x4000 /* At least one problem was fixed */
+#define E2F_FLAG_ALLOC_OK 0x8000 /* Can we allocate blocks? */
+#define E2F_FLAG_EXPAND_EISIZE 0x10000 /* Expand the inodes (i_extra_isize) */
+
+#define E2F_RESET_FLAGS (E2F_FLAG_TIME_INSANE | E2F_FLAG_PROBLEMS_FIXED)
/*
* Defines for indicating the e2fsck pass number
#define E2F_PASS_5 5
#define E2F_PASS_1B 6
+enum shared_opt {
+ E2F_SHARED_PRESERVE = 0,
+ E2F_SHARED_DELETE,
+ E2F_SHARED_LPF
+};
+
+enum clone_opt {
+ E2F_CLONE_DUP = 0,
+ E2F_CLONE_ZERO
+};
+
/*
* Define the extended attribute refcount structure
*/
*/
typedef struct e2fsck_struct *e2fsck_t;
+#define MAX_EXTENT_DEPTH_COUNT 5
+
struct e2fsck_struct {
ext2_filsys fs;
const char *program_name;
char *filesystem_name;
char *device_name;
char *io_options;
+ FILE *logf;
+ char *log_fn;
int flags; /* E2fsck internal flags */
int options;
- blk_t use_superblock; /* sb requested by user */
- blk_t superblock; /* sb used to open fs */
int blocksize; /* blocksize */
- blk_t num_blocks; /* Total number of blocks */
+ blk64_t use_superblock; /* sb requested by user */
+ blk64_t superblock; /* sb used to open fs */
+ blk64_t num_blocks; /* Total number of blocks */
+ blk64_t free_blocks;
+ ino_t free_inodes;
int mount_flags;
+ int openfs_flags;
blkid_cache blkid; /* blkid cache */
#ifdef HAVE_SETJMP_H
ext2_refcount_t refcount_extra;
/*
+ * Quota blocks and inodes to be charged for each ea block.
+ */
+ ext2_refcount_t ea_block_quota_blocks;
+ ext2_refcount_t ea_block_quota_inodes;
+
+ /*
+ * ea_inode references from attr entries.
+ */
+ ext2_refcount_t ea_inode_refs;
+
+ /*
* Array of flags indicating whether an inode bitmap, block
* bitmap, or inode table is invalid
*/
*/
ext2_ino_t lost_and_found;
int bad_lost_and_found;
-
+
/*
* Directory information
*/
- int dir_info_count;
- int dir_info_size;
- struct dir_info *dir_info;
+ struct dir_info_db *dir_info;
/*
* Indexed directory information
*/
int process_inode_size;
int inode_buffer_blocks;
+ unsigned int htree_slack_percentage;
/*
* ext3 journal support
io_channel journal_io;
char *journal_name;
+ /*
+ * Ext4 quota support
+ */
+ quota_ctx_t qctx;
#ifdef RESOURCE_TRACK
/*
* For timing purposes
unsigned int progress_last_time;
int interactive; /* Are we connected directly to a tty? */
char start_meta[2], stop_meta[2];
-
- /* File counts */
- int fs_directory_count;
- int fs_regular_count;
- int fs_blockdev_count;
- int fs_chardev_count;
- int fs_links_count;
- int fs_symlinks_count;
- int fs_fast_symlinks_count;
- int fs_fifo_count;
- int fs_total_count;
- int fs_badblocks_count;
- int fs_sockets_count;
- int fs_ind_count;
- int fs_dind_count;
- int fs_tind_count;
- int fs_fragmented;
- int large_files;
- int fs_ext_attr_inodes;
- int fs_ext_attr_blocks;
+ /* File counts */
+ __u32 fs_directory_count;
+ __u32 fs_regular_count;
+ __u32 fs_blockdev_count;
+ __u32 fs_chardev_count;
+ __u32 fs_links_count;
+ __u32 fs_symlinks_count;
+ __u32 fs_fast_symlinks_count;
+ __u32 fs_fifo_count;
+ __u32 fs_total_count;
+ __u32 fs_badblocks_count;
+ __u32 fs_sockets_count;
+ __u32 fs_ind_count;
+ __u32 fs_dind_count;
+ __u32 fs_tind_count;
+ __u32 fs_fragmented;
+ __u32 fs_fragmented_dir;
+ __u32 large_files;
+ __u32 fs_ext_attr_inodes;
+ __u32 fs_ext_attr_blocks;
+ __u32 extent_depth_count[MAX_EXTENT_DEPTH_COUNT];
+
+ /* misc fields */
time_t now;
-
+ time_t time_fudge; /* For working around buggy init scripts */
int ext_attr_ver;
-
+ enum shared_opt shared;
+ enum clone_opt clone;
profile_t profile;
+ int blocks_per_page;
+ ext2_u32_list encrypted_dirs;
+
+ /* Expand large inodes to atleast these many bytes */
+ int want_extra_isize;
+ /* minimum i_extra_isize found in used inodes. Should not be lesser
+ * than s_min_extra_isize.
+ */
+ __u32 min_extra_isize;
+ int fs_unexpanded_inodes;
+ ext2fs_inode_bitmap expand_eisize_map;
+
+ /* Reserve blocks for root and l+f re-creation */
+ blk64_t root_repair_block, lnf_repair_block;
/*
* For the use of callers of the e2fsck functions; not used by
* e2fsck functions themselves.
*/
void *priv_data;
+ ext2fs_block_bitmap block_metadata_map; /* Metadata blocks */
+
+ /* How much are we allowed to readahead? */
+ unsigned long long readahead_kb;
+
+ /*
+ * Inodes to rebuild extent trees
+ */
+ ext2fs_inode_bitmap inodes_to_rebuild;
+
+ /* Undo file */
+ char *undo_file;
+};
+
+/* Data structures to evaluate whether an extent tree needs rebuilding. */
+struct extent_tree_level {
+ unsigned int num_extents;
+ unsigned int max_extents;
+};
+
+struct extent_tree_info {
+ ext2_ino_t ino;
+ int force_rebuild;
+ struct extent_tree_level ext_info[MAX_EXTENT_DEPTH_COUNT];
};
/* Used by the region allocation code */
-typedef __u32 region_addr_t;
+typedef __u64 region_addr_t;
typedef struct region_struct *region_t;
#ifndef HAVE_STRNLEN
/* dirinfo.c */
extern void e2fsck_add_dir_info(e2fsck_t ctx, ext2_ino_t ino, ext2_ino_t parent);
-extern struct dir_info *e2fsck_get_dir_info(e2fsck_t ctx, ext2_ino_t ino);
extern void e2fsck_free_dir_info(e2fsck_t ctx);
extern int e2fsck_get_num_dirinfo(e2fsck_t ctx);
-extern struct dir_info *e2fsck_dir_info_iter(e2fsck_t ctx, int *control);
+extern struct dir_info_iter *e2fsck_dir_info_iter_begin(e2fsck_t ctx);
+extern struct dir_info *e2fsck_dir_info_iter(e2fsck_t ctx,
+ struct dir_info_iter *);
+extern void e2fsck_dir_info_iter_end(e2fsck_t ctx, struct dir_info_iter *);
+extern int e2fsck_dir_info_set_parent(e2fsck_t ctx, ext2_ino_t ino,
+ ext2_ino_t parent);
+extern int e2fsck_dir_info_set_dotdot(e2fsck_t ctx, ext2_ino_t ino,
+ ext2_ino_t dotdot);
+extern int e2fsck_dir_info_get_parent(e2fsck_t ctx, ext2_ino_t ino,
+ ext2_ino_t *parent);
+extern int e2fsck_dir_info_get_dotdot(e2fsck_t ctx, ext2_ino_t ino,
+ ext2_ino_t *dotdot);
/* dx_dirinfo.c */
extern void e2fsck_add_dx_dir(e2fsck_t ctx, ext2_ino_t ino, int num_blocks);
extern struct dx_dir_info *e2fsck_dx_dir_info_iter(e2fsck_t ctx, int *control);
/* ea_refcount.c */
-extern errcode_t ea_refcount_create(int size, ext2_refcount_t *ret);
+typedef __u64 ea_key_t;
+typedef __u64 ea_value_t;
+
+extern errcode_t ea_refcount_create(size_t size, ext2_refcount_t *ret);
extern void ea_refcount_free(ext2_refcount_t refcount);
-extern errcode_t ea_refcount_fetch(ext2_refcount_t refcount, blk_t blk,
- int *ret);
+extern errcode_t ea_refcount_fetch(ext2_refcount_t refcount, ea_key_t ea_key,
+ ea_value_t *ret);
extern errcode_t ea_refcount_increment(ext2_refcount_t refcount,
- blk_t blk, int *ret);
+ ea_key_t ea_key, ea_value_t *ret);
extern errcode_t ea_refcount_decrement(ext2_refcount_t refcount,
- blk_t blk, int *ret);
-extern errcode_t ea_refcount_store(ext2_refcount_t refcount,
- blk_t blk, int count);
-extern blk_t ext2fs_get_refcount_size(ext2_refcount_t refcount);
+ ea_key_t ea_key, ea_value_t *ret);
+extern errcode_t ea_refcount_store(ext2_refcount_t refcount, ea_key_t ea_key,
+ ea_value_t count);
+extern size_t ext2fs_get_refcount_size(ext2_refcount_t refcount);
extern void ea_refcount_intr_begin(ext2_refcount_t refcount);
-extern blk_t ea_refcount_intr_next(ext2_refcount_t refcount, int *ret);
+extern ea_key_t ea_refcount_intr_next(ext2_refcount_t refcount,
+ ea_value_t *ret);
/* ehandler.c */
extern const char *ehandler_operation(const char *op);
extern void ehandler_init(io_channel channel);
+/* extents.c */
+struct problem_context;
+errcode_t e2fsck_rebuild_extents_later(e2fsck_t ctx, ext2_ino_t ino);
+int e2fsck_ino_will_be_rebuilt(e2fsck_t ctx, ext2_ino_t ino);
+void e2fsck_pass1e(e2fsck_t ctx);
+errcode_t e2fsck_check_rebuild_extents(e2fsck_t ctx, ext2_ino_t ino,
+ struct ext2_inode *inode,
+ struct problem_context *pctx);
+errcode_t e2fsck_should_rebuild_extents(e2fsck_t ctx,
+ struct problem_context *pctx,
+ struct extent_tree_info *eti,
+ struct ext2_extent_info *info);
+
/* journal.c */
-extern int e2fsck_check_ext3_journal(e2fsck_t ctx);
-extern int e2fsck_run_ext3_journal(e2fsck_t ctx);
+extern errcode_t e2fsck_check_ext3_journal(e2fsck_t ctx);
+extern errcode_t e2fsck_run_ext3_journal(e2fsck_t ctx);
extern void e2fsck_move_ext3_journal(e2fsck_t ctx);
extern int e2fsck_fix_ext3_journal_hint(e2fsck_t ctx);
+/* logfile.c */
+extern void set_up_logging(e2fsck_t ctx);
+
+/* quota.c */
+extern void e2fsck_hide_quota(e2fsck_t ctx);
+extern void e2fsck_validate_quota_inodes(e2fsck_t ctx);
+
/* pass1.c */
-extern void e2fsck_use_inode_shortcuts(e2fsck_t ctx, int bool);
+extern errcode_t e2fsck_setup_icount(e2fsck_t ctx, const char *icount_name,
+ int flags, ext2_icount_t hint,
+ ext2_icount_t *ret);
+extern void e2fsck_use_inode_shortcuts(e2fsck_t ctx, int use_shortcuts);
extern int e2fsck_pass1_check_device_inode(ext2_filsys fs,
struct ext2_inode *inode);
-extern int e2fsck_pass1_check_symlink(ext2_filsys fs,
+extern int e2fsck_pass1_check_symlink(ext2_filsys fs, ext2_ino_t ino,
struct ext2_inode *inode, char *buf);
+extern void e2fsck_clear_inode(e2fsck_t ctx, ext2_ino_t ino,
+ struct ext2_inode *inode, int restart_flag,
+ const char *source);
+extern void e2fsck_intercept_block_allocations(e2fsck_t ctx);
/* pass2.c */
extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
extern errcode_t e2fsck_expand_directory(e2fsck_t ctx, ext2_ino_t dir,
int num, int gauranteed_size);
extern ext2_ino_t e2fsck_get_lost_and_found(e2fsck_t ctx, int fix);
-extern errcode_t e2fsck_adjust_inode_count(e2fsck_t ctx, ext2_ino_t ino,
+extern errcode_t e2fsck_adjust_inode_count(e2fsck_t ctx, ext2_ino_t ino,
int adj);
+/* readahead.c */
+#define E2FSCK_READA_SUPER (0x01)
+#define E2FSCK_READA_GDT (0x02)
+#define E2FSCK_READA_BBITMAP (0x04)
+#define E2FSCK_READA_IBITMAP (0x08)
+#define E2FSCK_READA_ITABLE (0x10)
+#define E2FSCK_READA_ALL_FLAGS (0x1F)
+errcode_t e2fsck_readahead(ext2_filsys fs, int flags, dgrp_t start,
+ dgrp_t ngroups);
+#define E2FSCK_RA_DBLIST_IGNORE_BLOCKCNT (0x01)
+#define E2FSCK_RA_DBLIST_ALL_FLAGS (0x01)
+errcode_t e2fsck_readahead_dblist(ext2_filsys fs, int flags,
+ ext2_dblist dblist,
+ unsigned long long start,
+ unsigned long long count);
+int e2fsck_can_readahead(ext2_filsys fs);
+unsigned long long e2fsck_guess_readahead(ext2_filsys fs);
/* region.c */
extern region_t region_create(region_addr_t min, region_addr_t max);
extern int region_allocate(region_t region, region_addr_t start, int n);
/* rehash.c */
-errcode_t e2fsck_rehash_dir(e2fsck_t ctx, ext2_ino_t ino);
+void e2fsck_rehash_dir_later(e2fsck_t ctx, ext2_ino_t ino);
+int e2fsck_dir_will_be_rehashed(e2fsck_t ctx, ext2_ino_t ino);
+errcode_t e2fsck_rehash_dir(e2fsck_t ctx, ext2_ino_t ino,
+ struct problem_context *pctx);
void e2fsck_rehash_directories(e2fsck_t ctx);
+/* sigcatcher.c */
+void sigcatcher_setup(void);
+
/* super.c */
void check_super_block(e2fsck_t ctx);
-errcode_t e2fsck_get_device_size(e2fsck_t ctx);
-
-/* swapfs.c */
-void swap_filesys(e2fsck_t ctx);
+int check_backup_super_block(e2fsck_t ctx);
+void check_resize_inode(e2fsck_t ctx);
/* util.c */
extern void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned int size,
const char *description);
extern int ask(e2fsck_t ctx, const char * string, int def);
-extern int ask_yn(const char * string, int def);
+extern int ask_yn(e2fsck_t ctx, const char * string, int def);
extern void fatal_error(e2fsck_t ctx, const char * fmt_string);
+extern void log_out(e2fsck_t ctx, const char *fmt, ...)
+ E2FSCK_ATTR((format(printf, 2, 3)));
+extern void log_err(e2fsck_t ctx, const char *fmt, ...)
+ E2FSCK_ATTR((format(printf, 2, 3)));
extern void e2fsck_read_bitmaps(e2fsck_t ctx);
extern void e2fsck_write_bitmaps(e2fsck_t ctx);
extern void preenhalt(e2fsck_t ctx);
extern char *string_copy(e2fsck_t ctx, const char *str, int len);
+extern int fs_proc_check(const char *fs_name);
+extern int check_for_modules(const char *fs_name);
#ifdef RESOURCE_TRACK
-extern void print_resource_track(const char *desc,
- struct resource_track *track);
-extern void init_resource_track(struct resource_track *track);
+extern void print_resource_track(e2fsck_t ctx,
+ const char *desc,
+ struct resource_track *track,
+ io_channel channel);
+extern void init_resource_track(struct resource_track *track,
+ io_channel channel);
+#else
+#define print_resource_track(ctx, desc, track, channel) do { } while (0)
+#define init_resource_track(track, channel) do { } while (0)
#endif
extern int inode_has_valid_blocks(struct ext2_inode *inode);
extern void e2fsck_read_inode(e2fsck_t ctx, unsigned long ino,
struct ext2_inode * inode, const char * proc);
+extern void e2fsck_read_inode_full(e2fsck_t ctx, unsigned long ino,
+ struct ext2_inode *inode,
+ const int bufsize, const char *proc);
extern void e2fsck_write_inode(e2fsck_t ctx, unsigned long ino,
struct ext2_inode * inode, const char * proc);
extern void e2fsck_write_inode_full(e2fsck_t ctx, unsigned long ino,
#ifdef MTRACE
extern void mtrace_print(char *mesg);
#endif
-extern blk_t get_backup_sb(e2fsck_t ctx, ext2_filsys fs,
+extern blk64_t get_backup_sb(e2fsck_t ctx, ext2_filsys fs,
const char *name, io_manager manager);
extern int ext2_file_type(unsigned int mode);
+extern int write_all(int fd, char *buf, size_t count);
+void dump_mmp_msg(struct mmp_struct *mmp, const char *fmt, ...)
+ E2FSCK_ATTR((format(printf, 2, 3)));
+errcode_t e2fsck_mmp_update(ext2_filsys fs);
+
+extern void e2fsck_set_bitmap_type(ext2_filsys fs,
+ unsigned int default_type,
+ const char *profile_name,
+ unsigned int *old_type);
+extern errcode_t e2fsck_allocate_inode_bitmap(ext2_filsys fs,
+ const char *descr,
+ int default_type,
+ const char *profile_name,
+ ext2fs_inode_bitmap *ret);
+extern errcode_t e2fsck_allocate_block_bitmap(ext2_filsys fs,
+ const char *descr,
+ int default_type,
+ const char *profile_name,
+ ext2fs_block_bitmap *ret);
+extern errcode_t e2fsck_allocate_subcluster_bitmap(ext2_filsys fs,
+ const char *descr,
+ int default_type,
+ const char *profile_name,
+ ext2fs_block_bitmap *ret);
+unsigned long long get_memory_size(void);
/* unix.c */
extern void e2fsck_clear_progbar(e2fsck_t ctx);
extern int e2fsck_simple_progress(e2fsck_t ctx, const char *label,
float percent, unsigned int dpynum);
+
+#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
+
+#endif /* _E2FSCK_H */