lgcosta/reiserfsprogs
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Imported reiserfsprogs-3.6.13

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This commit is contained in:
Jeff Mahoney committed 2012-10-11 11:30:27 -04:00
1 parent cccefa4d84
commit 18057cdad6
78 files changed
+1697 -2226
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debugreiserfs/debugreiserfs.c
+71 -70
View File
@@ -1,5 +1,5 @@
/*
* Copyright 2000-2003 by Hans Reiser, licensing governed by
* Copyright 2000-2004 by Hans Reiser, licensing governed by
* reiserfsprogs/README
*/
@@ -12,6 +12,7 @@ fprintf (stderr, "Usage: %s [options] device\n\n\
Options:\n\
-d\t\tprint blocks details of the internal tree\n\
-D\t\tprint blocks details of all used blocks\n\
-B file\textract list of badblocks\n\
-m\t\tprint bitmap blocks\n\
-o\t\tprint objectid map\n\n\
-J\t\tprint journal header\n\
@@ -19,12 +20,12 @@ Options:\n\
-p\t\tsend filesystem metadata to stdout\n\
-S\t\thandle all blocks, not only used\n\
-1 block\tblock to print\n\
-q\t\tno speed info (for -p, -s and -n)\n\n", argv[0]);\
-q\t\tno speed info (for -p, -s and -n)\n\
-V\t\tprint version and exit\n\n", argv[0]);\
exit (16);\
}
/*
-B file\textract list of badblocks\n\
Undocumented options:
-a map_file\n\tstore to the file the map of file. Is used with -n, -N, -r, -f\n
@@ -55,7 +56,7 @@ struct reiserfs_fsstat {
static void print_disk_tree (reiserfs_filsys_t * fs, unsigned long block_nr)
{
struct buffer_head * bh;
int i, count;
int i, j, count;
static int level = -1;
if (level == -1)
@@ -94,9 +95,18 @@ static void print_disk_tree (reiserfs_filsys_t * fs, unsigned long block_nr)
ih = B_N_PITEM_HEAD (bh, 0);
count = leaf_item_number_estimate(bh);
for (i = 0; i <= count; i++, ih++) {
if (is_indirect_ih(ih))
g_stat_info.nr_unformatted += I_UNFM_NUM(ih);
for (i = 0; i < count; i++, ih++) {
if (is_indirect_ih(ih)) {
__u32 * ind_item = (__u32 *)B_I_PITEM (bh, ih);
__u32 unfm_ptr;
for (j = 0; j < (int)I_UNFM_NUM (ih); j ++) {
unfm_ptr = le32_to_cpu (ind_item [j]);
if (unfm_ptr) {
g_stat_info.nr_unformatted += 1;
}
}
}
}
} else {
print_block (stdout, fs, bh, data (fs)->options & PRINT_TREE_DETAILS, -1, -1);
@@ -202,6 +212,7 @@ static void print_one_block (reiserfs_filsys_t * fs, unsigned long block)
char * where_to_save;
char * badblocks_file;
char * corruption_list_file;
char *program_name;
static char * parse_options (struct debugreiserfs_data * data, int argc, char * argv [])
{
@@ -210,8 +221,15 @@ static char * parse_options (struct debugreiserfs_data * data, int argc, char *
data->scan_area = USED_BLOCKS;
data->mode = DO_DUMP;
program_name = strrchr( argv[ 0 ], '/' );
if (program_name)
program_name++;
else
program_name = argv[ 0 ];
while ((c = getopt (argc, argv, "a:b:C:F:SU1:psn:Nfr:dDomj:J:qtZl:L")) != EOF) {
while ((c = getopt (argc, argv, "a:b:C:F:SU1:psn:Nfr:dDomj:JqtZl:LVB:")) != EOF) {
switch (c) {
case 'a': /* -r will read this, -n and -N will write to it */
asprintf (&data->map_file, "%s", optarg);
@@ -314,7 +332,6 @@ static char * parse_options (struct debugreiserfs_data * data, int argc, char *
case 'J':
data->options |= PRINT_JOURNAL_HEADER;
data->journal_device_name = optarg;
break;
case 'R': /* read block numbers from stdin and look for them in the
@@ -346,13 +363,23 @@ static char * parse_options (struct debugreiserfs_data * data, int argc, char *
/* random fs corruption */
data->mode = DO_RANDOM_CORRUPTION;
break;
case 'V':
data->mode = DO_NOTHING;
break;
}
}
if (data->mode == DO_NOTHING) {
print_banner(program_name);
exit(0);
}
if (optind != argc - 1)
/* only one non-option argument is permitted */
print_usage_and_exit();
print_banner(program_name);
data->device_name = argv[optind];
return argv[optind];
}
@@ -473,74 +500,49 @@ static void do_dump_tree (reiserfs_filsys_t * fs)
init_bitmap (fs);
if (data (fs)->options & PRINT_DETAILS || data (fs)->options & PRINT_TREE_DETAILS) {
if (data (fs)->options & PRINT_DETAILS)
if (data (fs)->options & PRINT_DETAILS) {
print_disk_blocks (fs);
else
printf("The '%s' device with reiserfs has:\n", fs->fs_file_name);
} else {
print_disk_tree (fs, get_sb_root_block (fs->fs_ondisk_sb));
printf("The internal reiserfs tree has:\n");
}
/* print the statistic */
printf ("File system uses %d internal + %d leaves + %d unformatted nodes = %d blocks\n",
g_stat_info.nr_internals, g_stat_info.nr_leaves, g_stat_info.nr_unformatted,
g_stat_info.nr_internals + g_stat_info.nr_leaves + g_stat_info.nr_unformatted);
printf ("\t%d internal + %d leaves + %d unformatted nodes = %d blocks\n",
g_stat_info.nr_internals, g_stat_info.nr_leaves, g_stat_info.nr_unformatted,
g_stat_info.nr_internals + g_stat_info.nr_leaves + g_stat_info.nr_unformatted);
}
}
void extract_badblock_list ()
static void callback_badblock_print(reiserfs_filsys_t *fs,
struct path *badblock_path,
void *data)
{
FILE * fd;
struct key badblock_key = {-1, -1, {{0, 0}}};
struct key * rdkey;
struct path badblock_path;
struct item_head * tmp_ih;
__u32 i;
__u32 * ind_item;
struct item_head *tmp_ih;
FILE *fd = (FILE *)data;
__u32 *ind_item;
__u32 i;
tmp_ih = get_ih(badblock_path);
ind_item = (__u32 *)get_item(badblock_path);
fd = fopen (badblocks_file, "w");
if (fd == NULL) {
for (i = 0; i < I_UNFM_NUM(tmp_ih); i++, ind_item++)
fprintf (fd, "%u\n", le32_to_cpu (*ind_item));
pathrelse (badblock_path);
}
void extract_badblock_list () {
FILE *fd;
if (!(fd = fopen (badblocks_file, "w"))) {
reiserfs_warning (stderr, "debugreiserfs: could not open badblock file %s\n",
badblocks_file);
badblocks_file);
exit (1);
}
badblock_path.path_length = ILLEGAL_PATH_ELEMENT_OFFSET;
set_type_and_offset (KEY_FORMAT_2, &badblock_key, 1, TYPE_INDIRECT);
while (1) {
reiserfs_search_by_key_4 (fs, &badblock_key, &badblock_path);
if (get_blkh_nr_items ( B_BLK_HEAD (get_bh(&badblock_path))) <= PATH_LAST_POSITION (&badblock_path)) {
break;
}
tmp_ih = get_ih(&badblock_path);
if (get_key_dirid(&tmp_ih->ih_key) != (__u32)-1 ||
get_key_objectid(&tmp_ih->ih_key) != (__u32)-1) {
break;
}
/* even if offset or type are corrupted it could be a badblock list */
if (!is_indirect_ih (tmp_ih)) {
reiserfs_warning (stderr, "$s: a badblock item which was found has a wrong type.\n"
" It probable contains not correct bad block list, check it.\n", __FUNCTION__);
}
ind_item = (__u32 *)B_I_PITEM (get_bh (&badblock_path), tmp_ih);
for (i = 0; i < get_ih_item_len (tmp_ih) / UNFM_P_SIZE; i++, ind_item++)
fprintf (fd, "%u\n", le32_to_cpu (*ind_item));
if ((rdkey = get_next_key_2 (&badblock_path)) == NULL)
break;
else
badblock_key = *rdkey;
pathrelse (&badblock_path);
}
pathrelse (&badblock_path);
badblock_list(fs, callback_badblock_print, fd);
fclose (fd);
}
@@ -634,8 +636,6 @@ int main (int argc, char * argv[])
int error;
struct debugreiserfs_data * data;
print_banner ("debugreiserfs");
data = getmem (sizeof (struct debugreiserfs_data));
file_name = parse_options (data, argc, argv);
@@ -649,7 +649,6 @@ int main (int argc, char * argv[])
if (reiserfs_open_journal (fs, data (fs)->journal_device_name, O_RDONLY)) {
fprintf(stderr, "\ndebugreiserfs: Failed to open the fs journal.\n");
exit(1);
}
switch (debug_mode (fs)) {
@@ -706,8 +705,10 @@ int main (int argc, char * argv[])
/*do_test (fs);*/
break;
case DO_EXTRACT_BADBLOCKS:
reiserfs_warning (stderr, "Will try to extract list of bad blocks and save it to '%s' file\n", badblocks_file);
extract_badblock_list ();
reiserfs_warning (stderr, "Will try to extract list of bad blocks and "
"save it to '%s' file\n", badblocks_file);
extract_badblock_list ();
reiserfs_warning (stderr, "Done\n\n");
break;
}