* Modifications by Robert Sanders <gt8134b@prism.gatech.edu>
*/
+#include "config.h"
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
"opening read-only because of catastrophic mode");
open_flags &= ~EXT2_FLAG_RW;
}
+ if (catastrophic)
+ open_flags |= EXT2_FLAG_SKIP_MMP;
retval = ext2fs_open(device, open_flags, superblock, blocksize,
unix_io_manager, ¤t_fs);
open_flags |= EXT2_FLAG_IMAGE_FILE;
break;
case 'w':
+#ifdef READ_ONLY
+ goto print_usage;
+#else
open_flags |= EXT2_FLAG_RW;
+#endif /* READ_ONLY */
break;
case 'f':
open_flags |= EXT2_FLAG_FORCE;
return;
print_usage:
- fprintf(stderr, "%s: Usage: open [-s superblock] [-b blocksize] "
- "[-c] [-w] <device>\n", argv[0]);
+ fprintf(stderr, "%s: Usage: open [-s superblock] [-b blocksize] [-c] "
+#ifndef READ_ONLY
+ "[-w] "
+#endif
+ "<device>\n", argv[0]);
}
void do_lcd(int argc, char **argv)
close_filesystem();
}
+#ifndef READ_ONLY
void do_init_filesys(int argc, char **argv)
{
struct ext2_super_block param;
root = cwd = EXT2_ROOT_INO;
return;
}
+#endif /* READ_ONLY */
static void print_features(struct ext2_super_block * s, FILE *f)
{
void do_show_super_stats(int argc, char *argv[])
{
+ const char *units ="block";
dgrp_t i;
FILE *out;
int c, header_only = 0;
return;
out = open_pager();
+ if (EXT2_HAS_RO_COMPAT_FEATURE(current_fs->super,
+ EXT4_FEATURE_RO_COMPAT_BIGALLOC))
+ units = "cluster";
+
list_super2(current_fs->super, out);
for (i=0; i < current_fs->group_desc_count; i++)
numdirs += ext2fs_bg_used_dirs_count(current_fs, i);
fprintf(out, " Group %2d: block bitmap at %llu, "
"inode bitmap at %llu, "
"inode table at %llu\n"
- " %u free %s, "
+ " %u free %s%s, "
"%u free %s, "
"%u used %s%s",
i, ext2fs_block_bitmap_loc(current_fs, i),
ext2fs_inode_bitmap_loc(current_fs, i),
ext2fs_inode_table_loc(current_fs, i),
- ext2fs_bg_free_blocks_count(current_fs, i),
+ ext2fs_bg_free_blocks_count(current_fs, i), units,
ext2fs_bg_free_blocks_count(current_fs, i) != 1 ?
- "blocks" : "block",
+ "s" : "",
ext2fs_bg_free_inodes_count(current_fs, i),
ext2fs_bg_free_inodes_count(current_fs, i) != 1 ?
"inodes" : "inode",
fprintf(stderr, "%s: Usage: show_super [-h]\n", argv[0]);
}
+#ifndef READ_ONLY
void do_dirty_filesys(int argc EXT2FS_ATTR((unused)),
char **argv EXT2FS_ATTR((unused)))
{
current_fs->super->s_state &= ~EXT2_VALID_FS;
ext2fs_mark_super_dirty(current_fs);
}
+#endif /* READ_ONLY */
struct list_blocks_struct {
FILE *f;
}
fprintf(out, "%sUser: %5d Group: %5d Size: ",
prefix, inode_uid(*inode), inode_gid(*inode));
- if (LINUX_S_ISREG(inode->i_mode)) {
- unsigned long long i_size = (inode->i_size |
- ((unsigned long long)inode->i_size_high << 32));
-
- fprintf(out, "%llu\n", i_size);
- } else
+ if (LINUX_S_ISREG(inode->i_mode))
+ fprintf(out, "%llu\n", EXT2_I_SIZE(inode));
+ else
fprintf(out, "%d\n", inode->i_size);
if (os == EXT2_OS_HURD)
fprintf(out,
return;
}
- logical_width = int_log10(((inode.i_size |
- (__u64) inode.i_size_high << 32) +
- current_fs->blocksize - 1) /
+ logical_width = int_log10((EXT2_I_SIZE(&inode)+current_fs->blocksize-1)/
current_fs->blocksize) + 1;
if (logical_width < 5)
logical_width = 5;
return;
}
+static int print_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
+ blk64_t *blocknr,
+ e2_blkcnt_t blockcnt,
+ blk64_t ref_block EXT2FS_ATTR((unused)),
+ int ref_offset EXT2FS_ATTR((unused)),
+ void *private EXT2FS_ATTR((unused)))
+{
+ printf("%llu ", *blocknr);
+ return 0;
+}
+
+void do_blocks(int argc, char *argv[])
+{
+ ext2_ino_t inode;
+
+ if (check_fs_open(argv[0]))
+ return;
+
+ if (common_inode_args_process(argc, argv, &inode, 0)) {
+ return;
+ }
+
+ ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
+ print_blocks_proc, NULL);
+ fputc('\n', stdout);
+ return;
+}
+
void do_chroot(int argc, char *argv[])
{
ext2_ino_t inode;
root = inode;
}
+#ifndef READ_ONLY
void do_clri(int argc, char *argv[])
{
ext2_ino_t inode;
ext2fs_mark_inode_bitmap2(current_fs->inode_map,inode);
ext2fs_mark_ib_dirty(current_fs);
}
+#endif /* READ_ONLY */
void do_testi(int argc, char *argv[])
{
printf("Inode %u is not in use\n", inode);
}
+#ifndef READ_ONLY
void do_freeb(int argc, char *argv[])
{
blk64_t block;
}
ext2fs_mark_bb_dirty(current_fs);
}
+#endif /* READ_ONLY */
void do_testb(int argc, char *argv[])
{
}
}
+#ifndef READ_ONLY
static void modify_u8(char *com, const char *prompt,
const char *format, __u8 *val)
{
if (debugfs_write_inode(inode_num, &inode, argv[1]))
return;
}
+#endif /* READ_ONLY */
void do_change_working_dir(int argc, char *argv[])
{
return 0;
}
+#ifndef READ_ONLY
static void make_link(char *sourcename, char *destname)
{
ext2_ino_t ino;
unlink_file_by_name(argv[1]);
}
+#endif /* READ_ONLY */
void do_find_free_block(int argc, char *argv[])
{
printf("Free inode found: %u\n", free_inode);
}
+#ifndef READ_ONLY
static errcode_t copy_file(int fd, ext2_ino_t newfile)
{
ext2_file_t e2_file;
inode_buf.i_dtime = current_fs->now ? current_fs->now : time(0);
if (debugfs_write_inode(inode, &inode_buf, 0))
return;
- if (!ext2fs_inode_has_valid_blocks(&inode_buf))
+ if (!ext2fs_inode_has_valid_blocks2(current_fs, &inode_buf))
return;
ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
return;
}
}
+#endif /* READ_ONLY */
void do_show_debugfs_params(int argc EXT2FS_ATTR((unused)),
char *argv[] EXT2FS_ATTR((unused)))
current_fs ? current_fs->device_name : "--none--");
}
+#ifndef READ_ONLY
void do_expand_dir(int argc, char *argv[])
{
ext2_ino_t inode;
}
print_features(current_fs->super, stdout);
}
+#endif /* READ_ONLY */
void do_bmap(int argc, char *argv[])
{
}
+#ifndef READ_ONLY
void do_set_current_time(int argc, char *argv[])
{
time_t now;
current_fs->now = now;
}
}
+#endif /* READ_ONLY */
static int find_supp_feature(__u32 *supp, int feature_type, char *name)
{
}
}
+#ifndef READ_ONLY
void do_punch(int argc, char *argv[])
{
ext2_ino_t ino;
return;
}
}
+#endif /* READ_ONLY */
+
+void do_dump_mmp(int argc, char *argv[])
+{
+ struct ext2_super_block *sb;
+ struct mmp_struct *mmp_s;
+ time_t t;
+ errcode_t retval = 0;
+
+ if (check_fs_open(argv[0]))
+ return;
+
+ sb = current_fs->super;
+ if (sb->s_mmp_block <= sb->s_first_data_block ||
+ sb->s_mmp_block >= ext2fs_blocks_count(sb)) {
+ com_err(argv[0], EXT2_ET_MMP_BAD_BLOCK, "while dumping it.\n");
+ return;
+ }
+
+ if (current_fs->mmp_buf == NULL) {
+ retval = ext2fs_get_mem(current_fs->blocksize,
+ ¤t_fs->mmp_buf);
+ if (retval) {
+ com_err(argv[0], retval, "allocating MMP buffer.\n");
+ return;
+ }
+ }
+
+ mmp_s = current_fs->mmp_buf;
+
+ retval = ext2fs_mmp_read(current_fs, current_fs->super->s_mmp_block,
+ current_fs->mmp_buf);
+ if (retval) {
+ com_err(argv[0], retval, "reading MMP block.\n");
+ return;
+ }
+
+ t = mmp_s->mmp_time;
+ fprintf(stdout, "block_number: %llu\n", current_fs->super->s_mmp_block);
+ fprintf(stdout, "update_interval: %d\n",
+ current_fs->super->s_mmp_update_interval);
+ fprintf(stdout, "check_interval: %d\n", mmp_s->mmp_check_interval);
+ fprintf(stdout, "sequence: %08x\n", mmp_s->mmp_seq);
+ fprintf(stdout, "time: %lld -- %s", mmp_s->mmp_time, ctime(&t));
+ fprintf(stdout, "node_name: %s\n", mmp_s->mmp_nodename);
+ fprintf(stdout, "device_name: %s\n", mmp_s->mmp_bdevname);
+ fprintf(stdout, "magic: 0x%x\n", mmp_s->mmp_magic);
+}
static int source_file(const char *cmd_file, int sci_idx)
{
{
int retval;
int sci_idx;
- const char *usage = "Usage: %s [-b blocksize] [-s superblock] [-f cmd_file] [-R request] [-V] [[-w] [-c] device]";
+ const char *usage =
+ "Usage: %s [-b blocksize] [-s superblock] [-f cmd_file] "
+ "[-R request] [-V] ["
+#ifndef READ_ONLY
+ "[-w] "
+#endif
+ "[-c] device]";
int c;
int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS;
char *request = 0;
blk64_t blocksize = 0;
int catastrophic = 0;
char *data_filename = 0;
+#ifdef READ_ONLY
+ const char *opt_string = "icR:f:b:s:Vd:D";
+#else
+ const char *opt_string = "iwcR:f:b:s:Vd:D";
+#endif
if (debug_prog_name == 0)
+#ifdef READ_ONLY
+ debug_prog_name = "rdebugfs";
+#else
debug_prog_name = "debugfs";
-
+#endif
add_error_table(&et_ext2_error_table);
fprintf (stderr, "%s %s (%s)\n", debug_prog_name,
E2FSPROGS_VERSION, E2FSPROGS_DATE);
- while ((c = getopt (argc, argv, "iwcR:f:b:s:Vd:D")) != EOF) {
+ while ((c = getopt (argc, argv, opt_string)) != EOF) {
switch (c) {
case 'R':
request = optarg;
case 'i':
open_flags |= EXT2_FLAG_IMAGE_FILE;
break;
+#ifndef READ_ONLY
case 'w':
open_flags |= EXT2_FLAG_RW;
break;
+#endif
case 'D':
open_flags |= EXT2_FLAG_DIRECT_IO;
break;
projects / thirdparty / e2fsprogs.git / blobdiff