superblock. E2fsck will automatically save the journal information
in the superblock if it is not there already, and will use it if the
journal inode appears to be corrupted. ext2fs_add_journal_inode()
will also save the backup information, so that new filesystems
created by mke2fs and filesystems that have journals added via
tune2fs will also have journal location written to the superblock as
well. Debugfs's logdump command has been enhanced so that it can
use the journal information in the superblock.
The debugfs man page has been improved to more fully describe the
logdump command.
Added two new functions, ext2fs_file_open2() and
ext2fs_inode_io_intern2() which take a pointer to an inode structure;
this is needed so that e2fsck and debugfs can synthesize a
fake journal inode and use it to access the journal.
util.c (reset_getopt), debugfs.c (do_open_filesys,
do_show_super_stats), ls.c (do_list_dir), dump.c (do_dump),
htree.c (do_htree_dump, do_dx_hash), logdump.c (do_logdump):
Define and use a new function, reset_getopt(), which does whatever
is necessary to reset getopt() again. This is different for
different implementations, so the portabilty issues are a bit of a
nightmare. (Addresses Debian bug #192834)
recover deleted files. The lsdel command now takes an optional
argument which allows the user to only see the most recently
deleted files. Also added a new command, undel, which automates
undeleting a deleted inode and linking it back to a directory.
Also added an optional count argument to the testb, freeb, setb,
and find_free_block commands. The ls command now takes a new
option, -d, which lists deleted directory entries.
Factored out out commonly used code into utility subroutines
for ease of maintenance and to make the executable size smaller.
debugfs.c (dump_blocks, dump_inode, internal_dump_inode): Add
internal_dump_inode() interface for the logdump command.
logdump.c: Imported code from Stephen Tweedie to dump the ext3 journal.