main(int argc, char **argv)
{
errcode_t retval;
char *device_name;
ext2_filsys fs;
if (argc < 2) {
fprintf(stderr, "Usage: %s filesystem\n", argv[0]);
exit(1);
}
device_name = argv[1];
retval = ext2fs_open (device_name, EXT2_FLAG_RW, 0, 0,
unix_io_manager, &fs);
if (retval) {
com_err(argv[0], retval, "while opening %s", device_name);
exit(1);
}
retval = ext2fs_add_journal_inode(fs, 1024, 0);
if (retval) {
com_err(argv[0], retval, "while adding journal to %s",
device_name);
exit(1);
}
retval = ext2fs_flush(fs);
if (retval) {
printf("Warning, had trouble writing out superblocks.\n");
}
ext2fs_close(fs);
exit(0);
}
int e2fsck_run_ext3_journal(e2fsck_t ctx)
{
io_manager io_ptr = ctx->fs->io->manager;
int blocksize = ctx->fs->blocksize;
errcode_t retval, recover_retval;
io_stats stats = 0;
unsigned long long kbytes_written = 0;
printf(_("%s: recovering journal\n"), ctx->device_name);
if (ctx->options & E2F_OPT_READONLY) {
printf(_("%s: won't do journal recovery while read-only\n"),
ctx->device_name);
return EXT2_ET_FILE_RO;
}
if (ctx->fs->flags & EXT2_FLAG_DIRTY)
ext2fs_flush(ctx->fs); /* Force out any modifications */
recover_retval = recover_ext3_journal(ctx);
/*
* Reload the filesystem context to get up-to-date data from disk
* because journal recovery will change the filesystem under us.
*/
if (ctx->fs->super->s_kbytes_written &&
ctx->fs->io->manager->get_stats)
ctx->fs->io->manager->get_stats(ctx->fs->io, &stats);
if (stats && stats->bytes_written)
kbytes_written = stats->bytes_written >> 10;
ext2fs_mmp_stop(ctx->fs);
ext2fs_free(ctx->fs);
retval = ext2fs_open(ctx->filesystem_name, EXT2_FLAG_RW,
ctx->superblock, blocksize, io_ptr,
&ctx->fs);
if (retval) {
com_err(ctx->program_name, retval,
_("while trying to re-open %s"),
ctx->device_name);
fatal_error(ctx, 0);
}
ctx->fs->priv_data = ctx;
ctx->fs->now = ctx->now;
ctx->fs->flags |= EXT2_FLAG_MASTER_SB_ONLY;
ctx->fs->super->s_kbytes_written += kbytes_written;
/* Set the superblock flags */
e2fsck_clear_recover(ctx, recover_retval);
/*
* Do one last sanity check, and propagate journal->s_errno to
* the EXT2_ERROR_FS flag in the fs superblock if needed.
*/
retval = e2fsck_check_ext3_journal(ctx);
return retval ? retval : recover_retval;
}
errcode_t ext2fs_run_ext3_journal(ext2_filsys *fsp)
{
ext2_filsys fs = *fsp;
io_manager io_ptr = fs->io->manager;
errcode_t retval, recover_retval;
io_stats stats = 0;
unsigned long long kbytes_written = 0;
char *fsname;
int fsflags;
int fsblocksize;
if (!(fs->flags & EXT2_FLAG_RW))
return EXT2_ET_FILE_RO;
if (fs->flags & EXT2_FLAG_DIRTY)
ext2fs_flush(fs); /* Force out any modifications */
recover_retval = recover_ext3_journal(fs);
/*
* Reload the filesystem context to get up-to-date data from disk
* because journal recovery will change the filesystem under us.
*/
if (fs->super->s_kbytes_written &&
fs->io->manager->get_stats)
fs->io->manager->get_stats(fs->io, &stats);
if (stats && stats->bytes_written)
kbytes_written = stats->bytes_written >> 10;
ext2fs_mmp_stop(fs);
fsname = strdup(fs->device_name);
fsflags = fs->flags;
fsblocksize = fs->blocksize;
ext2fs_free(fs);
retval = ext2fs_open(fsname, fsflags,
0, fsblocksize, io_ptr,
fsp);
free(fsname);
if (retval)
return retval;
fs = *fsp;
fs->flags |= EXT2_FLAG_MASTER_SB_ONLY;
fs->super->s_kbytes_written += kbytes_written;
/* Set the superblock flags */
ext2fs_clear_recover(fs, recover_retval != 0);
/*
* Do one last sanity check, and propagate journal->s_errno to
* the EXT2_ERROR_FS flag in the fs superblock if needed.
*/
retval = ext2fs_check_ext3_journal(fs);
return retval ? retval : recover_retval;
}
void swap_filesys(e2fsck_t ctx)
{
ext2_filsys fs = ctx->fs;
#ifdef RESOURCE_TRACK
struct resource_track rtrack;
init_resource_track(&rtrack);
#endif
if (!(ctx->options & E2F_OPT_PREEN))
printf(_("Pass 0: Doing byte-swap of filesystem\n"));
#ifdef MTRACE
mtrace_print("Byte swap");
#endif
if (fs->super->s_mnt_count) {
fprintf(stderr, _("%s: the filesystem must be freshly "
"checked using fsck\n"
"and not mounted before trying to "
"byte-swap it.\n"), ctx->device_name);
ctx->flags |= E2F_FLAG_ABORT;
return;
}
if (fs->flags & EXT2_FLAG_SWAP_BYTES) {
fs->flags &= ~(EXT2_FLAG_SWAP_BYTES|
EXT2_FLAG_SWAP_BYTES_WRITE);
fs->flags |= EXT2_FLAG_SWAP_BYTES_READ;
} else {
fs->flags &= ~EXT2_FLAG_SWAP_BYTES_READ;
fs->flags |= EXT2_FLAG_SWAP_BYTES_WRITE;
}
swap_inodes(ctx);
if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
return;
if (fs->flags & EXT2_FLAG_SWAP_BYTES_WRITE)
fs->flags |= EXT2_FLAG_SWAP_BYTES;
fs->flags &= ~(EXT2_FLAG_SWAP_BYTES_READ|
EXT2_FLAG_SWAP_BYTES_WRITE);
#ifdef EXT2_BIG_ENDIAN_BITMAPS
e2fsck_read_bitmaps(ctx);
ext2fs_swap_bitmap(fs->inode_map);
ext2fs_swap_bitmap(fs->block_map);
fs->flags |= EXT2_FLAG_BB_DIRTY | EXT2_FLAG_IB_DIRTY;
#endif
fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
ext2fs_flush(fs);
fs->flags |= EXT2_FLAG_MASTER_SB_ONLY;
#ifdef RESOURCE_TRACK
if (ctx->options & E2F_OPT_TIME2)
print_resource_track(_("Byte swap"), &rtrack);
#endif
}
int op_fsync (const char *path, int datasync, struct fuse_file_info *fi)
{
errcode_t rc;
ext2_filsys e2fs = current_ext2fs();
debugf("enter");
debugf("path = %s (%p)", path, fi);
rc = ext2fs_flush(e2fs);
if (rc) {
return -EIO;
}
debugf("leave");
return 0;
}
errcode_t ext2fs_close(ext2_filsys fs)
{
errcode_t retval;
EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);
if (fs->flags & EXT2_FLAG_DIRTY) {
retval = ext2fs_flush(fs);
if (retval)
return retval;
}
if (fs->write_bitmaps) {
retval = fs->write_bitmaps(fs);
if (retval)
return retval;
}
ext2fs_free(fs);
return 0;
}
int e2fsck_run_ext3_journal(e2fsck_t ctx)
{
io_manager io_ptr = ctx->fs->io->manager;
int blocksize = ctx->fs->blocksize;
errcode_t retval, recover_retval;
printf(_("%s: recovering journal\n"), ctx->device_name);
if (ctx->options & E2F_OPT_READONLY) {
printf(_("%s: won't do journal recovery while read-only\n"),
ctx->device_name);
return EXT2_ET_FILE_RO;
}
if (ctx->fs->flags & EXT2_FLAG_DIRTY)
ext2fs_flush(ctx->fs); /* Force out any modifications */
recover_retval = recover_ext3_journal(ctx);
/*
* Reload the filesystem context to get up-to-date data from disk
* because journal recovery will change the filesystem under us.
*/
ext2fs_close(ctx->fs);
retval = ext2fs_open(ctx->filesystem_name, EXT2_FLAG_RW,
ctx->superblock, blocksize, io_ptr,
&ctx->fs);
if (retval) {
com_err(ctx->program_name, retval,
_("while trying to re-open %s"),
ctx->device_name);
fatal_error(ctx, 0);
}
ctx->fs->priv_data = ctx;
ctx->fs->now = ctx->now;
ctx->fs->flags |= EXT2_FLAG_MASTER_SB_ONLY;
/* Set the superblock flags */
e2fsck_clear_recover(ctx, recover_retval);
return recover_retval;
}
