u...@laptop:~/prog/sources/nilfs-utils-2.0.6$ sudo fsck0.nilfs2 /dev/sdb [sudo] password for user: Super-block: revision = 2.0, checksum = OK blocksize = 4096 write time = 2008-12-28 09:48:42 indicated partial segment: blocknr = 4263936 segnum = 2082, seq = 11746, cno=6661
empty or bad segment: segnum = 2082, blocknr = 4263936 The latest segment is lost. Trying rollback recovery.. . Searching the latest checkpoint. Selected segment: blocknr = 4261888 segnum = 2081, seq = 11745, cno=6660 creation time = 2008-12-28 09:48:34 Do you wish to overwrite super block (y/N)? Y Recovery will complete on mount. u...@laptop:~/prog/sources/nilfs-utils-2.0.6$ sudo mount /media/pendrive/ mount.nilfs2: Error while mounting /dev/sdb on /media/pendrive: Invalid argument dmesg returns the same errors: [ 553.003240] NILFS warning: Segment magic number invalid [ 553.003248] NILFS: error searching super root. On Fri, Jan 16, 2009 at 8:55 AM, Ryusuke Konishi <[email protected]> wrote: > On Thu, 15 Jan 2009 19:10:19 +0100, "Milos Jana" wrote: > > Nilfs-utils compiled properly with patch after following instructions > from > > your previous post. Here is what came out: > > > > u...@laptop:~$ sudo fsck0.nilfs2 /dev/sdb > > Super-block: > > revision = 2.0, checksum = OK > > blocksize = 4096 > > write time = 2008-12-28 09:48:42 > > indicated partial segment: blocknr = 4263936 > > segnum = 2082, seq = 11746, cno=6661 > > > > Clean FS. > > > > u...@laptop:~$ sudo mount /media/pendrive/ > > mount.nilfs2: Error while mounting /dev/sdb on /media/pendrive: Invalid > > argument > > Hmm, that's weird. > > The partition was cleanly unmounted, but the final segment seems not > to be written to the disk. > > Maybe, we need 'force' option to treat such situation. > > In the meatime, could you try the following (additional) patch? > > Regards, > Ryusuke > -- > > diff --git a/sbin/mkfs/fsck0.nilfs2.c b/sbin/mkfs/fsck0.nilfs2.c > index d3d335f..0d51e54 100644 > --- a/sbin/mkfs/fsck0.nilfs2.c > +++ b/sbin/mkfs/fsck0.nilfs2.c > @@ -905,10 +905,12 @@ static void nilfs_fsck(const char *device) > print_pseg_message(&pseg_ref, " indicated partial segment"); > fputc('\n', stderr); > > +#if 0 > if (le16_to_cpu(sb.s_state) & NILFS_VALID_FS) { > fprintf(stderr, "Clean FS.\n"); > goto out_clean; > } > +#endif > > if (nilfs_do_recovery(devfd, &pseg_ref) == 0) > goto out; >
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