Re: [patch 0/6][RFC] Cleanup FIBMAP

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sat, 27 Oct 2007 18:57:06 +0100
Anton Altaparmakov <aia21@xxxxxxxxx> wrote:

> Hi,
> 
> ->bmap is ugly and horrible!  If you have to do this at the very
> least please cause ->bmap64 to be able to return error values in case
> the file system failed to get the information or indeed such
> information does not exist as is the case for compressed and
> encrypted files for example and also for small files that are inside
> the on-disk inode (NTFS resident files and reiserfs packed tails are
> examples of this).
> 
> And another of my pet peeves with ->bmap is that it uses 0 to mean  
> "sparse" which causes a conflict on NTFS at least as block zero is  
> part of the $Boot system file so it is a real, valid block...  NTFS  
> uses -1 to denote sparse blocks internally.

Reiserfs and Btrfs also use 0 to mean packed.  It would be nice if there
was a way to indicate your-data-is-here-but-isn't-alone.  But that's
more of a feature for the FIEMAP stuff.

-chris
-
To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [Samba]     [Device Mapper]     [CEPH Development]
  Powered by Linux