Re: [RFC] add FIEMAP ioctl to efficiently map file allocation

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

 



On May 02, 2007  00:20 +1000, David Chinner wrote:
> My point was that there is a difference between specification and
> implementation - if the specification says something is compulsory,
> then they must be implemented in the filesystem. This is easy
> enough to ensure by code review - we don't need additional interface
> complexity for this....

What you seem to be missing about my proposal is that the FLAG_INCOMPAT
is for future use by that part of the specification we haven't thought
of yet...  Having COMPAT/INCOMPAT flags has been very useful for ext2/3/4,
and is much better than having version numbers for the interface.

Cheers, Andreas
--
Andreas Dilger
Principal Software Engineer
Cluster File Systems, Inc.

-
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