Re: [PATCH -V2 4/5] ext4: Use both hi and lo bits of the group desc values.

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

 



On Fri, Nov 21, 2008 at 11:29:49AM -0600, Eric Sandeen wrote:
> Aneesh Kumar K.V wrote:
> > Rename the lower bits with suffix _lo and add helper
> > to access the values. Also rename bg_itable_unused_hi
> > to bg_pad as in e2fsprogs. bg_itable_unused_hi is never
> > used before
> 
> Maybe you can add info about under which circumstances (what sort of
> fielsystem geometry) the hi bits are needed?  And the failure mode when
> we don't use them, if that's known?

Coly actually said it was added for inode reservation. But he agreed to
drop the high bits now and add them later once the performance issue
with the patch is addressed.

-aneesh
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Reiser Filesystem Development]     [Ceph FS]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux FS]     [Yosemite National Park]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Device Mapper]     [Linux Media]

  Powered by Linux