Re: Important for fs devs: rcu-walk merged upstream

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

 



On Fri, Jan 14, 2011 at 7:45 PM, Miklos Szeredi <miklos@xxxxxxxxxx> wrote:
> On Fri, 14 Jan 2011, Nick Piggin wrote:
>> On Fri, Jan 14, 2011 at 3:18 AM, Miklos Szeredi <miklos@xxxxxxxxxx> wrote:

>> Surely you'd need some filtering anyway? I don't think any function
>> involving path lookup could sanely return -ECHILD.
>
> No, but not filtering doesn't normally hurt.  And it's not quite
> trivial deciding what should be allowed and what shoudln't, and the
> filter would have to be updated for each addition of a new errno.  So
> I'm not sure I want to go there.

Well if you allow untrusted filesystems it is possible that
-ECHILD return will do something a bit silly. So it would be
good to filter it I guess.


>> That said, it probably is a good idea to have a new errno.
>
> Yeah, that makes the fitering much easier.

How so? Would -ECHILD ever be sane to return? I'm not
arguing against changing it but I just want to know what
the issue is there.
--
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