linux-ext4 - Re: [PATCH 02/12] statx: Provide IOC flags for Windows fs attributes

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <7976.1448552129@warthog.procyon.org.uk>
Date:	Thu, 26 Nov 2015 15:35:29 +0000
From:	David Howells <dhowells@...hat.com>
To:	"Theodore Ts'o" <tytso@....edu>
Cc:	dhowells@...hat.com, arnd@...db.de, linux-afs@...r.kernel.org,
	linux-nfs@...r.kernel.org, linux-cifs@...r.kernel.org,
	samba-technical@...ts.samba.org, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org
Subject: Re: [PATCH 02/12] statx: Provide IOC flags for Windows fs attributes

Theodore Ts'o <tytso@....edu> wrote:

> As a result, I would suggest that we not try to use the
> FS_IOC_[GS]ETFLAGS number scheme for any new interface, so we're at
> least not making a bad situation worse.
> 
> The only reason why some other file systems have chosen to use
> FS_IOC_[GS]ETFLAGS, instead of defining their own ioctl, is so they
> can use lsattr/chattr from e2fsprogs instead of creating their own
> utility.  But for statx, there isn't a good reason use the same flags
> number space.  At the very least, can we use a new flags field for the
> Windows file attributes?  It's not like lsattr/chattr has the ability
> to set those flags today anyway.  So we might as well use a new flags
> field and a new flags numberspace for them.

Hmmm...  I was trying to make it so that these bits would be saved to disk as
part of the IOC flags so that Samba could make use of them.  I guess they'll
have to be stored in an xattr instead.

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