[PATCH 02/12] statx: Provide IOC flags for Windows fs attributes

David Howells dhowells at redhat.com
Thu Nov 26 15:35:29 UTC 2015

Theodore Ts'o <tytso at mit.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.


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