Re: Argument type for FS_IOC_GETFLAGS/FS_IOC_SETFLAGS ioctls

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Theodore Ts'o <tytso@xxxxxxx> writes:

> Or we could design an entirely new ioctl that uses a completely new
> bitmask allocation scheme, or even a plan9 style set of ascii messages
> which are passed back and forth between userspace and the kernel ---
> or even insist that btrfs was wrong, that they shouldn't have been
> allocating flags out of this legacy ioctl, but should have been using
> the existing xattr interface with a new namespace that was either
> btrfs specific or a new vfsflag namspace.

Likely not a primary concern, but keep in mind the handful of groups
attempting to provide cross-platform (and cross-filesystem) save/restore
tools.

(At the moment bup just saves/restores the raw attr integer, which may
 not be the correct approach in the long run -- metadata support is
 still very new, and needs further work.)

Thanks for the help.
-- 
Rob Browning
rlb @defaultvalue.org and @debian.org
GPG as of 2011-07-10 E6A9 DA3C C9FD 1FF8 C676 D2C4 C0F0 39E9 ED1B 597A
GPG as of 2002-11-03 14DD 432F AE39 534D B592 F9A0 25C8 D377 8C7E 73A4
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