On Tue, 22.07.14 06:29, Andrey Borzenkov (arvidj...@gmail.com) wrote:
> В Mon, 21 Jul 2014 18:15:37 +0300
> Timofey Titovets <nefelim...@gmail.com> пишет:
>
> > Zbyszek, i research problem and i found what in btrfs.h
> > struct btrfs_ioctl_defrag_range_args not defined
> > This acceptable if i add it in missing.h like:
> > /* btrfs_ioctl_defrag_range_args now 21.07.2014
> > * not defined in btrfs.h and duplicated from <kernel>/fs/btrfs/ctree.h
> > */
> > #ifdef HAVE_LINUX_BTRFS_H
> > struct btrfs_ioctl_defrag_range_args {
> > uint64_t start; /* start byte = 0 */
> > uint64_t len; /* whole file uint64_t-1 */
> > uint64_t flags; /* start_io 2 */
> > uint32_t extent_thresh; /* 0 */
> > uint32_t compress_type;
> > uint32_t unused[4];
> > };
> > #endif
> >
>
> I think it should really be discussed on btrfs list. It must be
> properly exported to user space if user space is going to use it.
Well, the ioctls of btrfs seldom come with proper userpace headers
unfortunately...
Lennart
--
Lennart Poettering, Red Hat
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