[PATCH v4 07/14] vfs_btrfs: add [GET/SET]_COMPRESSION handlers

[Jeremy Allison]

On Mon, Nov 18, 2013 at 02:54:32PM +0100, David Disseldorp wrote:
> Translate such requests into FS_IOC_GETFLAGS and FS_IOC_SETFLAGS ioctls
> respectively. The module makes no distinction between compression types,
> only whether or not compression is enabled.
> 
> Signed-off-by: David Disseldorp <ddiss at samba.org>
> ---
>  source3/modules/vfs_btrfs.c | 119 +++++++++++++++++++++++++++++++++++++++++++-
>  source3/wscript             |   2 +-
>  2 files changed, 118 insertions(+), 3 deletions(-)
> 
> diff --git a/source3/modules/vfs_btrfs.c b/source3/modules/vfs_btrfs.c
> index f854f2a..36d6120 100644
> --- a/source3/modules/vfs_btrfs.c
> +++ b/source3/modules/vfs_btrfs.c
> @@ -18,11 +18,16 @@
>   */
>  
>  #include <linux/ioctl.h>
> +#include <linux/fs.h>

Yeah - this is the problem. Pulling in
<linux/fs.h> defines WRITE_FLUSH, and
we already have that in our tree.

I'll prepare a patch the preceeds
this patchset that renames WRITE_FLUSH
and friends in the enum to something
with a Samba-specific prefix.

Jeremy.