[xfs-masters] [PATCH] Fix xfs build when CONFIG_XFS_POSIX_ACL=n

[Randy Dunlap]

Luck, Tony wrote:
> When CONFIG_XFS_POSIX_ACL is not set "xfs_check_acl" is #defined
> to NULL - which breaks the code attempting to add a tracepoint
> on this function.
> 
> Only define the tracepoint when the function exists.
> 
> Signed-off-by: Tony Luck <tony.luck at intel.com>

Acked-by: Randy Dunlap <randy.dunlap at oracle.com>

Thanks, Tony.

> ---
> 
> Broken in linux-next for a few days by the "xfs: split xfs_itrace_entry"
> commit. This patch should go after it (or better, should be merged into
> it before this goes upstream).
> 
> diff --git a/fs/xfs/linux-2.6/xfs_trace.h b/fs/xfs/linux-2.6/xfs_trace.h
> index 76de133..bb4803c 100644
> --- a/fs/xfs/linux-2.6/xfs_trace.h
> +++ b/fs/xfs/linux-2.6/xfs_trace.h
> @@ -568,7 +568,9 @@ DEFINE_INODE_EVENT(xfs_readlink);
>  DEFINE_INODE_EVENT(xfs_alloc_file_space);
>  DEFINE_INODE_EVENT(xfs_free_file_space);
>  DEFINE_INODE_EVENT(xfs_readdir);
> +#ifdef CONFIG_XFS_POSIX_ACL
>  DEFINE_INODE_EVENT(xfs_check_acl);
> +#endif
>  DEFINE_INODE_EVENT(xfs_vm_bmap);
>  DEFINE_INODE_EVENT(xfs_file_ioctl);
>  DEFINE_INODE_EVENT(xfs_file_compat_ioctl);
> --