Commit c80ef9e0 authored by Arnd Bergmann's avatar Arnd Bergmann Committed by Tejun Heo

cgroup: add seq_file forward declaration for struct cftype

Recent header file changes for cgroup caused lots of warnings
about a missing struct seq_file form declaration for every
inclusion of include/linux/cgroup-defs.h.

As some files are built with -Werror, this leads to build
failure like:

                 from /git/arm-soc/drivers/gpu/drm/tilcdc/tilcdc_crtc.c:18:
/git/arm-soc/include/linux/cgroup-defs.h:354:25: error: 'struct seq_file' declared inside parameter list [-Werror]
cc1: all warnings being treated as errors
make[6]: *** [drivers/gpu/drm/tilcdc/tilcdc_crtc.o] Error 1

This patch adds the declaration, which resolves both the
warnings and the drm failure.

tj: Moved it where other type declarations are.
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
Fixes: b4a04ab7 ("cgroup: separate out include/linux/cgroup-defs.h")
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent b5ba75b5
...@@ -26,6 +26,7 @@ struct cgroup_taskset; ...@@ -26,6 +26,7 @@ struct cgroup_taskset;
struct kernfs_node; struct kernfs_node;
struct kernfs_ops; struct kernfs_ops;
struct kernfs_open_file; struct kernfs_open_file;
struct seq_file;
#define MAX_CGROUP_TYPE_NAMELEN 32 #define MAX_CGROUP_TYPE_NAMELEN 32
#define MAX_CGROUP_ROOT_NAMELEN 64 #define MAX_CGROUP_ROOT_NAMELEN 64
......
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