Move kern_extattr_* prototypes to <sys/syscallsubr.h>

All of the kern_* prototypes belong in this header.  While here, sort
the prototypes by function name.

Reviewed by:	dchagin
Fixes:		6453d4240f6b vfs: Export exattr methods to reuse by Linuxulator
Sponsored by:	DARPA
Differential Revision:	https://reviews.freebsd.org/D41766

3 files changed, 21 insertions, 22 deletions

diff --git a/sys/kern/vfs_extattr.c b/sys/kern/vfs_extattr.c
index e178589067c1..dc1bbb58644b 100644
--- a/sys/kern/vfs_extattr.c
+++ b/sys/kern/vfs_extattr.c
@@ -43,6 +43,7 @@
 #include <sys/vnode.h>
 #include <sys/proc.h>
 #include <sys/extattr.h>
+#include <sys/syscallsubr.h>
 
 #include <security/audit/audit.h>
 #include <security/mac/mac_framework.h>
diff --git a/sys/sys/extattr.h b/sys/sys/extattr.h
index a6689c869c0c..a16ef238656f 100644
--- a/sys/sys/extattr.h
+++ b/sys/sys/extattr.h
@@ -62,33 +62,11 @@
 #ifdef _KERNEL
 #include <sys/types.h>
 
-enum uio_seg;
-struct uio;
 struct thread;
 struct ucred;
 struct vnode;
 int	extattr_check_cred(struct vnode *vp, int attrnamespace,
 	    struct ucred *cred, struct thread *td, accmode_t accmode);
-int	kern_extattr_set_path(struct thread *td, const char *path,
-	    int attrnamespace, const char *attrname, void *data,
-	    size_t nbytes, int follow, enum uio_seg pathseg);
-int	kern_extattr_set_fd(struct thread *td, int fd, int attrnamespace,
-	    const char *attrname, void *data, size_t nbytes);
-int	kern_extattr_get_path(struct thread *td, const char *path,
-	    int attrnamespace, const char *attrname, void *data,
-	    size_t nbytes, int follow, enum uio_seg pathseg);
-int	kern_extattr_get_fd(struct thread *td, int fd, int attrnamespace,
-	    const char *attrname, void *data, size_t nbytes);
-int	kern_extattr_delete_path(struct thread *td, const char *path,
-	    int attrnamespace, const char *attrname, int follow,
-	    enum uio_seg pathseg);
-int	kern_extattr_delete_fd(struct thread *td, int fd, int attrnamespace,
-	    const char *attrname);
-int	kern_extattr_list_path(struct thread *td, const char *path,
-	    int attrnamespace, struct uio *auiop, int follow,
-	    enum uio_seg pathseg);
-int	kern_extattr_list_fd(struct thread *td, int fd, int attrnamespace,
-	    struct uio *auiop);
 
 #else
 #include <sys/cdefs.h>
diff --git a/sys/sys/syscallsubr.h b/sys/sys/syscallsubr.h
index 8be860dc0fd4..0480eda2fca4 100644
--- a/sys/sys/syscallsubr.h
+++ b/sys/sys/syscallsubr.h
@@ -139,6 +139,26 @@ int	kern_cpuset_setid(struct thread *td, cpuwhich_t which,
 int	kern_dup(struct thread *td, u_int mode, int flags, int old, int new);
 int	kern_execve(struct thread *td, struct image_args *args,
 	    struct mac *mac_p, struct vmspace *oldvmspace);
+int	kern_extattr_delete_fd(struct thread *td, int fd, int attrnamespace,
+	    const char *attrname);
+int	kern_extattr_delete_path(struct thread *td, const char *path,
+	    int attrnamespace, const char *attrname, int follow,
+	    enum uio_seg pathseg);
+int	kern_extattr_get_fd(struct thread *td, int fd, int attrnamespace,
+	    const char *attrname, void *data, size_t nbytes);
+int	kern_extattr_get_path(struct thread *td, const char *path,
+	    int attrnamespace, const char *attrname, void *data,
+	    size_t nbytes, int follow, enum uio_seg pathseg);
+int	kern_extattr_list_fd(struct thread *td, int fd, int attrnamespace,
+	    struct uio *auiop);
+int	kern_extattr_list_path(struct thread *td, const char *path,
+	    int attrnamespace, struct uio *auiop, int follow,
+	    enum uio_seg pathseg);
+int	kern_extattr_set_fd(struct thread *td, int fd, int attrnamespace,
+	    const char *attrname, void *data, size_t nbytes);
+int	kern_extattr_set_path(struct thread *td, const char *path,
+	    int attrnamespace, const char *attrname, void *data,
+	    size_t nbytes, int follow, enum uio_seg pathseg);
 int	kern_fchmodat(struct thread *td, int fd, const char *path,
 	    enum uio_seg pathseg, mode_t mode, int flag);
 int	kern_fchownat(struct thread *td, int fd, const char *path,