get rid of pointless includes of fs_struct.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

arch/arc/kernel/troubleshoot.c

@@ -10,7 +10,6 @@
 #include <linux/mm.h>
 #include <linux/fs.h>
 #include <linux/kdev_t.h>
-#include <linux/fs_struct.h>
 #include <linux/proc_fs.h>
 #include <linux/file.h>
 #include <linux/sched/mm.h>

drivers/staging/lustre/lnet/libcfs/linux/linux-curproc.c

@@ -38,7 +38,6 @@
  */
 
 #include <linux/sched.h>
-#include <linux/fs_struct.h>
 
 #include <linux/compat.h>
 #include <linux/thread_info.h>

drivers/staging/lustre/lnet/libcfs/linux/linux-prim.c

@@ -34,7 +34,6 @@
 #define DEBUG_SUBSYSTEM S_LNET
 #include <linux/module.h>
 #include <linux/kernel.h>
-#include <linux/fs_struct.h>
 #include <linux/sched/signal.h>
 
 #include <linux/libcfs/libcfs.h>

fs/ceph/dir.c

@@ -2,7 +2,6 @@
 #include <linux/ceph/ceph_debug.h>
 
 #include <linux/spinlock.h>
-#include <linux/fs_struct.h>
 #include <linux/namei.h>
 #include <linux/slab.h>
 #include <linux/sched.h>

fs/nfs/nfs4xdr.c

@@ -52,7 +52,6 @@
 #include <linux/nfs.h>
 #include <linux/nfs4.h>
 #include <linux/nfs_fs.h>
-#include <linux/fs_struct.h>
 
 #include "nfs4_fs.h"
 #include "internal.h"

fs/orangefs/acl.c

@@ -9,7 +9,6 @@
 #include "orangefs-kernel.h"
 #include "orangefs-bufmap.h"
 #include <linux/posix_acl_xattr.h>
-#include <linux/fs_struct.h>
 
 struct posix_acl *orangefs_get_acl(struct inode *inode, int type)
 {

kernel/exec_domain.c

@@ -19,7 +19,6 @@
 #include <linux/syscalls.h>
 #include <linux/sysctl.h>
 #include <linux/types.h>
-#include <linux/fs_struct.h>
 
 #ifdef CONFIG_PROC_FS
 static int execdomains_proc_show(struct seq_file *m, void *v)

security/loadpin/loadpin.c

@@ -19,7 +19,6 @@
 
 #include <linux/module.h>
 #include <linux/fs.h>
-#include <linux/fs_struct.h>
 #include <linux/lsm_hooks.h>
 #include <linux/mount.h>
 #include <linux/path.h>