diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index f578ef9bc1f4..cbc0f4bca0c0 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -925,9 +925,7 @@ const struct file_operations cifs_file_ops = {
 	.mmap  = cifs_file_mmap,
 	.splice_read = generic_file_splice_read,
 	.llseek = cifs_llseek,
-#ifdef CONFIG_CIFS_POSIX
 	.unlocked_ioctl	= cifs_ioctl,
-#endif /* CONFIG_CIFS_POSIX */
 	.setlease = cifs_setlease,
 	.fallocate = cifs_fallocate,
 };
@@ -943,9 +941,7 @@ const struct file_operations cifs_file_strict_ops = {
 	.mmap = cifs_file_strict_mmap,
 	.splice_read = generic_file_splice_read,
 	.llseek = cifs_llseek,
-#ifdef CONFIG_CIFS_POSIX
 	.unlocked_ioctl	= cifs_ioctl,
-#endif /* CONFIG_CIFS_POSIX */
 	.setlease = cifs_setlease,
 	.fallocate = cifs_fallocate,
 };
@@ -961,9 +957,7 @@ const struct file_operations cifs_file_direct_ops = {
 	.flush = cifs_flush,
 	.mmap = cifs_file_mmap,
 	.splice_read = generic_file_splice_read,
-#ifdef CONFIG_CIFS_POSIX
 	.unlocked_ioctl  = cifs_ioctl,
-#endif /* CONFIG_CIFS_POSIX */
 	.llseek = cifs_llseek,
 	.setlease = cifs_setlease,
 	.fallocate = cifs_fallocate,
@@ -979,9 +973,7 @@ const struct file_operations cifs_file_nobrl_ops = {
 	.mmap  = cifs_file_mmap,
 	.splice_read = generic_file_splice_read,
 	.llseek = cifs_llseek,
-#ifdef CONFIG_CIFS_POSIX
 	.unlocked_ioctl	= cifs_ioctl,
-#endif /* CONFIG_CIFS_POSIX */
 	.setlease = cifs_setlease,
 	.fallocate = cifs_fallocate,
 };
@@ -996,9 +988,7 @@ const struct file_operations cifs_file_strict_nobrl_ops = {
 	.mmap = cifs_file_strict_mmap,
 	.splice_read = generic_file_splice_read,
 	.llseek = cifs_llseek,
-#ifdef CONFIG_CIFS_POSIX
 	.unlocked_ioctl	= cifs_ioctl,
-#endif /* CONFIG_CIFS_POSIX */
 	.setlease = cifs_setlease,
 	.fallocate = cifs_fallocate,
 };
@@ -1013,9 +1003,7 @@ const struct file_operations cifs_file_direct_nobrl_ops = {
 	.flush = cifs_flush,
 	.mmap = cifs_file_mmap,
 	.splice_read = generic_file_splice_read,
-#ifdef CONFIG_CIFS_POSIX
 	.unlocked_ioctl  = cifs_ioctl,
-#endif /* CONFIG_CIFS_POSIX */
 	.llseek = cifs_llseek,
 	.setlease = cifs_setlease,
 	.fallocate = cifs_fallocate,
diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c
index 28a77bf1d559..35cf990f87d3 100644
--- a/fs/cifs/ioctl.c
+++ b/fs/cifs/ioctl.c
@@ -85,9 +85,14 @@ static long cifs_ioctl_clone(unsigned int xid, struct file *dst_file,
 	src_tcon = tlink_tcon(smb_file_src->tlink);
 	target_tcon = tlink_tcon(smb_file_target->tlink);
 
-	/* check if source and target are on same tree connection */
-	if (src_tcon != target_tcon) {
-		cifs_dbg(VFS, "file copy src and target on different volume\n");
+	/* check source and target on same server (or volume if dup_extents) */
+	if (dup_extents && (src_tcon != target_tcon)) {
+		cifs_dbg(VFS, "source and target of copy not on same share\n");
+		goto out_fput;
+	}
+
+	if (!dup_extents && (src_tcon->ses != target_tcon->ses)) {
+		cifs_dbg(VFS, "source and target of copy not on same server\n");
 		goto out_fput;
 	}