diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 801b63b7900fa48c898d7a2ffd0ed3597c065864..a7be591d8e18cd317ffffb3b0b8330481a8ccfca 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -1070,6 +1070,7 @@ const struct file_operations cifs_file_ops = {
 	.flush = cifs_flush,
 	.mmap  = cifs_file_mmap,
 	.splice_read = generic_file_splice_read,
+	.splice_write = iter_file_splice_write,
 	.llseek = cifs_llseek,
 	.unlocked_ioctl	= cifs_ioctl,
 	.copy_file_range = cifs_copy_file_range,
@@ -1088,6 +1089,7 @@ const struct file_operations cifs_file_strict_ops = {
 	.flush = cifs_flush,
 	.mmap = cifs_file_strict_mmap,
 	.splice_read = generic_file_splice_read,
+	.splice_write = iter_file_splice_write,
 	.llseek = cifs_llseek,
 	.unlocked_ioctl	= cifs_ioctl,
 	.copy_file_range = cifs_copy_file_range,
@@ -1107,6 +1109,7 @@ const struct file_operations cifs_file_direct_ops = {
 	.flush = cifs_flush,
 	.mmap = cifs_file_mmap,
 	.splice_read = generic_file_splice_read,
+	.splice_write = iter_file_splice_write,
 	.unlocked_ioctl  = cifs_ioctl,
 	.copy_file_range = cifs_copy_file_range,
 	.clone_file_range = cifs_clone_file_range,
@@ -1124,6 +1127,7 @@ const struct file_operations cifs_file_nobrl_ops = {
 	.flush = cifs_flush,
 	.mmap  = cifs_file_mmap,
 	.splice_read = generic_file_splice_read,
+	.splice_write = iter_file_splice_write,
 	.llseek = cifs_llseek,
 	.unlocked_ioctl	= cifs_ioctl,
 	.copy_file_range = cifs_copy_file_range,
@@ -1141,6 +1145,7 @@ const struct file_operations cifs_file_strict_nobrl_ops = {
 	.flush = cifs_flush,
 	.mmap = cifs_file_strict_mmap,
 	.splice_read = generic_file_splice_read,
+	.splice_write = iter_file_splice_write,
 	.llseek = cifs_llseek,
 	.unlocked_ioctl	= cifs_ioctl,
 	.copy_file_range = cifs_copy_file_range,
@@ -1159,6 +1164,7 @@ const struct file_operations cifs_file_direct_nobrl_ops = {
 	.flush = cifs_flush,
 	.mmap = cifs_file_mmap,
 	.splice_read = generic_file_splice_read,
+	.splice_write = iter_file_splice_write,
 	.unlocked_ioctl  = cifs_ioctl,
 	.copy_file_range = cifs_copy_file_range,
 	.clone_file_range = cifs_clone_file_range,