ceph: increment change_attribute on local changes

We don't set SB_I_VERSION on ceph since we need to manage it ourselves,
so we must increment it whenever we update the file times.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

fs/ceph/addr.c

@@ -10,6 +10,7 @@
 #include <linux/pagevec.h>
 #include <linux/task_io_accounting_ops.h>
 #include <linux/signal.h>
+#include <linux/iversion.h>
 
 #include "super.h"
 #include "mds_client.h"
@@ -1576,6 +1577,7 @@ static vm_fault_t ceph_page_mkwrite(struct vm_fault *vmf)
 
 	/* Update time before taking page lock */
 	file_update_time(vma->vm_file);
+	inode_inc_iversion_raw(inode);
 
 	do {
 		lock_page(page);

fs/ceph/file.c

@@ -10,6 +10,7 @@
 #include <linux/namei.h>
 #include <linux/writeback.h>
 #include <linux/falloc.h>
+#include <linux/iversion.h>
 
 #include "super.h"
 #include "mds_client.h"
@@ -1435,6 +1436,8 @@ static ssize_t ceph_write_iter(struct kiocb *iocb, struct iov_iter *from)
 	if (err)
 		goto out;
 
+	inode_inc_iversion_raw(inode);
+
 	if (ci->i_inline_version != CEPH_INLINE_NONE) {
 		err = ceph_uninline_data(file, NULL);
 		if (err < 0)
@@ -2064,6 +2067,8 @@ static ssize_t ceph_copy_file_range(struct file *src_file, loff_t src_off,
 		do_final_copy = true;
 
 	file_update_time(dst_file);
+	inode_inc_iversion_raw(dst_inode);
+
 	if (endoff > size) {
 		int caps_flags = 0;