fuse: convert last timespec use to timespec64

All of fuse uses 64-bit timestamps with the exception of the
fuse_change_attributes(), so let's convert this one as well.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 2dbd487..db9e60b 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -208,7 +208,7 @@
 	struct fuse_inode *fi = get_fuse_inode(inode);
 	bool is_wb = fc->writeback_cache;
 	loff_t oldsize;
-	struct timespec old_mtime;
+	struct timespec64 old_mtime;
 
 	spin_lock(&fc->lock);
 	if ((attr_version != 0 && fi->attr_version > attr_version) ||
@@ -217,7 +217,7 @@
 		return;
 	}
 
-	old_mtime = timespec64_to_timespec(inode->i_mtime);
+	old_mtime = inode->i_mtime;
 	fuse_change_attributes_common(inode, attr, attr_valid);
 
 	oldsize = inode->i_size;
@@ -237,7 +237,7 @@
 			truncate_pagecache(inode, attr->size);
 			inval = true;
 		} else if (fc->auto_inval_data) {
-			struct timespec new_mtime = {
+			struct timespec64 new_mtime = {
 				.tv_sec = attr->mtime,
 				.tv_nsec = attr->mtimensec,
 			};
@@ -246,7 +246,7 @@
 			 * Auto inval mode also checks and invalidates if mtime
 			 * has changed.
 			 */
-			if (!timespec_equal(&old_mtime, &new_mtime))
+			if (!timespec64_equal(&old_mtime, &new_mtime))
 				inval = true;
 		}