pstore: convert to new timestamp accessors

Convert to using the new inode timestamp accessor functions.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://lore.kernel.org/r/20231004185347.80880-60-jlayton@kernel.orgAcked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>

fs/pstore/inode.c

@@ -223,7 +223,7 @@ static struct inode *pstore_get_inode(struct super_block *sb)
 	struct inode *inode = new_inode(sb);
 	if (inode) {
 		inode->i_ino = get_next_ino();
-		inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode);
+		simple_inode_init_ts(inode);
 	}
 	return inode;
 }
@@ -390,7 +390,8 @@ int pstore_mkfile(struct dentry *root, struct pstore_record *record)
 	inode->i_private = private;
 
 	if (record->time.tv_sec)
-		inode->i_mtime = inode_set_ctime_to_ts(inode, record->time);
+		inode_set_mtime_to_ts(inode,
+				      inode_set_ctime_to_ts(inode, record->time));
 
 	d_add(dentry, inode);