From 71305738698c280bdb7c7754307f20d7425e0d5a Mon Sep 17 00:00:00 2001
From: Azat Khuzhin <a3at.mail@gmail.com>
Date: Sun, 29 Sep 2013 20:22:03 +0400
Subject: [PATCH] read: drop static "done" variable, we already have file_size
 in inode.

---
 simple.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/simple.c b/simple.c
index de3c6f8..f770836 100644
--- a/simple.c
+++ b/simple.c
@@ -253,10 +253,6 @@ struct simplefs_inode *simplefs_get_inode(struct super_block *sb,
 ssize_t simplefs_read(struct file * filp, char __user * buf, size_t len,
 		      loff_t * ppos)
 {
-	/* Hack to make sure that we answer the read call only once and not loop infinitely.
-	 * We need to implement support for filesize in inode to remove this hack */
-	static int done = 0;
-
 	/* After the commit dd37978c5 in the upstream linux kernel,
 	 * we can use just filp->f_inode instead of the
 	 * f->f_path.dentry->d_inode redirection */
@@ -267,11 +263,6 @@ ssize_t simplefs_read(struct file * filp, char __user * buf, size_t len,
 	char *buffer;
 	int nbytes;
 
-	if (done) {
-		done = 0;
-		return 0;
-	}
-
 	if (*ppos >= inode->file_size) {
 		/* Read request with offset beyond the filesize */
 		return 0;
@@ -300,7 +291,6 @@ ssize_t simplefs_read(struct file * filp, char __user * buf, size_t len,
 
 	*ppos += nbytes;
 
-	done = 1;
 	return nbytes;
 }