From cf5f4d3396f714ce5bd1d7da654e13debaf35544 Mon Sep 17 00:00:00 2001
From: Sapan Bhatia <sapanb@cs.princeton.edu>
Date: Wed, 8 Apr 2009 20:08:35 +0000
Subject: [PATCH] This patch was not used or referenced. Kill it.

---
 linux-2.6-590-GC-dcookies.patch | 139 --------------------------------
 1 file changed, 139 deletions(-)
 delete mode 100644 linux-2.6-590-GC-dcookies.patch

diff --git a/linux-2.6-590-GC-dcookies.patch b/linux-2.6-590-GC-dcookies.patch
deleted file mode 100644
index bf9c6f2eb..000000000
--- a/linux-2.6-590-GC-dcookies.patch
+++ /dev/null
@@ -1,139 +0,0 @@
---- linux-2.6.22.19-chopstix/fs/dcookies.c	2009-02-28 03:10:05.000000000 -0500
-+++ linux-2.6.22.19-chopstix/fs/dcookies.c.orig	2008-02-25 18:59:40.000000000 -0500
-@@ -38,19 +38,14 @@
- static LIST_HEAD(dcookie_users);
- static DEFINE_MUTEX(dcookie_mutex);
- static struct kmem_cache *dcookie_cache __read_mostly;
--static struct list_head *dcookie_hashtable[2] __read_mostly;
-+static struct list_head *dcookie_hashtable __read_mostly;
- static size_t hash_size __read_mostly;
--unsigned int current_hash = 0;
- 
- static inline int is_live(void)
- {
- 	return !(list_empty(&dcookie_users));
- }
- 
--static inline int is_shared(void)
--{
--	return !(list_empty(&dcookie_users)) && !(list_empty(dcookie_users.next));
--}
- 
- /* The dentry is locked, its address will do for the cookie */
- static inline unsigned long dcookie_value(struct dcookie_struct * dcs)
-@@ -72,7 +67,7 @@
- 	struct list_head * pos;
- 	struct list_head * list;
- 
--	list = dcookie_hashtable[current_hash] + dcookie_hash(dcookie);
-+	list = dcookie_hashtable + dcookie_hash(dcookie);
- 
- 	list_for_each(pos, list) {
- 		dcs = list_entry(pos, struct dcookie_struct, hash_list);
-@@ -88,7 +83,7 @@
- 
- static void hash_dcookie(struct dcookie_struct * dcs)
- {
--	struct list_head * list = dcookie_hashtable[current_hash] + dcookie_hash(dcookie_value(dcs));
-+	struct list_head * list = dcookie_hashtable + dcookie_hash(dcookie_value(dcs));
- 	list_add(&dcs->hash_list, list);
- }
- 
-@@ -96,7 +91,7 @@
- static struct dcookie_struct * alloc_dcookie(struct dentry * dentry,
- 	struct vfsmount * vfsmnt)
- {
--	struct dcookie_struct * dcs = kmem_cache_alloc(dcookie_cache, GFP_ATOMIC);
-+	struct dcookie_struct * dcs = kmem_cache_alloc(dcookie_cache, GFP_KERNEL);
- 	if (!dcs)
- 		return NULL;
- 
-@@ -215,12 +210,8 @@
- 	if (!dcookie_cache)
- 		goto out;
- 
--	dcookie_hashtable[0] = kmalloc(PAGE_SIZE, GFP_KERNEL);
--	if (!dcookie_hashtable[0])
--		goto out_kmem;
--    
--    dcookie_hashtable[1] = kmalloc(PAGE_SIZE, GFP_KERNEL);
--	if (!dcookie_hashtable[1])
-+	dcookie_hashtable = kmalloc(PAGE_SIZE, GFP_KERNEL);
-+	if (!dcookie_hashtable)
- 		goto out_kmem;
- 
- 	err = 0;
-@@ -244,15 +235,7 @@
- 	hash_size = 1UL << hash_bits;
- 
- 	/* And initialize the newly allocated array */
--	d = dcookie_hashtable[0];
--	i = hash_size;
--	do {
--		INIT_LIST_HEAD(d);
--		d++;
--		i--;
--	} while (i);
--
--    d = dcookie_hashtable[1];
-+	d = dcookie_hashtable;
- 	i = hash_size;
- 	do {
- 		INIT_LIST_HEAD(d);
-@@ -276,30 +259,6 @@
- 	kmem_cache_free(dcookie_cache, dcs);
- }
- 
--/* Switch to the second hash */
--int garbage_collect(void) {
--    struct list_head * list;
--	struct list_head * pos;
--	struct list_head * pos2;
--	struct dcookie_struct * dcs;
--	size_t i;
--
--    if (is_shared())
--        return -EAGAIN;
--
--	for (i = 0; i < hash_size; ++i) {
--		list = dcookie_hashtable[current_hash] + i;
--		list_for_each_safe(pos, pos2, list) {
--			dcs = list_entry(pos, struct dcookie_struct, hash_list);
--			list_del(&dcs->hash_list);
--			free_dcookie(dcs);
--		}
--	}
--
--    current_hash = (current_hash & 1) ^ 1;
--
--    return 0;
--}
- 
- static void dcookie_exit(void)
- {
-@@ -310,14 +269,7 @@
- 	size_t i;
- 
- 	for (i = 0; i < hash_size; ++i) {
--		list = dcookie_hashtable[0] + i;
--		list_for_each_safe(pos, pos2, list) {
--			dcs = list_entry(pos, struct dcookie_struct, hash_list);
--			list_del(&dcs->hash_list);
--			free_dcookie(dcs);
--		}
--
--        list = dcookie_hashtable[1] + i;
-+		list = dcookie_hashtable + i;
- 		list_for_each_safe(pos, pos2, list) {
- 			dcs = list_entry(pos, struct dcookie_struct, hash_list);
- 			list_del(&dcs->hash_list);
-@@ -325,8 +277,7 @@
- 		}
- 	}
- 
--	kfree(dcookie_hashtable[0]);
--	kfree(dcookie_hashtable[1]);
-+	kfree(dcookie_hashtable);
- 	kmem_cache_destroy(dcookie_cache);
- }
- 
-- 
2.43.0