1 files changed, 0 insertions, 122 deletions
diff --git a/ANDROID_3.4.5/fs/coda/cache.c b/ANDROID_3.4.5/fs/coda/cache.c
deleted file mode 100644
index 69015787..00000000
--- a/ANDROID_3.4.5/fs/coda/cache.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * Cache operations for Coda.
- * For Linux 2.1: (C) 1997 Carnegie Mellon University
- * For Linux 2.3: (C) 2000 Carnegie Mellon University
- *
- * Carnegie Mellon encourages users of this code to contribute improvements
- * to the Coda project http://www.coda.cs.cmu.edu/ <coda@cs.cmu.edu>.
- */
-
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/time.h>
-#include <linux/fs.h>
-#include <linux/stat.h>
-#include <linux/errno.h>
-#include <asm/uaccess.h>
-#include <linux/string.h>
-#include <linux/list.h>
-#include <linux/sched.h>
-#include <linux/spinlock.h>
-
-#include <linux/coda.h>
-#include <linux/coda_psdev.h>
-#include "coda_linux.h"
-#include "coda_cache.h"
-
-static atomic_t permission_epoch = ATOMIC_INIT(0);
-
-/* replace or extend an acl cache hit */
-void coda_cache_enter(struct inode *inode, int mask)
-{
-	struct coda_inode_info *cii = ITOC(inode);
-
-	spin_lock(&cii->c_lock);
-	cii->c_cached_epoch = atomic_read(&permission_epoch);
-	if (cii->c_uid != current_fsuid()) {
-		cii->c_uid = current_fsuid();
-                cii->c_cached_perm = mask;
-        } else
-                cii->c_cached_perm |= mask;
-	spin_unlock(&cii->c_lock);
-}
-
-/* remove cached acl from an inode */
-void coda_cache_clear_inode(struct inode *inode)
-{
-	struct coda_inode_info *cii = ITOC(inode);
-	spin_lock(&cii->c_lock);
-	cii->c_cached_epoch = atomic_read(&permission_epoch) - 1;
-	spin_unlock(&cii->c_lock);
-}
-
-/* remove all acl caches */
-void coda_cache_clear_all(struct super_block *sb)
-{
-	atomic_inc(&permission_epoch);
-}
-
-
-/* check if the mask has been matched against the acl already */
-int coda_cache_check(struct inode *inode, int mask)
-{
-	struct coda_inode_info *cii = ITOC(inode);
-	int hit;
-	
-	spin_lock(&cii->c_lock);
-	hit = (mask & cii->c_cached_perm) == mask &&
-	    cii->c_uid == current_fsuid() &&
-	    cii->c_cached_epoch == atomic_read(&permission_epoch);
-	spin_unlock(&cii->c_lock);
-
-	return hit;
-}
-
-
-/* Purging dentries and children */
-/* The following routines drop dentries which are not
-   in use and flag dentries which are in use to be 
-   zapped later.
-
-   The flags are detected by:
-   - coda_dentry_revalidate (for lookups) if the flag is C_PURGE
-   - coda_dentry_delete: to remove dentry from the cache when d_count
-     falls to zero
-   - an inode method coda_revalidate (for attributes) if the 
-     flag is C_VATTR
-*/
-
-/* this won't do any harm: just flag all children */
-static void coda_flag_children(struct dentry *parent, int flag)
-{
-	struct list_head *child;
-	struct dentry *de;
-
-	spin_lock(&parent->d_lock);
-	list_for_each(child, &parent->d_subdirs)
-	{
-		de = list_entry(child, struct dentry, d_u.d_child);
-		/* don't know what to do with negative dentries */
-		if ( ! de->d_inode ) 
-			continue;
-		coda_flag_inode(de->d_inode, flag);
-	}
-	spin_unlock(&parent->d_lock);
-	return; 
-}
-
-void coda_flag_inode_children(struct inode *inode, int flag)
-{
-	struct dentry *alias_de;
-
-	if ( !inode || !S_ISDIR(inode->i_mode)) 
-		return; 
-
-	alias_de = d_find_alias(inode);
-	if (!alias_de)
-		return;
-	coda_flag_children(alias_de, flag);
-	shrink_dcache_parent(alias_de);
-	dput(alias_de);
-}
-