From 53b3988d474435254a3b053a68bb24ce9e439295 Mon Sep 17 00:00:00 2001
From: Ralf Baechle <ralf@linux-mips.org>
Date: Thu, 15 Jun 2000 01:55:58 +0000
Subject: Merge with 2.3.99-pre9.

---
 fs/coda/cache.c | 44 ++++++++------------------------------------
 fs/coda/dir.c   | 10 +++++-----
 fs/coda/psdev.c |  2 ++
 3 files changed, 15 insertions(+), 41 deletions(-)

(limited to 'fs/coda')

diff --git a/fs/coda/cache.c b/fs/coda/cache.c
index fa8a66e0c..68be7a69d 100644
--- a/fs/coda/cache.c
+++ b/fs/coda/cache.c
@@ -259,8 +259,6 @@ int coda_cache_check(struct inode *inode, int mask)
 
 void coda_purge_dentries(struct inode *inode)
 {
-	struct list_head *tmp, *head = &inode->i_dentry;
-
 	if (!inode)
 		return ;
 
@@ -268,23 +266,7 @@ void coda_purge_dentries(struct inode *inode)
 	iget(inode->i_sb, inode->i_ino);
 	/* catch the dentries later if some are still busy */
 	coda_flag_inode(inode, C_PURGE);
-
-restart:
-	tmp = head;
-	while ((tmp = tmp->next) != head) {
-		struct dentry *dentry = list_entry(tmp, struct dentry, d_alias);
-		if (!dentry->d_count) {
-			CDEBUG(D_DOWNCALL, 
-			       "coda_free_dentries: freeing %s/%s, i_count=%d\n",
-			       dentry->d_parent->d_name.name, dentry->d_name.name, 
-			       inode->i_count);
-			dget(dentry);
-			d_drop(dentry);
-			dput(dentry);
-			goto restart;
-		}
-			
-	}
+	d_prune_aliases(inode);
 	iput(inode);
 }
 
@@ -311,28 +293,18 @@ static void coda_flag_children(struct dentry *parent, int flag)
 
 void coda_flag_inode_children(struct inode *inode, int flag)
 {
-	struct list_head *alias;
 	struct dentry *alias_de;
 
 	ENTRY;
-	if ( !inode ) 
+	if ( !inode || !S_ISDIR(inode->i_mode)) 
 		return; 
 
-	if (list_empty(&inode->i_dentry))
-	        return; 
-
-	/* I believe that shrink_dcache_parent will not
-	   remove dentries from the alias list. If it 
-	   does we are toast. 
-	*/
-	alias = inode->i_dentry.next; 
-	while ( alias != &inode->i_dentry ) {
-		alias_de = list_entry(alias, struct dentry, d_alias);
-		coda_flag_children(alias_de, flag);
-		alias = alias->next;
-		shrink_dcache_parent(alias_de);
-	}
-
+	alias_de = d_find_alias(inode);
+	if (!alias_de)
+		return;
+	coda_flag_children(alias_de, flag);
+	shrink_dcache_parent(alias_de);
+	dput(alias_de);
 }
 
 /* this will not zap the inode away */
diff --git a/fs/coda/dir.c b/fs/coda/dir.c
index bb51b0c05..83f7bbcc5 100644
--- a/fs/coda/dir.c
+++ b/fs/coda/dir.c
@@ -45,7 +45,7 @@ static int coda_readdir(struct file *file, void *dirent, filldir_t filldir);
 
 /* dentry ops */
 static int coda_dentry_revalidate(struct dentry *de, int);
-static void coda_dentry_delete(struct dentry *);
+static int coda_dentry_delete(struct dentry *);
 
 /* support routines */
 static int coda_venus_readdir(struct file *filp, void *dirent, 
@@ -434,7 +434,6 @@ int coda_unlink(struct inode *dir, struct dentry *de)
         /* cache management: mtime has changed, ask Venus */
 	dircnp->c_flags |= C_VATTR;
 	de->d_inode->i_nlink--;
-	d_delete(de);
 
         return 0;
 }
@@ -801,20 +800,21 @@ static int coda_dentry_revalidate(struct dentry *de, int flags)
  * This is the callback from dput() when d_count is going to 0.
  * We use this to unhash dentries with bad inodes.
  */
-static void coda_dentry_delete(struct dentry * dentry)
+static int coda_dentry_delete(struct dentry * dentry)
 {
 	int flags;
 
 	if (!dentry->d_inode) 
-		return ;
+		return 0;
 
 	flags =  (ITOC(dentry->d_inode)->c_flags) & C_PURGE;
 	if (is_bad_inode(dentry->d_inode) || flags) {
 		CDEBUG(D_DOWNCALL, "bad inode, unhashing %s/%s, %ld\n", 
 		       dentry->d_parent->d_name.name, dentry->d_name.name,
 		       dentry->d_inode->i_ino);
-		d_drop(dentry);
+		return 1;
 	}
+	return 0;
 }
 
 
diff --git a/fs/coda/psdev.c b/fs/coda/psdev.c
index 1a7fb195c..b88c602c6 100644
--- a/fs/coda/psdev.c
+++ b/fs/coda/psdev.c
@@ -296,6 +296,8 @@ static int coda_psdev_release(struct inode * inode, struct file * file)
 	       vcp->vc_inuse, vcp->vc_pid, current->pid);
 
 	if ( vcp->vc_pid != current->pid ) {
+		/* FIXME: this is broken. If venus does fork(), accounting goes wrong */
+		printk( "Closed by someone else than caller?\n" );
 		return 0;
 	}
         
-- 
cgit v1.2.3