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/smbfs/dir.c  | 13 +++++--------
 fs/smbfs/file.c | 23 ++---------------------
 fs/smbfs/proc.c | 45 ---------------------------------------------
 3 files changed, 7 insertions(+), 74 deletions(-)

(limited to 'fs/smbfs')

diff --git a/fs/smbfs/dir.c b/fs/smbfs/dir.c
index a29e55c7a..b5715b220 100644
--- a/fs/smbfs/dir.c
+++ b/fs/smbfs/dir.c
@@ -168,7 +168,7 @@ file->f_dentry->d_name.name);
 static int smb_lookup_validate(struct dentry *, int);
 static int smb_hash_dentry(struct dentry *, struct qstr *);
 static int smb_compare_dentry(struct dentry *, struct qstr *, struct qstr *);
-static void smb_delete_dentry(struct dentry *);
+static int smb_delete_dentry(struct dentry *);
 
 static struct dentry_operations smbfs_dentry_operations =
 {
@@ -259,9 +259,9 @@ out:
 
 /*
  * This is the callback from dput() when d_count is going to 0.
- * We use this to unhash dentries with bad inodes and close files.
+ * We use this to unhash dentries with bad inodes.
  */
-static void
+static int
 smb_delete_dentry(struct dentry * dentry)
 {
 	if (dentry->d_inode)
@@ -272,13 +272,13 @@ smb_delete_dentry(struct dentry * dentry)
 printk("smb_delete_dentry: bad inode, unhashing %s/%s\n", 
 dentry->d_parent->d_name.name, dentry->d_name.name);
 #endif
-			d_drop(dentry);
+			return 1;
 		}
-		smb_close_dentry(dentry);
 	} else
 	{
 	/* N.B. Unhash negative dentries? */
 	}
+	return 0;
 }
 
 /*
@@ -466,10 +466,7 @@ smb_unlink(struct inode *dir, struct dentry *dentry)
 	smb_invalid_dir_cache(dir);
 	error = smb_proc_unlink(dentry);
 	if (!error)
-	{
 		smb_renew_times(dentry);
-		d_delete(dentry);
-	}
 	return error;
 }
 
diff --git a/fs/smbfs/file.c b/fs/smbfs/file.c
index 61f50bdff..b47e236b0 100644
--- a/fs/smbfs/file.c
+++ b/fs/smbfs/file.c
@@ -26,12 +26,6 @@
 /* #define SMBFS_DEBUG_VERBOSE 1 */
 /* #define pr_debug printk */
 
-static inline int
-min(int a, int b)
-{
-	return a < b ? a : b;
-}
-
 static int
 smb_fsync(struct file *file, struct dentry * dentry)
 {
@@ -340,28 +334,15 @@ out:
 static int
 smb_file_open(struct inode *inode, struct file * file)
 {
-#ifdef SMBFS_DEBUG_VERBOSE
-printk("smb_file_open: opening %s/%s, d_count=%d\n",
-file->f_dentry->d_parent->d_name.name, file->f_dentry->d_name.name,
-file->f_dentry->d_count);
-#endif
+	inode->u.smbfs_i.openers++;
 	return 0;
 }
 
 static int
 smb_file_release(struct inode *inode, struct file * file)
 {
-	struct dentry * dentry = file->f_dentry;
-
-#ifdef SMBFS_DEBUG_VERBOSE
-printk("smb_file_release: closing %s/%s, d_count=%d\n",
-dentry->d_parent->d_name.name, dentry->d_name.name, dentry->d_count);
-#endif
-	
-	if (dentry->d_count == 1)
-	{
+	if (!--inode->u.smbfs_i.openers)
 		smb_close(inode);
-	}
 	return 0;
 }
 
diff --git a/fs/smbfs/proc.c b/fs/smbfs/proc.c
index 06cd5dda9..669deb0d7 100644
--- a/fs/smbfs/proc.c
+++ b/fs/smbfs/proc.c
@@ -818,11 +818,6 @@ smb_open(struct dentry *dentry, int wish)
 		goto out;
 	}
 
-	/*
-	 * Note: If the caller holds an active dentry and the file is
-	 * currently open, we can be sure that the file isn't about
-	 * to be closed. (See smb_close_dentry() below.)
-	 */
 	if (!smb_is_open(inode))
 	{
 		struct smb_sb_info *server = SMB_SERVER(inode);
@@ -943,46 +938,6 @@ smb_close(struct inode *ino)
 	return result;
 }
 
-/*
- * This routine is called from dput() when d_count is going to 0.
- * We use this to close the file so that cached dentries don't
- * keep too many files open.
- *
- * There are some tricky race conditions here: the dentry may go
- * back into use while we're closing the file, and we don't want
- * the new user to be confused as to the open status.
- */
-void
-smb_close_dentry(struct dentry * dentry)
-{
-	struct inode *ino = dentry->d_inode;
-
-	if (ino)
-	{
-		if (smb_is_open(ino))
-		{
-			struct smb_sb_info *server = SMB_SERVER(ino);
-			smb_lock_server(server);
-			/*
-			 * Check whether the dentry is back in use.
-			 */
-			if (dentry->d_count <= 1)
-			{
-#ifdef SMBFS_DEBUG_VERBOSE
-printk("smb_close_dentry: closing %s/%s, count=%d\n",
-       DENTRY_PATH(dentry), dentry->d_count);
-#endif
-				smb_proc_close_inode(server, ino);
-			}
-			smb_unlock_server(server);
-		}
-#ifdef SMBFS_DEBUG_VERBOSE
-printk("smb_close_dentry: closed %s/%s, count=%d\n",
-       DENTRY_PATH(dentry), dentry->d_count);
-#endif
-	}
-}
-
 /*
  * This is used to close a file following a failed instantiate.
  * Since we don't have an inode, we can't use any of the above.
-- 
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