coda: allow removal of busy directories

A directory without children may still be busy when it is the cwd for some process. We can safely remove such a directory because the VFS prevents further operations. Also we don't need to call d_delete as it is already called in vfs_rmdir. Signed-off-by: Jan Harkes <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
chewitt · Jul 19, 2007 · 8c6d215 · 8c6d215
1 parent d728900
commit 8c6d215
Showing 1 changed file with 9 additions and 14 deletions.
diff --git a/fs/coda/dir.c b/fs/coda/dir.c
@@ -391,28 +391,23 @@ int coda_rmdir(struct inode *dir, struct dentry *de)
 {
 	const char *name = de->d_name.name;
 	int len = de->d_name.len;
-        int error;
+	int error;
 
 	lock_kernel();
 	coda_vfs_stat.rmdir++;
 
-	if (!d_unhashed(de)) {
-		unlock_kernel();
-		return -EBUSY;
-	}
 	error = venus_rmdir(dir->i_sb, coda_i2f(dir), name, len);
+	if (!error) {
+		/* VFS may delete the child */
+		if (de->d_inode)
+		    de->d_inode->i_nlink = 0;
 
-	if ( error ) {
-		unlock_kernel();
-		return error;
+		/* fix the link count of the parent */
+		coda_dir_drop_nlink(dir);
+		coda_dir_update_mtime(dir);
 	}
-
-	coda_dir_drop_nlink(dir);
-	coda_dir_update_mtime(dir);
-	drop_nlink(de->d_inode);
-	d_delete(de);
 	unlock_kernel();
-	return 0;
+	return error;
 }
 
 /* rename */