From: Evgeniy Ivanov <lolkaantimat@gmail.com>
Date: Thu, 11 Aug 2011 18:48:26 +0000 (+0400)
Subject: Fix ext2 dentry allocation glitch.
X-Git-Tag: v3.2.0~365
X-Git-Url: http://zhaoyanbai.com/repos/%22https:/www.google.com/jsapi/static/verify-sign/verify.pl?a=commitdiff_plain;h=13ded5339f327be839b6be8cc3c5c91b32025add;p=minix.git

Fix ext2 dentry allocation glitch.

When remove dentry, check if cached position is greater than removed
one.
---

diff --git a/servers/ext2/path.c b/servers/ext2/path.c
index a0b6e688d..e87bf8736 100644
--- a/servers/ext2/path.c
+++ b/servers/ext2/path.c
@@ -608,9 +608,11 @@ int ftype;			 /* used when ENTER and
 				if (!HAS_COMPAT_FEATURE(ldir_ptr->i_sp,
 							COMPAT_DIR_INDEX))
 					ldir_ptr->i_flags &= ~EXT2_INDEX_FL;
-				ldir_ptr->i_last_dpos = pos;
-				ldir_ptr->i_last_dentry_size = conv2(le_CPU,
-								dp->d_rec_len);
+				if (pos < ldir_ptr->i_last_dpos) {
+					ldir_ptr->i_last_dpos = pos;
+					ldir_ptr->i_last_dentry_size =
+						conv2(le_CPU, dp->d_rec_len);
+				}
 				ldir_ptr->i_update |= CTIME | MTIME;
 				ldir_ptr->i_dirt = DIRTY;
 				/* Now we have cleared dentry, if it's not