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From: Eric Blake <ebb9@byu.net>
Subject:  Re: MVFS results
Date: Fri, 17 Jul 2009 01:17:51 +0000 (UTC)
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References:  <loom.20090715T192219-408@post.gmane.org> <20090715204831.GA27613@calimero.vinschen.de> <loom.20090715T213245-387@post.gmane.org> <20090716090703.GH27613@calimero.vinschen.de> <loom.20090716T133741-21@post.gmane.org> <20090716151121.GO27613@calimero.vinschen.de> <loom.20090716T154525-611@post.gmane.org> <20090716165112.GS27613@calimero.vinschen.de> <loom.20090716T165527-559@post.gmane.org> <20090716174525.GT27613@calimero.vinschen.de> <loom.20090716T225222-72@post.gmane.org>
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Eric Blake <ebb9 <at> byu.net> writes:

> Does the fact that MVFS is including the trailing NUL in fsname.Length, but 
> ro_u_mvfs is not, relevant to RtlEqualUnicodeString returning false, even 
> though the two Buffers are identical over their MaximumLength?
> 

Sure enough, your patch plus this one-liner is enough to make symlinks work on
MVFS once again!

diff --git i/winsup/cygwin/globals.cc w/winsup/cygwin/globals.cc
index ef17534..1cd6b19 100644
--- i/winsup/cygwin/globals.cc
+++ w/winsup/cygwin/globals.cc
@@ -89,7 +89,7 @@ UNICODE_STRING _RDATA ro_u_uncp = _ROU (L"\\??\\UNC\\");
 UNICODE_STRING _RDATA ro_u_mtx = _ROU (L"mtx");
 UNICODE_STRING _RDATA ro_u_csc = _ROU (L"CSC-CACHE");
 UNICODE_STRING _RDATA ro_u_fat = _ROU (L"FAT");
-UNICODE_STRING _RDATA ro_u_mvfs = _ROU (L"MVFS");
+UNICODE_STRING _RDATA ro_u_mvfs = _ROU (L"MVFS\0");
 UNICODE_STRING _RDATA ro_u_nfs = _ROU (L"NFS");
 UNICODE_STRING _RDATA ro_u_ntfs = _ROU (L"NTFS");
 UNICODE_STRING _RDATA ro_u_sunwnfs = _ROU (L"SUNWNFS");


-- 
Eric Blake



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