shithub: gefs

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gefs: correctly handle OEXCL locking

--- a/dat.h

+++ b/dat.h

@@ -130,7 +130,6 @@

 extern char Etype[];

 extern char Edscan[];

 extern char Esrch[];

-extern char Efsrch[];

 extern char Eexist[];

 extern char Emode[];

 extern char Efull[];

--- a/error.c

+++ b/error.c

@@ -11,8 +11,7 @@

 char Efid[]	= "fid in use";

 char Etype[]	= "invalid fid type";

 char Edscan[]	= "invalid dir scan offset";

-char Esrch[]	= "key not found";

-char Efsrch[]	= "directory entry not found";

+char Esrch[]	= "directory entry not found";

 char Eexist[]	= "create/wstat -- file exists";

 char Emode[]	= "open/create -- unknown mode";

 char Efull[]	= "file system full";

--- a/fs.c

+++ b/fs.c

@@ -1080,7 +1080,7 @@

 		name = m->wname[i];

 		if(d.qid.path == Qdump){

 			if((mnt = getmount(m->wname[i])) == nil){

-				rerror(m, Efsrch);

+				rerror(m, Esrch);

 				putfid(o);

 				return;

 			}

@@ -1691,7 +1691,8 @@

 		putfid(f);

 		return;

 	}

-	if(f->dent->mode & DMEXCL){

+	if(f->dent->qid.type & QTEXCL)

+	if(f->dent->ref != 1){

 		rerror(m, Elocked);

 		goto Disallow;

 	}

-- 

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