From 9c1310fa6ae1a67dc0fea3bf549d805ff167e78f Mon Sep 17 00:00:00 2001
From: Tim Prouty <tprouty@samba.org>
Date: Fri, 9 Jan 2009 13:07:58 -0800
Subject: s3 oplocks: Differentiate between releasing an oplock vs. downgrading
 to Level 2 for kernel oplocks

Pass in an extra argument when releasing an oplock so kernel oplock
implementations can support downgrading from Level 1 to Level 2.
---
 source3/include/smb.h       | 2 +-
 source3/smbd/oplock.c       | 4 ++--
 source3/smbd/oplock_irix.c  | 2 +-
 source3/smbd/oplock_linux.c | 2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/source3/include/smb.h b/source3/include/smb.h
index 100ec21031..96cd3b7d85 100644
--- a/source3/include/smb.h
+++ b/source3/include/smb.h
@@ -1701,7 +1701,7 @@ struct kernel_oplocks_ops {
 	bool (*set_oplock)(struct kernel_oplocks *ctx,
 			   files_struct *fsp, int oplock_type);
 	void (*release_oplock)(struct kernel_oplocks *ctx,
-			       files_struct *fsp);
+			       files_struct *fsp, int oplock_type);
 };
 
 #include "smb_macros.h"
diff --git a/source3/smbd/oplock.c b/source3/smbd/oplock.c
index 3dac674c17..0945ac6677 100644
--- a/source3/smbd/oplock.c
+++ b/source3/smbd/oplock.c
@@ -91,7 +91,7 @@ void release_file_oplock(files_struct *fsp)
 	if ((fsp->oplock_type != NO_OPLOCK) &&
 	    (fsp->oplock_type != FAKE_LEVEL_II_OPLOCK) &&
 	    koplocks) {
-		koplocks->ops->release_oplock(koplocks, fsp);
+		koplocks->ops->release_oplock(koplocks, fsp, NO_OPLOCK);
 	}
 
 	if (fsp->oplock_type == LEVEL_II_OPLOCK) {
@@ -123,7 +123,7 @@ void release_file_oplock(files_struct *fsp)
 static void downgrade_file_oplock(files_struct *fsp)
 {
 	if (koplocks) {
-		koplocks->ops->release_oplock(koplocks, fsp);
+		koplocks->ops->release_oplock(koplocks, fsp, LEVEL_II_OPLOCK);
 	}
 	fsp->oplock_type = LEVEL_II_OPLOCK;
 	exclusive_oplocks_open--;
diff --git a/source3/smbd/oplock_irix.c b/source3/smbd/oplock_irix.c
index d7f45e67de..23b2fa9081 100644
--- a/source3/smbd/oplock_irix.c
+++ b/source3/smbd/oplock_irix.c
@@ -222,7 +222,7 @@ static bool irix_set_kernel_oplock(struct kernel_oplocks *_ctx,
 ****************************************************************************/
 
 static void irix_release_kernel_oplock(struct kernel_oplocks *_ctx,
-				       files_struct *fsp)
+				       files_struct *fsp, int oplock_type)
 {
 	if (DEBUGLVL(10)) {
 		/*
diff --git a/source3/smbd/oplock_linux.c b/source3/smbd/oplock_linux.c
index 51cce0ed48..5840ff0851 100644
--- a/source3/smbd/oplock_linux.c
+++ b/source3/smbd/oplock_linux.c
@@ -130,7 +130,7 @@ static bool linux_set_kernel_oplock(struct kernel_oplocks *ctx,
 ****************************************************************************/
 
 static void linux_release_kernel_oplock(struct kernel_oplocks *ctx,
-					files_struct *fsp)
+					files_struct *fsp, int oplock_type)
 {
 	if (DEBUGLVL(10)) {
 		/*
-- 
cgit