From 921fbb25eb4a6097a1e960abadc4dc4b11d32cf6 Mon Sep 17 00:00:00 2001
From: Volker Lendecke <vlendec@samba.org>
Date: Sat, 11 Aug 2007 16:28:10 +0000
Subject: r24332: schedule_aio_read_and_X does not need InBuf/OutBuf (This used
 to be commit 9ad91bd20592850d7b6393e1ac7f0e0919d69668)

---
 source3/smbd/aio.c   | 25 ++++++++++++-------------
 source3/smbd/reply.c | 15 +++++++--------
 2 files changed, 19 insertions(+), 21 deletions(-)

(limited to 'source3/smbd')

diff --git a/source3/smbd/aio.c b/source3/smbd/aio.c
index 0ba857e2e5..49855796b7 100644
--- a/source3/smbd/aio.c
+++ b/source3/smbd/aio.c
@@ -51,7 +51,7 @@ static struct aio_extra *aio_list_head;
 static struct aio_extra *create_aio_ex_read(files_struct *fsp,
 						size_t buflen,
 						uint16 mid,
-						const char *inbuf)
+						const uint8 *inbuf)
 {
 	struct aio_extra *aio_ex = SMB_MALLOC_P(struct aio_extra);
 
@@ -203,8 +203,7 @@ void initialize_async_io_handler(void)
 *****************************************************************************/
 
 BOOL schedule_aio_read_and_X(connection_struct *conn,
-			     char *inbuf, char *outbuf,
-			     int length, int len_outbuf,
+			     struct smb_request *req,
 			     files_struct *fsp, SMB_OFF_T startpos,
 			     size_t smb_maxcnt)
 {
@@ -224,7 +223,7 @@ BOOL schedule_aio_read_and_X(connection_struct *conn,
 
 	/* Only do this on non-chained and non-chaining reads not using the
 	 * write cache. */
-        if (chain_size !=0 || (CVAL(inbuf,smb_vwv0) != 0xFF)
+        if (chain_size !=0 || (CVAL(req->inbuf,smb_vwv0) != 0xFF)
 	    || (lp_write_cache_size(SNUM(conn)) != 0) ) {
 		return False;
 	}
@@ -236,18 +235,19 @@ BOOL schedule_aio_read_and_X(connection_struct *conn,
 		return False;
 	}
 
-	/* The following is safe from integer wrap as we've already
-	   checked smb_maxcnt is 128k or less. */
-	bufsize = PTR_DIFF(smb_buf(outbuf),outbuf) + smb_maxcnt;
+	/* The following is safe from integer wrap as we've already checked
+	   smb_maxcnt is 128k or less. Wct is 12 for read replies */
+
+	bufsize = smb_size + 12 * 2 + smb_maxcnt;
 
-	if ((aio_ex = create_aio_ex_read(fsp, bufsize,
-					 SVAL(inbuf,smb_mid), inbuf)) == NULL) {
+	if (!(aio_ex = create_aio_ex_read(fsp, bufsize, req->mid,
+					  req->inbuf))) {
 		DEBUG(10,("schedule_aio_read_and_X: malloc fail.\n"));
 		return False;
 	}
 
-	/* Copy the SMB header already setup in outbuf. */
-	memcpy(aio_ex->outbuf, outbuf, smb_buf(outbuf) - outbuf);
+	construct_reply_common((char *)req->inbuf, aio_ex->outbuf);
+	set_message((char *)req->inbuf, aio_ex->outbuf, 12, 0, True);
 	SCVAL(aio_ex->outbuf,smb_vwv0,0xFF); /* Never a chained reply. */
 
 	a = &aio_ex->acb;
@@ -625,8 +625,7 @@ int process_aio_queue(void)
 }
 
 BOOL schedule_aio_read_and_X(connection_struct *conn,
-			     char *inbuf, char *outbuf,
-			     int length, int len_outbuf,
+			     struct smb_request *req,
 			     files_struct *fsp, SMB_OFF_T startpos,
 			     size_t smb_maxcnt)
 {
diff --git a/source3/smbd/reply.c b/source3/smbd/reply.c
index 7b981e1c8a..a62b54550e 100644
--- a/source3/smbd/reply.c
+++ b/source3/smbd/reply.c
@@ -2960,22 +2960,21 @@ void reply_read_and_X(connection_struct *conn, struct smb_request *req)
 		return;
 	}
 
-	if (!reply_prep_legacy(req, &inbuf, &outbuf, &length, &bufsize)) {
-		reply_nterror(req, NT_STATUS_NO_MEMORY);
+	if (!big_readX
+	    && schedule_aio_read_and_X(conn, req, fsp, startpos, smb_maxcnt)) {
 		END_PROFILE(SMBreadX);
+		reply_post_legacy(req, -1);
 		return;
 	}
 
-	set_message(inbuf,outbuf,12,0,True);
-
-	if (!big_readX
-	    && schedule_aio_read_and_X(conn, inbuf, outbuf, length, bufsize,
-				       fsp, startpos, smb_maxcnt)) {
+	if (!reply_prep_legacy(req, &inbuf, &outbuf, &length, &bufsize)) {
+		reply_nterror(req, NT_STATUS_NO_MEMORY);
 		END_PROFILE(SMBreadX);
-		reply_post_legacy(req, -1);
 		return;
 	}
 
+	set_message(inbuf,outbuf,12,0,True);
+
 	nread = send_file_readX(conn, inbuf, outbuf, length, bufsize, fsp,
 				startpos, smb_maxcnt);
 	/* Only call chain_reply if not an error. */
-- 
cgit