From c8b3b06b2bae8bf5c1a1acb49e8622d03590ceac Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Mon, 22 Nov 2021 03:47:29 +0000
Subject: [PATCH] scst: Backport the scsi_done() function

The scsi_done() function is new in kernel v5.16. Backport it to older
kernel versions.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@9597 d57e44dd-8a1f-0410-8b47-8ef2f437770f
---
 scst/include/backport.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/scst/include/backport.h b/scst/include/backport.h
index ea69927d2..809d22062 100644
--- a/scst/include/backport.h
+++ b/scst/include/backport.h
@@ -2267,6 +2267,16 @@ static inline u32 scsi_prot_ref_tag(struct scsi_cmnd *scmd)
 #endif
 #endif
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 16, 0)
+/*
+ * See also commit 11b68e36b167 ("scsi: core: Call scsi_done directly"; v5.16)
+ */
+static inline void scsi_done(struct scsi_cmnd *cmd)
+{
+	return cmd->scsi_done(cmd);
+}
+#endif
+
 /* <scsi/scsi_request.h> */
 
 #if LINUX_VERSION_CODE < KERNEL_VERSION(4, 11, 0)