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[dm-devel] [PATCH 19/28] blk_end_request: changing scsi (take 3)



This patch converts scsi mid-layer to use blk_end_request().

The comment above scsi_next_command() is not related to this change.
It had originally been there before scsi_next_command() was included
in scsi_finalize_request().

Signed-off-by: Kiyoshi Ueda <k-ueda ct jp nec com>
Signed-off-by: Jun'ichi Nomura <j-nomura ce jp nec com>
---
 drivers/scsi/scsi_lib.c |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

Index: 2.6.24-rc3-mm2/drivers/scsi/scsi_lib.c
===================================================================
--- 2.6.24-rc3-mm2.orig/drivers/scsi/scsi_lib.c
+++ 2.6.24-rc3-mm2/drivers/scsi/scsi_lib.c
@@ -683,7 +683,7 @@ static struct scsi_cmnd *scsi_end_reques
 	 * If there are blocks left over at the end, set up the command
 	 * to queue the remainder of them.
 	 */
-	if (end_that_request_chunk(req, uptodate, bytes)) {
+	if (blk_end_request(req, uptodate, bytes)) {
 		int leftover = (req->hard_nr_sectors << 9);
 
 		if (blk_pc_request(req))
@@ -691,7 +691,7 @@ static struct scsi_cmnd *scsi_end_reques
 
 		/* kill remainder if no retrys */
 		if (!uptodate && blk_noretry_request(req))
-			end_that_request_chunk(req, 0, leftover);
+			blk_end_request(req, 0, leftover);
 		else {
 			if (requeue) {
 				/*
@@ -706,7 +706,11 @@ static struct scsi_cmnd *scsi_end_reques
 		}
 	}
 
-	scsi_finalize_request(cmd, uptodate);
+	/*
+	 * This will goose the queue request function at the end, so we don't
+	 * need to worry about launching another command.
+	 */
+	scsi_next_command(cmd);
 	return NULL;
 }
 


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