01_scsi_REQ_SPECIAL_semantic_scsi_init_io.patch

        scsi_init_io() used to set REQ_SPECIAL when it fails sg
        allocation before requeueing the request by returning
        BLKPREP_DEFER.  REQ_SPECIAL is being updated to mean special
        requests and we need to set REQ_SOFTBARRIER for half-prepp'ed
        requests.  So, replace REQ_SPECIAL with REQ_SOFTBARRIER.

Signed-off-by: Tejun Heo <[EMAIL PROTECTED]>

 scsi_lib.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

Index: scsi-reqfn-export/drivers/scsi/scsi_lib.c
===================================================================
--- scsi-reqfn-export.orig/drivers/scsi/scsi_lib.c      2005-04-11 
12:27:07.000000000 +0900
+++ scsi-reqfn-export/drivers/scsi/scsi_lib.c   2005-04-11 12:27:07.000000000 
+0900
@@ -936,7 +936,7 @@ static int scsi_init_io(struct scsi_cmnd
         */
        sgpnt = scsi_alloc_sgtable(cmd, GFP_ATOMIC);
        if (unlikely(!sgpnt)) {
-               req->flags |= REQ_SPECIAL;
+               req->flags |= REQ_SOFTBARRIER;
                return BLKPREP_DEFER;
        }
 

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