X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=include%2Fscsi%2Fscsi_host.h;h=5c58d594126a93bcb697e4c61b9a61c31aaa30b3;hb=c2778357234f84668eab5558b54ad28478439d0b;hp=0fd4746ee39d4437e788c37b9a7f59d9b65dc11a;hpb=821f3eff7cdb9d6c7076effabd46c96c322daed1;p=powerpc.git

diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 0fd4746ee3..5c58d59412 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -39,9 +39,6 @@ struct blk_queue_tags;
 #define DISABLE_CLUSTERING 0
 #define ENABLE_CLUSTERING 1
 
-#define DISABLE_SG_CHAINING 0
-#define ENABLE_SG_CHAINING 1
-
 enum scsi_eh_timer_return {
 	EH_NOT_HANDLED,
 	EH_HANDLED,
@@ -136,9 +133,9 @@ struct scsi_host_template {
 	 * the done callback is invoked.
 	 *
 	 * This is called to inform the LLD to transfer
-	 * cmd->request_bufflen bytes. The cmd->use_sg speciefies the
+	 * scsi_bufflen(cmd) bytes. scsi_sg_count(cmd) speciefies the
 	 * number of scatterlist entried in the command and
-	 * cmd->request_buffer contains the scatterlist.
+	 * scsi_sglist(cmd) returns the scatterlist.
 	 *
 	 * return values: see queuecommand
 	 *
@@ -445,15 +442,6 @@ struct scsi_host_template {
 	 */
 	unsigned ordered_tag:1;
 
-	/*
-	 * true if the low-level driver can support sg chaining. this
-	 * will be removed eventually when all the drivers are
-	 * converted to support sg chaining.
-	 *
-	 * Status: OBSOLETE
-	 */
-	unsigned use_sg_chaining:1;
-
 	/*
 	 * Countdown for host blocking with no commands outstanding
 	 */
@@ -598,7 +586,6 @@ struct Scsi_Host {
 	unsigned unchecked_isa_dma:1;
 	unsigned use_clustering:1;
 	unsigned use_blk_tcq:1;
-	unsigned use_sg_chaining:1;
 
 	/*
 	 * Host has requested that no further requests come through for the