X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=block%2FKconfig;h=2484e0e9d89c9127c0678052b18bfa879b8a827d;hp=6597b60e8e69a58e71e3c8d997dc8c8d6e7af8a9;hb=09c7d8293a2d1317d16ef4ddb9f6dd2553d0694e;hpb=492559af235eb56884d62553f191c0b5c4def990

diff --git a/block/Kconfig b/block/Kconfig
index 6597b60e8e69..2484e0e9d89c 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -49,14 +49,19 @@ config LSF
 
 	  If unsure, say Y.
 
-endif # BLOCK
-
 config BLK_DEV_BSG
-	bool "Block layer SG support"
-	depends on (SCSI=y) && EXPERIMENTAL
-	default y
+	bool "Block layer SG support v4 (EXPERIMENTAL)"
+	depends on EXPERIMENTAL
 	---help---
-	Saying Y here will enable generic SG (SCSI generic) v4
-	support for any block device.
+	Saying Y here will enable generic SG (SCSI generic) v4 support
+	for any block device.
+
+	Unlike SG v3 (aka block/scsi_ioctl.c drivers/scsi/sg.c), SG v4
+	can handle complicated SCSI commands: tagged variable length cdbs
+	with bidirectional data transfers and generic request/response
+	protocols (e.g. Task Management Functions and SMP in Serial
+	Attached SCSI).
+
+endif # BLOCK
 
 source block/Kconfig.iosched