Bias the location of pages freed for min_free_kbytes in the same MAX_ORDER_NR_PAGES...
[sfrench/cifs-2.6.git] / block / Kconfig
index 285935134bcd02cedf51cd1330ea1460aca4ca14..9bda7bc80307f2a69c06a0c46819c0a10d5321e2 100644 (file)
@@ -49,6 +49,24 @@ config LSF
 
          If unsure, say Y.
 
+config BLK_DEV_BSG
+       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.
+
+       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
 
+config BLOCK_COMPAT
+       bool
+       depends on BLOCK && COMPAT
+       default y
+
 source block/Kconfig.iosched