X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=block%2FKconfig;h=83766a6bdee264f3c3a8da74bfa95ada55097062;hb=59458f40e25915a355d8b1d701425fe9f4f9ea23;hp=b6f5f0a79655a3de0125af945682f91bf92bc726;hpb=a8b59e79ed55de97949ff1ca7d933786b95b39bd;p=powerpc.git

diff --git a/block/Kconfig b/block/Kconfig
index b6f5f0a796..83766a6bde 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -1,6 +1,24 @@
 #
 # Block layer core configuration
 #
+config BLOCK
+       bool "Enable the block layer" if EMBEDDED
+       default y
+       help
+	 This permits the block layer to be removed from the kernel if it's not
+	 needed (on some embedded devices for example).  If this option is
+	 disabled, then blockdev files will become unusable and some
+	 filesystems (such as ext3) will become unavailable.
+
+	 This option will also disable SCSI character devices and USB storage
+	 since they make use of various block layer definitions and
+	 facilities.
+
+	 Say Y here unless you know you really don't want to mount disks and
+	 suchlike.
+
+if BLOCK
+
 #XXX - it makes sense to enable this only for 32-bit subarch's, not for x86_64
 #for instance.
 config LBD
@@ -33,4 +51,6 @@ config LSF
 
 	  If unsure, say Y.
 
+endif
+
 source block/Kconfig.iosched