X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=block%2FKconfig;h=83766a6bdee264f3c3a8da74bfa95ada55097062;hp=377f6dd20e1799afe57f9881e3cd8ac222697f8e;hb=820ae1b865caa05e0614004d0183ca70de2b8665;hpb=57d1c91fa6d9146b309b7511f6432dea2a24858b diff --git a/block/Kconfig b/block/Kconfig index 377f6dd20e17..83766a6bdee2 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 @@ -11,4 +29,28 @@ config LBD your machine, or if you want to have a raid or loopback device bigger than 2TB. Otherwise say N. +config BLK_DEV_IO_TRACE + bool "Support for tracing block io actions" + depends on SYSFS + select RELAY + select DEBUG_FS + help + Say Y here, if you want to be able to trace the block layer actions + on a given queue. Tracing allows you to see any traffic happening + on a block device queue. For more information (and the user space + support tools needed), fetch the blktrace app from: + + git://brick.kernel.dk/data/git/blktrace.git + +config LSF + bool "Support for Large Single Files" + depends on X86 || (MIPS && 32BIT) || PPC32 || ARCH_S390_31 || SUPERH || UML + help + Say Y here if you want to be able to handle very large files (bigger + than 2TB), otherwise say N. + + If unsure, say Y. + +endif + source block/Kconfig.iosched