[deliverable/linux.git] / block / Kconfig

#
# Block layer core configuration
#
#XXX - it makes sense to enable this only for 32-bit subarch's, not for x86_64
#for instance.
config LBD
	bool "Support for Large Block Devices"
	depends on X86 || (MIPS && 32BIT) || PPC32 || (S390 && !64BIT) || SUPERH || UML
	help
	  Say Y here if you want to attach large (bigger than 2TB) discs to
	  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"
	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

source block/Kconfig.iosched
Commit	Line	Data
3a65dfe8 JA	1	#
	2	# Block layer core configuration
	3	#
	4	#XXX - it makes sense to enable this only for 32-bit subarch's, not for x86_64
	5	#for instance.
	6	config LBD
	7	bool "Support for Large Block Devices"
347a8dc3	8	depends on X86 \|\| (MIPS && 32BIT) \|\| PPC32 \|\| (S390 && !64BIT) \|\| SUPERH \|\| UML
3a65dfe8 JA	9	help
	10	Say Y here if you want to attach large (bigger than 2TB) discs to
	11	your machine, or if you want to have a raid or loopback device
	12	bigger than 2TB. Otherwise say N.
	13
2056a782 JA	14	config BLK_DEV_IO_TRACE
	15	bool "Support for tracing block io actions"
	16	select RELAY
	17	select DEBUG_FS
	18	help
	19	Say Y here, if you want to be able to trace the block layer actions
	20	on a given queue. Tracing allows you to see any traffic happening
	21	on a block device queue. For more information (and the user space
	22	support tools needed), fetch the blktrace app from:
	23
	24	git://brick.kernel.dk/data/git/blktrace.git
	25
3a65dfe8	26	source block/Kconfig.iosched