Kconfig (0a0fc0ddbe732779366ab6b1b879f62195e65967) Kconfig (2056a782f8e7e65fd4bfd027506b4ce1c5e9ccd4)
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.
6config LBD
7 bool "Support for Large Block Devices"
8 depends on X86 || (MIPS && 32BIT) || PPC32 || (S390 && !64BIT) || SUPERH || UML
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
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.
6config LBD
7 bool "Support for Large Block Devices"
8 depends on X86 || (MIPS && 32BIT) || PPC32 || (S390 && !64BIT) || SUPERH || UML
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
14config 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
14source block/Kconfig.iosched
26source block/Kconfig.iosched