Jens Axboe | 3a65dfe | 2005-11-04 08:43:35 +0100 | [diff] [blame] | 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" |
Martin Schwidefsky | 347a8dc | 2006-01-06 00:19:28 -0800 | [diff] [blame] | 8 | depends on X86 || (MIPS && 32BIT) || PPC32 || (S390 && !64BIT) || SUPERH || UML |
Jens Axboe | 3a65dfe | 2005-11-04 08:43:35 +0100 | [diff] [blame] | 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 | |
Jens Axboe | 2056a78 | 2006-03-23 20:00:26 +0100 | [diff] [blame] | 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 | |
Jens Axboe | 3a65dfe | 2005-11-04 08:43:35 +0100 | [diff] [blame] | 26 | source block/Kconfig.iosched |