Commit | Line | Data |
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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" | |
09540e69 | 16 | depends on SYSFS |
2056a782 JA |
17 | select RELAY |
18 | select DEBUG_FS | |
19 | help | |
20 | Say Y here, if you want to be able to trace the block layer actions | |
21 | on a given queue. Tracing allows you to see any traffic happening | |
22 | on a block device queue. For more information (and the user space | |
23 | support tools needed), fetch the blktrace app from: | |
24 | ||
25 | git://brick.kernel.dk/data/git/blktrace.git | |
26 | ||
a0f62ac6 TS |
27 | config LSF |
28 | bool "Support for Large Single Files" | |
29 | depends on X86 || (MIPS && 32BIT) || PPC32 || ARCH_S390_31 || SUPERH || UML | |
a0f62ac6 | 30 | help |
88b9adb0 TM |
31 | Say Y here if you want to be able to handle very large files (bigger |
32 | than 2TB), otherwise say N. | |
33 | ||
34 | If unsure, say Y. | |
a0f62ac6 | 35 | |
3a65dfe8 | 36 | source block/Kconfig.iosched |