block/Kconfig

   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"
   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
  14 config BLK_DEV_IO_TRACE
  15         bool "Support for tracing block io actions"
  16         depends on SYSFS
  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
  27 config LSF
  28         bool "Support for Large Single Files"
  29         depends on X86 || (MIPS && 32BIT) || PPC32 || ARCH_S390_31 || SUPERH || UML
  30         help
  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.
  35
  36 source block/Kconfig.iosched