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09540e691d
debugfs depends on sysfs, so make blktrace kconfig option depend on that. Reported by Adrian Bunk. Signed-off-by: Jens Axboe <axboe@suse.de>
37 lines
1.2 KiB
Plaintext
37 lines
1.2 KiB
Plaintext
#
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# Block layer core configuration
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#
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#XXX - it makes sense to enable this only for 32-bit subarch's, not for x86_64
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#for instance.
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config LBD
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bool "Support for Large Block Devices"
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depends on X86 || (MIPS && 32BIT) || PPC32 || (S390 && !64BIT) || SUPERH || UML
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help
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Say Y here if you want to attach large (bigger than 2TB) discs to
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your machine, or if you want to have a raid or loopback device
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bigger than 2TB. Otherwise say N.
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config BLK_DEV_IO_TRACE
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bool "Support for tracing block io actions"
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depends on SYSFS
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select RELAY
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select DEBUG_FS
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help
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Say Y here, if you want to be able to trace the block layer actions
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on a given queue. Tracing allows you to see any traffic happening
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on a block device queue. For more information (and the user space
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support tools needed), fetch the blktrace app from:
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git://brick.kernel.dk/data/git/blktrace.git
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config LSF
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bool "Support for Large Single Files"
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depends on X86 || (MIPS && 32BIT) || PPC32 || ARCH_S390_31 || SUPERH || UML
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default n
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help
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When CONFIG_LBD is disabled, say Y here if you want to
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handle large file(bigger than 2TB), otherwise say N.
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When CONFIG_LBD is enabled, Y is set automatically.
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source block/Kconfig.iosched
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