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a0f62ac636
Add blkcnt_t as the type of inode.i_blocks. This enables you to make the size of blkcnt_t either 4 bytes or 8 bytes on 32 bits architecture with CONFIG_LSF. - CONFIG_LSF Add new configuration parameter. - blkcnt_t On h8300, i386, mips, powerpc, s390 and sh that define sector_t, blkcnt_t is defined as u64 if CONFIG_LSF is enabled; otherwise it is defined as unsigned long. On other architectures, it is defined as unsigned long. - inode.i_blocks Change the type from sector_t to blkcnt_t. Signed-off-by: Takashi Sato <sho@tnes.nec.co.jp> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
36 lines
1.2 KiB
Plaintext
36 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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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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