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If we enable the memory stick block layer, use Kconfig to imply the BFQ I/O scheduler. As all memstick devices are single-queue, this is the scheduler that users want so let's be helpful and make sure it gets default-selected into a manual kernel configuration. It will still need to be enabled at runtime (usually with udev scripts). Cc: linux-block@vger.kernel.org Cc: Paolo Valente <paolo.valente@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20230131085220.1038241-1-linus.walleij@linaro.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
42 lines
1.4 KiB
Plaintext
42 lines
1.4 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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#
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# MemoryStick core configuration
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#
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comment "MemoryStick drivers"
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config MEMSTICK_UNSAFE_RESUME
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bool "Allow unsafe resume (DANGEROUS)"
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help
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If you say Y here, the MemoryStick layer will assume that all
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cards stayed in their respective slots during the suspend. The
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normal behaviour is to remove them at suspend and
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redetecting them at resume. Breaking this assumption will
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in most cases result in data corruption.
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This option is usually just for embedded systems which use
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a MemoryStick card for rootfs. Most people should say N here.
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config MSPRO_BLOCK
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tristate "MemoryStick Pro block device driver"
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depends on BLOCK
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imply IOSCHED_BFQ
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help
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Say Y here to enable the MemoryStick Pro block device driver
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support. This provides a block device driver, which you can use
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to mount the filesystem. Almost everyone wishing MemoryStick
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support should say Y or M here.
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config MS_BLOCK
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tristate "MemoryStick Standard device driver"
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depends on BLOCK
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imply IOSCHED_BFQ
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help
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Say Y here to enable the MemoryStick Standard device driver
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support. This provides a block device driver, which you can use
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to mount the filesystem.
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This driver works with old (bulky) MemoryStick and MemoryStick Duo
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but not PRO. Say Y if you have such card.
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Driver is new and not yet well tested, thus it can damage your card
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(even permanently)
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