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ec8f24b7fa
Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
64 lines
1.8 KiB
Plaintext
64 lines
1.8 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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config ROMFS_FS
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tristate "ROM file system support"
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depends on BLOCK || MTD
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---help---
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This is a very small read-only file system mainly intended for
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initial ram disks of installation disks, but it could be used for
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other read-only media as well. Read
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<file:Documentation/filesystems/romfs.txt> for details.
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To compile this file system support as a module, choose M here: the
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module will be called romfs. Note that the file system of your
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root partition (the one containing the directory /) cannot be a
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module.
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If you don't know whether you need it, then you don't need it:
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answer N.
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#
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# Select the backing stores to be supported
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#
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choice
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prompt "RomFS backing stores"
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depends on ROMFS_FS
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default ROMFS_BACKED_BY_BLOCK
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help
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Select the backing stores to be supported.
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config ROMFS_BACKED_BY_BLOCK
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bool "Block device-backed ROM file system support"
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depends on BLOCK
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help
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This permits ROMFS to use block devices buffered through the page
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cache as the medium from which to retrieve data. It does not allow
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direct mapping of the medium.
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If unsure, answer Y.
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config ROMFS_BACKED_BY_MTD
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bool "MTD-backed ROM file system support"
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depends on MTD=y || (ROMFS_FS=m && MTD)
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help
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This permits ROMFS to use MTD based devices directly, without the
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intercession of the block layer (which may have been disabled). It
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also allows direct mapping of MTD devices through romfs files under
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NOMMU conditions if the underlying device is directly addressable by
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the CPU.
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If unsure, answer Y.
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config ROMFS_BACKED_BY_BOTH
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bool "Both the above"
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depends on BLOCK && (MTD=y || (ROMFS_FS=m && MTD))
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endchoice
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config ROMFS_ON_BLOCK
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bool
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default y if ROMFS_BACKED_BY_BLOCK || ROMFS_BACKED_BY_BOTH
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config ROMFS_ON_MTD
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bool
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default y if ROMFS_BACKED_BY_MTD || ROMFS_BACKED_BY_BOTH
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