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Add a new LEGACY_DIRECT_IO config symbol that is only selected by the file systems that still use the legacy blockdev_direct_IO code, so that kernels without support for those file systems don't need to build the code. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Eric Biggers <ebiggers@google.com> Link: https://lore.kernel.org/r/20230125065839.191256-3-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
24 lines
1.0 KiB
Plaintext
24 lines
1.0 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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config AFFS_FS
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tristate "Amiga FFS file system support"
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depends on BLOCK
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select LEGACY_DIRECT_IO
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help
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The Fast File System (FFS) is the common file system used on hard
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disks by Amiga(tm) systems since AmigaOS Version 1.3 (34.20). Say Y
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if you want to be able to read and write files from and to an Amiga
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FFS partition on your hard drive. Amiga floppies however cannot be
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read with this driver due to an incompatibility of the floppy
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controller used in an Amiga and the standard floppy controller in
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PCs and workstations. Read <file:Documentation/filesystems/affs.rst>
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and <file:fs/affs/Changes>.
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With this driver you can also mount disk files used by Bernd
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Schmidt's Un*X Amiga Emulator
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(<http://www.freiburg.linux.de/~uae/>).
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If you want to do this, you will also need to say Y or M to "Loop
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device support", above.
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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 affs. If unsure, say N.
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