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925c86a19b
Add a new config option that controls building the buffer_head code, and select it from all file systems and stacking drivers that need it. For the block device nodes and alternative iomap based buffered I/O path is provided when buffer_head support is not enabled, and iomap needs a a small tweak to define the IOMAP_F_BUFFER_HEAD flag to 0 to not call into the buffer_head code when it doesn't exist. Otherwise this is just Kconfig and ifdef changes. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Luis Chamberlain <mcgrof@kernel.org> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Link: https://lore.kernel.org/r/20230801172201.1923299-7-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
17 lines
596 B
Plaintext
17 lines
596 B
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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config HFSPLUS_FS
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tristate "Apple Extended HFS file system support"
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depends on BLOCK
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select BUFFER_HEAD
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select NLS
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select NLS_UTF8
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select LEGACY_DIRECT_IO
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help
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If you say Y here, you will be able to mount extended format
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Macintosh-formatted hard drive partitions with full read-write access.
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This file system is often called HFS+ and was introduced with
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MacOS 8. It includes all Mac specific filesystem data such as
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data forks and creator codes, but it also has several UNIX
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style features such as file ownership and permissions.
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