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linux-imx/fs/omfs/Kconfig
Christoph Hellwig 925c86a19b fs: add CONFIG_BUFFER_HEAD 
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>
2023-08-02 09:13:09 -06:00

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SPDX-License-Identifier: GPL-2.0-only

config OMFS_FS tristate "SonicBlue Optimized MPEG File System support" depends on BLOCK select BUFFER_HEAD select CRC_ITU_T help This is the proprietary file system used by the Rio Karma music player and ReplayTV DVR. Despite the name, this filesystem is not more efficient than a standard FS for MPEG files, in fact likely the opposite is true. Say Y if you have either of these devices and wish to mount its disk.

  To compile this file system support as a module, choose M here: the
  module will be called omfs.  If unsure, say N.