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v6.12.39
linux-yocto/fs/freevxfs/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 VXFS_FS tristate "FreeVxFS file system support (VERITAS VxFS(TM) compatible)" depends on BLOCK select BUFFER_HEAD help FreeVxFS is a file system driver that support the VERITAS VxFS(TM) file system format. VERITAS VxFS(TM) is the standard file system of SCO UnixWare (and possibly others) and optionally available for Sunsoft Solaris, HP-UX and many other operating systems. However these particular OS implementations of vxfs may differ in on-disk data endianness and/or superblock offset. The vxfs module has been tested with SCO UnixWare and HP-UX B.10.20 (pa-risc 1.1 arch.) Currently only readonly access is supported and VxFX versions 2, 3 and 4. Tests were performed with HP-UX VxFS version 3.

  NOTE: the file system type as used by mount(1), mount(2) and
  fstab(5) is 'vxfs' as it describes the file system format, not
  the actual driver.

  There is a userspace utility for HP-UX logical volumes which makes
  creating HP-UX logical volumes easy from HP-UX disk block device file
  or regular file with image of the disk. See:
         https://sourceforge.net/projects/linux-vxfs/

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