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Linux/fs/fuse/Kconfig

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  1 # SPDX-License-Identifier: GPL-2.0-only
  2 config FUSE_FS
  3         tristate "FUSE (Filesystem in Userspace) support"
  4         select FS_POSIX_ACL
  5         help
  6           With FUSE it is possible to implement a fully functional filesystem
  7           in a userspace program.
  8 
  9           There's also a companion library: libfuse2.  This library is available
 10           from the FUSE homepage:
 11           <https://github.com/libfuse/>
 12           although chances are your distribution already has that library
 13           installed if you've installed the "fuse" package itself.
 14 
 15           See <file:Documentation/filesystems/fuse.rst> for more information.
 16           See <file:Documentation/Changes> for needed library/utility version.
 17 
 18           If you want to develop a userspace FS, or if you want to use
 19           a filesystem based on FUSE, answer Y or M.
 20 
 21 config CUSE
 22         tristate "Character device in Userspace support"
 23         depends on FUSE_FS
 24         help
 25           This FUSE extension allows character devices to be
 26           implemented in userspace.
 27 
 28           If you want to develop or use a userspace character device
 29           based on CUSE, answer Y or M.
 30 
 31 config VIRTIO_FS
 32         tristate "Virtio Filesystem"
 33         depends on FUSE_FS
 34         select VIRTIO
 35         help
 36           The Virtio Filesystem allows guests to mount file systems from the
 37           host.
 38 
 39           If you want to share files between guests or with the host, answer Y
 40           or M.
 41 
 42 config FUSE_DAX
 43         bool "Virtio Filesystem Direct Host Memory Access support"
 44         default y
 45         select INTERVAL_TREE
 46         depends on VIRTIO_FS
 47         depends on FS_DAX
 48         depends on DAX
 49         help
 50           This allows bypassing guest page cache and allows mapping host page
 51           cache directly in guest address space.
 52 
 53           If you want to allow mounting a Virtio Filesystem with the "dax"
 54           option, answer Y.
 55 
 56 config FUSE_PASSTHROUGH
 57         bool "FUSE passthrough operations support"
 58         default y
 59         depends on FUSE_FS
 60         select FS_STACK
 61         help
 62           This allows bypassing FUSE server by mapping specific FUSE operations
 63           to be performed directly on a backing file.
 64 
 65           If you want to allow passthrough operations, answer Y.

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