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| author |   Vivek Goyal <vgoyal@redhat.com> | 2020-08-19 18:19:47 -0400 |
|---|---|---|
| committer |   Miklos Szeredi <mszeredi@redhat.com> | 2020-09-10 11:39:22 +0200 |
| commit | 1dd539577c42b67da796e2e758e04171bb889779 (patch) | |
| tree | ec3e67b9b630f9803c9f01d8ebaabb9a9db3ea1d /fs/fuse/Kconfig | |
| parent | virtiofs: set up virtio_fs dax_device (diff) | |
| download | linux-dev-1dd539577c42b67da796e2e758e04171bb889779.tar.xz linux-dev-1dd539577c42b67da796e2e758e04171bb889779.zip | |
virtiofs: add a mount option to enable dax
Add a mount option to allow using dax with virtio_fs.
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/fuse/Kconfig')
| -rw-r--r-- | fs/fuse/Kconfig | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/fuse/Kconfig b/fs/fuse/Kconfig index 0156dc8aa646..fddd40630077 100644 --- a/fs/fuse/Kconfig +++ b/fs/fuse/Kconfig @@ -38,3 +38,16 @@ config VIRTIO_FS If you want to share files between guests or with the host, answer Y or M. + +config FUSE_DAX + bool "Virtio Filesystem Direct Host Memory Access support" + default y + depends on VIRTIO_FS + depends on FS_DAX + depends on DAX_DRIVER + help + This allows bypassing guest page cache and allows mapping host page + cache directly in guest address space. + + If you want to allow mounting a Virtio Filesystem with the "dax" + option, answer Y. |