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qemu: add docs for 'fmode' and 'dmode' options

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Adds documentation for QEMU 9pfs 'fmode' and 'dmode' options.

Signed-off-by: Brian Turek <brian.turek@gmail.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
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Brian Turek 2020-10-08 15:32:26 +01:00 committed by Ján Tomko
parent 1d9b4a9638
commit ae110dc58b
1 changed files with 13 additions and 0 deletions
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docs/formatdomain.rst
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@ -3062,6 +3062,12 @@ A directory on the host that can be accessed directly from the guest.
<target dir='/import/from/host'/>
<readonly/>
</filesystem>
<filesystem type='mount' accessmode='mapped' fmode='644' dmode='755'>
<driver type='path'/>
<source dir='/export/to/guest'/>
<target dir='/import/from/host'/>
<readonly/>
</filesystem>
<filesystem type='file' accessmode='passthrough'>
<driver type='loop' format='raw'/>
<source file='/export/to/guest.img'/>
@ -3140,6 +3146,13 @@ A directory on the host that can be accessed directly from the guest.
"virtio-non-transitional", or "virtio". See `Virtio transitional
devices <#elementsVirtioTransitional>`__ for more details.
The filesystem element has optional attributes ``fmode`` and ``dmode``.
These two attributes control the creation mode for files and directories
when used with the ``mapped`` value for ``accessmode`` (:since:`since 6.10.0,
requires QEMU 2.10` ). If not specified, QEMU creates files with mode
``600`` and directories with mode ``700``. The setuid, setgid, and sticky
bit are unsupported.
The filesystem element has an optional attribute ``multidevs`` which
specifies how to deal with a filesystem export containing more than one
device, in order to avoid file ID collisions on guest when using 9pfs (