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9p: documentation update

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This patch adds documentation for new 9P options introduced in
2.6.34.

Signed-off-by: Sripathi Kodi <sripathik@in.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
This commit is contained in:
Sripathi Kodi
2010-03-18 08:01:33 +00:00
committed by Eric Van Hensbergen
parent 476ada0436
commit 9208d24253
1 changed files with 16 additions and 2 deletions
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18
Documentation/filesystems/9p.txt
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@@ -37,6 +37,15 @@ For Plan 9 From User Space applications (http://swtch.com/plan9)
mount -t 9p `namespace`/acme /mnt/9 -o trans=unix,uname=$USER mount -t 9p `namespace`/acme /mnt/9 -o trans=unix,uname=$USER
For server running on QEMU host with virtio transport:
mount -t 9p -o trans=virtio <mount_tag> /mnt/9
where mount_tag is the tag associated by the server to each of the exported
mount points. Each 9P export is seen by the client as a virtio device with an
associated "mount_tag" property. Available mount tags can be
seen by reading /sys/bus/virtio/drivers/9pnet_virtio/virtio<n>/mount_tag files.
OPTIONS OPTIONS
======= =======
@@ -47,7 +56,7 @@ OPTIONS
fd - used passed file descriptors for connection fd - used passed file descriptors for connection
(see rfdno and wfdno) (see rfdno and wfdno)
virtio - connect to the next virtio channel available virtio - connect to the next virtio channel available
(from lguest or KVM with trans_virtio module) (from QEMU with trans_virtio module)
rdma - connect to a specified RDMA channel rdma - connect to a specified RDMA channel
uname=name user name to attempt mount as on the remote server. The uname=name user name to attempt mount as on the remote server. The
@@ -85,7 +94,12 @@ OPTIONS
port=n port to connect to on the remote server port=n port to connect to on the remote server
noextend force legacy mode (no 9p2000.u semantics) noextend force legacy mode (no 9p2000.u or 9p2000.L semantics)
version=name Select 9P protocol version. Valid options are:
9p2000 - Legacy mode (same as noextend)
9p2000.u - Use 9P2000.u protocol
9p2000.L - Use 9P2000.L protocol
dfltuid attempt to mount as a particular uid dfltuid attempt to mount as a particular uid