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    Subject[PATCH] fs/9p: Add new options to Documentation
    Need to update the documentation for new mount flags
    and cache modes.

    Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
    ---
    Documentation/filesystems/9p.rst | 29 ++++++++++++++++-------------
    1 file changed, 16 insertions(+), 13 deletions(-)

    diff --git a/Documentation/filesystems/9p.rst b/Documentation/filesystems/9p.rst
    index 0e800b8f73cc..6d257854a02a 100644
    --- a/Documentation/filesystems/9p.rst
    +++ b/Documentation/filesystems/9p.rst
    @@ -78,19 +78,18 @@ Options
    offering several exported file systems.

    cache=mode specifies a caching policy. By default, no caches are used.
    -
    - none
    - default no cache policy, metadata and data
    - alike are synchronous.
    - loose
    - no attempts are made at consistency,
    - intended for exclusive, read-only mounts
    - fscache
    - use FS-Cache for a persistent, read-only
    - cache backend.
    - mmap
    - minimal cache that is only used for read-write
    - mmap. Northing else is cached, like cache=none
    + Modes are progressive and inclusive. For example, specifying fscache
    + will use loose caches, writeback, and readahead. Due to their
    + inclusive nature, only one cache mode can be specified per mount.
    +
    + ========= =============================================
    + none no cache of file or metadata
    + readahead readahead caching of files
    + writeback delayed writeback of files
    + mmap support mmap operations read/write with cache
    + loose meta-data and file cache with no coherency
    + fscache use FS-Cache for a persistent cache backend
    + ========= =============================================

    debug=n specifies debug level. The debug level is a bitmask.

    @@ -137,6 +136,10 @@ Options
    This can be used to share devices/named pipes/sockets between
    hosts. This functionality will be expanded in later versions.

    + directio bypass page cache on all read/write operations
    +
    + ignoreqv ignore qid.version==0 as a marker to ignore cache
    +
    noxattr do not offer xattr functions on this mount.

    access there are four access modes.
    --
    2.39.2
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