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authorDominique Martinet <dominique.martinet@cea.fr>2014-01-10 13:44:09 +0100
committerEric Van Hensbergen <ericvh@gmail.com>2014-01-10 09:20:51 -0600
commitfb89b45cdfdc8bdab93986f1bc1474e313295c31 (patch)
treec19ec0f84315c6dc77ca2447f58e2508b76ce88a /fs/9p/v9fs.h
parentf94741fd2832e7abc30fbf6dc13ed627c1fcc01a (diff)
downloadblackbird-op-linux-fb89b45cdfdc8bdab93986f1bc1474e313295c31.tar.gz
blackbird-op-linux-fb89b45cdfdc8bdab93986f1bc1474e313295c31.zip
9P: introduction of a new cache=mmap model.
- Add cache=mmap option - Make mmap read-write while keeping it as synchronous as possible - Build writeback fid on mmap creation if it is writable Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Diffstat (limited to 'fs/9p/v9fs.h')
-rw-r--r--fs/9p/v9fs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h
index a8e127c89627..099c7712631c 100644
--- a/fs/9p/v9fs.h
+++ b/fs/9p/v9fs.h
@@ -64,6 +64,7 @@ enum p9_session_flags {
enum p9_cache_modes {
CACHE_NONE,
+ CACHE_MMAP,
CACHE_LOOSE,
CACHE_FSCACHE,
};
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