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authorDavid Howells <dhowells@redhat.com>2017-07-05 16:25:37 +0100
committerAl Viro <viro@zeniv.linux.org.uk>2017-07-11 06:08:58 -0400
commitc4fac9100456995c10b65c13be84554258ed7fc8 (patch)
treeea395c955dfac2337eff1a4608caea5f3a26701b /fs/9p/v9fs.h
parent86a1da6d30ad727c2a9cc5d6a51bff6d830036b5 (diff)
downloadlinux-c4fac9100456995c10b65c13be84554258ed7fc8.tar.bz2
9p: Implement show_options
Implement the show_options superblock op for 9p as part of a bid to get rid of s_options and generic_show_options() to make it easier to implement a context-based mount where the mount options can be passed individually over a file descriptor. Signed-off-by: David Howells <dhowells@redhat.com> cc: Eric Van Hensbergen <ericvh@gmail.com> cc: Ron Minnich <rminnich@sandia.gov> cc: Latchesar Ionkov <lucho@ionkov.net> cc: v9fs-developer@lists.sourceforge.net Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/9p/v9fs.h')
-rw-r--r--fs/9p/v9fs.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h
index 76eaf49abd3a..982e017acadb 100644
--- a/fs/9p/v9fs.h
+++ b/fs/9p/v9fs.h
@@ -67,6 +67,7 @@ enum p9_cache_modes {
CACHE_MMAP,
CACHE_LOOSE,
CACHE_FSCACHE,
+ nr__p9_cache_modes
};
/**
@@ -137,6 +138,8 @@ static inline struct v9fs_inode *V9FS_I(const struct inode *inode)
return container_of(inode, struct v9fs_inode, vfs_inode);
}
+extern int v9fs_show_options(struct seq_file *m, struct dentry *root);
+
struct p9_fid *v9fs_session_init(struct v9fs_session_info *, const char *,
char *);
extern void v9fs_session_close(struct v9fs_session_info *v9ses);