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authorTejun Heo <tj@kernel.org>2008-09-24 17:22:23 -0400
committerEric Van Hensbergen <ericvh@ericvh-desktop.austin.ibm.com>2008-09-24 17:22:23 -0400
commit72029fe85d8d060b3f966f2dbc36b3c75b5a6532 (patch)
treeef8948240b0aff2a366136a8303afc70e6c84da8 /include/net/9p/9p.h
parent72d31053f62c4bc464c2783974926969614a8649 (diff)
9p: implement proper trans module refcounting and unregistration
9p trans modules aren't refcounted nor were they unregistered properly. Fix it. * Add 9p_trans_module->owner and reference the module on each trans instance creation and put it on destruction. * Protect v9fs_trans_list with a spinlock. This isn't strictly necessary as the list is manipulated only during module loading / unloading but it's a good idea to make the API safe. * Unregister trans modules when the corresponding module is being unloaded. * While at it, kill unnecessary EXPORT_SYMBOL on p9_trans_fd_init(). Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Diffstat (limited to 'include/net/9p/9p.h')
-rw-r--r--include/net/9p/9p.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h
index b3d3e27c6299..c3626c0ba9d3 100644
--- a/include/net/9p/9p.h
+++ b/include/net/9p/9p.h
@@ -596,4 +596,5 @@ int p9_idpool_check(int id, struct p9_idpool *p);
596int p9_error_init(void); 596int p9_error_init(void);
597int p9_errstr2errno(char *, int); 597int p9_errstr2errno(char *, int);
598int p9_trans_fd_init(void); 598int p9_trans_fd_init(void);
599void p9_trans_fd_exit(void);
599#endif /* NET_9P_H */ 600#endif /* NET_9P_H */