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| author | Tejun Heo <tj@kernel.org> | 2008-09-24 16:22:23 -0500 |
|---|---|---|
| committer | Eric Van Hensbergen <ericvh@ericvh-desktop.austin.ibm.com> | 2008-09-24 16:22:23 -0500 |
| commit | 72029fe85d8d060b3f966f2dbc36b3c75b5a6532 (patch) | |
| tree | ef8948240b0aff2a366136a8303afc70e6c84da8 /fs/direct-io.c | |
| parent | 72d31053f62c4bc464c2783974926969614a8649 (diff) | |
| download | op-kernel-dev-72029fe85d8d060b3f966f2dbc36b3c75b5a6532.zip op-kernel-dev-72029fe85d8d060b3f966f2dbc36b3c75b5a6532.tar.gz | |
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 'fs/direct-io.c')
0 files changed, 0 insertions, 0 deletions
