| commit | e4a683c899cd5a49f8d684a054c95bd115a0c005 | [log] [tgz] |
|---|---|---|
| author | Jerome Marchand <jmarchan@redhat.com> | Wed Jan 05 16:57:37 2011 +0100 |
| committer | Jens Axboe <jaxboe@fusionio.com> | Wed Jan 05 16:57:37 2011 +0100 |
| tree | c7e79e24199a5ed34a488b06cfd3fa890637db7d | |
| parent | a6e8dc46ff0b7defbfa4f29a71aee263377ec573 [diff] |
kref: add kref_test_and_get Add kref_test_and_get() function, which atomically add a reference only if refcount is not zero. This prevent to add a reference to an object that is already being removed. Signed-off-by: Jerome Marchand <jmarchan@redhat.com> Cc: stable@kernel.org Signed-off-by: Jens Axboe <jaxboe@fusionio.com>