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| author | Ilya Dryomov <ilya.dryomov@inktank.com> | 2014-06-20 14:14:42 +0400 |
|---|---|---|
| committer | Ilya Dryomov <ilya.dryomov@inktank.com> | 2014-07-08 15:08:43 +0400 |
| commit | 6562d661d205ff9bd855345d6424b9fb07adaf62 (patch) | |
| tree | 8cfb45d6aa665360d1044609f3a4caee667b3e69 /net/ceph | |
| parent | 9e94af202afd961da39f82b55ba83edd4ad30e98 (diff) | |
| download | linux-6562d661d205ff9bd855345d6424b9fb07adaf62.tar.gz linux-6562d661d205ff9bd855345d6424b9fb07adaf62.tar.bz2 linux-6562d661d205ff9bd855345d6424b9fb07adaf62.zip | |
libceph: harden ceph_osdc_request_release() a bit
Add some WARN_ONs to alert us when we try to destroy requests that are
still registered.
Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Diffstat (limited to 'net/ceph')
| -rw-r--r-- | net/ceph/osd_client.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 7406046212dc..052eb8bfcc74 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -305,6 +305,12 @@ static void ceph_osdc_release_request(struct kref *kref) dout("%s %p (r_request %p r_reply %p)\n", __func__, req, req->r_request, req->r_reply); + WARN_ON(!RB_EMPTY_NODE(&req->r_node)); + WARN_ON(!list_empty(&req->r_req_lru_item)); + WARN_ON(!list_empty(&req->r_osd_item)); + WARN_ON(!list_empty(&req->r_linger_item)); + WARN_ON(!list_empty(&req->r_linger_osd_item)); + WARN_ON(req->r_osd); if (req->r_request) ceph_msg_put(req->r_request); @@ -1204,6 +1210,7 @@ static void __unregister_request(struct ceph_osd_client *osdc, dout("__unregister_request %p tid %lld\n", req, req->r_tid); rb_erase(&req->r_node, &osdc->requests); + RB_CLEAR_NODE(&req->r_node); osdc->num_requests--; if (req->r_osd) { |