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| author | Sage Weil <sage@newdream.net> | 2011-06-03 09:37:09 -0700 |
|---|---|---|
| committer | Sage Weil <sage@newdream.net> | 2011-06-07 21:34:13 -0700 |
| commit | 2584547230ae49b8de91ab3bb5e0a81898905b45 (patch) | |
| tree | 1f00818bc7075e0898998d4e05c0cd08dd3d85d0 /net | |
| parent | 70b666c3b4cb2b96098d80e6f515e4bc6d37db5a (diff) | |
| download | linux-stable-2584547230ae49b8de91ab3bb5e0a81898905b45.tar.gz linux-stable-2584547230ae49b8de91ab3bb5e0a81898905b45.tar.bz2 linux-stable-2584547230ae49b8de91ab3bb5e0a81898905b45.zip | |
ceph: fix sync vs canceled write
If we cancel a write, trigger the safe completions to prevent a sync from
blocking indefinitely in ceph_osdc_sync().
Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ceph/osd_client.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 6ea2b892f44b..9cb627a4073a 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -1144,6 +1144,13 @@ static void handle_osds_timeout(struct work_struct *work) round_jiffies_relative(delay)); } +static void complete_request(struct ceph_osd_request *req) +{ + if (req->r_safe_callback) + req->r_safe_callback(req, NULL); + complete_all(&req->r_safe_completion); /* fsync waiter */ +} + /* * handle osd op reply. either call the callback if it is specified, * or do the completion to wake up the waiting thread. @@ -1226,11 +1233,8 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg, else complete_all(&req->r_completion); - if (flags & CEPH_OSD_FLAG_ONDISK) { - if (req->r_safe_callback) - req->r_safe_callback(req, msg); - complete_all(&req->r_safe_completion); /* fsync waiter */ - } + if (flags & CEPH_OSD_FLAG_ONDISK) + complete_request(req); done: dout("req=%p req->r_linger=%d\n", req, req->r_linger); @@ -1732,6 +1736,7 @@ int ceph_osdc_wait_request(struct ceph_osd_client *osdc, __cancel_request(req); __unregister_request(osdc, req); mutex_unlock(&osdc->request_mutex); + complete_request(req); dout("wait_request tid %llu canceled/timed out\n", req->r_tid); return rc; } |