diff options
| author | Krishna Gudipati <kgudipat@brocade.com> | 2011-07-21 04:02:11 +0400 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2011-07-27 14:48:52 +0400 |
| commit | 37ea0558b87abb151245bc750070a4dcda490aca (patch) | |
| tree | 352d00d22b8f9c91ace2dc8d72dc465deb6ffa7b /drivers/scsi/bfa/bfa_core.c | |
| parent | 42a8e6e298f39518445785c53a16357267db37ef (diff) | |
| download | linux-37ea0558b87abb151245bc750070a4dcda490aca.tar.xz | |
[SCSI] bfa: Added support to collect and reset fcport stats
- Added support to collect and reset fcport stats.
- Modified design to allow multiple requests for fcport stats.
- fcport will remember the stats request in its stats_pending
queue and service each of the queued requests after receiving
a firmware response for the prior request.
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/bfa/bfa_core.c')
| -rw-r--r-- | drivers/scsi/bfa/bfa_core.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/scsi/bfa/bfa_core.c b/drivers/scsi/bfa/bfa_core.c index 0c236964c67e..4613bddd58e4 100644 --- a/drivers/scsi/bfa/bfa_core.c +++ b/drivers/scsi/bfa/bfa_core.c @@ -1533,10 +1533,17 @@ bfa_comp_process(struct bfa_s *bfa, struct list_head *comp_q) struct list_head *qe; struct list_head *qen; struct bfa_cb_qe_s *hcb_qe; + bfa_cb_cbfn_status_t cbfn; list_for_each_safe(qe, qen, comp_q) { hcb_qe = (struct bfa_cb_qe_s *) qe; - hcb_qe->cbfn(hcb_qe->cbarg, BFA_TRUE); + if (hcb_qe->pre_rmv) { + /* qe is invalid after return, dequeue before cbfn() */ + list_del(qe); + cbfn = (bfa_cb_cbfn_status_t)(hcb_qe->cbfn); + cbfn(hcb_qe->cbarg, hcb_qe->fw_status); + } else + hcb_qe->cbfn(hcb_qe->cbarg, BFA_TRUE); } } @@ -1549,6 +1556,7 @@ bfa_comp_free(struct bfa_s *bfa, struct list_head *comp_q) while (!list_empty(comp_q)) { bfa_q_deq(comp_q, &qe); hcb_qe = (struct bfa_cb_qe_s *) qe; + WARN_ON(hcb_qe->pre_rmv); hcb_qe->cbfn(hcb_qe->cbarg, BFA_FALSE); } } |