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| author | Joe Eykholt <jeykholt@cisco.com> | 2010-11-30 16:20:12 -0800 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-12-21 12:24:34 -0600 |
| commit | ba9cd5d095b42271588c20ccd6ddd561d0e4cc1e (patch) | |
| tree | 81b1f70e4a411c7e9d1415016a67e549394f430a /drivers | |
| parent | 981c1154b240ee77133a478fcd3853ac18111672 (diff) | |
| download | linux-3.10-ba9cd5d095b42271588c20ccd6ddd561d0e4cc1e.tar.gz linux-3.10-ba9cd5d095b42271588c20ccd6ddd561d0e4cc1e.tar.bz2 linux-3.10-ba9cd5d095b42271588c20ccd6ddd561d0e4cc1e.zip | |
[SCSI] libfcoe: change fip_select to return new FCF
Neaten several calls to fip_select() by having it return the
pointer to the new FCF.
Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/fcoe/libfcoe.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c index 1a0bb230dd0..625c6be2539 100644 --- a/drivers/scsi/fcoe/libfcoe.c +++ b/drivers/scsi/fcoe/libfcoe.c @@ -55,7 +55,6 @@ static void fcoe_ctlr_timeout(unsigned long); static void fcoe_ctlr_timer_work(struct work_struct *); static void fcoe_ctlr_recv_work(struct work_struct *); static int fcoe_ctlr_flogi_retry(struct fcoe_ctlr *); -static void fcoe_ctlr_select(struct fcoe_ctlr *); static void fcoe_ctlr_vn_start(struct fcoe_ctlr *); static int fcoe_ctlr_vn_recv(struct fcoe_ctlr *, struct sk_buff *); @@ -1398,6 +1397,8 @@ drop: * fcoe_ctlr_select() - Select the best FCF (if possible) * @fip: The FCoE controller * + * Returns the selected FCF, or NULL if none are usable. + * * If there are conflicting advertisements, no FCF can be chosen. * * If there is already a selected FCF, this will choose a better one or @@ -1405,7 +1406,7 @@ drop: * * Called with lock held. */ -static void fcoe_ctlr_select(struct fcoe_ctlr *fip) +static struct fcoe_fcf *fcoe_ctlr_select(struct fcoe_ctlr *fip) { struct fcoe_fcf *fcf; struct fcoe_fcf *best = fip->sel_fcf; @@ -1450,6 +1451,7 @@ static void fcoe_ctlr_select(struct fcoe_ctlr *fip) if (time_before(fip->ctlr_ka_time, fip->timer.expires)) mod_timer(&fip->timer, fip->ctlr_ka_time); } + return best; } /** @@ -1507,8 +1509,7 @@ static int fcoe_ctlr_flogi_retry(struct fcoe_ctlr *fip) mutex_lock(&fip->ctlr_mutex); spin_lock_bh(&fip->ctlr_lock); LIBFCOE_FIP_DBG(fip, "re-sending FLOGI - reselect\n"); - fcoe_ctlr_select(fip); - fcf = fip->sel_fcf; + fcf = fcoe_ctlr_select(fip); if (!fcf || fcf->flogi_sent) { kfree_skb(fip->flogi_req); fip->flogi_req = NULL; @@ -1548,14 +1549,12 @@ static void fcoe_ctlr_flogi_send(struct fcoe_ctlr *fip) */ if (fcf->flogi_sent) { LIBFCOE_FIP_DBG(fip, "sending FLOGI - reselect\n"); - fcoe_ctlr_select(fip); - fcf = fip->sel_fcf; + fcf = fcoe_ctlr_select(fip); if (!fcf || fcf->flogi_sent) { LIBFCOE_FIP_DBG(fip, "sending FLOGI - clearing\n"); list_for_each_entry(fcf, &fip->fcfs, list) fcf->flogi_sent = 0; - fcoe_ctlr_select(fip); - fcf = fip->sel_fcf; + fcf = fcoe_ctlr_select(fip); } } if (fcf) { @@ -1612,8 +1611,7 @@ static void fcoe_ctlr_timer_work(struct work_struct *work) sel = fip->sel_fcf; if (!sel && fip->sel_time) { if (time_after_eq(jiffies, fip->sel_time)) { - fcoe_ctlr_select(fip); - sel = fip->sel_fcf; + sel = fcoe_ctlr_select(fip); fip->sel_time = 0; } else if (time_after(next_timer, fip->sel_time)) next_timer = fip->sel_time; |