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Subject[PATCH 16/29] scsi: rename random32() to prandom_u32()
Date
Use more preferable function name which implies using a pseudo-random
number generator.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: "James E.J. Bottomley" <JBottomley@parallels.com>
Cc: Robert Love <robert.w.love@intel.com>
Cc: devel@open-fcoe.org
Cc: James Smart <james.smart@emulex.com>
Cc: Andrew Vasquez <andrew.vasquez@qlogic.com>
Cc: linux-driver@qlogic.com
Cc: linux-scsi@vger.kernel.org
---
drivers/scsi/fcoe/fcoe_ctlr.c | 4 ++--
drivers/scsi/lpfc/lpfc_hbadisc.c | 6 +++---
drivers/scsi/qla2xxx/qla_attr.c | 7 +++++--
3 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/drivers/scsi/fcoe/fcoe_ctlr.c b/drivers/scsi/fcoe/fcoe_ctlr.c
index 4a909d7..d870ccc 100644
--- a/drivers/scsi/fcoe/fcoe_ctlr.c
+++ b/drivers/scsi/fcoe/fcoe_ctlr.c
@@ -2153,7 +2153,7 @@ static void fcoe_ctlr_vn_restart(struct fcoe_ctlr *fip)

if (fip->probe_tries < FIP_VN_RLIM_COUNT) {
fip->probe_tries++;
- wait = random32() % FIP_VN_PROBE_WAIT;
+ wait = prandom_u32() % FIP_VN_PROBE_WAIT;
} else
wait = FIP_VN_RLIM_INT;
mod_timer(&fip->timer, jiffies + msecs_to_jiffies(wait));
@@ -2786,7 +2786,7 @@ static void fcoe_ctlr_vn_timeout(struct fcoe_ctlr *fip)
fcoe_all_vn2vn, 0);
fip->port_ka_time = jiffies +
msecs_to_jiffies(FIP_VN_BEACON_INT +
- (random32() % FIP_VN_BEACON_FUZZ));
+ (prandom_u32() % FIP_VN_BEACON_FUZZ));
}
if (time_before(fip->port_ka_time, next_time))
next_time = fip->port_ka_time;
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index d7096ad..bfda184 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -1732,7 +1732,7 @@ lpfc_check_pending_fcoe_event(struct lpfc_hba *phba, uint8_t unreg_fcf)
* use through a sequence of @fcf_cnt eligible FCF records with equal
* probability. To perform integer manunipulation of random numbers with
* size unit32_t, the lower 16 bits of the 32-bit random number returned
- * from random32() are taken as the random random number generated.
+ * from prandom_u32() are taken as the random random number generated.
*
* Returns true when outcome is for the newly read FCF record should be
* chosen; otherwise, return false when outcome is for keeping the previously
@@ -1744,7 +1744,7 @@ lpfc_sli4_new_fcf_random_select(struct lpfc_hba *phba, uint32_t fcf_cnt)
uint32_t rand_num;

/* Get 16-bit uniform random number */
- rand_num = (0xFFFF & random32());
+ rand_num = 0xFFFF & prandom_u32();

/* Decision with probability 1/fcf_cnt */
if ((fcf_cnt * rand_num) < 0xFFFF)
@@ -2380,7 +2380,7 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
phba->fcf.eligible_fcf_cnt = 1;
/* Seeding the random number generator for random selection */
seed = (uint32_t)(0xFFFFFFFF & jiffies);
- srandom32(seed);
+ prandom_seed(seed);
}
spin_unlock_irq(&phba->hbalock);
goto read_next_fcf;
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 83d7984..3658e9f 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1933,8 +1933,11 @@ qla24xx_vport_delete(struct fc_vport *fc_vport)

/* No pending activities shall be there on the vha now */
if (ql2xextended_error_logging & ql_dbg_user)
- msleep(random32()%10); /* Just to see if something falls on
- * the net we have placed below */
+ msleep(prandom_u32() % 10);
+ /*
+ * Just to see if something falls on the net we have placed
+ * below
+ */

BUG_ON(atomic_read(&vha->vref_count));

--
1.7.11.7


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