scsi: rename random32() to prandom_u32()
Akinobu Mita [Mon, 29 Apr 2013 23:21:35 +0000 (16:21 -0700)]
Use 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: James Smart <james.smart@emulex.com>
Cc: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/scsi/fcoe/fcoe_ctlr.c
drivers/scsi/lpfc/lpfc_hbadisc.c

index a762472..cd743c5 100644 (file)
@@ -2161,7 +2161,7 @@ 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));
@@ -2794,7 +2794,7 @@ 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;
index d7096ad..bfda184 100644 (file)
@@ -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;