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scsi: rename random32() to prandom_u32()

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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>
This commit is contained in:
Akinobu Mita 2013-04-29 16:21:35 -07:00 committed by Linus Torvalds
parent 10fdc14112
commit 3b60a64fcc
2 changed files with 5 additions and 5 deletions
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4
drivers/scsi/fcoe/fcoe_ctlr.c
View 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;

6
drivers/scsi/lpfc/lpfc_hbadisc.c
View 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;