[PATCH 1/6] staging: lustre: use min/max instead of MIN/MAX, simple cases

From: Jeremiah Mahler
Date: Thu Dec 25 2014 - 19:06:15 EST


Custom MIN/MAX operations are being used which are not as robust
as the built in min/max operations which will warn about potentially
problematic type comparisons.

For the simple cases, where no type warning is produced, simply
replace MIN/MAX with min/max.

Signed-off-by: Jeremiah Mahler <jmmahler@xxxxxxxxx>
---
drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c | 2 +-
drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c | 2 +-
drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c | 4 ++--
drivers/staging/lustre/lnet/lnet/lib-move.c | 12 ++++++------
drivers/staging/lustre/lnet/lnet/router.c | 4 ++--
drivers/staging/lustre/lnet/selftest/conrpc.h | 2 +-
drivers/staging/lustre/lnet/selftest/rpc.c | 4 ++--
drivers/staging/lustre/lustre/libcfs/linux/linux-tracefile.c | 2 +-
8 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
index b48d7ed..74df2af 100644
--- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
+++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
@@ -1125,7 +1125,7 @@ kiblnd_init_rdma (kib_conn_t *conn, kib_tx_t *tx, int type,
break;
}

- wrknob = MIN(MIN(kiblnd_rd_frag_size(srcrd, srcidx),
+ wrknob = min(min(kiblnd_rd_frag_size(srcrd, srcidx),
kiblnd_rd_frag_size(dstrd, dstidx)), resid);

sge = &tx->tx_sge[tx->tx_nwrq];
diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c
index 9188b34..5956dba 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c
@@ -773,7 +773,7 @@ ksocknal_select_ips(ksock_peer_t *peer, __u32 *peerips, int n_peerips)
/* Only match interfaces for additional connections
* if I have > 1 interface */
n_ips = (net->ksnn_ninterfaces < 2) ? 0 :
- MIN(n_peerips, net->ksnn_ninterfaces);
+ min(n_peerips, net->ksnn_ninterfaces);

for (i = 0; peer->ksnp_n_passive_ips < n_ips; i++) {
/* ^ yes really... */
diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
index e6c1d36..95f1e17 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
@@ -1950,10 +1950,10 @@ ksocknal_connect (ksock_route_t *route)
/* This is a retry rather than a new connection */
route->ksnr_retry_interval *= 2;
route->ksnr_retry_interval =
- MAX(route->ksnr_retry_interval,
+ max(route->ksnr_retry_interval,
cfs_time_seconds(*ksocknal_tunables.ksnd_min_reconnectms)/1000);
route->ksnr_retry_interval =
- MIN(route->ksnr_retry_interval,
+ min(route->ksnr_retry_interval,
cfs_time_seconds(*ksocknal_tunables.ksnd_max_reconnectms)/1000);

LASSERT (route->ksnr_retry_interval != 0);
diff --git a/drivers/staging/lustre/lnet/lnet/lib-move.c b/drivers/staging/lustre/lnet/lnet/lib-move.c
index c8c1ed8..706c5ee 100644
--- a/drivers/staging/lustre/lnet/lnet/lib-move.c
+++ b/drivers/staging/lustre/lnet/lnet/lib-move.c
@@ -201,9 +201,9 @@ lnet_copy_iov2iov(unsigned int ndiov, struct iovec *diov, unsigned int doffset,
do {
LASSERT(ndiov > 0);
LASSERT(nsiov > 0);
- this_nob = MIN(diov->iov_len - doffset,
+ this_nob = min(diov->iov_len - doffset,
siov->iov_len - soffset);
- this_nob = MIN(this_nob, nob);
+ this_nob = min(this_nob, nob);

memcpy((char *)diov->iov_base + doffset,
(char *)siov->iov_base + soffset, this_nob);
@@ -322,9 +322,9 @@ lnet_copy_kiov2kiov(unsigned int ndiov, lnet_kiov_t *diov, unsigned int doffset,
do {
LASSERT(ndiov > 0);
LASSERT(nsiov > 0);
- this_nob = MIN(diov->kiov_len - doffset,
+ this_nob = min(diov->kiov_len - doffset,
siov->kiov_len - soffset);
- this_nob = MIN(this_nob, nob);
+ this_nob = min(this_nob, nob);

if (daddr == NULL)
daddr = ((char *)kmap(diov->kiov_page)) +
@@ -405,7 +405,7 @@ lnet_copy_kiov2iov(unsigned int niov, struct iovec *iov, unsigned int iovoffset,
LASSERT(nkiov > 0);
this_nob = MIN(iov->iov_len - iovoffset,
kiov->kiov_len - kiovoffset);
- this_nob = MIN(this_nob, nob);
+ this_nob = min(this_nob, nob);

if (addr == NULL)
addr = ((char *)kmap(kiov->kiov_page)) +
@@ -476,7 +476,7 @@ lnet_copy_iov2kiov(unsigned int nkiov, lnet_kiov_t *kiov,
LASSERT(niov > 0);
this_nob = MIN(kiov->kiov_len - kiovoffset,
iov->iov_len - iovoffset);
- this_nob = MIN(this_nob, nob);
+ this_nob = min(this_nob, nob);

if (addr == NULL)
addr = ((char *)kmap(kiov->kiov_page)) +
diff --git a/drivers/staging/lustre/lnet/lnet/router.c b/drivers/staging/lustre/lnet/lnet/router.c
index c667b5b..b43e110 100644
--- a/drivers/staging/lustre/lnet/lnet/router.c
+++ b/drivers/staging/lustre/lnet/lnet/router.c
@@ -793,7 +793,7 @@ lnet_update_ni_status_locked(void)
LASSERT(the_lnet.ln_routing);

timeout = router_ping_timeout +
- MAX(live_router_check_interval, dead_router_check_interval);
+ max(live_router_check_interval, dead_router_check_interval);

now = get_seconds();
list_for_each_entry(ni, &the_lnet.ln_nis, ni_list) {
@@ -1593,7 +1593,7 @@ lnet_router_checker (void)
return;

if (last != 0 &&
- interval > MAX(live_router_check_interval,
+ interval > max(live_router_check_interval,
dead_router_check_interval))
CNETERR("Checker(%d/%d) not called for %d seconds\n",
live_router_check_interval, dead_router_check_interval,
diff --git a/drivers/staging/lustre/lnet/selftest/conrpc.h b/drivers/staging/lustre/lnet/selftest/conrpc.h
index fc1cb56..2353889 100644
--- a/drivers/staging/lustre/lnet/selftest/conrpc.h
+++ b/drivers/staging/lustre/lnet/selftest/conrpc.h
@@ -54,7 +54,7 @@
#define LST_TRANS_TIMEOUT 30
#define LST_TRANS_MIN_TIMEOUT 3

-#define LST_VALIDATE_TIMEOUT(t) MIN(MAX(t, LST_TRANS_MIN_TIMEOUT), LST_TRANS_TIMEOUT)
+#define LST_VALIDATE_TIMEOUT(t) min(max(t, LST_TRANS_MIN_TIMEOUT), LST_TRANS_TIMEOUT)

#define LST_PING_INTERVAL 8

diff --git a/drivers/staging/lustre/lnet/selftest/rpc.c b/drivers/staging/lustre/lnet/selftest/rpc.c
index f753add..b602077 100644
--- a/drivers/staging/lustre/lnet/selftest/rpc.c
+++ b/drivers/staging/lustre/lnet/selftest/rpc.c
@@ -559,7 +559,7 @@ srpc_add_buffer(struct swi_workitem *wi)
LASSERT(scd->scd_buf_posting > 0);
scd->scd_buf_posting--;
scd->scd_buf_total++;
- scd->scd_buf_low = MAX(2, scd->scd_buf_total / 4);
+ scd->scd_buf_low = max(2, scd->scd_buf_total / 4);
}

if (rc != 0) {
@@ -1486,7 +1486,7 @@ srpc_lnet_ev_handler(lnet_event_t *ev)
if (scd->scd_buf_err == 0 && /* adding buffer is enabled */
scd->scd_buf_adjust == 0 &&
scd->scd_buf_nposted < scd->scd_buf_low) {
- scd->scd_buf_adjust = MAX(scd->scd_buf_total / 2,
+ scd->scd_buf_adjust = max(scd->scd_buf_total / 2,
SFW_TEST_WI_MIN);
swi_schedule_workitem(&scd->scd_buf_wi);
}
diff --git a/drivers/staging/lustre/lustre/libcfs/linux/linux-tracefile.c b/drivers/staging/lustre/lustre/libcfs/linux/linux-tracefile.c
index 976c61e..fdc7189 100644
--- a/drivers/staging/lustre/lustre/libcfs/linux/linux-tracefile.c
+++ b/drivers/staging/lustre/lustre/libcfs/linux/linux-tracefile.c
@@ -269,5 +269,5 @@ int cfs_trace_max_debug_mb(void)
{
int total_mb = (totalram_pages >> (20 - PAGE_SHIFT));

- return MAX(512, (total_mb * 80)/100);
+ return max(512, (total_mb * 80)/100);
}
--
2.1.4

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