[PATCH v2] staging: lustre: Replace a bit shift by a use of BIT.

From: Arushi Singhal
Date: Wed Mar 22 2017 - 11:54:59 EST


This patch replaces bit shifting on 1 with the BIT(x) macro.
This was done with coccinelle:
@@
constant c;
@@

-1 << c
+BIT(c)

Signed-off-by: Arushi Singhal <arushisinghal19971997@xxxxxxxxx>
---
changes in v2
- remove the unnecessary parenthesis.
- removethe wrong changes.

drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c | 8 ++++----
drivers/staging/lustre/lnet/lnet/lib-ptl.c | 2 +-
drivers/staging/lustre/lustre/llite/lproc_llite.c | 2 +-
3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
index eaa4399e6a2e..2b93ceaa2844 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
@@ -1906,14 +1906,14 @@ ksocknal_connect(struct ksock_route *route)
if (retry_later) /* needs reschedule */
break;

- if (wanted & (1 << SOCKLND_CONN_ANY)) {
+ if (wanted & BIT(SOCKLND_CONN_ANY)) {
type = SOCKLND_CONN_ANY;
- } else if (wanted & (1 << SOCKLND_CONN_CONTROL)) {
+ } else if (wanted & BIT(SOCKLND_CONN_CONTROL)) {
type = SOCKLND_CONN_CONTROL;
- } else if (wanted & (1 << SOCKLND_CONN_BULK_IN)) {
+ } else if (wanted & BIT(SOCKLND_CONN_BULK_IN)) {
type = SOCKLND_CONN_BULK_IN;
} else {
- LASSERT(wanted & (1 << SOCKLND_CONN_BULK_OUT));
+ LASSERT(wanted & BIT(SOCKLND_CONN_BULK_OUT));
type = SOCKLND_CONN_BULK_OUT;
}

diff --git a/drivers/staging/lustre/lnet/lnet/lib-ptl.c b/drivers/staging/lustre/lnet/lnet/lib-ptl.c
index 63cce0c4a065..33332724ab94 100644
--- a/drivers/staging/lustre/lnet/lnet/lib-ptl.c
+++ b/drivers/staging/lustre/lnet/lnet/lib-ptl.c
@@ -334,7 +334,7 @@ lnet_mt_test_exhausted(struct lnet_match_table *mtable, int pos)
bmap = &mtable->mt_exhausted[pos >> LNET_MT_BITS_U64];
pos &= (1 << LNET_MT_BITS_U64) - 1;

- return (*bmap & (1ULL << pos));
+ return (*bmap & BIT(pos));
}

static void
diff --git a/drivers/staging/lustre/lustre/llite/lproc_llite.c b/drivers/staging/lustre/lustre/llite/lproc_llite.c
index 40f1fcf8b5c0..c742cba60199 100644
--- a/drivers/staging/lustre/lustre/llite/lproc_llite.c
+++ b/drivers/staging/lustre/lustre/llite/lproc_llite.c
@@ -1308,7 +1308,7 @@ static void ll_display_extents_info(struct ll_rw_extents_info *io_extents,
r, pct(r, read_tot), pct(read_cum, read_tot),
w, pct(w, write_tot), pct(write_cum, write_tot));
start = end;
- if (start == 1 << 10) {
+ if (start == 1024) {
start = 1;
units += 10;
unitp++;
--
2.11.0