aboutsummaryrefslogtreecommitdiff
path: root/fs/dlm/lock.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/dlm/lock.c')
-rw-r--r--fs/dlm/lock.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index 9d26b3a3967..eac54d230fd 100644
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -580,7 +580,7 @@ static int create_lkb(struct dlm_ls *ls, struct dlm_lkb **lkb_ret)
/* counter can roll over so we must verify lkid is not in use */
while (lkid == 0) {
- lkid = bucket | (ls->ls_lkbtbl[bucket].counter++ << 16);
+ lkid = (bucket << 16) | ls->ls_lkbtbl[bucket].counter++;
list_for_each_entry(tmp, &ls->ls_lkbtbl[bucket].list,
lkb_idtbl_list) {
@@ -601,8 +601,8 @@ static int create_lkb(struct dlm_ls *ls, struct dlm_lkb **lkb_ret)
static struct dlm_lkb *__find_lkb(struct dlm_ls *ls, uint32_t lkid)
{
- uint16_t bucket = lkid & 0xFFFF;
struct dlm_lkb *lkb;
+ uint16_t bucket = (lkid >> 16);
list_for_each_entry(lkb, &ls->ls_lkbtbl[bucket].list, lkb_idtbl_list) {
if (lkb->lkb_id == lkid)
@@ -614,7 +614,7 @@ static struct dlm_lkb *__find_lkb(struct dlm_ls *ls, uint32_t lkid)
static int find_lkb(struct dlm_ls *ls, uint32_t lkid, struct dlm_lkb **lkb_ret)
{
struct dlm_lkb *lkb;
- uint16_t bucket = lkid & 0xFFFF;
+ uint16_t bucket = (lkid >> 16);
if (bucket >= ls->ls_lkbtbl_size)
return -EBADSLT;
@@ -644,7 +644,7 @@ static void kill_lkb(struct kref *kref)
static int __put_lkb(struct dlm_ls *ls, struct dlm_lkb *lkb)
{
- uint16_t bucket = lkb->lkb_id & 0xFFFF;
+ uint16_t bucket = (lkb->lkb_id >> 16);
write_lock(&ls->ls_lkbtbl[bucket].lock);
if (kref_put(&lkb->lkb_ref, kill_lkb)) {