[DLM] change lkid format

[linux-2.6-omap-h63xx.git] / fs / dlm / lock.c

diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index 9d26b3a396718c902b500b8c4f51551b1ef1d6ff..eac54d230fdcaa6d10adeacba5d2e45ad0fd2578 100644 (file)
--- 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)) {