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dlm: eliminate astparam type casting

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Put lkb_astparam in a union with a dlm_user_args pointer to
eliminate a lot of type casting.

Signed-off-by: David Teigland <teigland@redhat.com>
This commit is contained in:
David Teigland
2008-02-06 23:27:04 -06:00
parent e5dae548b0
commit d292c0cc48
6 changed files with 18 additions and 22 deletions
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14
fs/dlm/lock.c
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@ -4533,7 +4533,7 @@ int dlm_user_convert(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
/* user can change the params on its lock when it converts it, or
add an lvb that didn't exist before */
ua = (struct dlm_user_args *)lkb->lkb_astparam;
ua = lkb->lkb_ua;
if (flags & DLM_LKF_VALBLK && !ua->lksb.sb_lvbptr) {
ua->lksb.sb_lvbptr = kzalloc(DLM_USER_LVB_LEN, GFP_KERNEL);
@ -4584,7 +4584,7 @@ int dlm_user_unlock(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
if (error)
goto out;
ua = (struct dlm_user_args *)lkb->lkb_astparam;
ua = lkb->lkb_ua;
if (lvb_in && ua->lksb.sb_lvbptr)
memcpy(ua->lksb.sb_lvbptr, lvb_in, DLM_USER_LVB_LEN);
@ -4633,7 +4633,7 @@ int dlm_user_cancel(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
if (error)
goto out;
ua = (struct dlm_user_args *)lkb->lkb_astparam;
ua = lkb->lkb_ua;
if (ua_tmp->castparam)
ua->castparam = ua_tmp->castparam;
ua->user_lksb = ua_tmp->user_lksb;
@ -4671,7 +4671,7 @@ int dlm_user_deadlock(struct dlm_ls *ls, uint32_t flags, uint32_t lkid)
if (error)
goto out;
ua = (struct dlm_user_args *)lkb->lkb_astparam;
ua = lkb->lkb_ua;
error = set_unlock_args(flags, ua, &args);
if (error)
@ -4710,7 +4710,6 @@ int dlm_user_deadlock(struct dlm_ls *ls, uint32_t flags, uint32_t lkid)
static int orphan_proc_lock(struct dlm_ls *ls, struct dlm_lkb *lkb)
{
struct dlm_user_args *ua = (struct dlm_user_args *)lkb->lkb_astparam;
struct dlm_args args;
int error;
@ -4719,7 +4718,7 @@ static int orphan_proc_lock(struct dlm_ls *ls, struct dlm_lkb *lkb)
list_add_tail(&lkb->lkb_ownqueue, &ls->ls_orphans);
mutex_unlock(&ls->ls_orphans_mutex);
set_unlock_args(0, ua, &args);
set_unlock_args(0, lkb->lkb_ua, &args);
error = cancel_lock(ls, lkb, &args);
if (error == -DLM_ECANCEL)
@ -4732,11 +4731,10 @@ static int orphan_proc_lock(struct dlm_ls *ls, struct dlm_lkb *lkb)
static int unlock_proc_lock(struct dlm_ls *ls, struct dlm_lkb *lkb)
{
struct dlm_user_args *ua = (struct dlm_user_args *)lkb->lkb_astparam;
struct dlm_args args;
int error;
set_unlock_args(DLM_LKF_FORCEUNLOCK, ua, &args);
set_unlock_args(DLM_LKF_FORCEUNLOCK, lkb->lkb_ua, &args);
error = unlock_lock(ls, lkb, &args);
if (error == -DLM_EUNLOCK)