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authorDavid Teigland <teigland@redhat.com>2008-02-06 00:35:45 -0600
committerDavid Teigland <teigland@redhat.com>2008-02-06 00:35:45 -0600
commite5dae548b0b5397e070de793be925cfc5813ad95 (patch)
tree5ad4c94cbeab745fc1bac3426423c405971c6796 /fs/dlm/lock.c
parentcb79f1998d89821a4dbac47f59a46ee3fbbf3c61 (diff)
downloadlinux-linaro-stable-e5dae548b0b5397e070de793be925cfc5813ad95.tar.gz
dlm: proper types for asts and basts
Use proper types for ast and bast functions, and use consistent type for ast param. Signed-off-by: David Teigland <teigland@redhat.com>
Diffstat (limited to 'fs/dlm/lock.c')
-rw-r--r--fs/dlm/lock.c50
1 files changed, 32 insertions, 18 deletions
diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index 5b82187e0221..94f8cbd3c0be 100644
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -1781,7 +1781,7 @@ static void grant_pending_locks(struct dlm_rsb *r)
*/
list_for_each_entry_safe(lkb, s, &r->res_grantqueue, lkb_statequeue) {
- if (lkb->lkb_bastaddr && lock_requires_bast(lkb, high, cw)) {
+ if (lkb->lkb_bastfn && lock_requires_bast(lkb, high, cw)) {
if (cw && high == DLM_LOCK_PR)
queue_bast(r, lkb, DLM_LOCK_CW);
else
@@ -1811,7 +1811,7 @@ static void send_bast_queue(struct dlm_rsb *r, struct list_head *head,
struct dlm_lkb *gr;
list_for_each_entry(gr, head, lkb_statequeue) {
- if (gr->lkb_bastaddr && modes_require_bast(gr, lkb)) {
+ if (gr->lkb_bastfn && modes_require_bast(gr, lkb)) {
queue_bast(r, gr, lkb->lkb_rqmode);
gr->lkb_highbast = lkb->lkb_rqmode;
}
@@ -1966,8 +1966,11 @@ static void confirm_master(struct dlm_rsb *r, int error)
}
static int set_lock_args(int mode, struct dlm_lksb *lksb, uint32_t flags,
- int namelen, unsigned long timeout_cs, void *ast,
- void *astarg, void *bast, struct dlm_args *args)
+ int namelen, unsigned long timeout_cs,
+ void (*ast) (void *astparam),
+ void *astparam,
+ void (*bast) (void *astparam, int mode),
+ struct dlm_args *args)
{
int rv = -EINVAL;
@@ -2017,9 +2020,9 @@ static int set_lock_args(int mode, struct dlm_lksb *lksb, uint32_t flags,
an active lkb cannot be modified before locking the rsb */
args->flags = flags;
- args->astaddr = ast;
- args->astparam = (long) astarg;
- args->bastaddr = bast;
+ args->astfn = ast;
+ args->astparam = astparam;
+ args->bastfn = bast;
args->timeout = timeout_cs;
args->mode = mode;
args->lksb = lksb;
@@ -2038,7 +2041,7 @@ static int set_unlock_args(uint32_t flags, void *astarg, struct dlm_args *args)
return -EINVAL;
args->flags = flags;
- args->astparam = (long) astarg;
+ args->astparam = astarg;
return 0;
}
@@ -2068,9 +2071,9 @@ static int validate_lock_args(struct dlm_ls *ls, struct dlm_lkb *lkb,
lkb->lkb_exflags = args->flags;
lkb->lkb_sbflags = 0;
- lkb->lkb_astaddr = args->astaddr;
+ lkb->lkb_astfn = args->astfn;
lkb->lkb_astparam = args->astparam;
- lkb->lkb_bastaddr = args->bastaddr;
+ lkb->lkb_bastfn = args->bastfn;
lkb->lkb_rqmode = args->mode;
lkb->lkb_lksb = args->lksb;
lkb->lkb_lvbptr = args->lksb->sb_lvbptr;
@@ -2717,9 +2720,9 @@ static void send_args(struct dlm_rsb *r, struct dlm_lkb *lkb,
/* m_result and m_bastmode are set from function args,
not from lkb fields */
- if (lkb->lkb_bastaddr)
+ if (lkb->lkb_bastfn)
ms->m_asts |= AST_BAST;
- if (lkb->lkb_astaddr)
+ if (lkb->lkb_astfn)
ms->m_asts |= AST_COMP;
/* compare with switch in create_message; send_remove() doesn't
@@ -3002,6 +3005,16 @@ static int receive_lvb(struct dlm_ls *ls, struct dlm_lkb *lkb,
return 0;
}
+static void fake_bastfn(void *astparam, int mode)
+{
+ log_print("fake_bastfn should not be called");
+}
+
+static void fake_astfn(void *astparam)
+{
+ log_print("fake_astfn should not be called");
+}
+
static int receive_request_args(struct dlm_ls *ls, struct dlm_lkb *lkb,
struct dlm_message *ms)
{
@@ -3010,8 +3023,9 @@ static int receive_request_args(struct dlm_ls *ls, struct dlm_lkb *lkb,
lkb->lkb_remid = ms->m_lkid;
lkb->lkb_grmode = DLM_LOCK_IV;
lkb->lkb_rqmode = ms->m_rqmode;
- lkb->lkb_bastaddr = (void *) (long) (ms->m_asts & AST_BAST);
- lkb->lkb_astaddr = (void *) (long) (ms->m_asts & AST_COMP);
+
+ lkb->lkb_bastfn = (ms->m_asts & AST_BAST) ? &fake_bastfn : NULL;
+ lkb->lkb_astfn = (ms->m_asts & AST_COMP) ? &fake_astfn : NULL;
if (lkb->lkb_exflags & DLM_LKF_VALBLK) {
/* lkb was just created so there won't be an lvb yet */
@@ -4291,8 +4305,8 @@ static int receive_rcom_lock_args(struct dlm_ls *ls, struct dlm_lkb *lkb,
lkb->lkb_grmode = rl->rl_grmode;
/* don't set lkb_status because add_lkb wants to itself */
- lkb->lkb_bastaddr = (void *) (long) (rl->rl_asts & AST_BAST);
- lkb->lkb_astaddr = (void *) (long) (rl->rl_asts & AST_COMP);
+ lkb->lkb_bastfn = (rl->rl_asts & AST_BAST) ? &fake_bastfn : NULL;
+ lkb->lkb_astfn = (rl->rl_asts & AST_COMP) ? &fake_astfn : NULL;
if (lkb->lkb_exflags & DLM_LKF_VALBLK) {
int lvblen = rc->rc_header.h_length - sizeof(struct dlm_rcom) -
@@ -4466,7 +4480,7 @@ int dlm_user_request(struct dlm_ls *ls, struct dlm_user_args *ua,
lock and that lkb_astparam is the dlm_user_args structure. */
error = set_lock_args(mode, &ua->lksb, flags, namelen, timeout_cs,
- DLM_FAKE_USER_AST, ua, DLM_FAKE_USER_AST, &args);
+ fake_astfn, ua, fake_bastfn, &args);
lkb->lkb_flags |= DLM_IFL_USER;
ua->old_mode = DLM_LOCK_IV;
@@ -4540,7 +4554,7 @@ int dlm_user_convert(struct dlm_ls *ls, struct dlm_user_args *ua_tmp,
ua->old_mode = lkb->lkb_grmode;
error = set_lock_args(mode, &ua->lksb, flags, 0, timeout_cs,
- DLM_FAKE_USER_AST, ua, DLM_FAKE_USER_AST, &args);
+ fake_astfn, ua, fake_bastfn, &args);
if (error)
goto out_put;