[GFS2] Use void * instead of typedef for locking module interface
As requested by Jan Engelhardt, this removes the typedefs in the
locking module interface and replaces them with void *. Also
since we are changing the interface, I've added a few consts
as well.
Cc: Jan Engelhardt <jengelh@linux01.gwdg.de>
Cc: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/locking/dlm/lock.c b/fs/gfs2/locking/dlm/lock.c
index e4359b1..b167add 100644
--- a/fs/gfs2/locking/dlm/lock.c
+++ b/fs/gfs2/locking/dlm/lock.c
@@ -207,21 +207,21 @@
kfree(lp);
}
-int gdlm_get_lock(lm_lockspace_t *lockspace, struct lm_lockname *name,
- lm_lock_t **lockp)
+int gdlm_get_lock(void *lockspace, struct lm_lockname *name,
+ void **lockp)
{
struct gdlm_lock *lp;
int error;
- error = gdlm_create_lp((struct gdlm_ls *) lockspace, name, &lp);
+ error = gdlm_create_lp(lockspace, name, &lp);
- *lockp = (lm_lock_t *) lp;
+ *lockp = lp;
return error;
}
-void gdlm_put_lock(lm_lock_t *lock)
+void gdlm_put_lock(void *lock)
{
- gdlm_delete_lp((struct gdlm_lock *) lock);
+ gdlm_delete_lp(lock);
}
unsigned int gdlm_do_lock(struct gdlm_lock *lp)
@@ -305,10 +305,10 @@
return LM_OUT_ASYNC;
}
-unsigned int gdlm_lock(lm_lock_t *lock, unsigned int cur_state,
+unsigned int gdlm_lock(void *lock, unsigned int cur_state,
unsigned int req_state, unsigned int flags)
{
- struct gdlm_lock *lp = (struct gdlm_lock *) lock;
+ struct gdlm_lock *lp = lock;
clear_bit(LFL_DLM_CANCEL, &lp->flags);
if (flags & LM_FLAG_NOEXP)
@@ -321,9 +321,9 @@
return gdlm_do_lock(lp);
}
-unsigned int gdlm_unlock(lm_lock_t *lock, unsigned int cur_state)
+unsigned int gdlm_unlock(void *lock, unsigned int cur_state)
{
- struct gdlm_lock *lp = (struct gdlm_lock *) lock;
+ struct gdlm_lock *lp = lock;
clear_bit(LFL_DLM_CANCEL, &lp->flags);
if (lp->cur == DLM_LOCK_IV)
@@ -331,9 +331,9 @@
return gdlm_do_unlock(lp);
}
-void gdlm_cancel(lm_lock_t *lock)
+void gdlm_cancel(void *lock)
{
- struct gdlm_lock *lp = (struct gdlm_lock *) lock;
+ struct gdlm_lock *lp = lock;
struct gdlm_ls *ls = lp->ls;
int error, delay_list = 0;
@@ -464,9 +464,9 @@
intact on the resource while the lvb is "held" even if it's holding no locks
on the resource. */
-int gdlm_hold_lvb(lm_lock_t *lock, char **lvbp)
+int gdlm_hold_lvb(void *lock, char **lvbp)
{
- struct gdlm_lock *lp = (struct gdlm_lock *) lock;
+ struct gdlm_lock *lp = lock;
int error;
error = gdlm_add_lvb(lp);
@@ -482,9 +482,9 @@
return error;
}
-void gdlm_unhold_lvb(lm_lock_t *lock, char *lvb)
+void gdlm_unhold_lvb(void *lock, char *lvb)
{
- struct gdlm_lock *lp = (struct gdlm_lock *) lock;
+ struct gdlm_lock *lp = lock;
unhold_null_lock(lp);
gdlm_del_lvb(lp);
diff --git a/fs/gfs2/locking/dlm/lock_dlm.h b/fs/gfs2/locking/dlm/lock_dlm.h
index a4f534a..3a45c02 100644
--- a/fs/gfs2/locking/dlm/lock_dlm.h
+++ b/fs/gfs2/locking/dlm/lock_dlm.h
@@ -112,7 +112,7 @@
s16 cur;
s16 req;
s16 prev_req;
- u32 lkf; /* dlm flags DLM_LKF_ */
+ u32 lkf; /* dlm flags DLM_LKF_ */
unsigned long flags; /* lock_dlm flags LFL_ */
int bast_mode; /* protected by async_lock */
@@ -165,23 +165,23 @@
void gdlm_delete_lp(struct gdlm_lock *);
unsigned int gdlm_do_lock(struct gdlm_lock *);
-int gdlm_get_lock(lm_lockspace_t *, struct lm_lockname *, lm_lock_t **);
-void gdlm_put_lock(lm_lock_t *);
-unsigned int gdlm_lock(lm_lock_t *, unsigned int, unsigned int, unsigned int);
-unsigned int gdlm_unlock(lm_lock_t *, unsigned int);
-void gdlm_cancel(lm_lock_t *);
-int gdlm_hold_lvb(lm_lock_t *, char **);
-void gdlm_unhold_lvb(lm_lock_t *, char *);
+int gdlm_get_lock(void *, struct lm_lockname *, void **);
+void gdlm_put_lock(void *);
+unsigned int gdlm_lock(void *, unsigned int, unsigned int, unsigned int);
+unsigned int gdlm_unlock(void *, unsigned int);
+void gdlm_cancel(void *);
+int gdlm_hold_lvb(void *, char **);
+void gdlm_unhold_lvb(void *, char *);
/* plock.c */
int gdlm_plock_init(void);
void gdlm_plock_exit(void);
-int gdlm_plock(lm_lockspace_t *, struct lm_lockname *, struct file *, int,
+int gdlm_plock(void *, struct lm_lockname *, struct file *, int,
struct file_lock *);
-int gdlm_plock_get(lm_lockspace_t *, struct lm_lockname *, struct file *,
+int gdlm_plock_get(void *, struct lm_lockname *, struct file *,
struct file_lock *);
-int gdlm_punlock(lm_lockspace_t *, struct lm_lockname *, struct file *,
+int gdlm_punlock(void *, struct lm_lockname *, struct file *,
struct file_lock *);
#endif
diff --git a/fs/gfs2/locking/dlm/mount.c b/fs/gfs2/locking/dlm/mount.c
index 832fb81..1f94dd3 100644
--- a/fs/gfs2/locking/dlm/mount.c
+++ b/fs/gfs2/locking/dlm/mount.c
@@ -11,7 +11,7 @@
int gdlm_drop_count;
int gdlm_drop_period;
-struct lm_lockops gdlm_ops;
+const struct lm_lockops gdlm_ops;
static struct gdlm_ls *init_gdlm(lm_callback_t cb, struct gfs2_sbd *sdp,
@@ -120,7 +120,7 @@
}
static int gdlm_mount(char *table_name, char *host_data,
- lm_callback_t cb, struct gfs2_sbd *sdp,
+ lm_callback_t cb, void *cb_data,
unsigned int min_lvb_size, int flags,
struct lm_lockstruct *lockstruct,
struct kobject *fskobj)
@@ -131,7 +131,7 @@
if (min_lvb_size > GDLM_LVB_SIZE)
goto out;
- ls = init_gdlm(cb, sdp, flags, table_name);
+ ls = init_gdlm(cb, cb_data, flags, table_name);
if (!ls)
goto out;
@@ -174,9 +174,9 @@
return error;
}
-static void gdlm_unmount(lm_lockspace_t *lockspace)
+static void gdlm_unmount(void *lockspace)
{
- struct gdlm_ls *ls = (struct gdlm_ls *) lockspace;
+ struct gdlm_ls *ls = lockspace;
int rv;
log_debug("unmount flags %lx", ls->flags);
@@ -198,18 +198,18 @@
kfree(ls);
}
-static void gdlm_recovery_done(lm_lockspace_t *lockspace, unsigned int jid,
+static void gdlm_recovery_done(void *lockspace, unsigned int jid,
unsigned int message)
{
- struct gdlm_ls *ls = (struct gdlm_ls *) lockspace;
+ struct gdlm_ls *ls = lockspace;
ls->recover_jid_done = jid;
ls->recover_jid_status = message;
kobject_uevent(&ls->kobj, KOBJ_CHANGE);
}
-static void gdlm_others_may_mount(lm_lockspace_t *lockspace)
+static void gdlm_others_may_mount(void *lockspace)
{
- struct gdlm_ls *ls = (struct gdlm_ls *) lockspace;
+ struct gdlm_ls *ls = lockspace;
ls->first_done = 1;
kobject_uevent(&ls->kobj, KOBJ_CHANGE);
}
@@ -218,9 +218,9 @@
other mounters, and lets us know (sets WITHDRAW flag). Then,
userspace leaves the mount group while we leave the lockspace. */
-static void gdlm_withdraw(lm_lockspace_t *lockspace)
+static void gdlm_withdraw(void *lockspace)
{
- struct gdlm_ls *ls = (struct gdlm_ls *) lockspace;
+ struct gdlm_ls *ls = lockspace;
kobject_uevent(&ls->kobj, KOBJ_OFFLINE);
@@ -233,7 +233,7 @@
gdlm_kobject_release(ls);
}
-struct lm_lockops gdlm_ops = {
+const struct lm_lockops gdlm_ops = {
.lm_proto_name = "lock_dlm",
.lm_mount = gdlm_mount,
.lm_others_may_mount = gdlm_others_may_mount,
diff --git a/fs/gfs2/locking/dlm/plock.c b/fs/gfs2/locking/dlm/plock.c
index 263636b..7365aec 100644
--- a/fs/gfs2/locking/dlm/plock.c
+++ b/fs/gfs2/locking/dlm/plock.c
@@ -58,10 +58,10 @@
wake_up(&send_wq);
}
-int gdlm_plock(lm_lockspace_t *lockspace, struct lm_lockname *name,
+int gdlm_plock(void *lockspace, struct lm_lockname *name,
struct file *file, int cmd, struct file_lock *fl)
{
- struct gdlm_ls *ls = (struct gdlm_ls *) lockspace;
+ struct gdlm_ls *ls = lockspace;
struct plock_op *op;
int rv;
@@ -102,10 +102,10 @@
return rv;
}
-int gdlm_punlock(lm_lockspace_t *lockspace, struct lm_lockname *name,
+int gdlm_punlock(void *lockspace, struct lm_lockname *name,
struct file *file, struct file_lock *fl)
{
- struct gdlm_ls *ls = (struct gdlm_ls *) lockspace;
+ struct gdlm_ls *ls = lockspace;
struct plock_op *op;
int rv;
@@ -141,10 +141,10 @@
return rv;
}
-int gdlm_plock_get(lm_lockspace_t *lockspace, struct lm_lockname *name,
+int gdlm_plock_get(void *lockspace, struct lm_lockname *name,
struct file *file, struct file_lock *fl)
{
- struct gdlm_ls *ls = (struct gdlm_ls *) lockspace;
+ struct gdlm_ls *ls = lockspace;
struct plock_op *op;
int rv;
@@ -231,8 +231,7 @@
spin_lock(&ops_lock);
list_for_each_entry(op, &recv_list, list) {
- if (op->info.fsid == info.fsid &&
- op->info.number == info.number &&
+ if (op->info.fsid == info.fsid && op->info.number == info.number &&
op->info.owner == info.owner) {
list_del_init(&op->list);
found = 1;
diff --git a/fs/gfs2/locking/nolock/main.c b/fs/gfs2/locking/nolock/main.c
index ba73997..7b263fc 100644
--- a/fs/gfs2/locking/nolock/main.c
+++ b/fs/gfs2/locking/nolock/main.c
@@ -21,10 +21,10 @@
unsigned int nl_lvb_size;
};
-static struct lm_lockops nolock_ops;
+static const struct lm_lockops nolock_ops;
static int nolock_mount(char *table_name, char *host_data,
- lm_callback_t cb, struct gfs2_sbd *sdp,
+ lm_callback_t cb, void *cb_data,
unsigned int min_lvb_size, int flags,
struct lm_lockstruct *lockstruct,
struct kobject *fskobj)
@@ -50,24 +50,24 @@
lockstruct->ls_jid = jid;
lockstruct->ls_first = 1;
lockstruct->ls_lvb_size = min_lvb_size;
- lockstruct->ls_lockspace = (lm_lockspace_t *)nl;
+ lockstruct->ls_lockspace = nl;
lockstruct->ls_ops = &nolock_ops;
lockstruct->ls_flags = LM_LSFLAG_LOCAL;
return 0;
}
-static void nolock_others_may_mount(lm_lockspace_t *lockspace)
+static void nolock_others_may_mount(void *lockspace)
{
}
-static void nolock_unmount(lm_lockspace_t *lockspace)
+static void nolock_unmount(void *lockspace)
{
- struct nolock_lockspace *nl = (struct nolock_lockspace *)lockspace;
+ struct nolock_lockspace *nl = lockspace;
kfree(nl);
}
-static void nolock_withdraw(lm_lockspace_t *lockspace)
+static void nolock_withdraw(void *lockspace)
{
}
@@ -80,10 +80,10 @@
* Returns: 0 on success, -EXXX on failure
*/
-static int nolock_get_lock(lm_lockspace_t *lockspace, struct lm_lockname *name,
- lm_lock_t **lockp)
+static int nolock_get_lock(void *lockspace, struct lm_lockname *name,
+ void **lockp)
{
- *lockp = (lm_lock_t *)lockspace;
+ *lockp = lockspace;
return 0;
}
@@ -93,7 +93,7 @@
*
*/
-static void nolock_put_lock(lm_lock_t *lock)
+static void nolock_put_lock(void *lock)
{
}
@@ -107,7 +107,7 @@
* Returns: A bitmap of LM_OUT_*
*/
-static unsigned int nolock_lock(lm_lock_t *lock, unsigned int cur_state,
+static unsigned int nolock_lock(void *lock, unsigned int cur_state,
unsigned int req_state, unsigned int flags)
{
return req_state | LM_OUT_CACHEABLE;
@@ -121,12 +121,12 @@
* Returns: 0
*/
-static unsigned int nolock_unlock(lm_lock_t *lock, unsigned int cur_state)
+static unsigned int nolock_unlock(void *lock, unsigned int cur_state)
{
return 0;
}
-static void nolock_cancel(lm_lock_t *lock)
+static void nolock_cancel(void *lock)
{
}
@@ -138,9 +138,9 @@
* Returns: 0 on success, -EXXX on failure
*/
-static int nolock_hold_lvb(lm_lock_t *lock, char **lvbp)
+static int nolock_hold_lvb(void *lock, char **lvbp)
{
- struct nolock_lockspace *nl = (struct nolock_lockspace *)lock;
+ struct nolock_lockspace *nl = lock;
int error = 0;
*lvbp = kzalloc(nl->nl_lvb_size, GFP_KERNEL);
@@ -157,12 +157,12 @@
*
*/
-static void nolock_unhold_lvb(lm_lock_t *lock, char *lvb)
+static void nolock_unhold_lvb(void *lock, char *lvb)
{
kfree(lvb);
}
-static int nolock_plock_get(lm_lockspace_t *lockspace, struct lm_lockname *name,
+static int nolock_plock_get(void *lockspace, struct lm_lockname *name,
struct file *file, struct file_lock *fl)
{
struct file_lock tmp;
@@ -176,7 +176,7 @@
return 0;
}
-static int nolock_plock(lm_lockspace_t *lockspace, struct lm_lockname *name,
+static int nolock_plock(void *lockspace, struct lm_lockname *name,
struct file *file, int cmd, struct file_lock *fl)
{
int error;
@@ -184,7 +184,7 @@
return error;
}
-static int nolock_punlock(lm_lockspace_t *lockspace, struct lm_lockname *name,
+static int nolock_punlock(void *lockspace, struct lm_lockname *name,
struct file *file, struct file_lock *fl)
{
int error;
@@ -192,12 +192,12 @@
return error;
}
-static void nolock_recovery_done(lm_lockspace_t *lockspace, unsigned int jid,
+static void nolock_recovery_done(void *lockspace, unsigned int jid,
unsigned int message)
{
}
-static struct lm_lockops nolock_ops = {
+static const struct lm_lockops nolock_ops = {
.lm_proto_name = "lock_nolock",
.lm_mount = nolock_mount,
.lm_others_may_mount = nolock_others_may_mount,