[PATCH] locks: Remove unused conf argument from lm_grant

From: Jeff Layton
Date: Thu Aug 14 2014 - 09:52:54 EST


From: Joe Perches <joe@xxxxxxxxxxx>

This argument is always NULL so don't pass it around.

Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxxxxxxx>
---
fs/dlm/plock.c | 8 ++++----
fs/lockd/svclock.c | 12 +++---------
include/linux/fs.h | 2 +-
3 files changed, 8 insertions(+), 14 deletions(-)

diff --git a/fs/dlm/plock.c b/fs/dlm/plock.c
index f704458ea5f5..e0ab3a93eeff 100644
--- a/fs/dlm/plock.c
+++ b/fs/dlm/plock.c
@@ -30,7 +30,7 @@ struct plock_op {

struct plock_xop {
struct plock_op xop;
- void *callback;
+ int (*callback)(struct file_lock *fl, int result);
void *fl;
void *file;
struct file_lock flc;
@@ -190,7 +190,7 @@ static int dlm_plock_callback(struct plock_op *op)
struct file *file;
struct file_lock *fl;
struct file_lock *flc;
- int (*notify)(void *, void *, int) = NULL;
+ int (*notify)(struct file_lock *fl, int result) = NULL;
struct plock_xop *xop = (struct plock_xop *)op;
int rv = 0;

@@ -209,7 +209,7 @@ static int dlm_plock_callback(struct plock_op *op)
notify = xop->callback;

if (op->info.rv) {
- notify(fl, NULL, op->info.rv);
+ notify(fl, op->info.rv);
goto out;
}

@@ -228,7 +228,7 @@ static int dlm_plock_callback(struct plock_op *op)
(unsigned long long)op->info.number, file, fl);
}

- rv = notify(fl, NULL, 0);
+ rv = notify(fl, 0);
if (rv) {
/* XXX: We need to cancel the fs lock here: */
log_print("dlm_plock_callback: lock granted after lock request "
diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c
index ab798a88ec1d..2a6170133c1d 100644
--- a/fs/lockd/svclock.c
+++ b/fs/lockd/svclock.c
@@ -667,22 +667,16 @@ nlmsvc_cancel_blocked(struct net *net, struct nlm_file *file, struct nlm_lock *l
* deferred rpc for GETLK and SETLK.
*/
static void
-nlmsvc_update_deferred_block(struct nlm_block *block, struct file_lock *conf,
- int result)
+nlmsvc_update_deferred_block(struct nlm_block *block, int result)
{
block->b_flags |= B_GOT_CALLBACK;
if (result == 0)
block->b_granted = 1;
else
block->b_flags |= B_TIMED_OUT;
- if (conf) {
- if (block->b_fl)
- __locks_copy_lock(block->b_fl, conf);
- }
}

-static int nlmsvc_grant_deferred(struct file_lock *fl, struct file_lock *conf,
- int result)
+static int nlmsvc_grant_deferred(struct file_lock *fl, int result)
{
struct nlm_block *block;
int rc = -ENOENT;
@@ -697,7 +691,7 @@ static int nlmsvc_grant_deferred(struct file_lock *fl, struct file_lock *conf,
rc = -ENOLCK;
break;
}
- nlmsvc_update_deferred_block(block, conf, result);
+ nlmsvc_update_deferred_block(block, result);
} else if (result == 0)
block->b_granted = 1;

diff --git a/include/linux/fs.h b/include/linux/fs.h
index f0890e4a7c25..6cb1f3d182ee 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -869,7 +869,7 @@ struct lock_manager_operations {
int (*lm_compare_owner)(struct file_lock *, struct file_lock *);
unsigned long (*lm_owner_key)(struct file_lock *);
void (*lm_notify)(struct file_lock *); /* unblock callback */
- int (*lm_grant)(struct file_lock *, struct file_lock *, int);
+ int (*lm_grant)(struct file_lock *, int);
void (*lm_break)(struct file_lock *);
int (*lm_change)(struct file_lock **, int);
};
--
1.9.3

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