2014-08-14 13:52:47

by Jeff Layton

[permalink] [raw]
Subject: [PATCH] locks: Remove unused conf argument from lm_grant

From: Joe Perches <[email protected]>

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

Signed-off-by: Joe Perches <[email protected]>
Signed-off-by: Jeff Layton <[email protected]>
---
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



2014-08-14 15:20:18

by J. Bruce Fields

[permalink] [raw]
Subject: Re: [PATCH] locks: Remove unused conf argument from lm_grant

ACK, and passes my usual tests too for what it's worth.

--b.

On Thu, Aug 14, 2014 at 09:52:40AM -0400, Jeff Layton wrote:
> From: Joe Perches <[email protected]>
>
> This argument is always NULL so don't pass it around.
>
> Signed-off-by: Joe Perches <[email protected]>
> Signed-off-by: Jeff Layton <[email protected]>
> ---
> 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
>

2014-08-14 13:57:03

by Jeff Layton

[permalink] [raw]
Subject: Re: [PATCH] locks: Remove unused conf argument from lm_grant

On Thu, 14 Aug 2014 09:52:40 -0400
Jeff Layton <[email protected]> wrote:

> From: Joe Perches <[email protected]>
>
> This argument is always NULL so don't pass it around.
>
> Signed-off-by: Joe Perches <[email protected]>
> Signed-off-by: Jeff Layton <[email protected]>
> ---
> fs/dlm/plock.c | 8 ++++----
> fs/lockd/svclock.c | 12 +++---------
> include/linux/fs.h | 2 +-
> 3 files changed, 8 insertions(+), 14 deletions(-)
>

Joe, if this looks OK with you, I'll plan to merge this for v3.18.

Kinglong, I've added this to my "locks-3.18" branch if you need
something to base your nfsd conflock patches on:

git://git.samba.org/jlayton/linux.git

Thanks,
--
Jeff Layton <[email protected]>

2014-08-14 14:35:30

by Joe Perches

[permalink] [raw]
Subject: Re: [PATCH] locks: Remove unused conf argument from lm_grant

On Thu, 2014-08-14 at 09:56 -0400, Jeff Layton wrote:
> On Thu, 14 Aug 2014 09:52:40 -0400
> Jeff Layton <[email protected]> wrote:
> > From: Joe Perches <[email protected]>
> > This argument is always NULL so don't pass it around.
> > Signed-off-by: Joe Perches <[email protected]>
> > Signed-off-by: Jeff Layton <[email protected]>
> > ---
> > fs/dlm/plock.c | 8 ++++----
> > fs/lockd/svclock.c | 12 +++---------
> > include/linux/fs.h | 2 +-
> > 3 files changed, 8 insertions(+), 14 deletions(-)
> Joe, if this looks OK with you, I'll plan to merge this for v3.18.

Looks fine, thanks Jeff.