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locks: change lm_get_owner and lm_put_owner prototypes

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The current prototypes for these operations are somewhat awkward as they
deal with fl_owners but take struct file_lock arguments. In the future,
we'll want to be able to take references without necessarily dealing
with a struct file_lock.

Change them to take fl_owner_t arguments instead and have the callers
deal with assigning the values to the file_lock structs.

Signed-off-by: Jeff Layton <jlayton@primarydata.com>
This commit is contained in:
Jeff Layton 2015-04-03 09:04:04 -04:00
parent 5c1c669a1b
commit cae80b305e
3 changed files with 17 additions and 13 deletions
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8
fs/locks.c
View File

@ -276,8 +276,10 @@ void locks_release_private(struct file_lock *fl)
}
if (fl->fl_lmops) {
if (fl->fl_lmops->lm_put_owner)
fl->fl_lmops->lm_put_owner(fl);
if (fl->fl_lmops->lm_put_owner) {
fl->fl_lmops->lm_put_owner(fl->fl_owner);
fl->fl_owner = NULL;
}
fl->fl_lmops = NULL;
}
}
@ -333,7 +335,7 @@ void locks_copy_conflock(struct file_lock *new, struct file_lock *fl)
if (fl->fl_lmops) {
if (fl->fl_lmops->lm_get_owner)
fl->fl_lmops->lm_get_owner(new, fl);
fl->fl_lmops->lm_get_owner(fl->fl_owner);
}
}
EXPORT_SYMBOL(locks_copy_conflock);

18
fs/nfsd/nfs4state.c
View File

@ -4932,20 +4932,22 @@ nfs4_transform_lock_offset(struct file_lock *lock)
lock->fl_end = OFFSET_MAX;
}
static void nfsd4_fl_get_owner(struct file_lock *dst, struct file_lock *src)
static fl_owner_t
nfsd4_fl_get_owner(fl_owner_t owner)
{
struct nfs4_lockowner *lo = (struct nfs4_lockowner *)src->fl_owner;
dst->fl_owner = (fl_owner_t)lockowner(nfs4_get_stateowner(&lo->lo_owner));
struct nfs4_lockowner *lo = (struct nfs4_lockowner *)owner;
nfs4_get_stateowner(&lo->lo_owner);
return owner;
}
static void nfsd4_fl_put_owner(struct file_lock *fl)
static void
nfsd4_fl_put_owner(fl_owner_t owner)
{
struct nfs4_lockowner *lo = (struct nfs4_lockowner *)fl->fl_owner;
struct nfs4_lockowner *lo = (struct nfs4_lockowner *)owner;
if (lo) {
if (lo)
nfs4_put_stateowner(&lo->lo_owner);
fl->fl_owner = NULL;
}
}
static const struct lock_manager_operations nfsd_posix_mng_ops = {

4
include/linux/fs.h
View File

@ -893,8 +893,8 @@ struct file_lock_operations {
struct lock_manager_operations {
int (*lm_compare_owner)(struct file_lock *, struct file_lock *);
unsigned long (*lm_owner_key)(struct file_lock *);
void (*lm_get_owner)(struct file_lock *, struct file_lock *);
void (*lm_put_owner)(struct file_lock *);
fl_owner_t (*lm_get_owner)(fl_owner_t);
void (*lm_put_owner)(fl_owner_t);
void (*lm_notify)(struct file_lock *); /* unblock callback */
int (*lm_grant)(struct file_lock *, int);
bool (*lm_break)(struct file_lock *);