From d7dbe11ef0700829ef133e332673e5921346f80e Mon Sep 17 00:00:00 2001 From: Oleg Drokin Date: Thu, 1 Oct 2015 00:12:23 -0400 Subject: [PATCH] staging/lustre/ldlm: Remove unused ldlm_init/fini_flock_export And all supporting export infrastructure. There's no use for it all on client. Signed-off-by: Oleg Drokin Signed-off-by: Greg Kroah-Hartman --- .../staging/lustre/lustre/ldlm/ldlm_flock.c | 102 ------------------ .../lustre/lustre/ldlm/ldlm_internal.h | 2 - 2 files changed, 104 deletions(-) diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c b/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c index ab670fcf852d..bb8ecc843f0c 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c @@ -755,105 +755,3 @@ void ldlm_flock_policy_local_to_wire(const ldlm_policy_data_t *lpolicy, wpolicy->l_flock.lfw_pid = lpolicy->l_flock.pid; wpolicy->l_flock.lfw_owner = lpolicy->l_flock.owner; } - -/* - * Export handle<->flock hash operations. - */ -static unsigned -ldlm_export_flock_hash(struct cfs_hash *hs, const void *key, unsigned mask) -{ - return cfs_hash_u64_hash(*(__u64 *)key, mask); -} - -static void * -ldlm_export_flock_key(struct hlist_node *hnode) -{ - struct ldlm_lock *lock; - - lock = hlist_entry(hnode, struct ldlm_lock, l_exp_flock_hash); - return &lock->l_policy_data.l_flock.owner; -} - -static int -ldlm_export_flock_keycmp(const void *key, struct hlist_node *hnode) -{ - return !memcmp(ldlm_export_flock_key(hnode), key, sizeof(__u64)); -} - -static void * -ldlm_export_flock_object(struct hlist_node *hnode) -{ - return hlist_entry(hnode, struct ldlm_lock, l_exp_flock_hash); -} - -static void -ldlm_export_flock_get(struct cfs_hash *hs, struct hlist_node *hnode) -{ - struct ldlm_lock *lock; - struct ldlm_flock *flock; - - lock = hlist_entry(hnode, struct ldlm_lock, l_exp_flock_hash); - LDLM_LOCK_GET(lock); - - flock = &lock->l_policy_data.l_flock; - LASSERT(flock->blocking_export != NULL); - class_export_get(flock->blocking_export); - flock->blocking_refs++; -} - -static void -ldlm_export_flock_put(struct cfs_hash *hs, struct hlist_node *hnode) -{ - struct ldlm_lock *lock; - struct ldlm_flock *flock; - - lock = hlist_entry(hnode, struct ldlm_lock, l_exp_flock_hash); - LDLM_LOCK_RELEASE(lock); - - flock = &lock->l_policy_data.l_flock; - LASSERT(flock->blocking_export != NULL); - class_export_put(flock->blocking_export); - if (--flock->blocking_refs == 0) { - flock->blocking_owner = 0; - flock->blocking_export = NULL; - } -} - -static cfs_hash_ops_t ldlm_export_flock_ops = { - .hs_hash = ldlm_export_flock_hash, - .hs_key = ldlm_export_flock_key, - .hs_keycmp = ldlm_export_flock_keycmp, - .hs_object = ldlm_export_flock_object, - .hs_get = ldlm_export_flock_get, - .hs_put = ldlm_export_flock_put, - .hs_put_locked = ldlm_export_flock_put, -}; - -int ldlm_init_flock_export(struct obd_export *exp) -{ - if (strcmp(exp->exp_obd->obd_type->typ_name, LUSTRE_MDT_NAME) != 0) - return 0; - - exp->exp_flock_hash = - cfs_hash_create(obd_uuid2str(&exp->exp_client_uuid), - HASH_EXP_LOCK_CUR_BITS, - HASH_EXP_LOCK_MAX_BITS, - HASH_EXP_LOCK_BKT_BITS, 0, - CFS_HASH_MIN_THETA, CFS_HASH_MAX_THETA, - &ldlm_export_flock_ops, - CFS_HASH_DEFAULT | CFS_HASH_NBLK_CHANGE); - if (!exp->exp_flock_hash) - return -ENOMEM; - - return 0; -} -EXPORT_SYMBOL(ldlm_init_flock_export); - -void ldlm_destroy_flock_export(struct obd_export *exp) -{ - if (exp->exp_flock_hash) { - cfs_hash_putref(exp->exp_flock_hash); - exp->exp_flock_hash = NULL; - } -} -EXPORT_SYMBOL(ldlm_destroy_flock_export); diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_internal.h b/drivers/staging/lustre/lustre/ldlm/ldlm_internal.h index e870b3ebe9dd..1293f13fade1 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_internal.h +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_internal.h @@ -188,8 +188,6 @@ void ldlm_extent_unlink_lock(struct ldlm_lock *lock); int ldlm_process_flock_lock(struct ldlm_lock *req, __u64 *flags, int first_enq, ldlm_error_t *err, struct list_head *work_list); -int ldlm_init_flock_export(struct obd_export *exp); -void ldlm_destroy_flock_export(struct obd_export *exp); /* l_lock.c */ void l_check_ns_lock(struct ldlm_namespace *ns); -- 2.30.2