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Date: Thu, 1 Oct 2015 00:12:23 -0400
From: green@...uxhacker.ru
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
devel@...verdev.osuosl.org,
Andreas Dilger <andreas.dilger@...el.com>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Lustre Development List <lustre-devel@...ts.lustre.org>,
Oleg Drokin <green@...uxhacker.ru>
Subject: [PATCH 13/32] staging/lustre/ldlm: Remove unused ldlm_init/fini_flock_export
From: Oleg Drokin <green@...uxhacker.ru>
And all supporting export infrastructure. There's no use for it
all on client.
Signed-off-by: Oleg Drokin <green@...uxhacker.ru>
---
drivers/staging/lustre/lustre/ldlm/ldlm_flock.c | 102 ---------------------
drivers/staging/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 ab670fc..bb8ecc8 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 e870b3e..1293f13 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);
--
2.1.0
--
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