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staging/lustre/ldlm: Remove unused ldlm_cancel_locks_for_exports()

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This is only used on the server in case a client gets disconnected.

Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Oleg Drokin
2015-10-01 00:12:18 -04:00
committed by Greg Kroah-Hartman
parent 3dd5a6ba55
commit 8a7c086d8c
2 changed files with 0 additions and 52 deletions
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2
drivers/staging/lustre/lustre/ldlm/ldlm_internal.h
View File

@@ -164,8 +164,6 @@ void ldlm_lock_add_to_lru(struct ldlm_lock *lock);
void ldlm_lock_touch_in_lru(struct ldlm_lock *lock);
void ldlm_lock_destroy_nolock(struct ldlm_lock *lock);
void ldlm_cancel_locks_for_export(struct obd_export *export);
/* ldlm_lockd.c */
int ldlm_bl_to_thread_lock(struct ldlm_namespace *ns, struct ldlm_lock_desc *ld,
struct ldlm_lock *lock);

50
drivers/staging/lustre/lustre/ldlm/ldlm_lock.c
View File

@@ -2011,56 +2011,6 @@ struct export_cl_data {
int ecl_loop;
};
/**
* Iterator function for ldlm_cancel_locks_for_export.
* Cancels passed locks.
*/
int ldlm_cancel_locks_for_export_cb(struct cfs_hash *hs, struct cfs_hash_bd *bd,
struct hlist_node *hnode, void *data)
{
struct export_cl_data *ecl = (struct export_cl_data *)data;
struct obd_export *exp = ecl->ecl_exp;
struct ldlm_lock *lock = cfs_hash_object(hs, hnode);
struct ldlm_resource *res;
res = ldlm_resource_getref(lock->l_resource);
LDLM_LOCK_GET(lock);
LDLM_DEBUG(lock, "export %p", exp);
ldlm_res_lvbo_update(res, NULL, 1);
ldlm_lock_cancel(lock);
ldlm_reprocess_all(res);
ldlm_resource_putref(res);
LDLM_LOCK_RELEASE(lock);
ecl->ecl_loop++;
if ((ecl->ecl_loop & -ecl->ecl_loop) == ecl->ecl_loop) {
CDEBUG(D_INFO,
"Cancel lock %p for export %p (loop %d), still have %d locks left on hash table.\n",
lock, exp, ecl->ecl_loop,
atomic_read(&hs->hs_count));
}
return 0;
}
/**
* Cancel all locks for given export.
*
* Typically called on client disconnection/eviction
*/
void ldlm_cancel_locks_for_export(struct obd_export *exp)
{
struct export_cl_data ecl = {
.ecl_exp = exp,
.ecl_loop = 0,
};
cfs_hash_for_each_empty(exp->exp_lock_hash,
ldlm_cancel_locks_for_export_cb, &ecl);
}
/**
* Downgrade an exclusive lock.
*