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Introduce ocf_refcnt_zeroed()

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Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
This commit is contained in:
Michal Mielewczyk 2024-09-04 19:26:21 +02:00
parent 1fbb00de8f
commit f4d9f0dcf6
2 changed files with 9 additions and 0 deletions
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6
src/utils/utils_refcnt.c
View File

@ -1,5 +1,6 @@
/* /*
* Copyright(c) 2019-2021 Intel Corporation * Copyright(c) 2019-2021 Intel Corporation
* Copyright(c) 2024 Huawei Technologies
* SPDX-License-Identifier: BSD-3-Clause * SPDX-License-Identifier: BSD-3-Clause
*/ */
@ -68,3 +69,8 @@ bool ocf_refcnt_frozen(struct ocf_refcnt *rc)
{ {
return !!env_atomic_read(&rc->freeze); return !!env_atomic_read(&rc->freeze);
} }
bool ocf_refcnt_zeroed(struct ocf_refcnt *rc)
{
return (env_atomic_read(&rc->counter) == 0);
}

3
src/utils/utils_refcnt.h
View File

@ -1,5 +1,6 @@
/* /*
* Copyright(c) 2019-2021 Intel Corporation * Copyright(c) 2019-2021 Intel Corporation
* Copyright(c) 2024 Huawei Technologies
* SPDX-License-Identifier: BSD-3-Clause * SPDX-License-Identifier: BSD-3-Clause
*/ */
@ -40,6 +41,8 @@ void ocf_refcnt_unfreeze(struct ocf_refcnt *rc);
bool ocf_refcnt_frozen(struct ocf_refcnt *rc); bool ocf_refcnt_frozen(struct ocf_refcnt *rc);
bool ocf_refcnt_zeroed(struct ocf_refcnt *rc);
/* Register callback to be called when reference counter drops to 0. /* Register callback to be called when reference counter drops to 0.
* Must be called after counter is frozen. * Must be called after counter is frozen.
* Cannot be called until previously regsitered callback had fired. */ * Cannot be called until previously regsitered callback had fired. */