Function report |
Source Code:include\linux\refcount.h |
Create Date:2022-07-28 05:38:10 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:_inc_not_zero - increment a refcount unless it is 0*@r: the refcount to increment* Similar to atomic_inc_not_zero(), but will saturate at REFCOUNT_SATURATED* and WARN.* Provides no memory ordering, it is assumed the caller has guaranteed the
Proto:static inline __must_check bool refcount_inc_not_zero(refcount_t *r)
Type:bool
Parameter:
Type | Parameter | Name |
---|---|---|
refcount_t * | r |
Name | Describe |
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get_pi_state | |
btf_get_fd_by_id | |
perf_event_ctx_lock_nested | Because of perf_event::ctx migration in sys_perf_event_open::move_group and* perf_pmu_migrate_context() we need some magic.* Those places that change perf_event::ctx will hold both* perf_event_ctx::mutex of the 'old' and 'new' ctx value. |
perf_lock_task_context | Get the perf_event_context for a task and lock it.* This has to cope with with the fact that until it is locked,* the context could get moved to another task. |
ring_buffer_get | |
__perf_event_ctx_lock_double | Variation on perf_event_ctx_lock_nested(), except we take two context* mutexes. |
perf_aux_output_begin | This is called before hardware starts writing to the AUX area to* obtain an output handle and make sure there's room in the buffer |
mem_cgroup_id_get_online | |
ipc_rcu_getref | |
blk_mq_check_expired | |
key_lookup | Find a key by its serial number. |
find_keyring_by_name | Find a keyring with the specified name |
fsnotify_get_mark_safe | Get mark reference when we found the mark via lockless traversal of object* list. Mark can be already removed from the list by now and on its way to be* destroyed once SRCU period ends.* Also pin the group so it doesn't disappear under us. |
io_link_timeout_fn | |
io_uring_cancel_files | |
io_worker_get | |
add_existing_master_key | |
get_cached_acl |
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