kernfs_path_from_node identifier - Linux source code next-20260811 - Bootlin Elixir Cross Referencer

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FIXME
- FIXME
  - next-20260811

Documented in 1 files:

fs/kernfs/dir.c, line 206

Defined in 1 files as a prototype:

include/linux/kernfs.h, line 407 (as a prototype)

Defined in 2 files as a function:

Referenced in 3 files:

Smatch caller information:

mm/damon/sysfs-common.c kernfs_path() -> kernfs_path_from_node()

Type	Parameter	Key	Value
PARAM_VALUE	1	from	0
PARAM_VALUE	2	buf	16,4096-ptr_max
PARAM_VALUE	3	buflen	4096
DATA_SOURCE	0	to	$0
DATA_SOURCE	2	buf	$1
DATA_SOURCE	3	buflen	$2
RX_PATH
TASK_NOT_RUNNING

block/blk-iocost.c kernfs_path() -> kernfs_path_from_node()

Type	Parameter	Key	Value
PARAM_VALUE	1	from	0
PARAM_VALUE	2	buf	8650842648623427584
PARAM_VALUE	3	buflen	1024
BUF_SIZE	2	buf	1024
BUF_SIZE	2	buf	1024
DATA_SOURCE	0	to	$0
DATA_SOURCE	2	buf	$1
DATA_SOURCE	3	buflen	$2
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		flags
LOCK2		global &trace_iocg_path_lock
HALF_LOCKED2		&ioc->lock
HALF_LOCKED2		&iocg->waitq.lock
HALF_LOCKED2		irq

fs/kernfs/dir.c pr_cont_kernfs_path() -> kernfs_path_from_node()

Type	Parameter	Key	Value
PARAM_VALUE	1	from	0
PARAM_VALUE	2	buf	7854981384475574272
PARAM_VALUE	3	buflen	4096
BUF_SIZE	2	buf	4096
DATA_SOURCE	0	to	$0
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
UNITS	3	buflen	unit_byte
LOCK2		flags
LOCK2		global &kernfs_pr_cont_lock
HALF_LOCKED2		&ioc->lock
HALF_LOCKED2		global &oom_lock
HALF_LOCKED2		irq

mm/vmscan.c kernfs_path() -> kernfs_path_from_node()

Type	Parameter	Key	Value
PARAM_VALUE	1	from	0
PARAM_VALUE	3	buflen	4096
BUF_SIZE	2	buf	s32min-(-2),1-s32max
BUF_SIZE	2	buf	s32min-(-2),1-s32max
DATA_SOURCE	0	to	$0
DATA_SOURCE	2	buf	$1
DATA_SOURCE	3	buflen	$2
RX_PATH
TASK_NOT_RUNNING
UNITS	2	buf	unit_array_size
LOCK2		&m->lock
TYPE_LOCK		(struct seq_file)->lock

kernel/sched/build_utility.c kernfs_path() -> kernfs_path_from_node()

Type	Parameter	Key	Value
PARAM_VALUE	1	from	0
PARAM_VALUE	2	buf	3174942213647273984,3178144796558471168,4979318139916517376,5588107505665544192
PARAM_VALUE	3	buflen	125,4096
BUF_SIZE	2	buf	128,4096
BUF_SIZE	2	buf	128,4096
DATA_SOURCE	0	to	$0
DATA_SOURCE	2	buf	$1
DATA_SOURCE	3	buflen	$2
RX_PATH
TASK_NOT_RUNNING
UNITS	3	buflen	unit_byte
LOCK2		rcu_read
HALF_LOCKED2		&m->lock
HALF_LOCKED2		global &sched_debug_lock

kernel/cgroup/cgroup.c cgroup_path_ns_locked() -> kernfs_path_from_node()

Type	Parameter	Key	Value
PARAM_VALUE	2	buf	4096-ptr_max
PARAM_VALUE	3	buflen	4096
BUF_SIZE	2	buf	4096
BUF_SIZE	2	buf	4096
DATA_SOURCE	2	buf	$1
DATA_SOURCE	3	buflen	$2
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		global &css_set_lock
LOCK2		irq
HALF_LOCKED2		&m->lock
HALF_LOCKED2		global &cgroup_mutex
HALF_LOCKED2		rcu_read

kernel/cgroup/cgroup.c cgroup_show_path() -> kernfs_path_from_node()

Type	Parameter	Key	Value
PARAM_VALUE	0	to	4096-ptr_max
PARAM_VALUE	0	to->__parent	0
PARAM_VALUE	2	buf	4096-ptr_max
PARAM_VALUE	3	buflen	4096
BUF_SIZE	0	to	s32min-(-1),1-s32max
BUF_SIZE	0	to	s32min-(-1),1-s32max
BUF_SIZE	2	buf	4096
BUF_SIZE	2	buf	4096
DATA_SOURCE	0	to	$1
DATA_SOURCE	2	buf	r _kmalloc_noprof
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		global &css_set_lock
LOCK2		irq
HALF_LOCKED2		&sf->lock
HALF_LOCKED2		global &namespace_sem

kernel/cgroup/cgroup.c kernfs_path() -> kernfs_path_from_node()

Type	Parameter	Key	Value
PARAM_VALUE	1	from	0
PARAM_VALUE	2	buf	1205399080422420480,5819024670428545024
PARAM_VALUE	3	buflen	256,1024
BUF_SIZE	2	buf	256,1024
BUF_SIZE	2	buf	256,1024
DATA_SOURCE	0	to	$0
DATA_SOURCE	2	buf	$1
DATA_SOURCE	3	buflen	$2
HARD_MAX	3	buflen	1024
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	3	buflen	unit_byte
HALF_LOCKED2		flags
HALF_LOCKED2		global &trace_cgroup_path_lock

kernel/cgroup/cgroup-v1.c kernfs_path() -> kernfs_path_from_node()

Type	Parameter	Key	Value
PARAM_VALUE	1	from	0
PARAM_VALUE	2	buf	1205399080422420480
PARAM_VALUE	3	buflen	1024
BUF_SIZE	2	buf	1024
BUF_SIZE	2	buf	1024
DATA_SOURCE	0	to	$0
DATA_SOURCE	2	buf	$1
DATA_SOURCE	3	buflen	$2
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		flags
LOCK2		global &cgroup_mutex
LOCK2		global &trace_cgroup_path_lock
HALF_LOCKED2		&pool->lock

kernel/events/core.c kernfs_path() -> kernfs_path_from_node()

Type	Parameter	Key	Value
PARAM_VALUE	0	to	4096-ptr_max
PARAM_VALUE	1	from	0
PARAM_VALUE	2	buf	4096-ptr_max
PARAM_VALUE	3	buflen	4088
BUF_SIZE	2	buf	4096
BUF_SIZE	2	buf	4096
DATA_SOURCE	0	to	$0
DATA_SOURCE	2	buf	$1
DATA_SOURCE	3	buflen	$2
RX_PATH
TASK_NOT_RUNNING
UNITS	3	buflen	unit_byte
HALF_LOCKED2		global &cgroup_mutex

kernel/cgroup/freezer.c kernfs_path() -> kernfs_path_from_node()

Type	Parameter	Key	Value
PARAM_VALUE	1	from	0
PARAM_VALUE	2	buf	1205399080422420480
PARAM_VALUE	3	buflen	1024
BUF_SIZE	2	buf	1024
BUF_SIZE	2	buf	1024
DATA_SOURCE	0	to	$0
DATA_SOURCE	2	buf	$1
DATA_SOURCE	3	buflen	$2
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		global &trace_cgroup_path_lock
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		flags
HALF_LOCKED2		global &cgroup_mutex
HALF_LOCKED2		global &css_set_lock

fs/sysfs/dir.c kernfs_path() -> kernfs_path_from_node()

Type	Parameter	Key	Value
PARAM_VALUE	0	to	4096-ptr_max
PARAM_VALUE	0	to->__parent	0
PARAM_VALUE	0	to->attr.open->nr_mmapped	0-4294967295
PARAM_VALUE	1	from	0
PARAM_VALUE	2	buf	4096-ptr_max
PARAM_VALUE	3	buflen	4096
BUF_SIZE	0	to	(-1),1-s32max
BUF_SIZE	0	to	(-1),1-s32max
BUF_SIZE	2	buf	4096
BUF_SIZE	2	buf	4096
DATA_SOURCE	0	to	$0
DATA_SOURCE	2	buf	$1
DATA_SOURCE	3	buflen	$2
STR_LEN	0	to	(-1),2-11,17
STR_LEN	0	to	(-1),2-11,17
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING