dget_dlock identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Documented in 1 files:

include/linux/dcache.h, line 326

Defined in 1 files as a function:

include/linux/dcache.h, line 336 (as a function)

Referenced in 9 files:

Smatch caller information:

fs/configfs/dir.c detach_attrs() -> dget_dlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	dentry	4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		global &configfs_dirent_lock
LOCK2	0	&dentry->d_lockref.lock
HALF_LOCKED2		&dentry->d_inode->i_rwsem
HALF_LOCKED2		&dentry->d_lockref.lock
HALF_LOCKED2		&dentry->d_sb->s_vfs_rename_mutex
TYPE_LOCK		(struct lockref)->lock

fs/autofs/expire.c positive_after() -> dget_dlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	dentry	4096-ptr_max
DATA_SOURCE	0	dentry	$1 [m]
PREEMPT_ADD			<- disables preempt
NOCHECK_CALL
UNITS	0	dentry	unit_jiffy
LOCK2		&sbi->lookup_lock
LOCK2	0	&dentry->d_lockref.lock
HALF_LOCKED2		&found->d_lockref.lock
HALF_LOCKED2		&p->d_lockref.lock
TYPE_LOCK		(struct autofs_sb_info)->lookup_lock
TYPE_LOCK		(struct lockref)->lock

fs/ceph/mds_client.c ceph_wait_on_conflict_unlink() -> dget_dlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	dentry	4096-ptr_max
CAPPED_DATA	0	dentry->d_name.hash	1
CAPPED_DATA	0	dentry->d_parent	1
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
LOCK2	0	&dentry->d_lockref.lock
TYPE_LOCK		(struct lockref)->lock

fs/ceph/mds_client.c d_find_primary() -> dget_dlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	dentry	4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		&inode->i_lock
LOCK2	0	&dentry->d_lockref.lock
HALF_LOCKED2		&mdsc->snap_rwsem
HALF_LOCKED2		&s->lock
HALF_LOCKED2		&session->s_mutex
TYPE_LOCK		(struct inode)->i_lock
TYPE_LOCK		(struct lockref)->lock

fs/autofs/root.c autofs_lookup_active() -> dget_dlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	dentry	4096-ptr_max
CAPPED_DATA	0	dentry->d_name.hash	1
CAPPED_DATA	0	dentry->d_parent	1
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&sbi->lookup_lock
LOCK2	0	&dentry->d_lockref.lock
HALF_LOCKED2		&dentry->d_lockref.lock
HALF_LOCKED2		&dir->i_rwsem
TYPE_LOCK		(struct autofs_sb_info)->lookup_lock
TYPE_LOCK		(struct lockref)->lock

fs/autofs/root.c autofs_lookup_expiring() -> dget_dlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	dentry	4096-ptr_max
CAPPED_DATA	0	dentry->d_name.hash	1
CAPPED_DATA	0	dentry->d_parent	1
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&sbi->lookup_lock
LOCK2	0	&dentry->d_lockref.lock
HALF_LOCKED2		&path->dentry->d_lockref.lock
TYPE_LOCK		(struct autofs_sb_info)->lookup_lock
TYPE_LOCK		(struct lockref)->lock

fs/exportfs/expfs.c dget_alias_ilocked() -> dget_dlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	dentry	4096-ptr_max
PARAM_VALUE	0	dentry->d_lockref.count	1-s32max
DATA_SOURCE	0	dentry	$0
FUZZY_MAX	0	dentry->d_lockref.count	1
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&inode->i_lock
LOCK2	0	&dentry->d_lockref.lock
TYPE_LOCK		(struct inode)->i_lock
TYPE_LOCK		(struct lockref)->lock

fs/ceph/dir.c __dentry_leases_walk() -> dget_dlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	dentry	4096-ptr_max
PARAM_VALUE	0	dentry->d_lockref.count	s32min-(-129),(-127)-0
NOCHECK_CALL
LOCK2		&mdsc->dentry_list_lock
LOCK2	0	&dentry->d_lockref.lock
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct ceph_mds_client)->dentry_list_lock
TYPE_LOCK		(struct lockref)->lock

fs/ocfs2/dcache.c ocfs2_find_local_alias() -> dget_dlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	dentry	4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&inode->i_lock
LOCK2	0	&dentry->d_lockref.lock
HALF_LOCKED2		global &dentry_attach_lock
TYPE_LOCK		(struct inode)->i_lock
TYPE_LOCK		(struct lockref)->lock

fs/libfs.c find_next_child() -> dget_dlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	dentry	4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		&parent->d_lockref.lock
LOCK2	0	&dentry->d_lockref.lock
HALF_LOCKED2		&root->i_rwsem
TYPE_LOCK		(struct lockref)->lock

fs/libfs.c find_positive_dentry() -> dget_dlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	dentry	4096-ptr_max
DATA_SOURCE	0	dentry	$1 [m]
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	dentry->d_name.name
LOCK2		&parent->d_lockref.lock
LOCK2	0	&dentry->d_lockref.lock
HALF_LOCKED2		&dir_fp->readdir_lock
HALF_LOCKED2		&inode->i_rwsem
HALF_LOCKED2		rcu_read
TYPE_LOCK		(struct inode)->i_rwsem
TYPE_LOCK		(struct lockref)->lock

fs/libfs.c scan_positives() -> dget_dlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	dentry	4096-ptr_max
BIT_INFO	0	dentry->d_flags	0x0,0xfdffffff
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		&dentry->d_lockref.lock
LOCK2	0	&dentry->d_lockref.lock
HALF_LOCKED2		&dentry->d_inode->i_rwsem
TYPE_LOCK		(struct inode)->i_rwsem
TYPE_LOCK		(struct lockref)->lock

fs/dcache.c __d_find_alias() -> dget_dlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	dentry	4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&inode->i_lock
LOCK2	0	&dentry->d_lockref.lock
HALF_LOCKED2		&fc->killsb
HALF_LOCKED2		&fi->i_sem.internal_rwsem
HALF_LOCKED2		&inode->i_rwsem
HALF_LOCKED2		&inode->i_sb->s_umount
HALF_LOCKED2		&mdsc->mutex
HALF_LOCKED2		&nilfs->ns_snapshot_mount_mutex
HALF_LOCKED2		&seq->lock
HALF_LOCKED2		&session->s_mutex
TYPE_LOCK		(struct inode)->i_lock
TYPE_LOCK		(struct lockref)->lock

fs/dcache.c d_alloc() -> dget_dlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	dentry	4096-ptr_max
BUF_SIZE	0	dentry	(-1)-s32max
BUF_SIZE	0	dentry	(-1)-s32max
DATA_SOURCE	0	dentry	$0
STR_LEN	0	dentry	(-1)-s32max
STR_LEN	0	dentry	(-1)-s32max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	dentry->__d_name.hash	0-u32max[c]
USER_DATA	0	dentry->d_inode->i_mode	0-u16max
USER_DATA	0	dentry->d_inode->i_size	(-9223372036854775807)-(-4),0-s64max
USER_DATA	0	dentry->d_parent->__d_name.hash	0-u32max[c]
USER_DATA	0	dentry->d_sb->s_flags	0-u64max[c]
USER_DATA	0	*dentry->__d_name.name	0-255
USER_DATA	0	*dentry->d_parent->__d_name.name	0-255
NO_OVERFLOW_SIMPLE	0	dentry->d_inode->i_blkbits
NO_OVERFLOW_SIMPLE	0	dentry->d_sb->s_blocksize
NO_OVERFLOW_SIMPLE	0	dentry->d_sb->s_blocksize_bits
NO_OVERFLOW_SIMPLE	0	dentry->moved->d_inode->i_size
UNITS	0	dentry	unit_jiffy
USER_PTR	0	dentry->__d_name.name
USER_PTR	0	dentry->d_parent->__d_name.name
LOCK2	0	&dentry->d_lockref.lock
HALF_LOCKED2		&mdsc->snap_rwsem
HALF_LOCKED2		&req->r_fill_mutex
HALF_LOCKED2		&session->s_mutex
HALF_LOCKED2		global &efivars_lock
HALF_LOCKED2	0	&dentry->d_inode->i_rwsem
TYPE_LOCK		(struct lockref)->lock

fs/dcache.c d_alloc_parallel() -> dget_dlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	dentry	4096-ptr_max
BUF_SIZE	0	dentry	s32min,(-1)-s32max
BUF_SIZE	0	dentry	s32min,(-1)-s32max
DATA_SOURCE	0	dentry	$0
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	dentry->__d_name.hash	0-u32max[c]
USER_DATA	0	*dentry->__d_name.name	0-255
NO_OVERFLOW_SIMPLE	0	dentry->d_fsdata->d_fsdata
NO_OVERFLOW_SIMPLE	0	dentry->d_inode->i_size
NO_OVERFLOW_SIMPLE	0	dentry->d_sb->s_blocksize
NO_OVERFLOW_SIMPLE	0	dentry->d_sb->s_blocksize_bits
UNITS	0	dentry	unit_jiffy
USER_PTR	0	dentry->__d_name.name
LOCK2	0	&dentry->d_lockref.lock
HALF_LOCKED2		&dir_inode->i_rwsem
HALF_LOCKED2		&dvnode->rmdir_lock
HALF_LOCKED2		&inode->i_rwsem
HALF_LOCKED2	0	&dentry->d_inode->i_rwsem
TYPE_LOCK		(struct lockref)->lock

fs/dcache.c d_alloc_parallel() -> dget_dlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	dentry	4096-ptr_max
PARAM_VALUE	0	dentry->d_lockref.count	s32min-(-129),(-127)-s32max
CAPPED_DATA	0	dentry->d_name.hash	1
CAPPED_DATA	0	dentry->d_parent	1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&dentry->d_lockref.lock
HALF_LOCKED2		&dir_inode->i_rwsem
HALF_LOCKED2		&dvnode->rmdir_lock
HALF_LOCKED2		&inode->i_rwsem
TYPE_LOCK		(struct lockref)->lock

fs/dcache.c d_make_persistent() -> dget_dlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	dentry	4096-ptr_max
DATA_SOURCE	0	dentry	$0
BIT_INFO	0	dentry->d_flags	0x8000000,0xffffffff
PREEMPT_ADD			<- disables preempt
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	dentry->d_inode->i_size
LOCK2		&inode->i_lock
LOCK2	0	&dentry->d_lockref.lock
TYPE_LOCK		(struct inode)->i_lock
TYPE_LOCK		(struct lockref)->lock

fs/dcache.c dget_alias_ilocked() -> dget_dlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	dentry	4096-ptr_max
PARAM_VALUE	0	dentry->d_lockref.count	1-s32max
DATA_SOURCE	0	dentry	$0
FUZZY_MAX	0	dentry->d_lockref.count	1
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&inode->i_lock
LOCK2	0	&dentry->d_lockref.lock
TYPE_LOCK		(struct inode)->i_lock
TYPE_LOCK		(struct lockref)->lock

fs/dcache.c find_submount() -> dget_dlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	dentry	4096-ptr_max
BUF_SIZE	0	dentry	(-1)-s32max
BUF_SIZE	0	dentry	(-1)-s32max
DATA_SOURCE	0	dentry	$1
BIT_INFO	0	dentry->d_flags	0x0,0xfdffffff
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	dentry->__d_name.hash	0-u32max[c]
UNITS	0	dentry	unit_jiffy
USER_PTR	0	dentry->__d_name.name
LOCK2	0	&dentry->d_lockref.lock
HALF_LOCKED2		global &mount_lock.lock
HALF_LOCKED2		rcu_read
TYPE_LOCK		(struct lockref)->lock

fs/dcache.c shrink_dcache_for_umount() -> dget_dlock()

Type	Parameter	Key	Value
PARAM_VALUE	0	dentry	4096-ptr_max
PARAM_VALUE	0	dentry->d_lockref.count	s32min-(-129),(-127)-s32max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	0	dentry	unit_jiffy
USER_PTR	0	dentry->__d_name.name
LOCK2	0	&dentry->d_lockref.lock
HALF_LOCKED2		&s->s_umount
HALF_LOCKED2		&sb->s_umount
HALF_LOCKED2		global &cifs_mount_mutex
TYPE_LOCK		(struct lockref)->lock