ext4_should_dioread_nolock identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

fs/ext4/ext4_jbd2.h, line 412 (as a function)

Referenced in 2 files:

Smatch caller information:

fs/ext4/inode.c ext4_do_writepages() -> ext4_should_dioread_nolock()

Type	Parameter	Key	Value
PARAM_VALUE	0	inode	4096-ptr_max
PARAM_VALUE	0	inode->i_mapping	4096-ptr_max
PARAM_VALUE	0	inode->i_mapping->host	4096-ptr_max
PARAM_VALUE	0	inode->i_mapping->host->i_sb	4096-ptr_max
PARAM_VALUE	0	inode->i_mapping->i_pages.xa_flags	33554432-u32max
PARAM_VALUE	0	inode->i_mapping->nrpages	1-u64max
PARAM_VALUE	0	inode->i_sb	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING

fs/ext4/inode.c ext4_page_mkwrite() -> ext4_should_dioread_nolock()

Type	Parameter	Key	Value
PARAM_VALUE	0	inode	4096-ptr_max
PARAM_VALUE	0	inode->i_mapping	4096-ptr_max
PARAM_VALUE	0	inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	inode->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	inode->i_mapping->invalidate_lock.dep_map->name	0-255
PARAM_VALUE	0	inode->i_mapping->invalidate_lock.first_waiter->list.next	2212933610777083904
PARAM_VALUE	0	inode->i_mapping->invalidate_lock.first_waiter->list.prev	2212933610777083904
PARAM_VALUE	0	inode->i_mapping->invalidate_lock.first_waiter->type	0-1
PARAM_VALUE	0	inode->i_sb	4096-ptr_max
PARAM_VALUE	0	inode->i_sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	inode->i_sb->s_umount.first_waiter->type	0-1
CAPPED_DATA	0	inode	1
CAPPED_DATA	0	inode->i_sb	1
BIT_INFO	0	inode->i_flags	0x0,0xfffffff7
RX_PATH
TASK_NOT_RUNNING
LOCK2		&mapping->invalidate_lock
TYPE_LOCK		(struct address_space)->invalidate_lock

fs/ext4/inode.c ext4_write_begin() -> ext4_should_dioread_nolock()

Type	Parameter	Key	Value
PARAM_VALUE	0	inode	4096-ptr_max
PARAM_VALUE	0	inode->i_mapping->invalidate_lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	inode->i_mapping->invalidate_lock.first_waiter->type	0-1
PARAM_VALUE	0	inode->i_sb	4096-ptr_max
PARAM_VALUE	0	inode->i_sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648,2712
CAPPED_DATA	0	inode->i_sb	1
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&inode->i_rwsem

fs/ext4/inode.c mpage_map_one_extent() -> ext4_should_dioread_nolock()

Type	Parameter	Key	Value
PARAM_VALUE	0	inode	4096-ptr_max
PARAM_VALUE	0	inode->i_sb	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING

fs/ext4/inline.c ext4_convert_inline_data_to_extent() -> ext4_should_dioread_nolock()

Type	Parameter	Key	Value
PARAM_VALUE	0	inode	4096-ptr_max
PARAM_VALUE	0	inode->i_ino	2-u32max
PARAM_VALUE	0	inode->i_mapping->invalidate_lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	inode->i_mapping->invalidate_lock.first_waiter->type	0-1
PARAM_VALUE	0	inode->i_sb	4096-ptr_max
PARAM_VALUE	0	inode->i_sb->s_bdev->bd_mapping->i_private_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	inode->i_sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_bal_2orders.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_bal_allocated.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_bal_breaks.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_bal_ex_scanned.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_bal_goals.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_bal_groups_scanned.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_bal_len_goals.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_bal_reqs.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_bal_stream_goals.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_bal_success.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_dirs_counter.lock.magic	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_dirs_counter.lock.owner_cpu	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_dirs_counter.lock.raw_lock.locked	0-255
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_dirs_counter.lock.raw_lock.locked_pending	0-u16max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_dirs_counter.lock.raw_lock.pending	0-255
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_dirs_counter.lock.raw_lock.tail	0-u16max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_dirtyclusters_counter.lock.magic	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_dirtyclusters_counter.lock.owner_cpu	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_err_ratelimit_state.burst	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_err_ratelimit_state.flags	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_err_ratelimit_state.interval	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_err_ratelimit_state.lock.magic	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_err_ratelimit_state.lock.owner_cpu	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_err_ratelimit_state.missed.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_error_notify_mutex.osq.tail.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_fc_lock.osq.tail.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_fc_replay_state.fc_crc	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_fc_replay_state.fc_cur_tag	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_fc_replay_state.fc_current_pass	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_fc_replay_state.fc_modified_inodes_size	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_fc_replay_state.fc_modified_inodes_used	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_fc_replay_state.fc_regions_size	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_fc_replay_state.fc_regions_used	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_fc_replay_state.fc_regions_valid	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_fc_replay_state.fc_replay_expected_off	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_fc_replay_state.fc_replay_num_tags	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_fc_subtid.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_freeclusters_counter.lock.magic	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_freeinodes_counter.lock.magic	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_kobj.kref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_kobj.release.cpu	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_kobj.release.timer.flags	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_kobj.state_add_uevent_sent	0-1
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_kobj.state_in_sysfs	0-1
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_kobj.state_initialized	0-1
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_kobj.state_remove_uevent_sent	0-1
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_kobj.uevent_suppress	0-1
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_kobj_unregister.done	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_kobj_unregister.wait.lock.magic	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_kobj_unregister.wait.lock.owner_cpu	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_lock_busy.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_buddies_generated.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_discarded.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_free_pending.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_lost_chunks.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_preallocated.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_msg_count.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_msg_ratelimit_state.burst	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_msg_ratelimit_state.flags	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_msg_ratelimit_state.interval	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_msg_ratelimit_state.lock.magic	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_msg_ratelimit_state.lock.owner_cpu	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_msg_ratelimit_state.missed.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_orphan_info.of_blocks	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_orphan_info.of_csum_seed	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_orphan_lock.osq.tail.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_resgid.val	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_resuid.val	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_retry_alloc_pending.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_warning_count.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_warning_ratelimit_state.burst	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_warning_ratelimit_state.flags	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_warning_ratelimit_state.interval	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_warning_ratelimit_state.lock.magic	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_warning_ratelimit_state.lock.owner_cpu	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_writepages_rwsem.block.counter	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_writepages_rwsem.rss.gp_count	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_writepages_rwsem.rss.gp_state	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	inode->i_sb->s_umount.first_waiter->type	0-1
CAPPED_DATA	0	inode->i_ino	1
DATA_SOURCE	0	inode	$1
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&inode->i_rwsem