ext4_update_dx_flag identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

fs/ext4/ext4.h, line 3015 (as a function)

Referenced in 2 files:

Smatch caller information:

fs/ext4/inline.c ext4_add_dirent_to_inline() -> ext4_update_dx_flag()

Type	Parameter	Key	Value
PARAM_VALUE	0	inode	4096-ptr_max
PARAM_VALUE	0	inode->i_sb	4096-ptr_max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_add_error_count	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_addr_per_block_bits	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_awu_max	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_awu_min	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_bdev_wb_err	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_blockfile_groups	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_cluster_bits	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_cluster_ratio	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_csum_seed	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_def_hash_version	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_def_mount_opt	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_def_mount_opt2	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_desc_per_block_bits	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_extent_max_zeroout_kb	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_fc_bytes	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_fc_debug_max_replay	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_fc_ineligible_tid	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_first_error_code	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_first_error_ino	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_first_error_line	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_first_ino	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_flex_groups_allocated	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_group_info_size	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_groups_count	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_hash_unsigned	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_inode_goal	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_inode_readahead_blks	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_inode_size	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_jquota_fmt	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_last_error_code	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_last_error_ino	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_last_error_line	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_li_wait_mult	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_log_groups_per_flex	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_max_batch_time	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_max_dir_size_kb	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_max_folio_order	0-u16max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_best_avail_max_trim_order	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_group_prealloc	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_max_linear_groups	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_max_to_scan	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_min_to_scan	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_nr_global_goals	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_order2_reqs	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_prefetch	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_prefetch_limit	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_stats	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_stream_request	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_min_batch_time	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_min_folio_order	0-u16max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mount_opt	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mount_opt2	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mount_state	0-u16max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_pad	0-u16max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_sb_update_kb	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_sb_update_sec	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_want_extra_isize	0-4294967295
CAPPED_DATA	0	inode->i_ino	1
CAPPED_DATA	0	inode->i_sb->s_time_max	1
DATA_SOURCE	0	inode	$2
PARAM_COMPARE	0	inode->i_sb->s_time_max	>= $0->i_sb->s_time_min
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA	0	inode->i_size	(-9223372036854775807)-(-4),0-s64max

fs/ext4/namei.c __ext4_unlink() -> ext4_update_dx_flag()

Type	Parameter	Key	Value
PARAM_VALUE	0	inode	4096-ptr_max
PARAM_VALUE	0	inode->i_sb	4096-ptr_max
CAPPED_DATA	0	inode	1
CAPPED_DATA	0	inode->i_sb	1
CAPPED_DATA	0	inode->i_sb->s_time_max	1
DATA_SOURCE	0	inode	$0
PARAM_COMPARE	0	inode->i_sb->s_time_max	>= $0->i_sb->s_time_min
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&target->i_rwsem
HALF_LOCKED2	0	&inode->i_rwsem

fs/ext4/namei.c add_dirent_to_buf() -> ext4_update_dx_flag()

Type	Parameter	Key	Value
PARAM_VALUE	0	inode	4096-ptr_max
PARAM_VALUE	0	inode->i_sb	4096-ptr_max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_bdev_wb_err	0-4294967295
CAPPED_DATA	0	inode	1
CAPPED_DATA	0	inode->i_sb	1
CAPPED_DATA	0	inode->i_sb->s_time_max	1
DATA_SOURCE	0	inode	$2
PARAM_COMPARE	0	inode->i_sb->s_time_max	>= $0->i_sb->s_time_min
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA	0	inode->i_size	(-9223372036854775807)-(-4),0-s64max

fs/ext4/namei.c ext4_mkdir() -> ext4_update_dx_flag()

Type	Parameter	Key	Value
PARAM_VALUE	0	inode	4096-ptr_max
PARAM_VALUE	0	inode->i_sb	4096-ptr_max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_add_error_count	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_addr_per_block_bits	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_awu_max	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_awu_min	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_bdev_wb_err	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_blockfile_groups	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_cluster_bits	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_cluster_ratio	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_csum_seed	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_def_hash_version	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_def_mount_opt	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_def_mount_opt2	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_desc_per_block_bits	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_extent_max_zeroout_kb	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_fc_bytes	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_fc_debug_max_replay	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_fc_ineligible_tid	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_first_error_code	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_first_error_ino	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_first_error_line	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_first_ino	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_flex_groups_allocated	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_group_info_size	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_groups_count	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_hash_unsigned	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_inode_goal	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_inode_readahead_blks	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_inode_size	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_jquota_fmt	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_last_error_code	s32min-s32max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_last_error_ino	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_last_error_line	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_li_wait_mult	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_log_groups_per_flex	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_max_batch_time	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_max_dir_size_kb	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_max_folio_order	0-u16max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_best_avail_max_trim_order	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_group_prealloc	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_max_linear_groups	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_max_to_scan	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_min_to_scan	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_nr_global_goals	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_order2_reqs	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_prefetch	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_prefetch_limit	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_stats	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mb_stream_request	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_min_batch_time	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_min_folio_order	0-u16max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mount_opt	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mount_opt2	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_mount_state	0-u16max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_pad	0-u16max
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_sb_update_kb	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_sb_update_sec	0-4294967295
PARAM_VALUE	0	inode->i_sb->s_fs_info->s_want_extra_isize	0-4294967295
BUF_SIZE	0	inode	(-1),1160
BUF_SIZE	0	inode	(-1),1160
CAPPED_DATA	0	inode->i_sb	1
CAPPED_DATA	0	inode->i_sb->s_user_ns->gid_map.nr_extents	1
CAPPED_DATA	0	inode->i_sb->s_user_ns->uid_map.nr_extents	1
DATA_SOURCE	0	inode	$1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA	0	inode->__i_nlink	1-u32max
USER_DATA	0	inode->i_mode	0-u16max
USER_DATA	0	inode->i_size	(-9223372036854775807)-(-4),0-s64max
HALF_LOCKED2		&dentry->d_lockref.lock

fs/ext4/namei.c ext4_rmdir() -> ext4_update_dx_flag()

Type	Parameter	Key	Value
PARAM_VALUE	0	inode	4096-ptr_max
PARAM_VALUE	0	inode->i_sb	4096-ptr_max
CAPPED_DATA	0	inode	1
CAPPED_DATA	0	inode->i_sb	1
CAPPED_DATA	0	inode->i_sb->s_time_max	1
DATA_SOURCE	0	inode	$0
PARAM_COMPARE	0	inode->i_sb->s_time_max	>= $0->i_sb->s_time_min
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&dentry->d_inode->i_rwsem
HALF_LOCKED2		&dentry->d_lockref.lock
HALF_LOCKED2		&dentry->d_sb->s_vfs_rename_mutex
HALF_LOCKED2		&dir->d_inode->i_rwsem
HALF_LOCKED2	0	&inode->i_rwsem
TYPE_LOCK		(struct inode)->i_rwsem