ext4_writepages_down_write 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.h, line 1897 (as a function)

Referenced in 3 files:

Smatch caller information:

fs/ext4/inode.c ext4_change_inode_journal_flag() -> ext4_writepages_down_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	0	sb->s_cop->inode_info_offs	1632,1808,2632,2648
PARAM_VALUE	0	sb->s_fs_info	4096-ptr_max
PARAM_VALUE	0	sb->s_fs_info->s_bdev_wb_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	sb->s_fs_info->s_error_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	sb->s_fs_info->s_freeclusters_counter->lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	sb->s_fs_info->s_freeclusters_counter.lock.owner	(-1)
PARAM_VALUE	0	sb->s_fs_info->s_freeclusters_counter.lock.owner_cpu	4294967295
PARAM_VALUE	0	sb->s_fs_info->s_freeinodes_counter->lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	sb->s_fs_info->s_freeinodes_counter.lock.owner	(-1)
PARAM_VALUE	0	sb->s_fs_info->s_freeinodes_counter.lock.owner_cpu	4294967295
PARAM_VALUE	0	sb->s_fs_info->s_journal->j_state_lock.dep_map->name	0-255
CAPPED_DATA	0	sb	1
CAPPED_DATA	0	sb->s_time_max	1
RX_PATH
TASK_NOT_RUNNING
UNITS	0	sb	unit_byte
LOCK2		&inode->i_mapping->invalidate_lock
LOCK2		&inode->i_rwsem
TYPE_LOCK		(struct address_space)->invalidate_lock
TYPE_LOCK		(struct inode)->i_rwsem

fs/ext4/migrate.c ext4_ext_migrate() -> ext4_writepages_down_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	0	sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648
PARAM_VALUE	0	sb->s_fs_info->s_add_error_count	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_addr_per_block_bits	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_awu_max	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_awu_min	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_bdev_wb_err	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_blockfile_groups	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_cluster_bits	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_cluster_ratio	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_csum_seed	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_def_hash_version	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_def_mount_opt	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_def_mount_opt2	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_desc_per_block_bits	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_extent_max_zeroout_kb	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_fc_bytes	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_fc_debug_max_replay	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_fc_ineligible_tid	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_first_error_code	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_first_error_ino	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_first_error_line	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_first_ino	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_flex_groups_allocated	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_group_info_size	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_groups_count	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_hash_unsigned	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_inode_goal	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_inode_readahead_blks	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_inode_size	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_jquota_fmt	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_last_error_code	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_last_error_ino	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_last_error_line	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_li_wait_mult	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_log_groups_per_flex	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_max_batch_time	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_max_dir_size_kb	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_max_folio_order	0-u16max
PARAM_VALUE	0	sb->s_fs_info->s_mb_best_avail_max_trim_order	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_group_prealloc	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_max_linear_groups	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_max_to_scan	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_min_to_scan	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_nr_global_goals	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_order2_reqs	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_prefetch	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_prefetch_limit	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_stats	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_stream_request	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_min_batch_time	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_min_folio_order	0-u16max
PARAM_VALUE	0	sb->s_fs_info->s_mount_opt	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mount_opt2	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mount_state	0-u16max
PARAM_VALUE	0	sb->s_fs_info->s_pad	0-u16max
PARAM_VALUE	0	sb->s_fs_info->s_sb_update_kb	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_sb_update_sec	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_want_extra_isize	0-4294967295
CAPPED_DATA	0	sb	1
RX_PATH
TASK_NOT_RUNNING
UNITS	0	sb	unit_byte
HALF_LOCKED2		&inode->i_rwsem
HALF_LOCKED2		&inode->i_rwsem
TYPE_LOCK		(struct inode)->i_rwsem

fs/ext4/migrate.c ext4_ind_migrate() -> ext4_writepages_down_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	0	sb->s_cop->inode_info_offs	1632,1808,2632,2648
PARAM_VALUE	0	sb->s_fs_info	4096-ptr_max
PARAM_VALUE	0	sb->s_fs_info->s_add_error_count	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_addr_per_block_bits	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_awu_max	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_awu_min	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_bdev_wb_err	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_bdev_wb_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	sb->s_fs_info->s_blockfile_groups	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_cluster_bits	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_cluster_ratio	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_csum_seed	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_def_hash_version	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_def_mount_opt	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_def_mount_opt2	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_desc_per_block_bits	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_error_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	sb->s_fs_info->s_extent_max_zeroout_kb	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_fc_bytes	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_fc_debug_max_replay	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_fc_ineligible_tid	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_first_error_code	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_first_error_ino	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_first_error_line	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_first_ino	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_flex_groups_allocated	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_freeclusters_counter->lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	sb->s_fs_info->s_freeclusters_counter.lock.owner	(-1)
PARAM_VALUE	0	sb->s_fs_info->s_freeclusters_counter.lock.owner_cpu	4294967295
PARAM_VALUE	0	sb->s_fs_info->s_freeinodes_counter->lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	sb->s_fs_info->s_freeinodes_counter.lock.owner	(-1)
PARAM_VALUE	0	sb->s_fs_info->s_freeinodes_counter.lock.owner_cpu	4294967295
PARAM_VALUE	0	sb->s_fs_info->s_group_info_size	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_groups_count	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_hash_unsigned	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_inode_goal	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_inode_readahead_blks	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_inode_size	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_journal->j_state_lock.dep_map->name	0-255
PARAM_VALUE	0	sb->s_fs_info->s_jquota_fmt	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_last_error_code	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_last_error_ino	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_last_error_line	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_li_wait_mult	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_log_groups_per_flex	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_max_batch_time	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_max_dir_size_kb	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_max_folio_order	0-u16max
PARAM_VALUE	0	sb->s_fs_info->s_mb_best_avail_max_trim_order	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_group_prealloc	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_max_linear_groups	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_max_to_scan	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_min_to_scan	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_nr_global_goals	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_order2_reqs	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_prefetch	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_prefetch_limit	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_stats	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_stream_request	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_min_batch_time	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_min_folio_order	0-u16max
PARAM_VALUE	0	sb->s_fs_info->s_mount_opt	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mount_opt2	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mount_state	0-u16max
PARAM_VALUE	0	sb->s_fs_info->s_pad	0-u16max
PARAM_VALUE	0	sb->s_fs_info->s_sb_update_kb	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_sb_update_sec	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_want_extra_isize	0-4294967295
CAPPED_DATA	0	sb	1
CAPPED_DATA	0	sb->s_time_max	1
RX_PATH
TASK_NOT_RUNNING
UNITS	0	sb	unit_byte
LOCK2		&inode->i_rwsem
TYPE_LOCK		(struct inode)->i_rwsem

fs/ext4/super.c __ext4_remount() -> ext4_writepages_down_write()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	0	sb->s_fs_info->s_add_error_count	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_addr_per_block_bits	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_awu_max	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_awu_min	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_bdev_wb_err	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_blockfile_groups	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_cluster_bits	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_cluster_ratio	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_csum_seed	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_def_hash_version	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_def_mount_opt	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_def_mount_opt2	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_desc_per_block_bits	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_extent_max_zeroout_kb	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_fc_bytes	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_fc_debug_max_replay	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_fc_ineligible_tid	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_first_error_code	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_first_error_ino	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_first_error_line	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_first_ino	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_flex_groups_allocated	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_group_info_size	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_groups_count	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_hash_unsigned	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_inode_goal	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_inode_readahead_blks	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_inode_size	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_jquota_fmt	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_last_error_code	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_last_error_ino	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_last_error_line	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_li_wait_mult	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_log_groups_per_flex	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_max_batch_time	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_max_dir_size_kb	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_max_folio_order	0-u16max
PARAM_VALUE	0	sb->s_fs_info->s_mb_best_avail_max_trim_order	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_group_prealloc	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_max_linear_groups	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_max_to_scan	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_min_to_scan	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_nr_global_goals	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_order2_reqs	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_prefetch	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_prefetch_limit	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_stats	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_stream_request	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_min_batch_time	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_min_folio_order	0-u16max
PARAM_VALUE	0	sb->s_fs_info->s_mount_opt	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mount_opt2	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mount_state	0-u16max
PARAM_VALUE	0	sb->s_fs_info->s_pad	0-u16max
PARAM_VALUE	0	sb->s_fs_info->s_sb_update_kb	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_sb_update_sec	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_want_extra_isize	0-4294967295
PARAM_VALUE	0	sb->s_writers.frozen	0
DATA_SOURCE	0	sb	$1
RX_PATH
TASK_NOT_RUNNING
UNITS	0	sb	unit_byte
HALF_LOCKED2		&fc->uapi_mutex
HALF_LOCKED2		&sb->s_umount