ext4_mb_load_buddy 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/mballoc.c, line 1831 (as a function)

Referenced in 1 files:

fs/ext4/mballoc.c

Smatch caller information:

fs/ext4/mballoc.c ext4_discard_allocated_blocks() -> ext4_mb_load_buddy()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	0	sb->s_export_op->encode_fh	0,2,1398972869330624512,1616549510479982592,2037984473558433792,2776440803454029824,3228746867770966016,3502492669594062848,3526768263295340544,3559173554394271744,5000850239487131648,5583386343686406144,5817357685191483392-s64max
PARAM_VALUE	0	sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	sb->s_export_op->fh_to_parent	0,4672,148606482432692224,436469935444291584,457356038048772096,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000-s64max
PARAM_VALUE	0	sb->s_export_op->get_parent	0,8931,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
PARAM_VALUE	2	e4b	8736461515628625920
RX_PATH
TASK_NOT_RUNNING
UNITS	0	sb	unit_byte
UNITS	1	group	unit_byte

fs/ext4/mballoc.c ext4_discard_work() -> ext4_mb_load_buddy()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	2	e4b	3133407351631155200
BIT_INFO	0	sb->s_flags	0x40000000,0xffffffffffffffff
UNITS	1	group	unit_byte
HALF_LOCKED2		&pool->lock

fs/ext4/mballoc.c ext4_free_data_in_buddy() -> ext4_mb_load_buddy()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	2	e4b	2712411446624993280
BUF_SIZE	0	sb	2816
BUF_SIZE	0	sb	2816
DATA_SOURCE	0	sb	$0
RX_PATH
TASK_NOT_RUNNING
UNITS	1	group	unit_byte

fs/ext4/mballoc.c ext4_group_add_blocks() -> ext4_mb_load_buddy()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	0	sb->s_bdev->bd_mapping	4096-ptr_max
PARAM_VALUE	0	sb->s_cop->empty_dir	0,4096-ptr_max
PARAM_VALUE	0	sb->s_cop->inode_info_offs	1632,1808,2632,2648
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_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_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_op->show_path	0,4096-ptr_max
PARAM_VALUE	2	e4b	1078369585021046784
DATA_SOURCE	0	sb	$1
UNITS	0	sb	unit_byte

fs/ext4/mballoc.c ext4_mb_discard_group_preallocations() -> ext4_mb_load_buddy()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	0	sb->s_bdev->bd_mapping->i_private_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	group	0-4294967294
PARAM_VALUE	2	e4b	4685345284996517888
CAPPED_DATA	1	group	1
DATA_SOURCE	0	sb	$0
DATA_SOURCE	1	group	$1
RX_PATH
TASK_NOT_RUNNING
UNITS	0	sb	unit_byte
UNITS	1	group	unit_byte

fs/ext4/mballoc.c ext4_mb_find_by_goal() -> ext4_mb_load_buddy()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	0	sb->s_cop->inode_info_offs	1632,1808,2632,2648,2704,2712
PARAM_VALUE	0	sb->s_fs_info	4096-ptr_max
PARAM_VALUE	1	group	0-4294967294
PARAM_VALUE	2	e4b	6774481802070482944
CAPPED_DATA	1	group	1
DATA_SOURCE	2	e4b	$1
NOSPEC	1	group
NOSPEC	1	group
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	group	0-4294967294[c]
UNITS	0	sb	unit_byte
UNITS	1	group	unit_byte

fs/ext4/mballoc.c ext4_mb_load_buddy_test() -> ext4_mb_load_buddy()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	0	sb->s_blocksize	0-4096
PARAM_VALUE	1	group	1
PARAM_VALUE	2	e4b	50024927286890496,378089648672047104,4616388623411724288
BUF_SIZE	0	sb	s32min,(-10),1-s32max
BUF_SIZE	0	sb	s32min,(-10),1-s32max
DATA_SOURCE	0	sb	$0
DATA_SOURCE	1	group	$1
DATA_SOURCE	2	e4b	$2
FUZZY_MAX	0	sb->s_blocksize	4096
HARD_MAX	0	sb->s_blocksize	4096
NO_OVERFLOW_SIMPLE	0	sb->s_blocksize

fs/ext4/mballoc.c ext4_mb_scan_group() -> ext4_mb_load_buddy()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	0	sb->s_fs_info	4096-ptr_max
PARAM_VALUE	1	group	0-4294967294
BUF_SIZE	2	e4b	(-1),56
BUF_SIZE	2	e4b	(-1),56
CAPPED_DATA	1	group	1
DATA_SOURCE	1	group	$1
NOSPEC	1	group
NOSPEC	1	group
NOSPEC	2	e4b->bd_group
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	group	0-2147483648[c]
USER_DATA	2	e4b->bd_group	0-4294967294[c]
USER_DATA	2	e4b->bd_sb->s_flags	0-u64max[c]
NO_OVERFLOW_SIMPLE	2	e4b->bd_sb->s_blocksize
UNITS	0	sb	unit_byte
UNITS	1	group	unit_byte

fs/ext4/mballoc.c ext4_mb_seq_groups_show() -> ext4_mb_load_buddy()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	1	group	0-4294967294
PARAM_VALUE	2	e4b	2042921937901789184
BUF_SIZE	0	sb	s32min-(-2),1-s32max
BUF_SIZE	0	sb	s32min-(-2),1-s32max
CAPPED_DATA	1	group	1
DATA_SOURCE	0	sb	r pde_data
RX_PATH
TASK_NOT_RUNNING
UNITS	1	group	unit_byte
LOCK2		&seq->lock
TYPE_LOCK		(struct seq_file)->lock

fs/ext4/mballoc.c ext4_mb_try_best_found() -> ext4_mb_load_buddy()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	0	sb->s_cop->inode_info_offs	1632,1808,2632,2648,2704,2712
PARAM_VALUE	0	sb->s_export_op->encode_fh	0,2,1398972869330624512,1616549510479982592,2037984473558433792,2776440803454029824,3228746867770966016,3502492669594062848,3526768263295340544,3559173554394271744,5000850239487131648,5583386343686406144,5817357685191483392-s64max
PARAM_VALUE	0	sb->s_export_op->fh_to_dentry	0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE	0	sb->s_export_op->fh_to_parent	0,4672,148606482432692224,436469935444291584,457356038048772096,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000-s64max
PARAM_VALUE	0	sb->s_export_op->get_parent	0,8931,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
PARAM_VALUE	0	sb->s_fs_info	4096-ptr_max
PARAM_VALUE	2	e4b	6774481802070482944
DATA_SOURCE	2	e4b	$1
RX_PATH
TASK_NOT_RUNNING
USER_DATA	2	e4b->bd_group	0-4294967294[c]
UNITS	0	sb	unit_byte
UNITS	1	group	unit_byte

fs/ext4/mballoc.c ext4_mballoc_query_range() -> ext4_mb_load_buddy()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	0	sb->s_bdev	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_bal_2orders.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_bal_allocated.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_bal_breaks.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_bal_ex_scanned.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_bal_goals.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_bal_groups_scanned.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_bal_len_goals.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_bal_reqs.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_bal_stream_goals.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_bal_success.counter	s32min-s32max
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_dirs_counter.lock.magic	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_dirs_counter.lock.owner_cpu	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_dirs_counter.lock.raw_lock.locked	0-255
PARAM_VALUE	0	sb->s_fs_info->s_dirs_counter.lock.raw_lock.locked_pending	0-u16max
PARAM_VALUE	0	sb->s_fs_info->s_dirs_counter.lock.raw_lock.pending	0-255
PARAM_VALUE	0	sb->s_fs_info->s_dirs_counter.lock.raw_lock.tail	0-u16max
PARAM_VALUE	0	sb->s_fs_info->s_dirs_counter.lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_dirtyclusters_counter.lock.magic	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_dirtyclusters_counter.lock.owner_cpu	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_dirtyclusters_counter.lock.raw_lock.locked	0-255
PARAM_VALUE	0	sb->s_fs_info->s_dirtyclusters_counter.lock.raw_lock.locked_pending	0-u16max
PARAM_VALUE	0	sb->s_fs_info->s_dirtyclusters_counter.lock.raw_lock.pending	0-255
PARAM_VALUE	0	sb->s_fs_info->s_dirtyclusters_counter.lock.raw_lock.tail	0-u16max
PARAM_VALUE	0	sb->s_fs_info->s_ea_inode_work.cpu	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_ea_inode_work.timer.flags	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_err_ratelimit_state.burst	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_err_ratelimit_state.flags	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_err_ratelimit_state.interval	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_err_ratelimit_state.lock.magic	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_err_ratelimit_state.lock.owner_cpu	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_err_ratelimit_state.lock.raw_lock.locked	0-255
PARAM_VALUE	0	sb->s_fs_info->s_err_ratelimit_state.lock.raw_lock.locked_pending	0-u16max
PARAM_VALUE	0	sb->s_fs_info->s_err_ratelimit_state.lock.raw_lock.pending	0-255
PARAM_VALUE	0	sb->s_fs_info->s_err_ratelimit_state.lock.raw_lock.tail	0-u16max
PARAM_VALUE	0	sb->s_fs_info->s_err_ratelimit_state.missed.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_err_ratelimit_state.rs_n_left.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_err_report.flags	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_error_notify_mutex.osq.tail.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_es_stats.es_stats_all_cnt.lock.magic	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_es_stats.es_stats_all_cnt.lock.owner_cpu	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_es_stats.es_stats_cache_hits.lock.magic	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_es_stats.es_stats_cache_hits.lock.owner_cpu	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_es_stats.es_stats_cache_misses.lock.magic	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_es_stats.es_stats_cache_misses.lock.owner_cpu	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_es_stats.es_stats_shk_cnt.lock.magic	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_es_stats.es_stats_shk_cnt.lock.owner_cpu	0-4294967295
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_fc_lock.osq.tail.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_fc_replay_state.fc_crc	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_fc_replay_state.fc_cur_tag	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_fc_replay_state.fc_current_pass	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_fc_replay_state.fc_modified_inodes_size	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_fc_replay_state.fc_modified_inodes_used	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_fc_replay_state.fc_regions_size	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_fc_replay_state.fc_regions_used	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_fc_replay_state.fc_regions_valid	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_fc_replay_state.fc_replay_expected_off	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_fc_replay_state.fc_replay_num_tags	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_fc_subtid.counter	s32min-s32max
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_kobj.kref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_kobj.release.cpu	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_kobj.release.timer.flags	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_kobj.state_add_uevent_sent	0-1
PARAM_VALUE	0	sb->s_fs_info->s_kobj.state_in_sysfs	0-1
PARAM_VALUE	0	sb->s_fs_info->s_kobj.state_initialized	0-1
PARAM_VALUE	0	sb->s_fs_info->s_kobj.state_remove_uevent_sent	0-1
PARAM_VALUE	0	sb->s_fs_info->s_kobj.uevent_suppress	0-1
PARAM_VALUE	0	sb->s_fs_info->s_kobj_unregister.done	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_kobj_unregister.wait.lock.magic	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_kobj_unregister.wait.lock.owner_cpu	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_kobj_unregister.wait.lock.raw_lock.locked	0-255
PARAM_VALUE	0	sb->s_fs_info->s_kobj_unregister.wait.lock.raw_lock.locked_pending	0-u16max
PARAM_VALUE	0	sb->s_fs_info->s_kobj_unregister.wait.lock.raw_lock.pending	0-255
PARAM_VALUE	0	sb->s_fs_info->s_kobj_unregister.wait.lock.raw_lock.tail	0-u16max
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_lock_busy.counter	s32min-s32max
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_buddies_generated.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_mb_discarded.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_mb_free_pending.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_mb_group_prealloc	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_mb_lost_chunks.counter	s32min-s32max
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_preallocated.counter	s32min-s32max
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_msg_count.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_msg_ratelimit_state.burst	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_msg_ratelimit_state.flags	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_msg_ratelimit_state.interval	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_msg_ratelimit_state.lock.magic	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_msg_ratelimit_state.lock.owner_cpu	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_msg_ratelimit_state.lock.raw_lock.locked	0-255
PARAM_VALUE	0	sb->s_fs_info->s_msg_ratelimit_state.lock.raw_lock.locked_pending	0-u16max
PARAM_VALUE	0	sb->s_fs_info->s_msg_ratelimit_state.lock.raw_lock.pending	0-255
PARAM_VALUE	0	sb->s_fs_info->s_msg_ratelimit_state.lock.raw_lock.tail	0-u16max
PARAM_VALUE	0	sb->s_fs_info->s_msg_ratelimit_state.missed.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_msg_ratelimit_state.rs_n_left.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_orphan_info.of_blocks	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_orphan_info.of_csum_seed	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_orphan_lock.osq.tail.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_pad	0-u16max
PARAM_VALUE	0	sb->s_fs_info->s_resgid.val	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_resuid.val	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_retry_alloc_pending.counter	s32min-s32max
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_sra_exceeded_retry_limit.lock.magic	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_sra_exceeded_retry_limit.lock.owner_cpu	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_want_extra_isize	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_warning_count.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_warning_ratelimit_state.burst	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_warning_ratelimit_state.flags	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_warning_ratelimit_state.interval	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_warning_ratelimit_state.lock.magic	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_warning_ratelimit_state.lock.owner_cpu	0-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_warning_ratelimit_state.missed.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_warning_ratelimit_state.rs_n_left.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_writepages_rwsem.block.counter	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_writepages_rwsem.rss.gp_count	s32min-s32max
PARAM_VALUE	0	sb->s_fs_info->s_writepages_rwsem.rss.gp_state	s32min-s32max
PARAM_VALUE	2	e4b	1034343213852659712
CAPPED_DATA	1	group	1
DATA_SOURCE	0	sb	$0
DATA_SOURCE	1	group	$1

fs/ext4/mballoc.c ext4_trim_all_free() -> ext4_mb_load_buddy()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	0	sb->s_bdev	4096-ptr_max
PARAM_VALUE	1	group	0-4294967294
PARAM_VALUE	2	e4b	99521576913539072
CAPPED_DATA	0	sb->s_blocksize	1
CAPPED_DATA	1	group	1
DATA_SOURCE	0	sb	$0
DATA_SOURCE	1	group	$1
CAPABLE	0	21
NOSPEC	1	group
NOSPEC	1	group
USER_DATA	1	group	0-s32max[c]
UNITS	0	sb	unit_byte
UNITS	1	group	unit_byte