ext4_sb_breadahead_unmovable identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

fs/ext4/ext4.h, line 3306 (as a prototype)

Defined in 1 files as a function:

fs/ext4/super.c, line 278 (as a function)

Referenced in 2 files:

Smatch caller information:

fs/ext4/inode.c __ext4_get_inode_loc() -> ext4_sb_breadahead_unmovable()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	0	sb->__s_d_op->d_automount	0,2908707185815040000,3401111987815645184,6746145930460459008,7190988915944083456,7386785427940065280,8018779550845526016
PARAM_VALUE	0	sb->__s_d_op->d_init	0,2385819921126617088,7057831443282669568,7824184004865302528
PARAM_VALUE	0	sb->__s_d_op->d_iput	0,170374395438985216,837750826476904448,5086081384299388928,8216155483032948736
PARAM_VALUE	0	sb->__s_d_op->d_manage	0,1859587847549206528
PARAM_VALUE	0	sb->__s_d_op->d_prune	0,2225594340392566784,7225953709177749504
PARAM_VALUE	0	sb->__s_d_op->d_real	0,4509355519306412032
PARAM_VALUE	0	sb->__s_d_op->d_unalias_trylock	0,6635409759016140800
PARAM_VALUE	0	sb->__s_d_op->d_unalias_unlock	0,6336447517789900800
PARAM_VALUE	0	sb->__s_d_op->d_weak_revalidate	0,1549882712720502784,5632434648052031488,5669063523602272256,7231033168839651328
PARAM_VALUE	0	sb->dq_op->alloc_dquot	4096-ptr_max
PARAM_VALUE	0	sb->dq_op->get_inode_usage	0,478478298702749696
PARAM_VALUE	0	sb->dq_op->get_next_id	4096-ptr_max
PARAM_VALUE	0	sb->dq_op->get_reserved_space	0,2714301432243118080,7480565811357794304
PARAM_VALUE	0	sb->s_bdev	4096-ptr_max
PARAM_VALUE	0	sb->s_bdev->bd_holder_ops->freeze	7536128971011219456
PARAM_VALUE	0	sb->s_bdev->bd_holder_ops->mark_dead	3524860355147841536
PARAM_VALUE	0	sb->s_bdev->bd_holder_ops->sync	8235259936313790464
PARAM_VALUE	0	sb->s_bdev->bd_mapping	4096-ptr_max
PARAM_VALUE	0	sb->s_bdev->bd_mapping->i_private_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	sb->s_cop->empty_dir	0,86,4096-ptr_max
PARAM_VALUE	0	sb->s_cop->get_context	0,706,4096-ptr_max
PARAM_VALUE	0	sb->s_cop->inode_info_offs	1632,1640,1720,1808,1816,2632,2640,2648,2704,2712
PARAM_VALUE	0	sb->s_cop->set_context	0,67,4096-ptr_max
PARAM_VALUE	0	sb->s_export_op->block_ops	0,5961889059343175680
PARAM_VALUE	0	sb->s_export_op->commit_metadata	0,240803493533007872,5538665924712296448,6872150948047065088
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	0,4672,5297,148606482432692224,436469935444291584,457356038048772096,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000-s64max
PARAM_VALUE	0	sb->s_export_op->flags	0,127
PARAM_VALUE	0	sb->s_export_op->get_name	0,3053585434600701952,4446407003036676096,4451526262822047744,5730886654511411200
PARAM_VALUE	0	sb->s_export_op->get_parent	0,8931,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1293513186369728512,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488-s64max
PARAM_VALUE	0	sb->s_export_op->open	0,631201664538705920,4233052046380007424
PARAM_VALUE	0	sb->s_export_op->permission	0,4382650131406278656,6192445826193477632
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_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->dirty_inode	0,621408797344559104,3913825662048972800,5398169538550730752,5762663374499221504,5910256729421369344,7426269908539875328,8470241182936211456
PARAM_VALUE	0	sb->s_op->free_cached_objects	0,1608608064889520128,2908075336534528000,7579570136908226560
PARAM_VALUE	0	sb->s_op->freeze_super	0,2519477815684136960
PARAM_VALUE	0	sb->s_op->get_dquots	0,923857830404186112,1651117494515085312,1702335611975081984,5677984871528976384,5868281143574761472,6238878744837341184
PARAM_VALUE	0	sb->s_op->nr_cached_objects	0,456927727844597760,2165740340428103680,6857875743730688000
PARAM_VALUE	0	sb->s_op->quota_read	0,1231493512506486784,5429134974858194944,6767320843600449536,8807892756092534784,9061218535664717824
PARAM_VALUE	0	sb->s_op->quota_write	0,1834231028351041536,5468135944504233984,6708629384185118720,8162305775088627712,8801674826347085824
PARAM_VALUE	0	sb->s_op->remove_bdev	0,4640431662171430912
PARAM_VALUE	0	sb->s_op->report_error	0,4072367486062256128
PARAM_VALUE	0	sb->s_op->show_devname	0,1010349334253707264,4405032975229669376,7670745387818385408,8380631456597626880
PARAM_VALUE	0	sb->s_op->show_path	0,1168827736746610688,4549358393651167232,6955726544838414336,7969778861266182144
PARAM_VALUE	0	sb->s_op->show_stats	0,506057586286567424,909742538172280832,5476998243496673280,7378982553835122688
PARAM_VALUE	0	sb->s_op->shutdown	0,270907176096247808,394905300707143680,1621038160951336960,2742114378027888640,4674517140434182144,5302154572152815616,9061279276729196544
PARAM_VALUE	0	sb->s_op->thaw_super	0,5766127971694489600
PARAM_VALUE	0	sb->s_op->umount_begin	0,1715867000213852160,2996636628827439104,6144602640128442368,6892802180082667520,7121838532207407104
PARAM_VALUE	0	sb->s_qcop->get_dqblk	4096-ptr_max
PARAM_VALUE	0	sb->s_qcop->get_state	4096-ptr_max
PARAM_VALUE	0	sb->s_qcop->quota_sync	0,1130962422595588096,2593409015288025088,7799822221866086400
PARAM_VALUE	0	sb->s_qcop->set_dqblk	4096-ptr_max
PARAM_VALUE	0	sb->s_umount.first_waiter->handoff_set	0-1
PARAM_VALUE	0	sb->s_umount.first_waiter->type	0-1
PARAM_VALUE	1	block	0-6442450942
BUF_SIZE	0	sb	(-1),80,2752,2816
BUF_SIZE	0	sb	(-1),80,2752,2816
DATA_SOURCE	0	sb	$0
STR_LEN	0	sb	(-1),8
STR_LEN	0	sb	(-1),8
BIT_INFO	1	block	0x0,0x1ffffffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA	0	sb->s_flags	0-u64max[c]
USER_DATA	1	block	0-6442450941[c]
NO_OVERFLOW_SIMPLE	0	sb->s_blocksize
NO_OVERFLOW_SIMPLE	0	sb->s_blocksize_bits
UNITS	0	sb	unit_byte

fs/ext4/super.c ext4_group_desc_init() -> ext4_sb_breadahead_unmovable()

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_bdev->bd_mapping->i_private_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	sb->s_bdev_file	4096-ptr_max
PARAM_VALUE	0	sb->s_bdev_file->f_mapping->host->i_blkbits	9-73
PARAM_VALUE	0	sb->s_bdev_file->f_mapping->host->i_mapping->invalidate_lock.dep_map->name	0-255
PARAM_VALUE	0	sb->s_bdev_file->f_mapping->host->i_mapping->invalidate_lock.first_waiter->type	0-1
PARAM_VALUE	0	sb->s_bdev_file->f_mapping->host->i_rwsem.dep_map->name	0-255
PARAM_VALUE	0	sb->s_bdev_file->f_mapping->host->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	sb->s_bdev_file->f_mapping->host->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	sb->s_bdev_file->private_data	1-ptr_max
PARAM_VALUE	0	sb->s_bdi	4096-ptr_max
PARAM_VALUE	0	sb->s_blocksize	512-65536
PARAM_VALUE	0	sb->s_blocksize_bits	9-73
PARAM_VALUE	0	sb->s_export_op->encode_fh	0,4096-ptr_max
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_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_es->s_first_ino	11
PARAM_VALUE	0	sb->s_fs_info->s_es->s_flags	0,2-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_es->s_inode_size	128
PARAM_VALUE	0	sb->s_fs_info->s_es->s_journal_inum	1-4294967295
PARAM_VALUE	0	sb->s_fs_info->s_es->s_reserved_gdt_blocks	0-16384
PARAM_VALUE	0	sb->s_fs_info->s_es->s_rev_level	1
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_iflags	0,16384-u64max
PARAM_VALUE	0	sb->s_magic	61267
PARAM_VALUE	0	sb->s_op->shutdown	0,4096-ptr_max
PARAM_VALUE	0	sb->s_root	0
PARAM_VALUE	0	sb->s_time_gran	1000000000
PARAM_VALUE	0	sb->s_time_max	s32max
PARAM_VALUE	0	sb->s_time_min	s32min
PARAM_VALUE	0	*sb->s_fs_info->s_hash_seed	0-4294967295
BUF_SIZE	0	sb	(-1),2880
BUF_SIZE	0	sb	(-1),2880
CAPPED_DATA	0	sb->s_blocksize	1
CAPPED_DATA	0	sb->s_blocksize_bits	1
DATA_SOURCE	0	sb	$0
DATA_SOURCE	1	block	r descriptor_loc
STR_LEN	0	sb	(-1),8
STR_LEN	0	sb	(-1),8
BIT_INFO	0	sb->s_iflags	0x4000,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA	0	sb->s_flags	0-u64max[c]
HALF_LOCKED2		&fc->uapi_mutex