ext4_read_block_bitmap 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 prototype:

fs/ext4/ext4.h, line 2917 (as a prototype)

Defined in 1 files as a function:

fs/ext4/balloc.c, line 599 (as a function)

Referenced in 3 files:

Smatch caller information:

fs/ext4/ialloc.c ext4_mark_inode_used() -> ext4_read_block_bitmap()

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	0	sb->s_cop->empty_dir	0,4096-ptr_max
PARAM_VALUE	0	sb->s_cop->inode_info_offs	1632,1720,2632,2648
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_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	1	block_group	0-4294967294
BUF_SIZE	0	sb	2816
BUF_SIZE	0	sb	2816
CAPPED_DATA	1	block_group	1
DATA_SOURCE	0	sb	$0

fs/ext4/mballoc.c ext4_discard_preallocations() -> ext4_read_block_bitmap()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	0	sb->s_fs_info	4096-ptr_max
PARAM_VALUE	1	block_group	0-4294967294
BUF_SIZE	0	sb	(-1),2880
BUF_SIZE	0	sb	(-1),2880
CAPPED_DATA	1	block_group	1
DATA_SOURCE	1	block_group	r ext4_get_group_number
NOSPEC	1	block_group
NOSPEC	1	block_group
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	sb->s_flags	0-u64max[c]
USER_DATA	0	sb->s_fs_info->s_first_error_block	s64min-s64max[c]
USER_DATA	0	sb->s_fs_info->s_first_error_ino	0-4294967295
USER_DATA	1	block_group	0-4294967294[c]
NO_OVERFLOW_SIMPLE	0	sb->s_blocksize
NO_OVERFLOW_SIMPLE	0	sb->s_blocksize_bits
UNITS	0	sb	unit_byte
HALF_LOCKED2		&inode->i_mapping->invalidate_lock
HALF_LOCKED2		&inode->i_rwsem
HALF_LOCKED2		&mapping->invalidate_lock

fs/ext4/mballoc.c ext4_mb_discard_group_preallocations() -> ext4_read_block_bitmap()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	1	block_group	0-4294967294
CAPPED_DATA	1	block_group	1
DATA_SOURCE	0	sb	$0
DATA_SOURCE	1	block_group	$1
RX_PATH
TASK_NOT_RUNNING
UNITS	0	sb	unit_byte
UNITS	1	block_group	unit_byte

fs/ext4/mballoc.c ext4_mb_mark_context() -> ext4_read_block_bitmap()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
PARAM_VALUE	0	sb->s_cop->empty_dir	0,4096-ptr_max
PARAM_VALUE	0	sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648,2712
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	0,5297,148606482432692224,436469935444291584,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000,3511613614414655488-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_op->show_path	0,4096-ptr_max
BUF_SIZE	0	sb	s32min,(-10),(-1),1-s32max
BUF_SIZE	0	sb	s32min,(-10),(-1),1-s32max
DATA_SOURCE	0	sb	$1
DATA_SOURCE	1	block_group	$3
NOSPEC	1	block_group
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	sb->s_flags	0-u64max[c]
USER_DATA	1	block_group	0-u32max
NO_OVERFLOW_SIMPLE	0	sb->s_blocksize
NO_OVERFLOW_SIMPLE	0	sb->s_blocksize_bits
UNITS	0	sb	unit_byte
UNITS	1	block_group	unit_byte

fs/ext4/mballoc.c ext4_mb_new_blocks_simple() -> ext4_read_block_bitmap()

Type	Parameter	Key	Value
PARAM_VALUE	0	sb	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	block_group	0-u32max
UNITS	0	sb	unit_byte