bio_clone_blkg_association identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Documented in 1 files:

block/blk-cgroup.c, line 2166

Defined in 1 files as a prototype:

include/linux/bio.h, line 554 (as a prototype)

Defined in 2 files as a function:

Referenced in 7 files:

Smatch caller information:

drivers/md/md.c md_submit_discard_bio() -> bio_clone_blkg_association()

Type	Parameter	Key	Value
PARAM_VALUE	0	dst	4096-ptr_max
PARAM_VALUE	0	dst->bi_bdev->bd_queue->queue_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dst->bi_end_io	57454840631967744
PARAM_VALUE	0	*dst->bi_bdev->bd_disk->zones_cond	0-255
PARAM_VALUE	0	*dst->bi_bdev->bd_queue->io_lockdep_map.name	0-255
PARAM_VALUE	0	*dst->bi_private	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	1	src	4096-ptr_max
PARAM_VALUE	1	src->bi_bdev->bd_queue->dev->power.wakeirq->status	0-4294967295
PARAM_VALUE	1	src->bi_end_io	57454840631967744,2076237313858068480,3905977605003870208
PARAM_VALUE	1	src->bi_iter.bi_sector	0-18446744073709551614
BUF_SIZE	1	src	(-1)-0,4,24,32,64,144-s32max
BUF_SIZE	1	src	(-1)-0,4,24,32,64,144-s32max
BUF_SIZE	1	src->bi_pool	(-1),624
BUF_SIZE	1	src->bi_private	(-1)-0,4,24,32,64,144-s32max
CAPPED_DATA	1	src	1
DATA_SOURCE	1	src	$2
STR_LEN	1	src->bi_private	(-1)
NOSPEC	1	src->bi_iter.bi_sector
NOSPEC	1	src->bi_iter.bi_size
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	dst->bi_bdev->bd_queue->last_merge->__sector	0-s32max[c]
HOST_DATA	0	dst->bi_iter.bi_sector	s64min-s64max
HOST_DATA	0	dst->bi_iter.bi_size	0-4294967295[c]
HOST_DATA	1	src->bi_bdev->bd_queue->last_merge->__sector	0-u64max
HOST_DATA	1	src->bi_iter.bi_sector	0-18446744073709551614
HOST_DATA	1	src->bi_iter.bi_size	0-u32max[c]
HOST_DATA	1	src->bi_max_vecs	0-4,16,64,128,256[c]
USER_DATA	0	dst->bi_iter.bi_sector	s64min-s64max
USER_DATA	0	dst->bi_iter.bi_size	0-4294967295[c]
USER_DATA	0	dst->bi_max_vecs	0-4,16,64,128,256[c]
USER_DATA	0	dst->bi_next->bi_max_vecs	0-256[c]
USER_DATA	1	src->bi_ioprio	0-u16max
USER_DATA	1	src->bi_iter.bi_sector	0-18446744073709551614
USER_DATA	1	src->bi_iter.bi_size	0-u32max
USER_DATA	1	src->bi_max_vecs	0-4,16,64,128,256[c]
USER_DATA	1	src->bi_next->bi_ioprio	0-u16max[c]
USER_DATA	1	src->bi_next->bi_max_vecs	0-256[c]
NO_OVERFLOW_SIMPLE	1	src->bi_bdev->bd_disk->queue->queue_hw_ctx
NO_OVERFLOW_SIMPLE	1	src->bi_bdev->bd_disk->queue->stats
NO_OVERFLOW_SIMPLE	1	src->bi_next->bi_iter.bi_sector
NO_OVERFLOW_SIMPLE	1	src->bi_next->bi_max_vecs
NO_OVERFLOW_SIMPLE	1	src->bi_pool->bio_pool.min_nr
NO_OVERFLOW_SIMPLE	1	src->bi_pool->bvec_pool.min_nr
NO_OVERFLOW_SIMPLE	1	src->bio.bi_max_vecs
HALF_LOCKED2		&md->io_barrier
HALF_LOCKED2	1	&src->bi_bdev->bd_queue->queue_lock

drivers/md/bcache/request.c cached_dev_read_done() -> bio_clone_blkg_association()

Type	Parameter	Key	Value
PARAM_VALUE	0	dst	4096-ptr_max
PARAM_VALUE	0	dst->__bi_cnt.counter	0
PARAM_VALUE	0	dst->__bi_nr_segments	0
PARAM_VALUE	0	dst->__bi_remaining.counter	1
PARAM_VALUE	0	dst->bi_bdev->bd_disk->queue->blkg_list.next	4096-ptr_max
PARAM_VALUE	0	dst->bi_bdev->bd_disk->queue->blkg_list.next->next	4096-ptr_max
PARAM_VALUE	0	dst->bi_bdev->bd_queue	4096-ptr_max
PARAM_VALUE	0	dst->bi_bdev->bd_queue->queue_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dst->bi_blkg	0
PARAM_VALUE	0	dst->bi_bvec_gap_bit	0
PARAM_VALUE	0	dst->bi_cookie	0
PARAM_VALUE	0	dst->bi_crypt_context	0
PARAM_VALUE	0	dst->bi_end_io	0
PARAM_VALUE	0	dst->bi_flags	0
PARAM_VALUE	0	dst->bi_integrity	0
PARAM_VALUE	0	dst->bi_iocost_cost	0
PARAM_VALUE	0	dst->bi_ioprio	0
PARAM_VALUE	0	dst->bi_iter.bi_idx	0
PARAM_VALUE	0	dst->bi_iter.bi_offset	0
PARAM_VALUE	0	dst->bi_iter.bi_size	0,512-4294966784
PARAM_VALUE	0	dst->bi_max_vecs	0
PARAM_VALUE	0	dst->bi_next	0
PARAM_VALUE	0	dst->bi_opf	0
PARAM_VALUE	0	dst->bi_pool	0
PARAM_VALUE	0	dst->bi_private	0
PARAM_VALUE	0	dst->bi_status	0
PARAM_VALUE	0	dst->bi_vcnt	0
PARAM_VALUE	0	dst->bi_write_hint	0
PARAM_VALUE	0	dst->bi_write_stream	0
PARAM_VALUE	0	dst->issue_time_ns	0
PARAM_VALUE	1	src	4096-ptr_max
BIT_INFO	0	dst->bi_iter.bi_size	0x0,0xfffffe00
MEM_ZERO	0	dst
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/md/dm.c dm_submit_bio_remap() -> bio_clone_blkg_association()

Type	Parameter	Key	Value
BUF_SIZE	0	dst	(-1),144
BUF_SIZE	0	dst	(-1),144
BUF_SIZE	0	dst->bi_pool	(-1),624
DATA_SOURCE	0	dst	$1 [m]
NOSPEC	0	dst->bi_iter.bi_sector
NOSPEC	0	dst->bi_iter.bi_size
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	dst->bi_iter.bi_sector	0
HOST_DATA	0	dst->bi_iter.bi_size	0[c]
HOST_DATA	0	dst->bi_max_vecs	0-4,16,64,128,256[c]
USER_DATA	0	dst->bi_ioprio	0-u16max
USER_DATA	0	dst->bi_iter.bi_sector	0
USER_DATA	0	dst->bi_iter.bi_size	0
USER_DATA	0	dst->bi_max_vecs	0-4,16,64,128,256[c]
NO_OVERFLOW_SIMPLE	0	dst->bi_pool->bio_pool.min_nr
NO_OVERFLOW_SIMPLE	0	dst->bi_pool->bvec_pool.min_nr
UNITS	0	dst	unit_jiffy
HALF_LOCKED2		&md->io_barrier

block/bio.c __bio_clone() -> bio_clone_blkg_association()

Type	Parameter	Key	Value
PARAM_VALUE	0	dst	4096-ptr_max
PARAM_VALUE	0	dst->__bi_cnt.counter	1
PARAM_VALUE	0	dst->__bi_nr_segments	u32max
PARAM_VALUE	0	dst->__bi_remaining.counter	1
PARAM_VALUE	0	dst->bi_bdev	1-u64max
PARAM_VALUE	0	dst->bi_bdev->bd_queue	4096-ptr_max
PARAM_VALUE	0	dst->bi_blkg->pd	4096-ptr_max
PARAM_VALUE	0	dst->bi_blkg->q_node.next->prev	4096-ptr_max
PARAM_VALUE	0	dst->bi_bvec_gap_bit	0
PARAM_VALUE	0	dst->bi_cookie	u32max
PARAM_VALUE	0	dst->bi_crypt_context	0
PARAM_VALUE	0	dst->bi_end_io	0
PARAM_VALUE	0	dst->bi_flags	2,1026
PARAM_VALUE	0	dst->bi_integrity	0
PARAM_VALUE	0	dst->bi_iocost_cost	0
PARAM_VALUE	0	dst->bi_max_vecs	0-4,16,64,128,256
PARAM_VALUE	0	dst->bi_next	0
PARAM_VALUE	0	dst->bi_pool	0,4096-ptr_max
PARAM_VALUE	0	dst->bi_private	0
PARAM_VALUE	0	dst->bi_status	0
PARAM_VALUE	0	dst->bi_vcnt	0
PARAM_VALUE	0	dst->issue_time_ns	0
PARAM_VALUE	1	src	4096-ptr_max
PARAM_VALUE	1	src->bi_bdev->bd_queue->dev->power.wakeirq->status	0-4294967295
BUF_SIZE	0	dst	(-1),144
BUF_SIZE	0	dst	(-1),144
BUF_SIZE	0	dst->bi_pool	(-1),624
BUF_SIZE	1	src	(-1)-0,4,24,32,64,144-s32max
BUF_SIZE	1	src	(-1)-0,4,24,32,64,144-s32max
BUF_SIZE	1	src->bi_pool	(-1),624
BUF_SIZE	1	src->bi_private	(-1)-s32max
CAPPED_DATA	0	dst->bi_bdev	1
DATA_SOURCE	0	dst	$0
DATA_SOURCE	1	src	$1
STR_LEN	1	src->bi_private	(-1),8,11-12,14,17,19-20,23,26-27,29,31-32
NOSPEC	0	dst->bi_iter.bi_sector
NOSPEC	0	dst->bi_iter.bi_size
NOSPEC	1	src->bi_iter.bi_sector
NOSPEC	1	src->bi_iter.bi_size
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	dst->bi_iter.bi_sector	0-u64max
HOST_DATA	0	dst->bi_iter.bi_size	0-u32max[c]
HOST_DATA	0	dst->bi_max_vecs	0-4,16,64,128,256[c]
HOST_DATA	1	src->bi_bdev->bd_queue->last_merge->__sector	0-18446744073709551614
HOST_DATA	1	src->bi_iter.bi_sector	0-u64max
HOST_DATA	1	src->bi_iter.bi_size	0-u32max[c]
HOST_DATA	1	src->bi_max_vecs	0-u16max[c]
USER_DATA	0	dst->bi_ioprio	0-u16max
USER_DATA	0	dst->bi_iter.bi_sector	0-u64max
USER_DATA	0	dst->bi_iter.bi_size	0-u32max
USER_DATA	0	dst->bi_max_vecs	0-4,16,64,128,256[c]
USER_DATA	1	src->bi_ioprio	0-u16max
USER_DATA	1	src->bi_iter.bi_sector	0-u64max
USER_DATA	1	src->bi_iter.bi_size	0-u32max
USER_DATA	1	src->bi_max_vecs	0-u16max[c]
USER_DATA	1	src->bi_next->bi_ioprio	0-u16max[c]
USER_DATA	1	src->bi_next->bi_max_vecs	0-256[c]
NO_OVERFLOW_SIMPLE	0	dst->bi_pool->bio_pool.min_nr
NO_OVERFLOW_SIMPLE	0	dst->bi_pool->bvec_pool.min_nr
NO_OVERFLOW_SIMPLE	1	src->bi_bdev->bd_disk->queue->queue_hw_ctx
NO_OVERFLOW_SIMPLE	1	src->bi_bdev->bd_disk->queue->stats
NO_OVERFLOW_SIMPLE	1	src->bi_io_vec
NO_OVERFLOW_SIMPLE	1	src->bi_next->bi_iter.bi_sector
NO_OVERFLOW_SIMPLE	1	src->bi_next->bi_max_vecs
NO_OVERFLOW_SIMPLE	1	src->bi_pool->bio_pool.min_nr
NO_OVERFLOW_SIMPLE	1	src->bi_pool->bvec_pool.min_nr
NO_OVERFLOW_SIMPLE	1	src->bio.bi_bdev->bd_disk->queue->queue_hw_ctx
NO_OVERFLOW_SIMPLE	1	src->bio.bi_bdev->bd_disk->queue->stats
NO_OVERFLOW_SIMPLE	1	src->bio.bi_max_vecs
UNITS	1	src	unit_jiffy
HALF_LOCKED2	1	&src->bi_bdev->bd_queue->queue_lock

block/blk-crypto-fallback.c blk_crypto_alloc_enc_bio() -> bio_clone_blkg_association()

Type	Parameter	Key	Value
PARAM_VALUE	0	dst	4096-ptr_max
PARAM_VALUE	0	dst->__bi_cnt.counter	1
PARAM_VALUE	0	dst->__bi_nr_segments	u32max
PARAM_VALUE	0	dst->__bi_remaining.counter	1
PARAM_VALUE	0	dst->bi_bdev	4096-ptr_max
PARAM_VALUE	0	dst->bi_bdev->bd_disk->queue->blkg_list.next	4096-ptr_max
PARAM_VALUE	0	dst->bi_bdev->bd_disk->queue->blkg_list.next->next	4096-ptr_max
PARAM_VALUE	0	dst->bi_bdev->bd_queue	4096-ptr_max
PARAM_VALUE	0	dst->bi_bdev->bd_queue->queue_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	dst->bi_blkg->pd	4096-ptr_max
PARAM_VALUE	0	dst->bi_blkg->q_node.next->prev	4096-ptr_max
PARAM_VALUE	0	dst->bi_bvec_gap_bit	0
PARAM_VALUE	0	dst->bi_cookie	u32max
PARAM_VALUE	0	dst->bi_crypt_context	0
PARAM_VALUE	0	dst->bi_end_io	6858299415590359040
PARAM_VALUE	0	dst->bi_flags	0,1024
PARAM_VALUE	0	dst->bi_integrity	0
PARAM_VALUE	0	dst->bi_iocost_cost	0
PARAM_VALUE	0	dst->bi_iter.bi_idx	0
PARAM_VALUE	0	dst->bi_iter.bi_offset	0
PARAM_VALUE	0	dst->bi_iter.bi_size	0
PARAM_VALUE	0	dst->bi_max_vecs	0-4,16,64,128,256
PARAM_VALUE	0	dst->bi_next	0
PARAM_VALUE	0	dst->bi_pool	7520353208912662528
PARAM_VALUE	0	dst->bi_private	4096-ptr_max
PARAM_VALUE	0	dst->bi_status	0
PARAM_VALUE	0	dst->bi_vcnt	0
PARAM_VALUE	0	dst->issue_time_ns	0
PARAM_VALUE	1	src	4096-ptr_max
PARAM_VALUE	1	src->bi_bdev	4096-ptr_max
PARAM_VALUE	1	src->bi_crypt_context	4096-ptr_max
PARAM_VALUE	1	src->bi_crypt_context->bc_key	4096-ptr_max
PARAM_VALUE	1	src->bi_iter.bi_size	1-u32max
BUF_SIZE	0	dst->bi_pool	624
BUF_SIZE	0	dst->bi_private	(-1),144
BUF_SIZE	1	src	(-1),144
BUF_SIZE	1	src	(-1),144
BUF_SIZE	1	src->bi_private	(-1)-s32max
DATA_SOURCE	0	dst	r bio_alloc_bioset
DATA_SOURCE	1	src	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	dst->bi_max_vecs	0-4,16,64,128,256[c]
HOST_DATA	1	src->bi_max_vecs	0-4,16,64,128,256[c]
USER_DATA	0	dst->bi_ioprio	0-u16max
USER_DATA	0	dst->bi_iter.bi_sector	0-u64max
USER_DATA	0	dst->bi_max_vecs	0-4,16,64,128,256[c]
USER_DATA	1	src->bi_ioprio	0-u16max
USER_DATA	1	src->bi_iter.bi_sector	0-u64max
USER_DATA	1	src->bi_max_vecs	0-4,16,64,128,256[c]
NO_OVERFLOW_SIMPLE	0	dst->bi_pool->bio_pool.min_nr
NO_OVERFLOW_SIMPLE	0	dst->bi_pool->bvec_pool.min_nr
NO_OVERFLOW_SIMPLE	1	src->bi_next->bi_max_vecs
NO_OVERFLOW_SIMPLE	1	src->bi_pool->bio_pool.min_nr
NO_OVERFLOW_SIMPLE	1	src->bi_pool->bvec_pool.min_nr
HALF_LOCKED2		&md->io_barrier

fs/gfs2/lops.c gfs2_chain_bio() -> bio_clone_blkg_association()

Type	Parameter	Key	Value
PARAM_VALUE	0	dst	4096-ptr_max
PARAM_VALUE	1	src	4096-ptr_max
PARAM_VALUE	1	src->bi_end_io	57454840631967744,4676696211173376000
PARAM_VALUE	1	src->bi_private	4096-ptr_max
BUF_SIZE	1	src->bi_private	(-1)-s32max
DATA_SOURCE	0	dst	r bio_alloc
DATA_SOURCE	1	src	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		&sdp->sd_freeze_mutex