|
|
| 3번째 줄: |
3번째 줄: |
| | bi_next : struct bio * | | bi_next : struct bio * |
| | bi_bdev : struct block_device * | | bi_bdev : struct block_device * |
| − | bi_flags : unsigned long
| |
| | bi_rw : unsigned long | | bi_rw : unsigned long |
| − | bi_iter : struct bvec_iter | + | bi_iter : struct bvec_iter |
| − | bi_phys_segments : unsigned int
| + | |
| − | bi_seg_front_size : unsigned int
| + | |
| − | bi_seg_back_size : unsigned int
| + | |
| − | bi_remaining : atomic_t
| + | |
| − | *bi_end_io : bio_end_io_t
| + | |
| − | *bi_private : void
| + | |
| − | bi_vcnt : unsigned short
| + | |
| − | bi_max_vecs : unsigned short
| + | |
| − | bi_cnt : atomic_t
| + | |
| − | *bi_io_vec : struct bio_vec
| + | |
| − | *bi_pool : struct bio_set
| + | |
| | bi_inline_vecs[0] : struct bio_vec | | bi_inline_vecs[0] : struct bio_vec |
| | + | ... |
| | } | | } |
| | bio1 -right-> bio2 : bi_next | | bio1 -right-> bio2 : bi_next |
| | + | bio1 --> bio_vec1 : bi_inline_vecs[0] (Index : bi_iter->bi_idx) |
| | + | bio1 --> bio_vec2 : bi_inline_vecs[1] (Index : bi_iter->bi_idx) |
| | | | |
| | class bio2 << (S,#FF7700) >> { | | class bio2 << (S,#FF7700) >> { |
| − | *bi_next : struct bio
| + | bi_next : struct bio * |
| − | *bi_bdev : struct block_device
| + | bi_bdev : struct block_device * |
| − | bi_flags : unsigned long
| + | |
| | bi_rw : unsigned long | | bi_rw : unsigned long |
| − | bi_iter : struct bvec_iter | + | bi_iter : struct bvec_iter |
| − | bi_phys_segments : unsigned int
| + | |
| − | bi_seg_front_size : unsigned int
| + | |
| − | bi_seg_back_size : unsigned int
| + | |
| − | bi_remaining : atomic_t
| + | |
| − | *bi_end_io : bio_end_io_t
| + | |
| − | *bi_private : void
| + | |
| − | bi_vcnt : unsigned short
| + | |
| − | bi_max_vecs : unsigned short
| + | |
| − | bi_cnt : atomic_t
| + | |
| − | *bi_io_vec : struct bio_vec
| + | |
| − | *bi_pool : struct bio_set
| + | |
| | bi_inline_vecs[0] : struct bio_vec | | bi_inline_vecs[0] : struct bio_vec |
| | + | ... |
| | } | | } |
| | bio2 --> bio2 : bi_next | | bio2 --> bio2 : bi_next |
| | + | bio2 --> bio_vec3 : bi_inline_vecs[0] (Index : bi_iter->bi_idx) |
| | | | |
| | | | |
| | class bio_vec1 << (S,#FF7700) >> { | | class bio_vec1 << (S,#FF7700) >> { |
| − | *bv_page : struct page
| + | bv_page : struct page * |
| − | bv_len : unsigned int | + | bv_len : unsigned int |
| − | bv_offset : unsigned int | + | bv_offset : unsigned int |
| | } | | } |
| − | bio1 --> bio_vec1 : bi_inline_vecs[0]
| |
| − | bio1 --> bio_vec2 : bi_inline_vecs[1]
| |
| | | | |
| | | | |
| | class bio_vec2 << (S,#FF7700) >> { | | class bio_vec2 << (S,#FF7700) >> { |
| − | *bv_page : struct page
| + | bv_page : struct page * |
| | bv_len : unsigned int | | bv_len : unsigned int |
| | bv_offset : unsigned int | | bv_offset : unsigned int |
| 60번째 줄: |
39번째 줄: |
| | | | |
| | class bio_vec3 << (S,#FF7700) >> { | | class bio_vec3 << (S,#FF7700) >> { |
| − | *bv_page : struct page
| + | bv_page : struct page * |
| | bv_len : unsigned int | | bv_len : unsigned int |
| | bv_offset : unsigned int | | bv_offset : unsigned int |
| | } | | } |
| − | bio2 --> bio_vec3 : bi_inline_vecs[0]
| + | |
| | | | |
| | | | |
| | class request_queue << (S,#FF7700) >> { | | class request_queue << (S,#FF7700) >> { |
| − | queue_head : struct list_head
| + | elevator : struct elevator_queue * |
| − | *last_merge : struct request
| + | |
| − | *elevator : struct elevator_queue
| + | |
| − | nr_rqs[2] : int
| + | |
| − | nr_rqs_elvpriv : int
| + | |
| − | | + | |
| | root_rl : struct request_list | | root_rl : struct request_list |
| − | *request_fn : request_fn_proc
| + | request_fn : request_fn_proc * |
| − | *prep_rq_fn : prep_rq_fn
| + | prep_rq_fn : prep_rq_fn * |
| − | *unprep_rq_fn : unprep_rq_fn | + | |
| − | *merge_bvec_fn : merge_bvec_fn
| + | |
| − | *softirq_done_fn : softirq_done_fn
| + | |
| − | *rq_timed_out_fn : rq_timed_out_fn
| + | |
| − | *dma_drain_needed : dma_drain_needed_fn
| + | |
| − | *lld_busy_fn : lld_busy_fn
| + | |
| − | | + | |
| − | *mq_ops : struct blk_mq_ops
| + | |
| − | *mq_map : unsigned int
| + | |
| − | *queue_ctx : struct blk_mq_ctx
| + | |
| − | nr_hw_queues : unsigned int
| + | |
| − | end_sector : sector_t
| + | |
| − | *boundary_rq : struct request
| + | |
| | delay_work : struct delayed_work | | delay_work : struct delayed_work |
| − | backing_dev_info : struct backing_dev_info
| + | ... |
| − | queuedata : void
| + | |
| − | queue_flags : unsigned long
| + | |
| − | id : int
| + | |
| − | bounce_gfp : gfp_t
| + | |
| − | __queue_lock : spinlock_t
| + | |
| − | *queue_lock : spinlock_t
| + | |
| − | kobj : struct kobject
| + | |
| − | mq_kobj : struct kobject
| + | |
| − | | + | |
| − | nr_requests : unsigned long
| + | |
| − | nr_congestion_on : unsigned int
| + | |
| − | nr_congestion_off : unsigned int
| + | |
| − | nr_batching : unsigned int
| + | |
| − | dma_drain_size : unsigned int
| + | |
| − | *dma_drain_buffer : void
| + | |
| − | dma_pad_mask : unsigned int
| + | |
| − | dma_alignment : unsigned int
| + | |
| − | *queue_tags : struct blk_queue_tag
| + | |
| − | tag_busy_list : struct list_head
| + | |
| − | nr_sorted : unsigned int
| + | |
| − | in_flight[2] : unsigned int
| + | |
| − | request_fn_active : unsigned int
| + | |
| − | rq_timeout : unsigned int
| + | |
| − | timeout : struct timer_list
| + | |
| − | timeout_list : struct list_head
| + | |
| − | icq_list : struct list_head
| + | |
| − | | + | |
| − | limits : struct queue_limits
| + | |
| − | sg_timeout : unsigned int
| + | |
| − | sg_reserved_size : unsigned int
| + | |
| − | node : int
| + | |
| − | | + | |
| − | flush_flags : unsigned int
| + | |
| − | flush_not_queueable:1 : unsigned int
| + | |
| − | flush_queue_delayed:1 : unsigned int
| + | |
| − | flush_pending_idx:1 : unsigned int
| + | |
| − | flush_running_idx:1 : unsigned int
| + | |
| − | flush_pending_since : unsigned long
| + | |
| − | flush_queue[2] : struct list_head
| + | |
| − | flush_data_in_flight : struct list_head
| + | |
| − | *flush_rq : struct request
| + | |
| − | mq_flush_lock : spinlock_t
| + | |
| − | sysfs_lock : struct mutex
| + | |
| − | bypass_depth : int
| + | |
| − | | + | |
| − | rcu_head : struct rcu_head
| + | |
| − | mq_freeze_wq : wait_queue_head_t
| + | |
| − | mq_usage_counter : struct percpu_counter
| + | |
| − | all_q_node : struct list_head
| + | |
| | } | | } |
| | request_queue -right-> request : root_rl | | request_queue -right-> request : root_rl |
| 147번째 줄: |
59번째 줄: |
| | | | |
| | class request << (S,#FF7700)/linux/blkdev.h >> { | | class request << (S,#FF7700)/linux/blkdev.h >> { |
| − | queuelist : struct list_head
| + | q : struct request_queue * |
| − | union {
| + | bio : struct bio * |
| − | csd : struct call_single_data
| + | biotail : struct bio * |
| − | mq_flush_work : struct work_struct
| + | ... |
| − | };
| + | |
| − | *q : struct request_queue
| + | |
| − | *mq_ctx : struct blk_mq_ctx | + | |
| − | cmd_flags : u64
| + | |
| − | cmd_type : enum rq_cmd_type_bits
| + | |
| − | atomic_flags : unsigned long
| + | |
| − | cpu : int
| + | |
| − | __data_len : unsigned int
| + | |
| − | __sector : sector_t
| + | |
| − | *bio : struct bio
| + | |
| − | *biotail : struct bio
| + | |
| − | hash : struct hlist_node
| + | |
| − | union {
| + | |
| − | rb_node : struct rb_node
| + | |
| − | *completion_data : void | + | |
| − | };
| + | |
| − | union {
| + | |
| − | struct {
| + | |
| − | *icq : struct io_cq
| + | |
| − | *priv[2] : void
| + | |
| − | } elv;
| + | |
| − | struct {
| + | |
| − | seq : unsigned int
| + | |
| − | list : struct list_head
| + | |
| − | *saved_end_io : rq_end_io_fn
| + | |
| − | } flush;
| + | |
| − | };
| + | |
| − | *rq_disk : struct gendisk
| + | |
| − | *part : struct hd_struct
| + | |
| − | start_time : unsigned long
| + | |
| − | ioprio : unsigned short
| + | |
| − | *special : void
| + | |
| − | *buffer : char
| + | |
| − | tag : int
| + | |
| − | errors : int
| + | |
| − | __cmd[BLK_MAX_CDB] : unsigned char
| + | |
| − | *cmd : unsigned char
| + | |
| − | cmd_len : unsigned short
| + | |
| − | extra_len : unsigned int
| + | |
| − | sense_len : unsigned int
| + | |
| − | resid_len : unsigned int
| + | |
| − | *sense : void
| + | |
| − | deadline : unsigned long
| + | |
| − | timeout_list : struct list_head
| + | |
| − | timeout : unsigned int
| + | |
| − | retries : int
| + | |
| − | *end_io : rq_end_io_fn
| + | |
| − | *end_io_data : void
| + | |
| − | *next_rq : struct request
| + | |
| | } | | } |
| | request -left-> request_queue : *q | | request -left-> request_queue : *q |
| 206번째 줄: |
69번째 줄: |
| | | | |
| | </uml> | | </uml> |
| | + | a |
a
