Function report |
Source Code:block\blk-flush.c |
Create Date:2022-07-28 17:02:44 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:lk_flush_complete_seq - complete flush sequence*@rq: PREFLUSH/FUA request being sequenced*@fq: flush queue*@seq: sequences to complete (mask of %REQ_FSEQ_*, can be zero)*@error: whether an error occurred*@rq just completed @seq part of its flush sequence,
Proto:static void blk_flush_complete_seq(struct request *rq, struct blk_flush_queue *fq, unsigned int seq, blk_status_t error)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
struct request * | rq | |
struct blk_flush_queue * | fq | |
unsigned int | seq | |
blk_status_t | error |
172 | pending = flush_queue[flush_pending_idx] |
177 | cmd_flags = op and common flags |
179 | If Value is more likely to compile time(!error) Then seq = blk_flush_cur_seq(rq) |
181 | Else seq = REQ_FSEQ_DONE |
185 | Case seq == REQ_FSEQ_PREFLUSH |
186 | Case seq == REQ_FSEQ_POSTFLUSH |
188 | If list_empty - tests whether a list is empty*@head: the list to test. Then flush_pending_since = jiffies |
191 | Break |
193 | Case seq == REQ_FSEQ_DATA |
195 | blk_flush_queue_rq(rq, true) |
196 | Break |
198 | Case seq == REQ_FSEQ_DONE |
208 | blk_mq_end_request(rq, error) |
209 | Break |
211 | Default |
212 | BUG() |
215 | blk_kick_flush(q, fq, cmd_flags) |
Name | Describe |
---|---|
flush_end_io | |
mq_flush_data_end_io | |
blk_insert_flush | lk_insert_flush - insert a new PREFLUSH/FUA request*@rq: request to insert* To be called from __elv_add_request() for %ELEVATOR_INSERT_FLUSH insertions.* or __blk_mq_run_hw_queue() to dispatch request.*@rq is being submitted |
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