blk_rq_bytes

Name:blk_rq_bytes

Proto:static inline unsigned int blk_rq_bytes(const struct request *rq)

Type:unsigned int

Parameter:

Type	Parameter	Name
const struct request *	rq

929

Return total data len

**Caller**
Name	Describe
blk_dump_rq_flags
blk_insert_cloned_request	lk_insert_cloned_request - Helper for stacking drivers to submit a request@q: the queue to submit the request@rq: the request being queued
blk_rq_err_bytes	lk_rq_err_bytes - determine number of bytes till the next failure boundary@rq: request to examine Description:* A request could be merge of IOs which require different failure* handling
blk_update_request	lk_update_request - Special helper function for request stacking drivers@req: the request being processed@error: block status code@nr_bytes: number of bytes to complete @req Description:* Ends I/O on a number of bytes attached to @req, but doesn't
__blk_rq_prep_clone	Copy attributes of the original request to the clone request.* The actual data parts (e.g. ->cmd, ->sense) are not copied.
blk_rq_map_sg	map a request to scatterlist, return number of sg entries setup. Caller* must make sure sg can hold rq->nr_phys_segments entries
attempt_merge	For non-mq, this has to be called with the request spinlock acquired.* For mq with scheduling, the appropriate queue wide lock should be held.
blk_mq_end_request
blk_mq_start_request
__blk_mq_requeue_request
blk_mq_make_request
bsg_map_buffer

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