Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\blk_types.h Create Date:2022-07-28 05:43:53
Last Modify:2020-03-12 14:18:49 Copyright©Brick
home page Tree
Annotation kernel can get tool activityDownload SCCTChinese

Name:op_is_write

Proto:static inline bool op_is_write(unsigned int op)

Type:bool

Parameter:

TypeParameterName
unsigned intop
399  Return op & 1
Caller
NameDescribe
generic_start_io_acct
generic_end_io_acct
bio_check_ro
submit_biosubmit_bio - submit a bio to the block device layer for I/O*@bio: The &struct bio which describes the I/O* submit_bio() is very similar in purpose to generic_make_request(), and* uses that function to do most of the work. Both are fairly rough
blk_rq_map_sgmap a request to scatterlist, return number of sg entries setup. Caller* must make sure sg can hold rq->nr_phys_segments entries
bfq_limit_depthAsync I/O can easily starve sync I/O (both sync reads and sync* writes), by consuming all tags
wbt_data_dir