Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\iomap.h Create Date:2022-07-28 20:13:39
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:iomap_sector

Proto:static inline sector_t iomap_sector(struct iomap *iomap, loff_t pos)

Type:sector_t

Parameter:

TypeParameterName
struct iomap *iomap
loff_tpos
95  Return disk offset of mapping, bytes + pos - file offset of mapping, bytes >> The basic unit of block I/O is a sector. It is used in a number of contexts* in Linux (blk, bio, genhd). The size of one sector is 512 = 2**9* bytes. Variables of type sector_t represent an offset or size that is a* multiple of 512 bytes
Caller
NameDescribe
iomap_readpage_actor
iomap_read_page_sync
iomap_dax_zero
iomap_add_to_ioendTest to see if we have an existing ioend structure that we could append to* first, otherwise finish off the current ioend and start another.
iomap_dio_zero
iomap_dio_bio_actor