Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\iomap\buffered-io.c Create Date:2022-07-28 20:31:54
Last Modify:2020-03-12 14:18:49 Copyright©Brick
home page Tree
Annotation kernel can get tool activityDownload SCCTChinese

Name:iomap_file_unshare

Proto:int iomap_file_unshare(struct inode *inode, loff_t pos, loff_t len, const struct iomap_ops *ops)

Type:int

Parameter:

TypeParameterName
struct inode *inode
loff_tpos
loff_tlen
const struct iomap_ops *ops
948  When len cycle
949  ret = Execute a iomap write on a segment of the mapping that spans a* contiguous range of pages that have identical block mapping state
951  If ret <= 0 Then Return ret
953  pos += ret
954  len -= ret
957  Return 0