Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\ioctl.c Create Date:2022-07-28 20:06:20
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:fiemap_check_ranges

Proto:static int fiemap_check_ranges(struct super_block *sb, u64 start, u64 len, u64 *new_len)

Type:int

Parameter:

TypeParameterName
struct super_block *sb
u64start
u64len
u64 *new_len
159  maxbytes = s_maxbytes
161  new_len = len
163  If len == 0 Then Return -EINVAL
166  If start > maxbytes Then Return -EFBIG
172  If len > maxbytes || maxbytes - len < start Then new_len = maxbytes - start
175  Return 0
Caller
NameDescribe
ioctl_fiemap