Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\open.c Create Date:2022-07-28 20:00:55
Last Modify:2020-03-18 10:16:03 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:do_fchmodat

Proto:int do_fchmodat(int dfd, const char __user *filename, umode_t mode)

Type:int

Parameter:

TypeParameterName
intdfd
const char __user *filename
umode_tmode
595  lookup_flags = llow links at the end
596  retry :
597  error = user_path_at(dfd, filename, lookup_flags, & path)
598  If Not error Then
599  error = chmod_common( & path, mode)
600  path_put( & path)
601  If ry_estale - determine whether the caller should retry an operation*@error: the error that would currently be returned*@flags: flags being used for next lookup attempt* Check to see if the error code was -ESTALE, and then determine whether Then
602  lookup_flags |= ll ->d_revalidate() to trust no cache
603  Go to retry
606  Return error
Caller
NameDescribe
SYSCALL_DEFINE3
SYSCALL_DEFINE2