Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\xattr.c Create Date:2022-07-28 20:09:59
Last Modify:2020-03-12 14:18:49 Copyright©Brick
home page Tree
Annotation kernel can get tool activityDownload SCCTChinese

Name:path_getxattr

Proto:static ssize_t path_getxattr(const char __user *pathname, const char __user *name, void __user *value, size_t size, unsigned int lookup_flags)

Type:ssize_t

Parameter:

TypeParameterName
const char __user *pathname
const char __user *name
void __user *value
size_tsize
unsigned intlookup_flags
562  retry :
563  error = user_path_at(Special value used to indicateopenat should use the currentworking directory. , pathname, lookup_flags, & path)
564  If error Then Return error
566  error = Extended attribute GET operations
567  path_put - put a reference to a path*@path: path to put the reference to* Given a path decrement the reference count to the dentry and the vfsmount.
568  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
569  lookup_flags |= ll ->d_revalidate() to trust no cache
570  Go to retry
572  Return error
Caller
NameDescribe
SYSCALL_DEFINE4
SYSCALL_DEFINE4