函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\xattr.c Create Date:2022-07-29 10:40:33
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：path_listxattr

函数原型：static ssize_t path_listxattr(const char __user *pathname, char __user *list, size_t size, unsigned int lookup_flags)

返回类型：ssize_t

参数：

类型参数名称
const char __user *pathname
char __user *list
size_tsize
unsigned intlookup_flags
638  retry :
639  error等于user_path_at(Special value used to indicateopenat should use the currentworking directory. , pathname, lookup_flags, & path)
640  如果error则返回:error
642  error等于Extended attribute LIST operations
643  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.
644  如果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则
645  lookup_flags或等于ll ->d_revalidate() to trust no cache
646  转到:retry
648  返回:error
调用者
名称描述
SYSCALL_DEFINE3
SYSCALL_DEFINE3