posix_acl_to_xattr

Name:Convert from in-memory to extended attribute representation.

Proto:int posix_acl_to_xattr(struct user_namespace *user_ns, const struct posix_acl *acl, void *buffer, size_t size)

Type:int

Parameter:

Type	Parameter	Name
struct user_namespace *	user_ns
const struct posix_acl *	acl
void *	buffer
size_t	size

800

ext_acl = buffer

804

real_size = posix_acl_xattr_size(a_count)

805

If Not buffer Then Return real_size

807

If real_size > size Then Return -ERANGE

810

ext_entry = ext_acl + 1

811

a_version = cpu_to_le32(Supported ACL a_version fields )

813

When n < a_count cycle

814

acl_e = a_entries[n]

815

e_tag = cpu_to_le16(e_tag)

816

e_perm = cpu_to_le16(e_perm)

818

Case e_tag == ACL_USER

819

e_id = cpu_to_le32(m_kuid - Create a uid from a kuid user-namespace pair.*@targ: The user namespace we want a uid in.*@kuid: The kernel internal uid to start with.* Map @kuid into the user-namespace specified by @targ and* return the resulting uid.)

821

Break

822

Case e_tag == ACL_GROUP

823

e_id = cpu_to_le32(m_kgid - Create a gid from a kgid user-namespace pair.*@targ: The user namespace we want a gid in.*@kgid: The kernel internal gid to start with.* Map @kgid into the user-namespace specified by @targ and* return the resulting gid.)

825

Break

826

Default

827

e_id = cpu_to_le32(An undefined entry e_id value )

828

Break

831

Return real_size

**Caller**
Name	Describe
posix_acl_xattr_get

Source code conversion tool public plug-in interface	X
Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion