static int security_eo_remove(struct gfs2_inode *ip, struct gfs2_ea_request *er)
{
struct inode *inode = &ip->i_inode;
int error = permission(inode, MAY_WRITE, NULL);
if (error)
return error;
return gfs2_ea_remove_i(ip, er);
}
static int system_eo_set(struct gfs2_inode *ip, struct gfs2_ea_request *er)
{
int remove = 0;
int error;
if (GFS2_ACL_IS_ACCESS(er->er_name, er->er_name_len)) {
if (!(er->er_flags & GFS2_ERF_MODE)) {
er->er_mode = ip->i_inode.i_mode;
er->er_flags |= GFS2_ERF_MODE;
}
error = gfs2_acl_validate_set(ip, 1, er,
&remove, &er->er_mode);
if (error)
return error;
error = gfs2_ea_set_i(ip, er);
if (error)
return error;
if (remove)
gfs2_ea_remove_i(ip, er);
return 0;
} else if (GFS2_ACL_IS_DEFAULT(er->er_name, er->er_name_len)) {
error = gfs2_acl_validate_set(ip, 0, er,
&remove, NULL);
if (error)
return error;
if (!remove)
error = gfs2_ea_set_i(ip, er);
else {
error = gfs2_ea_remove_i(ip, er);
if (error == -ENODATA)
error = 0;
}
return error;
}
return -EPERM;
}
static int user_eo_remove(struct gfs2_inode *ip, struct gfs2_ea_request *er)
{
struct inode *inode = &ip->i_inode;
if (S_ISREG(inode->i_mode) ||
(S_ISDIR(inode->i_mode) && !(inode->i_mode & S_ISVTX))) {
int error = permission(inode, MAY_WRITE, NULL);
if (error)
return error;
} else
return -EPERM;
return gfs2_ea_remove_i(ip, er);
}
static int system_eo_remove(struct gfs2_inode *ip, struct gfs2_ea_request *er)
{
if (GFS2_ACL_IS_ACCESS(er->er_name, er->er_name_len)) {
int error = gfs2_acl_validate_remove(ip, 1);
if (error)
return error;
} else if (GFS2_ACL_IS_DEFAULT(er->er_name, er->er_name_len)) {
int error = gfs2_acl_validate_remove(ip, 0);
if (error)
return error;
} else
return -EPERM;
return gfs2_ea_remove_i(ip, er);
}
static int user_eo_remove(struct gfs2_inode *ip, struct gfs2_ea_request *er)
{
return gfs2_ea_remove_i(ip, er);
}
