19 static char *extract_string(struct prepend_buffer *p)  in extract_string()  argument
21 	if (likely(p->len >= 0))  in extract_string()
22 		return p->buf;  in extract_string()
26 static bool prepend_char(struct prepend_buffer *p, unsigned char c)  in prepend_char()  argument
28 	if (likely(p->len > 0)) {  in prepend_char()
29 		p->len--;  in prepend_char()
30 		*--p->buf = c;  in prepend_char()
33 	p->len = -1;  in prepend_char()
57 static bool prepend(struct prepend_buffer *p, const char *str, int namelen)  in prepend()  argument
60 	if (p->len < 0)  in prepend()
64 	if (p->len < namelen) {  in prepend()
66 		str += namelen - p->len;  in prepend()
67 		p->buf -= p->len;  in prepend()
68 		prepend_copy(p->buf, str, p->len);  in prepend()
69 		p->len = -1;  in prepend()
74 	p->len -= namelen;  in prepend()
75 	p->buf -= namelen;  in prepend()
76 	return prepend_copy(p->buf, str, namelen);  in prepend()
96 static bool prepend_name(struct prepend_buffer *p, const struct qstr *name)  in prepend_name()  argument
101 	return prepend(p, dname, dlen) && prepend_char(p, '/');  in prepend_name()
105 			  const struct path *root, struct prepend_buffer *p)  in __prepend_path()  argument
133 		if (!prepend_name(p, &dentry->d_name))  in __prepend_path()
158 			struct prepend_buffer *p)  in prepend_path()  argument
170 	b = *p;  in prepend_path()
190 		b = *p;  in prepend_path()
192 	if (b.len == p->len)  in prepend_path()
195 	*p = b;  in prepend_path()
331 static char *__dentry_path(const struct dentry *d, struct prepend_buffer *p)  in __dentry_path()  argument
340 	b = *p;  in __dentry_path()
357 	if (b.len == p->len)  in __dentry_path()