Lines Matching defs:writable
92 * XXX: M_TRAILINGSPACE/M_LEADINGSPACE only permitted on writable ext_buf.
99 int writable;
136 * XXX: This code is flawed because it considers a "writable" mbuf
139 * mbuf, it is still not considered "writable."
141 * EXT_CLUSTER. Anything else makes it non-writable.
145 * If we're writable, we're sure we're writable, because the ref. count
148 * writable, we may eventually become writable )if the ref. count drops
153 writable = 0;
156 writable = 1;
162 if ((off == 0 || offp) && len <= n->m_len - off && writable)
210 && writable) {
217 && writable) {