/*
* Journalling list for this buffer [jbd_lock_bh_state()]
+ * NOTE: We *cannot* combine this with b_modified into a bitfield
+ * as gcc would then (which the C standard allows but which is
+ * very unuseful) make 64-bit accesses to the bitfield and clobber
+ * b_jcount if its update races with bitfield modification.
*/
unsigned b_jlist;
*/
unsigned b_modified;
- /*
- * This feild tracks the last transaction id in which this buffer
- * has been cowed
- * [jbd_lock_bh_state()]
- */
- tid_t b_cow_tid;
-
/*
* Copy of the buffer data frozen for writing to the log.
* [jbd_lock_bh_state()]