common/vm/seg_vn.c

315  * mapping share the same amp. amp's are looked up in svntr_hashtab hash table
343  * implement this functionality hash entries are timestamped. Replica's can
345  * saved when hash entry was created. However just timestamps alone are not
5427 	 * locking scheme with per amp rwlock and a global set of hash
8570  * set of pages and lead to long hash chains that decrease pcache lookup
9524  * exist in svntr hash table create a new one.  We may fail to bind to amp if
9539 	ulong_t			hash = SVNTR_HASH_FUNC(vp);
9597 	mutex_enter(&svntr_hashtab[hash].tr_lock);
9605 		mutex_exit(&svntr_hashtab[hash].tr_lock);
9610 	svntrp = svntr_hashtab[hash].tr_head;
9634 			mutex_exit(&svntr_hashtab[hash].tr_lock);
9654 			mutex_exit(&svntr_hashtab[hash].tr_lock);
9666 			mutex_exit(&svntr_hashtab[hash].tr_lock);
9687 		svntrp->tr_next = svntr_hashtab[hash].tr_head;
9688 		svntr_hashtab[hash].tr_head = svntrp;
9786 	mutex_exit(&svntr_hashtab[hash].tr_lock);
9795 		ASSERT(svntrp == svntr_hashtab[hash].tr_head);
9796 		svntr_hashtab[hash].tr_head = svntrp->tr_next;
9797 		mutex_exit(&svntr_hashtab[hash].tr_lock);
9800 		mutex_exit(&svntr_hashtab[hash].tr_lock);
9811  * svntr free all its anon maps and remove it from the hash table.
9822 	ulong_t			hash = SVNTR_HASH_FUNC(vp);
9839 	mutex_enter(&svntr_hashtab[hash].tr_lock);
9840 	prv_svntrp = &svntr_hashtab[hash].tr_head;
9872 		mutex_exit(&svntr_hashtab[hash].tr_lock);
9876 	mutex_exit(&svntr_hashtab[hash].tr_lock);
9912 	ulong_t			hash = SVNTR_HASH_FUNC(vp);
9921 	mutex_enter(&svntr_hashtab[hash].tr_lock);
9922 	svntrp = svntr_hashtab[hash].tr_head;
9929 	mutex_exit(&svntr_hashtab[hash].tr_lock);
9985 	ulong_t		hash;
9991 	for (hash = 0; hash < svntr_hashtab_sz; hash++) {
9992 		mutex_enter(&svntr_hashtab[hash].tr_lock);
9993 		svntrp = svntr_hashtab[hash].tr_head;
9999 				    hash);
10002 		mutex_exit(&svntr_hashtab[hash].tr_lock);
10010 	ulong_t hash)
10034 	ASSERT(mutex_owned(&svntr_hashtab[hash].tr_lock));
10051 	 * Use tryenter locking since we are locking as/seg and svntr hash
10107 	mutex_exit(&svntr_hashtab[hash].tr_lock);
10109 	mutex_enter(&svntr_hashtab[hash].tr_lock);