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*** ../mp/mp_fget.c.orig 2002-08-07 08:23:01.000000000 -0700
--- ../mp/mp_fget.c 2006-05-30 20:32:20.000000000 -0700
***************
*** 506,513 ****
*/
if (state != SECOND_MISS && bhp->ref == 1) {
bhp->priority = UINT32_T_MAX;
! SH_TAILQ_REMOVE(&hp->hash_bucket, bhp, hq, __bh);
! SH_TAILQ_INSERT_TAIL(&hp->hash_bucket, bhp, hq);
hp->hash_priority =
SH_TAILQ_FIRST(&hp->hash_bucket, __bh)->priority;
}
--- 506,517 ----
*/
if (state != SECOND_MISS && bhp->ref == 1) {
bhp->priority = UINT32_T_MAX;
! /* Move the buffer if there are others in the bucket. */
! if (SH_TAILQ_FIRST(&hp->hash_bucket, __bh) != bhp
! || SH_TAILQ_NEXT(bhp, hq, __bh) != NULL) {
! SH_TAILQ_REMOVE(&hp->hash_bucket, bhp, hq, __bh);
! SH_TAILQ_INSERT_TAIL(&hp->hash_bucket, bhp, hq);
! }
hp->hash_priority =
SH_TAILQ_FIRST(&hp->hash_bucket, __bh)->priority;
}
*** ../mp/mp_fput.c.orig 2002-08-13 06:26:41.000000000 -0700
--- ../mp/mp_fput.c 2006-05-30 20:55:11.000000000 -0700
***************
*** 166,171 ****
--- 166,176 ----
* to the correct position in the list.
*/
argbhp = bhp;
+ /* Move the buffer if there are others in the bucket. */
+ if (SH_TAILQ_FIRST(&hp->hash_bucket, __bh) == bhp
+ && SH_TAILQ_NEXT(bhp, hq, __bh) != NULL)
+ goto done;
+
SH_TAILQ_REMOVE(&hp->hash_bucket, argbhp, hq, __bh);
prev = NULL;
***************
*** 178,183 ****
--- 183,189 ----
else
SH_TAILQ_INSERT_AFTER(&hp->hash_bucket, prev, argbhp, hq, __bh);
+ done:
/* Reset the hash bucket's priority. */
hp->hash_priority = SH_TAILQ_FIRST(&hp->hash_bucket, __bh)->priority;
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