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Explicitly set buffer's block numbers. Blocks were always read/written 

correctly only the sheduling could go less than optimal.
This commit is contained in:
reinoud 2008-11-01 19:50:32 +00:00
parent f86fa4502c
commit e9d599f49d
1 changed files with 14 additions and 4 deletions
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18
sys/fs/udf/udf_strat_rmw.c
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@ -1,4 +1,4 @@
/* $NetBSD: udf_strat_rmw.c,v 1.9 2008/08/29 15:04:18 reinoud Exp $ */
/* $NetBSD: udf_strat_rmw.c,v 1.10 2008/11/01 19:50:32 reinoud Exp $ */
/*
* Copyright (c) 2006, 2008 Reinoud Zandijk
@ -28,7 +28,7 @@
#include <sys/cdefs.h>
#ifndef lint
__KERNEL_RCSID(0, "$NetBSD: udf_strat_rmw.c,v 1.9 2008/08/29 15:04:18 reinoud Exp $");
__KERNEL_RCSID(0, "$NetBSD: udf_strat_rmw.c,v 1.10 2008/11/01 19:50:32 reinoud Exp $");
#endif /* not lint */
@ -268,6 +268,11 @@ udf_push_eccline(struct udf_eccline *eccline, int newqueue)
priv->num_queued[curqueue]--;
}
/* set buffer block numbers to make sure its queued correctly */
eccline->buf->b_lblkno = eccline->start_sector;
eccline->buf->b_blkno = eccline->start_sector;
eccline->buf->b_rawblkno = eccline->start_sector;
BUFQ_PUT(priv->queues[newqueue], eccline->buf);
eccline->queued_on = newqueue;
priv->num_queued[newqueue]++;
@ -413,7 +418,11 @@ retry:
eccline->present = eccline->readin = eccline->dirty = 0;
eccline->error = 0;
eccline->refcnt = 0;
eccline->start_sector = start_sector;
eccline->start_sector = start_sector;
eccline->buf->b_lblkno = start_sector;
eccline->buf->b_blkno = start_sector;
eccline->buf->b_rawblkno = start_sector;
LIST_INSERT_HEAD(&priv->eccline_hash[line], eccline, hashchain);
@ -1184,10 +1193,11 @@ udf_discstrat_thread(void *arg)
/* don't shedule too quickly when there is only one */
if (priv->cur_queue == UDF_SHED_WRITING) {
if (priv->num_queued[priv->cur_queue] <= 2) {
if (now.tv_sec - last->tv_sec < 2) {
if (now.tv_sec - last->tv_sec < 4) {
/* wait some time */
cv_timedwait(&priv->discstrat_cv,
&priv->discstrat_mutex, hz);
continue;
}
}
}