linux-kernel - Re: [PATCH 10/16] GFS2: Logging and recovery

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Date:	Mon, 4 Sep 2006 19:44:53 +0200 (MEST)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	Steven Whitehouse <swhiteho@...hat.com>
cc:	linux-kernel@...r.kernel.org,
	Russell Cattelan <cattelan@...hat.com>,
	David Teigland <teigland@...hat.com>,
	Ingo Molnar <mingo@...e.hu>, hch@...radead.org
Subject: Re: [PATCH 10/16] GFS2: Logging and recovery

>+		a = (old_tail <= ai->ai_first);
>+		b = (ai->ai_first < new_tail);

>+	if (!(!error && dbn)) {
>+		printk(KERN_INFO "error=%d, dbn=%llu lbn=%u", error, (unsigned long long)dbn, lbn);
>+	}

error || dbn
-{}

>+#if 0
>+	unsigned int d;
>+
>+	d = log_distance(sdp, sdp->sd_log_flush_head, sdp->sd_log_head);
>+
>+	gfs2_assert_withdraw(sdp, d + 1 == sdp->sd_log_blks_reserved);
>+#endif

>+		if (lb->lb_real) {
>+			while (atomic_read(&bh->b_count) != 1)  /* Grrrr... */
>+				schedule();

Grrr? Someone stole us the b_count?

>+	unsigned int offset = sizeof(struct gfs2_log_descriptor);
>+	offset += (sizeof(__be64)-1);
>+	offset &= ~(sizeof(__be64)-1);
()


Jan Engelhardt
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