From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Thu, 2 Nov 2000 16:04:07 +0000
From: "Stephen C. Tweedie" <sct@redhat.com>
Subject: Re: PATCH [2.4.0test10]: Kiobuf#04, buffer wakeup fix
Message-ID: <20001102160407.G1876@redhat.com>
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To: Linus Torvalds <torvalds@transmeta.com>
Cc: Rik van Riel <riel@nl.linux.org>, Ingo Molnar <mingo@redhat.com>, Stephen Tweedie <sct@redhat.com>, linux-mm@kvack.org
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Hi,

Minor fix for kiobufs: add buffer_wait wakeups when we release
buffer_heads.

--Stephen

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diff -ru linux-2.4.0-test10.kio.03/fs/buffer.c linux-2.4.0-test10.kio.04/fs/buffer.c
--- linux-2.4.0-test10.kio.03/fs/buffer.c	Thu Nov  2 12:08:54 2000
+++ linux-2.4.0-test10.kio.04/fs/buffer.c	Thu Nov  2 14:13:08 2000
@@ -1923,6 +1923,7 @@
 	}
 	
 	spin_unlock(&unused_list_lock);
+	wake_up(&buffer_wait);
 
 	if (!iosize)
 		return -EIO;
@@ -2068,6 +2069,7 @@
 		__put_unused_buffer_head(bh[i]);
 	}
 	spin_unlock(&unused_list_lock);
+	wake_up(&buffer_wait);
 	goto finished;
 }
 

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