linux-kernel - [PATCH 1/3] Fix IO error reporting on fsync()

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Message-ID: <20061006115507.GD14533@atrey.karlin.mff.cuni.cz>
Date:	Fri, 6 Oct 2006 13:55:07 +0200
From:	Jan Kara <jack@...e.cz>
To:	linux-kernel@...r.kernel.org
Cc:	akpm@...l.org
Subject: [PATCH 1/3] Fix IO error reporting on fsync()

When IO error happens during async write, we have to mark buffer as having IO
error too. Otherwise IO error reporting for filesystems like ext2 does not
work.

Signed-off-by: Jan Kara <jack@...e.cz>

diff -rupX /home/jack/.kerndiffexclude linux-2.6.18/fs/buffer.c linux-2.6.18-1-mark_error_buffer/fs/buffer.c
--- linux-2.6.18/fs/buffer.c	2006-09-27 13:08:34.000000000 +0200
+++ linux-2.6.18-1-mark_error_buffer/fs/buffer.c	2006-10-06 13:05:29.000000000 +0200
@@ -589,6 +589,7 @@ static void end_buffer_async_write(struc
 			       bdevname(bh->b_bdev, b));
 		}
 		set_bit(AS_EIO, &page->mapping->flags);
+		set_buffer_write_io_error(bh);
 		clear_buffer_uptodate(bh);
 		SetPageError(page);
 	}
-
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