Re: kernel BUG at ll_rw_blk.c:711!

From: David S. Miller (davem@redhat.com)
Date: Wed Sep 13 2000 - 08:06:24 EST


Known bug, Linus just hasn't made a pre-patch in a long
time with the fix. Here is the fix:

--- vanilla/linux/fs/buffer.c Wed Sep 6 08:29:45 2000
+++ linux/fs/buffer.c Sun Sep 10 17:25:26 2000
@@ -1758,13 +1758,13 @@
                 pos += blocksize;
         }
 
+ err = 0;
+ if (!buffer_mapped(bh)) {
+ get_block(inode, iblock, bh, 0);
+ if (!buffer_mapped(bh))
+ goto unlock;
+ }
         if (!buffer_uptodate(bh)) {
- err = 0;
- if (!buffer_mapped(bh)) {
- get_block(inode, iblock, bh, 0);
- if (!buffer_mapped(bh))
- goto unlock;
- }
                 err = -EIO;
                 bh->b_end_io = end_buffer_io_sync;
                 ll_rw_block(READ, 1, &bh);
-
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This archive was generated by hypermail 2b29 : Fri Sep 15 2000 - 21:00:20 EST