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Patch from Klaus Hochlehnert <Mailings@kh-dev.de>:

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Here's the readahead patch for Ubuntu 8.04 - 2.6.24 kernel



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@925 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Vladislav Bolkhovitin
2009-06-29 18:11:58 +00:00
parent 9cc47f781a
commit 52c786d105
1 changed files with 11 additions and 0 deletions
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11
scst/kernel/unsupported/readahead-ubuntu-8.04-2.6.24.patch Normal file
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@@ -0,0 +1,11 @@
--- linux-2.6.24-24.53/mm/readahead.c 2008-02-11 06:51:11.000000000 +0100
+++ linux-2.6.24-24.53.copy/mm/readahead.c 2009-06-09 21:59:13.640647726 +0200
@@ -472,5 +472,8 @@ page_cache_async_readahead(struct addres
/* do read-ahead */
ondemand_readahead(mapping, ra, filp, true, offset, req_size);
+
+ if (PageUptodate(page))
+ blk_run_backing_dev(mapping->backing_dev_info, NULL);
}
EXPORT_SYMBOL_GPL(page_cache_async_readahead);