[PATCH 1/2] makedumpfile: Add description of pages lost by ENOSPACE in IMPLEMENTATION

[Atsushi Kumagai]

Hello Zhou,

>Currently, there is no obvious description in IMPLEMENTATION for
>distinguishing the lost pages resulted by ENOSPACE errors or others.
>So, it is added.
>
>Signed-off-by: Zhou Wenjian <zhouwj-fnst at cn.fujitsu.com>
>---
> IMPLEMENTATION |    2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
>diff --git a/IMPLEMENTATION b/IMPLEMENTATION
>index 72df5d5..70a3f7c 100644
>--- a/IMPLEMENTATION
>+++ b/IMPLEMENTATION
>@@ -240,6 +240,8 @@
>     The page header and page data are written in pairs. When writing page data
>     (pfn N+1), if ENOSPACE error happens, the page headers after N won't be
>     written either.
>+    When reading page from incomplete core, only the page lost by ENOSPACE errors
>+    has 0 in its corresponding page descriptor's member offset.

I'm not sure this is correct.
Could you point me where is the code which sets 0 to the page_desc->offset
of the lost page ?


Thanks
Atsushi Kumagai

>     If there is no page data dumped into the DUMPFILE, the DUMPFILE can't be
>     analysed by crash.
>--
>1.7.1
>
>
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