| From: | ITAGAKI Takahiro <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp> |
|---|---|
| To: | pgsql-patches(at)postgresql(dot)org |
| Subject: | O_DIRECT support for Windows |
| Date: | 2007-01-15 08:36:09 |
| Message-ID: | 20070115171253.5900.ITAGAKI.TAKAHIRO@oss.ntt.co.jp |
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| Lists: | pgsql-hackers pgsql-patches |
The attached is a patch to define O_DIRECT by ourselves on Windows,
and to map O_DIRECT to FILE_FLAG_NO_BUFFERING.
There will be a consistency in our support between Windows and other OSes
that have O_DIRECT. Also, there is the following comment that says, I read,
we should do so.
| handle other flags? (eg FILE_FLAG_NO_BUFFERING/FILE_FLAG_WRITE_THROUGH)
Is this worth doing? Do we need more performance reports for the change?
Regards,
---
ITAGAKI Takahiro
NTT Open Source Software Center
| Attachment | Content-Type | Size |
|---|---|---|
| win32_o_direct.patch | application/octet-stream | 2.5 KB |
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