Messages in this thread |  | | | Date | Mon, 2 Jun 2003 17:54:10 -0700 | | From | Andrew Morton <> | | Subject | Re: [BENCHMARK] 2.5.70-mm2 with contest |
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Nick Piggin <piggin@cyberone.com.au> wrote: > > It will be interesting to see what happens if we set the > ext3 journal write paths as PF_SYNCWRITE. I'll try some tests > a bit later today. >
OK.
Longer-term it would be best to lose the PF_SYNCWRITE thing and to just mark the BIOs as synchronous prior to submitting them. It's a matter of transferring the info in writeback_control.sync_mode at the pagecache/BIO boundary: mpage_bio_submit(), __block_write_full_page->submit_bh(), etc.
But we can worry about that later, once it is established that the synchronous write detection is sufficiently useful.
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