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authorSage Weil <sage@newdream.net>2011-08-24 23:07:01 +0200
committerSage Weil <sage@newdream.net>2011-10-26 01:10:16 +0200
commit83eaea22bdfc9e1cec88f81be5b64f30f6c37e8b (patch)
treef63f415ce4241c12639ef78f4920ed6b99915760 /fs/file.c
parentceph: replace leading spaces with tabs (diff)
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Revert "ceph: don't truncate dirty pages in invalidate work thread"
This reverts commit c9af9fb68e01eb2c2165e1bc45cfeeed510c64e6. We need to block and truncate all pages in order to reliably invalidate them. Otherwise, we could: - have some uptodate pages in the cache - queue an invalidate - write(2) locks some pages - invalidate_work skips them - write(2) only overwrites part of the page - page now dirty and uptodate -> partial leakage of invalidated data It's not entirely clear why we started skipping locked pages in the first place. I just ran this through fsx and didn't see any problems. Signed-off-by: Sage Weil <sage@newdream.net>
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