Li Wang 88285f766c ceph: Avoid data inconsistency due to d-cache aliasing in readpage() ... commit 56f91aad69444d650237295f68c195b74d888d95 upstream. If the length of data to be read in readpage() is exactly PAGE_CACHE_SIZE, the original code does not flush d-cache for data consistency after finishing reading. This patches fixes this. Signed-off-by: Li Wang <liwang@ubuntukylin.com> Signed-off-by: Sage Weil <sage@inktank.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2014-01-09 12:24:22 -08:00
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