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ceph: perform lazy reads when file mode and caps permit
authorSage Weil <sage@newdream.net>
Thu, 27 May 2010 17:40:43 +0000 (10:40 -0700)
committerSage Weil <sage@newdream.net>
Mon, 2 Aug 2010 03:11:39 +0000 (20:11 -0700)
If the file mode is marked as "lazy," perform cached/buffered reads when
the caps permit it.  Adjust the rdcache_gen and invalidation logic
accordingly so that we manage our cache based on the FILE_CACHE -or-
FILE_LAZYIO cap bits.

Signed-off-by: Sage Weil <sage@newdream.net>

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