Commits on Aug 11, 2021

1. librbd/cache/pwl/ssd: solve competition between read and retire …

   SSD read is not like rwl's. SSD need aio read. Therefore,
   we cannot guarantee that the data will not be retire
   during the period from sending the read request to the SSD
   and receiving the data to the memory, which may cause
   the corresponding data on the SSD to be overwritten.
   
   Fixes: https://tracker.ceph.com/issues/52236
   Signed-off-by: Feng Hualong <hualong.feng@intel.com>

   

   hualongfeng authored and idryomov committed Aug 11, 2021
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