Yoshinori Matsunobu 824e646341 Adding another NewFlashcacheAwareEnv function to support pre-opened fd ... Summary: There are some cases when flachcache file descriptor was already allocated (i.e. fb-MySQL). Then NewFlashcacheAwareEnv returns an error at open() because fd was already assigned. This diff adds another function to instantiate FlashcacheAwareEnv, with pre-allocated fd cachedev_fd. Test Plan: Tested with MyRocks using this function, then worked Reviewers: sdong, igor Reviewed By: igor Subscribers: dhruba, MarkCallaghan, rven Differential Revision: https://reviews.facebook.net/D36447		2015-04-06 16:50:36 -07:00
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rocksdb	Adding another NewFlashcacheAwareEnv function to support pre-opened fd	2015-04-06 16:50:36 -07:00
utilities