Direct IO optimization for Ext4

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I was going through the following links and they state that Ext4 will get more DIO optimizations in the coming kernel patches. From what I've read online, these are ilock patches which help improve the current inode lock scalability problem in ext4 DIO mixed-read/write workload cases. I want to know if these optimization patches are included in RHEL 7.7.

https://www.phoronix.com/scan.php?page=news_item&px=EXT4-DIO-Faster-DBs

http://lkml.iu.edu/hypermail/linux/kernel/1909.2/06862.html

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