Messages in this thread | | | Date | Tue, 21 May 2019 01:28:46 -0700 | From | 'Christoph Hellwig' <> | Subject | Re: [PATCH v5 0/7] Extend write-hint framework, and add write-hint for Ext4 journal |
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On Tue, May 21, 2019 at 10:25:28AM +0200, Jan Kara wrote: > performance benefits for some drives. After all you can just think about it > like RWH_WRITE_LIFE_JOURNAL type of hint available for the kernel...
Except that it actuallys adds a parallel insfrastructure. A RWH_WRITE_LIFE_JOURNAL would be much more palatable, but someone needs to explain how that is:
a) different from RWH_WRITE_LIFE_SHORT b) would not apply to a log/journal maintained in userspace that works exactly the same
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