Re: [PATCH v2 4.19 0/4] ext4: improve delalloc buffer write performance

[Greg KH]

On Sun, Jul 21, 2024 at 12:04:06AM +0800, WangYuli wrote:
> Changes since v1:
>   Fixed some formatting errors to make the patchset less confusing.
> 
> A patchset from linux-5.15 should be backported to 4.19 that can
> significantly improve ext4 fs read and write performance. Unixbench test
> results for linux-4.19.318 on Phytium D2000 CPU are shown below.

Also, this looks like a performance issue, why not just use a newer
kernel (i.e. 5.15.y) to get the benefit of this, and many other,
increased performance fixes?  4.19.y is only going to be alive for a few
more months, if you haven't already planned to move off of it yet, you
need to do so now.

thanks,

greg k-h