[Bugs] [Bug 1670031] performance regression seen with smallfile workload tests

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1670031

Amar Tumballi <atumball at redhat.com> changed:

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--- Comment #16 from Amar Tumballi <atumball at redhat.com> ---
> Has git bisect been used to narrow down the patches that have caused the regression? The inode code has not changed in a long time so this is unlikely to be the cause of the slowdown.

Ack, inode code is surely not the reason. The code/features identified as
reasons for some of the regressions were:

* no-root-squash PID for mkdir-layout set code in DHT (for mkdir)
* gfid2path xattr setting (for rename)
* ctime setting (for rmdir and few other entry ops, which seemed minor).

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