Remove discard mount option on ramdisk

suaefar / ryzen-test

Tools to reproduce randomly crashing processes under load on AMD Ryzen processors on Linux

GNU General Public License v3.0

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Remove discard mount option on ramdisk #12

Closed damentz closed 7 years ago

damentz commented 7 years ago

Discard should only be enabled for block devices that expose ATA_TRIM, such as SSDs. Ram disks don't and shouldn't expose ATA_TRIM, and don't suffer from wear the same way SSDs do.

Closes suaefar/ryzen-test#11

suaefar commented 7 years ago

Hi!

Thank you for your input! zram seems to support REQ_DISCARD [1].

[1] https://lwn.net/Articles/588383/