Can fstrim work on read only mounts?

[Ahmad Samir]

On 17/08/14 03:16, Ali Alipoor.R wrote:
> Hi
> 1- can fstrim work on read only mounted partitions?

[...]

> 2- can discard and ro options be mixed in fstab?
>

The upstream ext4 filesystem developer had posted[1] some time ago that 
using the "discard" mount option is not recommended for most SATA SSD 
drives.

[1]http://lkml.iu.edu//hypermail/linux/kernel/1302.2/03739.html


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-- 
Ahmad Samir