Flush buffers on a specific device using blockdev utility.
Call block device ioctls from the command line to flush buffers on a specific device.
$ sudo blockdev -v --flushbufs /dev/nvme0n1
flush buffers succeeded.
Simple as that.
Flush buffers on a specific device using blockdev utility.
Call block device ioctls from the command line to flush buffers on a specific device.
$ sudo blockdev -v --flushbufs /dev/nvme0n1
flush buffers succeeded.
Simple as that.