Bug#909473: fstrim shows incorrect trimmed size after reboot
Hi
On Tue, Jun 08, 2021 at 11:43:06PM +0200, Laurent Bigonville wrote:
> Well I would expect that if I'm running fstrim, the same blocks would not be
> trimmed again (even after reboot) if I'm running the command again
But how would it know that it was already trimmed?
> Here it seems that it's the case, the number of blocks that are being
> trimmed are the same after reboot.
Sure, you did not change the free space (much).
> Are the discard commands delayed and actually not executed when the command
> is run, or am I overlooking something?
You are overlooking that the information about discards is only in
memory.
Bastian
--
If some day we are defeated, well, war has its fortunes, good and bad.
-- Commander Kor, "Errand of Mercy", stardate 3201.7
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