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Re: tunefs throws mount error
ci4ic4%gmail.com@localhost (Chavdar Ivanov) writes:
># tunefs -o time /dev/rdk5
>tunefs: tuning /dev/rdk5
>tunefs: optimization preference remains unchanged as time
>tunefs: mount of /dev/dk1 on / updated <======
If the device is "mounted", tunefs triggers a mount -u to push
changes into the kernel.
The check is done by calling fstatvfs(), and if successful the
update is done on f_mntonname.
That's a recent change (2020-04-09) and at least the check is bogus
because fstatvfs() also succeeds when the device isn't mounted (and
returns the filesystem where /dev lives, usually the root filesystem).
Michael van Elst
"A potential Snark may lurk in every tree."
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