Is that possible to free some disk of /tmp and move to /usr?

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i follow the answer on this my question about free disk, when i run

sudo resize2fs /dev/mapper/fedora_localhost--live-tmp

i got

resize2fs 1.45.5 (07-Jan-2020)
resize2fs: Device or resource busy while trying to open /dev/mapper/fedora_localhost--live-tmp
Couldn't find valid filesystem superblock.