Re: os-prober slow, grub-mount results in very slow file transfers

We don't maintain os-prober. As for grub-mount it was never meant to be
fast and certainly isn't

Le lun. 13 mai 2024, 22:47, stratus--- via Bug reports for the GRand
Unified Bootloader <[email protected]> a écrit :

> Dear Grub maintainers, myself and others on the Artix forum have
> experienced problems with os-prober running very slowly. The issue seems to
> occur in other distros as well, and the same subject has come up before in
> the past:
> https://forum.artixlinux.org/index.php/topic,6818.msg41493
> It appears that grub-mount uses a FUSE mount which requires a specific
> implementation for different filesystems. When the partitions are mounted
> with grub-mount, file reading operations are vastly slower than when
> mounted by the normal mount command. This is even worse on BTRFS than with
> EXT4, and it looks like NTFS is probably very slow too. This can be easily
> tested by using grub-mount to mount a partition then seeing how long it
> takes to copy some files over compared with a normal mount. And to further
> obscure the issue, it also appears to depend on how much searching
> os-prober has to do before  finding out the information it needs, some
> distros like Devuan seem to yield this quickly so there still isn't any
> real delay, but Arch takes much longer and probably Windows too it appears.
> I sometimes use gvfs-gphoto2 to transfer pictures and videos (some of
> which may be several GB in size) from my camera which uses a FUSE
> implementation and that doesn't have especially slow transfer speeds.
> I wonder if you might be able to fix this sometime, or if you think the
> issue lies outside of grub, provide advice on who to "bug" about this
> instead.
> Best wishes!
>
>