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   Haelwenn /элвэн/ :triskell: (lanodan@queer.hacktivis.me)'s status on Friday, 01-Mar-2024 00:59:40 JST Haelwenn /элвэн/ :triskell:
   lol wtf rename(2) not working across filesystems.
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     Haelwenn /элвэн/ :triskell: (lanodan@queer.hacktivis.me)'s status on Friday, 01-Mar-2024 01:04:44 JST Haelwenn /элвэн/ :triskell:

     in reply to

     • :umu: :umu:

     @a1ba Feels rather silly to have a syscall for renaming with the same limitations as link(2).

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     :umu: :umu: (a1ba@suya.place)'s status on Friday, 01-Mar-2024 01:04:46 JST :umu: :umu:

     in reply to
     @lanodan isn't it's a feature?
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     Haelwenn /элвэн/ :triskell: (lanodan@queer.hacktivis.me)'s status on Friday, 01-Mar-2024 01:23:15 JST Haelwenn /элвэн/ :triskell:

     in reply to
     Which of course is also true for subvolumes, linux dammit.
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     Haelwenn /элвэн/ :triskell: (lanodan@queer.hacktivis.me)'s status on Friday, 01-Mar-2024 01:34:16 JST Haelwenn /элвэн/ :triskell:

     in reply to
     And probably very "fun" when you're moving data between two mountpoints of the same remote fileserver, suddenly what could be done in a split second can take hours.
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     Haelwenn /элвэн/ :triskell: (lanodan@queer.hacktivis.me)'s status on Friday, 01-Mar-2024 01:40:16 JST Haelwenn /элвэн/ :triskell:

     in reply to

     • feld
     @feld Yeah but seems like it's going to be an optimisation that userspace software will have to do instead of having it done right in linux kernel… (no idea for FreeBSD)
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     feld (feld@bikeshed.party)'s status on Friday, 01-Mar-2024 01:40:17 JST feld

     in reply to
     @lanodan this is what I really appreciate the new ZFS bclone functionality for. It just works instantly like it was on the same volume.
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     Haelwenn /элвэн/ :triskell: (lanodan@queer.hacktivis.me)'s status on Friday, 01-Mar-2024 01:46:35 JST Haelwenn /элвэн/ :triskell:

     in reply to

     • feld
     @feld Or abusing the fact that C has no difference between a syscall and a function call and wrap it around, but pretty sure no libc developer would accept that kind of hack.
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     feld (feld@bikeshed.party)'s status on Friday, 01-Mar-2024 01:46:36 JST feld

     in reply to
     @lanodan oh yes it requires a specific syscall to be used IIRC and there's probably a ton of software out there that won't get the benefit but you could probably hijack it with some LD_PRELOAD tricks i suppose
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     Haelwenn /элвэн/ :triskell: (lanodan@queer.hacktivis.me)'s status on Friday, 01-Mar-2024 12:50:02 JST Haelwenn /элвэн/ :triskell:

     in reply to

     • Jérôme Carretero
     @cJ That's userspace doing this optimisation, look at the syscalls, it's ugly.
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     Jérôme Carretero (cj@mastodon.zougloub.eu)'s status on Friday, 01-Mar-2024 12:50:13 JST Jérôme Carretero

     in reply to

     @lanodan

     But! For fast subvolume moving you can cp --reflink and remove the original 🤡