https://bugs.kde.org/show_bug.cgi?id=505852

Grósz Dániel <[email protected]> changed:

           What    |Removed                     |Added
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                 CC|                            |[email protected]

--- Comment #13 from Grósz Dániel <[email protected]> ---
Happens here too, with an almost full, 2 TB BTRFS hard disk. The extreme
slowness is new. The btrfsck check takes 20 minutes. Mounting was somewhat slow
earlier too (maybe half a minute); Idk if it's the plasma shell's behavior that
changed, or perhaps the default operation of btrfsck became much slower, or
perhaps Solid via udisks now reports that it can check the drive, while
previously it couldn't.

Also note that btrfsck doesn't even repair anything by default, its repair
functionality is considered unsafe, while AFAIK btrfs automatically repairs
errors that can be safely repaired when mounting, so btrfsck should be
unnecessary.

Perhaps a reasonable behavior would be to try mounting first, and only fsck
(with no timeout) if mounting fails with an error that indicates that the file
system is damaged, and then try to mount again. Even then, ideally only run
fsck if the file system has an fsck tool that can safely repair some kinds of
errors, otherwise just report that the file system is damaged (Idk if there's a
way to get this information from udisks).

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