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I tried to run fstrim on a NTFS partition but it returns the following error:
fstrim: /media/windows: FITRIM ioctl failed: Device or resource busy
I have checked dmesg and I don't see any error pertaining to the partition.
When I tried downgrading linux from 5.10.3 to 5.9.14, fstrim works.
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it may be related to removed ntfs driver support from kernel: https://github.com/archlinux/svntogit-p … 5eb9b7203a
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But doesn't NTFS-3G supports fstrim? Removal of the module should not affect NTFS-3G, right?
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I have rebuild the kernel with NTFS module enabled but the same error occurs. There must be some changes in 5.10 that breaks fstrim for NTFS.
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I encountered the same issue with linux 5.10.4. I was wondering if you have submitted a bug report to the kernel maintainer?
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I've made a bug report: https://bugs.archlinux.org/task/69600
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