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writable ext4 #243

Merged
merged 1 commit into from
Jul 29, 2024
Merged

writable ext4 #243

merged 1 commit into from
Jul 29, 2024

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deitch
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@deitch deitch commented Jul 26, 2024

This is a first draft of write functionality for ext4, including tests (of course). The failure cases all work as expected. There do not appear to be any missing write-implementing functions, or any such functions that have missing functionality. However, some of that logic almost certainly is incorrect, as proven by the testing errors.

Anyone who want to assist fixing the functions is welcome.

@deitch deitch force-pushed the ext4-write branch 20 times, most recently from 889b5b1 to 44047d0 Compare July 29, 2024 15:51
Signed-off-by: Avi Deitcher <[email protected]>
@deitch deitch marked this pull request as ready for review July 29, 2024 15:55
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deitch commented Jul 29, 2024

This works, surprisingly well. I suspect it will break down with:

  • splitting/extending the extents tree from the inode
  • creating a brand-new ext4 filesystem

But I am happy to merge it in as is, and fix individual issues as they arise.

@deitch deitch merged commit f92199d into master Jul 29, 2024
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@deitch deitch deleted the ext4-write branch July 29, 2024 16:10
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