bcachefs: Check for bad needs_discard before doing discard

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In the discard worker, we were failing to validate the bucket state -
meaning a corrupt needs_discard btree could cause us to discard a bucket
that we shouldn't.

If check_alloc_info hasn't run yet we just want to bail out, otherwise
it's a filesystem inconsistent error.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

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This commit is contained in:

Kent Overstreet 2024-04-02 18:30:14 -04:00

parent e0319af2b6

commit 7ee88737ab

1 changed files with 26 additions and 21 deletions

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fs/bcachefs/alloc_background.c

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