btrfs: do not try to repair bio that has no mirror set

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If we fail to submit a bio for whatever reason, we may not have setup a
mirror_num for that bio.  This means we shouldn't try to do the repair
workflow, if we do we'll hit an BUG_ON(!failrec->this_mirror) in
clean_io_failure.  Instead simply skip the repair workflow if we have no
mirror set, and add an assert to btrfs_check_repairable() to make it
easier to catch what is happening in the future.

Reviewed-by: Boris Burkov <boris@bur.io>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Josef Bacik 2022-02-18 10:03:28 -05:00 • committed by David Sterba

parent f9f15de85d

commit 510671d2d8

1 changed files with 9 additions and 0 deletions

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fs/btrfs/extent_io.c

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