bcachefs: Also log overwrites in journal

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Lately we've been doing a lot of debugging by looking at the journal to
see what was changed, and by what code path. This patch adds a new
journal entry type for recording overwrites, so that we don't have to
search backwards through the journal to see what was being overwritten
in order to work out what the triggers were supposed to be doing.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>

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Kent Overstreet 2022-06-05 15:32:57 -04:00 • committed by Kent Overstreet

parent 43ddf44834

commit cb685ce72c

3 changed files with 79 additions and 51 deletions

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3

fs/bcachefs/bcachefs_format.h

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92

fs/bcachefs/btree_update_leaf.c

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35

fs/bcachefs/journal_io.c

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