bcachefs: Fix implementation of KEY_TYPE_error

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When force-removing a device, we were silently dropping extents that we
no longer had pointers for - we should have been switching them to
KEY_TYPE_error, so that reads for data that was lost return errors.

This patch adds the logic for switching a key to KEY_TYPE_error to
bch2_bkey_drop_ptr(), and improves the logic somewhat.

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

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Kent Overstreet 2021-10-13 13:12:26 -04:00 • committed by Kent Overstreet

parent 776eaddb2c

commit b9a7d8ac5f

4 changed files with 74 additions and 33 deletions

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1

fs/bcachefs/btree_gc.c

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92

fs/bcachefs/extents.c

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14

fs/bcachefs/extents.h

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2

fs/bcachefs/move.c

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