bcachefs: Fix btree iter flags in data move (2)

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Data move -> move_get_io_opts -> bch2_get_update_rebalance_opts

requires a not_extents iterator; this fixes the path where we're walking
the extents btree and chase a reflink pointer into the reflink btree.

bch2_lookup_indirect_extent() requires working with an extents iterator
(due to peek_slot() semantics), so we implement
bch2_lookup_indirect_extent_for_move().

This is simplified because there's no need to report
indirect_extent_missing_errors here, that can be deferred until fsck or
when a user reads that data.

Reported-by: Maël Kerbiriou <mael.kerbiriou@free.fr>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

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This commit is contained in:

Kent Overstreet 2025-03-17 15:07:06 -04:00

parent 19ff84b20d

commit 9314e2fb26

1 changed files with 33 additions and 4 deletions

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37

fs/bcachefs/move.c

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