bcachefs: Convert bch2_dev_usrdata_drop() to for_each_btree_key2()

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The new for_each_btree_key2() macro handles transaction retries,
allowing us to avoid nested transactions - which we want to avoid since
they're tricky to do completely correctly and upcoming assertions are
going to be checking for that.

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

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Kent Overstreet 2022-07-17 00:31:40 -04:00 • committed by Kent Overstreet

parent d04801a0f4

commit 8933315689

2 changed files with 56 additions and 60 deletions

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5

fs/bcachefs/btree_types.h

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121

fs/bcachefs/migrate.c

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