bcachefs: Fix a deadlock on journal reclaim

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Flushing the btree key cache needs to use allocation reserves - journal
reclaim depends on flushing the btree key cache for making forward
progress, and the allocator and copygc depend on journal reclaim making
forward progress.

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

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Kent Overstreet 2021-04-20 17:09:25 -04:00 • committed by Kent Overstreet

parent 6adaac0b95

commit f09517fc51

3 changed files with 19 additions and 2 deletions

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6

fs/bcachefs/btree_key_cache.c

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2

fs/bcachefs/journal_reclaim.c

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13

fs/bcachefs/movinggc.c

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