bcachefs: Add accounting for dirty btree nodes/keys

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This lets us improve journal reclaim, so that it now tries to make sure
no more than 3/4s of the btree node cache and btree key cache are dirty
- ensuring the shrinkers can free memory.

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

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Kent Overstreet 2020-11-09 13:01:52 -05:00 • committed by Kent Overstreet

parent 01819cfe37

commit 6a747c4683

8 changed files with 69 additions and 15 deletions

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4

fs/bcachefs/btree_cache.c

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2

fs/bcachefs/btree_io.c

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17

fs/bcachefs/btree_io.h

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41

fs/bcachefs/btree_key_cache.c

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6

fs/bcachefs/btree_types.h

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fs/bcachefs/btree_update_interior.c

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2

fs/bcachefs/btree_update_leaf.c

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6

fs/bcachefs/journal_reclaim.c

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