bcachefs: Btree key cache improvements

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- In userspace, we don't have real percpu variables; this patch
   disables the percpu freelists in userspace
 - add some error messages for the asserts in
   bch2_fs_btree_key_cache_exit(); we've been hitting this (only in
   userspace, oddly), perhaps this will help us track down the error.
 - bkey_cached_reuse() should likely be taking the key cache lock, and
   it's a slowpath so it doesn't hurt to

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

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This commit is contained in:

Kent Overstreet 2022-10-15 00:47:21 -04:00

parent dccedaaa52

commit fe5b37f699

1 changed files with 50 additions and 17 deletions

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fs/bcachefs/btree_key_cache.c

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