mbcache: automatically delete entries from cache on freeing

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Use the fact that entries with elevated refcount are not removed from
the hash and just move removal of the entry from the hash to the entry
freeing time. When doing this we also change the generic code to hold
one reference to the cache entry, not two of them, which makes code
somewhat more obvious.

Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220712105436.32204-10-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

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Jan Kara 2022-07-12 12:54:29 +02:00 • committed by Theodore Ts'o

parent 75896339e4

commit 307af6c879

2 changed files with 55 additions and 77 deletions

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24

include/linux/mbcache.h

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