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authorColy Li <colyli@suse.de>2019-11-13 16:03:22 +0800
committerJens Axboe <axboe@kernel.dk>2019-11-13 15:42:50 -0700
commit5dccefd3ea0b33cf3e5a45cbccc7e0bf22791655 (patch)
treeac6e1c64a1899967193bed81559b31838d4f5b9a /tools/perf/scripts/python/export-to-postgresql.py
parentbcache: fix deadlock in bcache_allocator (diff)
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bcache: add code comments in bch_btree_leaf_dirty()
This patch adds code comments in bch_btree_leaf_dirty() to explain why w->journal should always reference the eldest journal pin of all the writing bkeys in the btree node. To make the bcache journal code to be easier to be understood. Signed-off-by: Coly Li <colyli@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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