From 16aa4c9a1fbe763c147a964cdc1f5be8ed98ed13 Mon Sep 17 00:00:00 2001 From: Zhang Yi Date: Wed, 30 Jun 2021 16:36:38 +0800 Subject: [PATCH] jbd2: export jbd2_journal_[un]register_shrinker() Export jbd2_journal_[un]register_shrinker() to fix this error when ext4 is built as a module: ERROR: modpost: "jbd2_journal_unregister_shrinker" undefined! ERROR: modpost: "jbd2_journal_register_shrinker" undefined! Fixes: 4ba3fcdde7e3 ("jbd2,ext4: add a shrinker to release checkpointed buffers") Signed-off-by: Zhang Yi Reviewed-by: Jan Kara Link: https://lore.kernel.org/r/20210630083638.140218-1-yi.zhang@huawei.com Signed-off-by: Theodore Ts'o --- fs/jbd2/journal.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 7c52feb6f753..152880c298ca 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -2122,6 +2122,7 @@ int jbd2_journal_register_shrinker(journal_t *journal) return 0; } +EXPORT_SYMBOL(jbd2_journal_register_shrinker); /** * jbd2_journal_unregister_shrinker() @@ -2134,6 +2135,7 @@ void jbd2_journal_unregister_shrinker(journal_t *journal) percpu_counter_destroy(&journal->j_jh_shrink_count); unregister_shrinker(&journal->j_shrinker); } +EXPORT_SYMBOL(jbd2_journal_unregister_shrinker); /** * jbd2_journal_destroy() - Release a journal_t structure. -- 2.11.0