From 3c55097c553c49deab60ac62c83ef17565004a97 Mon Sep 17 00:00:00 2001 From: Zhang Yi Date: Tue, 6 Jun 2023 21:59:28 +0800 Subject: [PATCH] jbd2: remove __journal_try_to_free_buffer() __journal_try_to_free_buffer() has only one caller and it's logic is much simple now, so just remove it and open code in jbd2_journal_try_to_free_buffers(). Signed-off-by: Zhang Yi Reviewed-by: Jan Kara Link: https://lore.kernel.org/r/20230606135928.434610-7-yi.zhang@huaweicloud.com Signed-off-by: Theodore Ts'o --- fs/jbd2/transaction.c | 31 +++++++------------------------ 1 file changed, 7 insertions(+), 24 deletions(-) diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c index 6ef5022..4d1fda1 100644 --- a/fs/jbd2/transaction.c +++ b/fs/jbd2/transaction.c @@ -2099,29 +2099,6 @@ void jbd2_journal_unfile_buffer(journal_t *journal, struct journal_head *jh) __brelse(bh); } -/* - * Called from jbd2_journal_try_to_free_buffers(). - * - * Called under jh->b_state_lock - */ -static void -__journal_try_to_free_buffer(journal_t *journal, struct buffer_head *bh) -{ - struct journal_head *jh; - - jh = bh2jh(bh); - - if (jh->b_next_transaction != NULL || jh->b_transaction != NULL) - return; - - spin_lock(&journal->j_list_lock); - /* Remove written-back checkpointed metadata buffer */ - if (jh->b_cp_transaction != NULL) - jbd2_journal_try_remove_checkpoint(jh); - spin_unlock(&journal->j_list_lock); - return; -} - /** * jbd2_journal_try_to_free_buffers() - try to free page buffers. * @journal: journal for operation @@ -2179,7 +2156,13 @@ bool jbd2_journal_try_to_free_buffers(journal_t *journal, struct folio *folio) continue; spin_lock(&jh->b_state_lock); - __journal_try_to_free_buffer(journal, bh); + if (!jh->b_transaction && !jh->b_next_transaction) { + spin_lock(&journal->j_list_lock); + /* Remove written-back checkpointed metadata buffer */ + if (jh->b_cp_transaction != NULL) + jbd2_journal_try_remove_checkpoint(jh); + spin_unlock(&journal->j_list_lock); + } spin_unlock(&jh->b_state_lock); jbd2_journal_put_journal_head(jh); if (buffer_jbd(bh)) -- 2.7.4