On 2024/6/25 1:01, Jan Kara wrote:

There's no reason to have jbd2_journal_get_max_txn_bufs() public function. Currently all users are internal and can use journal->j_max_transaction_buffers instead. This saves some unnecessary recomputations of the limit as a bonus which becomes important as this function gets more complex in the following patch.

CC: stable@vger.kernel.org Signed-off-by: Jan Kara jack@suse.cz

A good cleanup.

Reviewed-by: Zhang Yi yi.zhang@huawei.com

---

fs/jbd2/commit.c | 2 +- fs/jbd2/journal.c | 5 +++++ include/linux/jbd2.h | 5 ----- 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c index 75ea4e9a5cab..e7fc912693bd 100644 --- a/fs/jbd2/commit.c +++ b/fs/jbd2/commit.c @@ -766,7 +766,7 @@ void jbd2_journal_commit_transaction(journal_t *journal) if (first_block < journal->j_tail) freed += journal->j_last - journal->j_first; /* Update tail only if we free significant amount of space */

• if (freed < jbd2_journal_get_max_txn_bufs(journal))
  

• if (freed < journal->j_max_transaction_buffers)
  update_tail = 0;
  

  } J_ASSERT(commit_transaction->t_state == T_COMMIT);

diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 03c4b9214f56..1bb73750d307 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -1698,6 +1698,11 @@ journal_t *jbd2_journal_init_inode(struct inode *inode) return journal; } +static int jbd2_journal_get_max_txn_bufs(journal_t *journal) +{

• return (journal->j_total_len - journal->j_fc_wbufsize) / 4;

+}

/*

• Given a journal_t structure, initialise the various fields for
• startup of a new journaling session. We use this both when creating

diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index ab04c1c27fae..f91b930abe20 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -1660,11 +1660,6 @@ int jbd2_wait_inode_data(journal_t *journal, struct jbd2_inode *jinode); int jbd2_fc_wait_bufs(journal_t *journal, int num_blks); int jbd2_fc_release_bufs(journal_t *journal); -static inline int jbd2_journal_get_max_txn_bufs(journal_t *journal) -{

• return (journal->j_total_len - journal->j_fc_wbufsize) / 4;

-}

/*

• is_journal_abort