linux-ext4 - [PATCH 1/2] jbd2: export jbd2_journal_[grab|put]_journal

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Message-Id: <20220121071205.100648-2-joseph.qi@linux.alibaba.com>
Date:   Fri, 21 Jan 2022 15:12:04 +0800
From:   Joseph Qi <joseph.qi@...ux.alibaba.com>
To:     akpm@...ux-foundation.org, tytso@....edu, adilger.kernel@...ger.ca
Cc:     gautham.ananthakrishna@...cle.com, ocfs2-devel@....oracle.com,
        linux-ext4@...r.kernel.org
Subject: [PATCH 1/2] jbd2: export jbd2_journal_[grab|put]_journal_head

This exports symbols jbd2_journal_[grab|put]_journal_head, which will be
used outside modules, e.g. ocfs2.

Signed-off-by: Joseph Qi <joseph.qi@...ux.alibaba.com>
---
 fs/jbd2/journal.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 0b86a4365b66..e9f0c72f6664 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -2972,6 +2972,7 @@ struct journal_head *jbd2_journal_grab_journal_head(struct buffer_head *bh)
 	jbd_unlock_bh_journal_head(bh);
 	return jh;
 }
+EXPORT_SYMBOL(jbd2_journal_grab_journal_head);
 
 static void __journal_remove_journal_head(struct buffer_head *bh)
 {
@@ -3024,6 +3025,7 @@ void jbd2_journal_put_journal_head(struct journal_head *jh)
 		jbd_unlock_bh_journal_head(bh);
 	}
 }
+EXPORT_SYMBOL(jbd2_journal_put_journal_head);
 
 /*
  * Initialize jbd inode head
-- 
2.19.1.6.gb485710b