From: Wang Long Subject: [PATCH] jbd2: remove duplicate `\n` in jbd_debug Date: Mon, 5 Feb 2018 21:21:21 +0800 Message-ID: <1517836881-31775-1-git-send-email-wanglong19@meituan.com> Cc: linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, wanglong19@meituan.com To: tytso@mit.edu, jack@suse.com Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org The current jbd_debug output as the following: ``` [180397.891399] fs/jbd2/commit.c: (jbd2_journal_commit_transaction, 718): JBD2: Submit 4 IOs [180397.891417] fs/jbd2/commit.c: (jbd2_journal_commit_transaction, 821): JBD2: commit phase 3 [180397.899183] fs/jbd2/commit.c: (jbd2_journal_commit_transaction, 863): JBD2: commit phase 4 [180397.899189] fs/jbd2/commit.c: (jbd2_journal_commit_transaction, 886): JBD2: commit phase 5 [180397.900321] fs/jbd2/commit.c: (jbd2_journal_commit_transaction, 923): JBD2: commit phase 6 [180397.900327] fs/jbd2/commit.c: (jbd2_journal_commit_transaction, 1092): JBD2: commit phase 7 ``` Every jbd_debug call in kernel will append `\n` in its fmt argument, so remove duplicate `\n` Signed-off-by: Wang Long --- fs/jbd2/journal.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 3fbf48e..93016bb 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -114,7 +114,7 @@ void __jbd2_debug(int level, const char *file, const char *func, va_start(args, fmt); vaf.fmt = fmt; vaf.va = &args; - printk(KERN_DEBUG "%s: (%s, %u): %pV\n", file, func, line, &vaf); + printk(KERN_DEBUG "%s: (%s, %u): %pV", file, func, line, &vaf); va_end(args); } EXPORT_SYMBOL(__jbd2_debug); -- 1.8.3.1