On Mon 05-02-18 21:21:21, Wang Long wrote: > 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 <wanglong19@xxxxxxxxxxx> Makes sense. You can add: Reviewed-by: Jan Kara <jack@xxxxxxx> Honza > --- > 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 > > -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR
