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alistair23-linux
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jbd2: remove bunch of empty lines with jbd2 debug 

See following dmesg output with jbd2 debug enabled:

...(start_this_handle, 313): New handle 00000000c88d6ceb going live.

...(start_this_handle, 383): Handle 00000000c88d6ceb given 53 credits (total 53, free 32681)

...(do_get_write_access, 838): journal_head 0000000002856fc0, force_copy 0

...(jbd2_journal_cancel_revoke, 421): journal_head 0000000002856fc0, cancelling revoke

We have an extra line with every messages, this is a waste of buffer,
we can fix it by removing "\n" in the caller or remove it in
the __jbd2_debug(), i checked every jbd2_debug() passed '\n' explicitly.

To avoid more lines, let's remove it inside __jbd2_debug().

Signed-off-by: Wang Shilong <wshilong@ddn.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
hifive-unleashed-5.1
Wang Shilong 2018-05-20 22:14:29 -04:00 committed by Theodore Ts'o
parent c89128a008
commit 9196f57151
1 changed files with 1 additions and 1 deletions
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2
fs/jbd2/journal.c
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@ -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);