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Subject[PATCH 05/15] GFS2: fs/gfs2/glock.c: Use printf extension %pV
Date
From: Joe Perches <joe@perches.com>

Using %pV reduces the number of printk calls and
eliminates any possible message interleaving from
other printk calls.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 13155f6..a9b53a4 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -951,17 +951,22 @@ int gfs2_glock_wait(struct gfs2_holder *gh)

void gfs2_print_dbg(struct seq_file *seq, const char *fmt, ...)
{
+ struct va_format vaf;
va_list args;

va_start(args, fmt);
+
if (seq) {
struct gfs2_glock_iter *gi = seq->private;
vsprintf(gi->string, fmt, args);
seq_printf(seq, gi->string);
} else {
- printk(KERN_ERR " ");
- vprintk(fmt, args);
+ vaf.fmt = fmt;
+ vaf.va = &args;
+
+ printk(KERN_ERR " %pV", &vaf);
}
+
va_end(args);
}

--
1.7.3.3


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