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Date:   Sat, 28 Jan 2017 19:05:05 -0500
From:   James Simmons <jsimmons@...radead.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org,
        Andreas Dilger <andreas.dilger@...el.com>,
        Oleg Drokin <oleg.drokin@...el.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Lustre Development List <lustre-devel@...ts.lustre.org>,
        Bobi Jam <bobijam.xu@...el.com>,
        James Simmons <jsimmons@...radead.org>
Subject: [PATCH 37/60] staging: lustre: llite: specify READA debug mask for ras_update

From: Bobi Jam <bobijam.xu@...el.com>

So that debug log only contains relevant messages for debugging
purpose.

Signed-off-by: Bobi Jam <bobijam.xu@...el.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-8413
Reviewed-on: http://review.whamcloud.com/22753
Reviewed-by: Andreas Dilger <andreas.dilger@...el.com>
Reviewed-by: Fan Yong <fan.yong@...el.com>
Reviewed-by: Oleg Drokin <oleg.drokin@...el.com>
Signed-off-by: James Simmons <jsimmons@...radead.org>
---
 drivers/staging/lustre/lustre/llite/rw.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/staging/lustre/lustre/llite/rw.c b/drivers/staging/lustre/lustre/llite/rw.c
index 18d3ccb..50d027e 100644
--- a/drivers/staging/lustre/lustre/llite/rw.c
+++ b/drivers/staging/lustre/lustre/llite/rw.c
@@ -729,6 +729,10 @@ static void ras_update(struct ll_sb_info *sbi, struct inode *inode,
 
 	spin_lock(&ras->ras_lock);
 
+	if (!hit)
+		CDEBUG(D_READA, DFID " pages at %lu miss.\n",
+		       PFID(ll_inode2fid(inode)), index);
+
 	ll_ra_stats_inc_sbi(sbi, hit ? RA_STAT_HIT : RA_STAT_MISS);
 
 	/* reset the read-ahead window in two cases.  First when the app seeks
-- 
1.8.3.1

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