[PATCH 37/60] staging: lustre: llite: specify READA debug mask for ras_update
James Simmons
jsimmons at infradead.org
Sun Jan 29 00:05:05 UTC 2017
From: Bobi Jam <bobijam.xu at intel.com>
So that debug log only contains relevant messages for debugging
purpose.
Signed-off-by: Bobi Jam <bobijam.xu at intel.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 at intel.com>
Reviewed-by: Fan Yong <fan.yong at intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin at intel.com>
Signed-off-by: James Simmons <jsimmons at infradead.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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