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Message-ID: <2c759de6a8afa764cfaa32e2ea99b0f0099140d7.1307199715.git.christian.dietrich@informatik.uni-erlangen.de>
Date:	Sat, 4 Jun 2011 17:36:21 +0200
From:	Christian Dietrich <christian.dietrich@...ormatik.uni-erlangen.de>
To:	Neil Brown <neilb@...e.de>, linux-raid@...r.kernel.org,
	linux-kernel@...r.kernel.org, trivial@...nel.org
Subject: [PATCH 4/8] md/raid: use printk_ratelimited instead of
 printk_ratelimit

As per printk_ratelimit comment, it should not be used.

Signed-off-by: Christian Dietrich <christian.dietrich@...ormatik.uni-erlangen.de>
---
 drivers/md/raid1.c  |   22 ++++++++++++----------
 drivers/md/raid10.c |   22 ++++++++++++----------
 drivers/md/raid5.c  |   39 +++++++++++++++++++--------------------
 3 files changed, 43 insertions(+), 40 deletions(-)

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 5d09609..30af10e 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -35,6 +35,7 @@
 #include <linux/delay.h>
 #include <linux/blkdev.h>
 #include <linux/seq_file.h>
+#include <linux/ratelimit.h>
 #include "md.h"
 #include "raid1.h"
 #include "bitmap.h"
@@ -287,10 +288,11 @@ static void raid1_end_read_request(struct bio *bio, int error)
 		 * oops, read error:
 		 */
 		char b[BDEVNAME_SIZE];
-		if (printk_ratelimit())
-			printk(KERN_ERR "md/raid1:%s: %s: rescheduling sector %llu\n",
-			       mdname(conf->mddev),
-			       bdevname(conf->mirrors[mirror].rdev->bdev,b), (unsigned long long)r1_bio->sector);
+		printk_ratelimited(KERN_ERR "md/raid1:%s: %s: "
+				   "rescheduling sector %llu\n",
+				   mdname(conf->mddev),
+				   bdevname(conf->mirrors[mirror].rdev->bdev, b),
+				   (unsigned long long)r1_bio->sector);
 		reschedule_retry(r1_bio);
 	}
 
@@ -1574,12 +1576,12 @@ static void raid1d(mddev_t *mddev)
 						      GFP_NOIO, mddev);
 				r1_bio->bios[r1_bio->read_disk] = bio;
 				rdev = conf->mirrors[disk].rdev;
-				if (printk_ratelimit())
-					printk(KERN_ERR "md/raid1:%s: redirecting sector %llu to"
-					       " other mirror: %s\n",
-					       mdname(mddev),
-					       (unsigned long long)r1_bio->sector,
-					       bdevname(rdev->bdev,b));
+				printk_ratelimited(KERN_ERR
+						   "md/raid1:%s: redirecting sector %llu to"
+						   " other mirror: %s\n",
+						   mdname(mddev),
+						   (unsigned long long)r1_bio->sector,
+						   bdevname(rdev->bdev, b));
 				bio->bi_sector = r1_bio->sector + rdev->data_offset;
 				bio->bi_bdev = rdev->bdev;
 				bio->bi_end_io = raid1_end_read_request;
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 6e84668..e80475a 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -22,6 +22,7 @@
 #include <linux/delay.h>
 #include <linux/blkdev.h>
 #include <linux/seq_file.h>
+#include <linux/ratelimit.h>
 #include "md.h"
 #include "raid10.h"
 #include "raid0.h"
@@ -277,10 +278,11 @@ static void raid10_end_read_request(struct bio *bio, int error)
 		 * oops, read error - keep the refcount on the rdev
 		 */
 		char b[BDEVNAME_SIZE];
-		if (printk_ratelimit())
-			printk(KERN_ERR "md/raid10:%s: %s: rescheduling sector %llu\n",
-			       mdname(conf->mddev),
-			       bdevname(conf->mirrors[dev].rdev->bdev,b), (unsigned long long)r10_bio->sector);
+		printk_ratelimited(KERN_ERR
+				   "md/raid10:%s: %s: rescheduling sector %llu\n",
+				   mdname(conf->mddev),
+				   bdevname(conf->mirrors[dev].rdev->bdev, b),
+				   (unsigned long long)r10_bio->sector);
 		reschedule_retry(r10_bio);
 	}
 }
@@ -1667,12 +1669,12 @@ static void raid10d(mddev_t *mddev)
 				bio_put(bio);
 				slot = r10_bio->read_slot;
 				rdev = conf->mirrors[mirror].rdev;
-				if (printk_ratelimit())
-					printk(KERN_ERR "md/raid10:%s: %s: redirecting sector %llu to"
-					       " another mirror\n",
-					       mdname(mddev),
-					       bdevname(rdev->bdev,b),
-					       (unsigned long long)r10_bio->sector);
+				printk_ratelimited(KERN_ERR
+						   "md/raid10:%s: %s: redirecting"
+						   "sector %llu to another mirror\n",
+						   mdname(mddev),
+						   bdevname(rdev->bdev, b),
+						   (unsigned long long)r10_bio->sector);
 				bio = bio_clone_mddev(r10_bio->master_bio,
 						      GFP_NOIO, mddev);
 				r10_bio->devs[slot].bio = bio;
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 346e69b..8927c26 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -51,6 +51,7 @@
 #include <linux/seq_file.h>
 #include <linux/cpu.h>
 #include <linux/slab.h>
+#include <linux/ratelimit.h>
 #include "md.h"
 #include "raid5.h"
 #include "raid0.h"
@@ -96,8 +97,6 @@
 #define __inline__
 #endif
 
-#define printk_rl(args...) ((void) (printk_ratelimit() && printk(args)))
-
 /*
  * We maintain a biased count of active stripes in the bottom 16 bits of
  * bi_phys_segments, and a count of processed stripes in the upper 16 bits
@@ -1587,12 +1586,12 @@ static void raid5_end_read_request(struct bio * bi, int error)
 		set_bit(R5_UPTODATE, &sh->dev[i].flags);
 		if (test_bit(R5_ReadError, &sh->dev[i].flags)) {
 			rdev = conf->disks[i].rdev;
-			printk_rl(KERN_INFO "md/raid:%s: read error corrected"
-				  " (%lu sectors at %llu on %s)\n",
-				  mdname(conf->mddev), STRIPE_SECTORS,
-				  (unsigned long long)(sh->sector
-						       + rdev->data_offset),
-				  bdevname(rdev->bdev, b));
+			printk_ratelimited(KERN_INFO "md/raid:%s: read error corrected"
+					   " (%lu sectors at %llu on %s)\n",
+					   mdname(conf->mddev), STRIPE_SECTORS,
+					   (unsigned long long)(sh->sector
+								+ rdev->data_offset),
+					   bdevname(rdev->bdev, b));
 			clear_bit(R5_ReadError, &sh->dev[i].flags);
 			clear_bit(R5_ReWrite, &sh->dev[i].flags);
 		}
@@ -1606,21 +1605,21 @@ static void raid5_end_read_request(struct bio * bi, int error)
 		clear_bit(R5_UPTODATE, &sh->dev[i].flags);
 		atomic_inc(&rdev->read_errors);
 		if (conf->mddev->degraded >= conf->max_degraded)
-			printk_rl(KERN_WARNING
-				  "md/raid:%s: read error not correctable "
-				  "(sector %llu on %s).\n",
-				  mdname(conf->mddev),
-				  (unsigned long long)(sh->sector
-						       + rdev->data_offset),
+			printk_ratelimited(KERN_WARNING
+					   "md/raid:%s: read error not correctable "
+					   "(sector %llu on %s).\n",
+					   mdname(conf->mddev),
+					   (unsigned long long)(sh->sector
+								+ rdev->data_offset),
 				  bdn);
 		else if (test_bit(R5_ReWrite, &sh->dev[i].flags))
 			/* Oh, no!!! */
-			printk_rl(KERN_WARNING
-				  "md/raid:%s: read error NOT corrected!! "
-				  "(sector %llu on %s).\n",
-				  mdname(conf->mddev),
-				  (unsigned long long)(sh->sector
-						       + rdev->data_offset),
+			printk_ratelimited(KERN_WARNING
+					   "md/raid:%s: read error NOT corrected!! "
+					   "(sector %llu on %s).\n",
+					   mdname(conf->mddev),
+					   (unsigned long long)(sh->sector
+								+ rdev->data_offset),
 				  bdn);
 		else if (atomic_read(&rdev->read_errors)
 			 > conf->max_nr_stripes)
-- 
1.7.1

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