Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756302Ab1F1Gr1 (ORCPT ); Tue, 28 Jun 2011 02:47:27 -0400 Received: from cantor2.suse.de ([195.135.220.15]:54515 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755725Ab1F1Gpw (ORCPT ); Tue, 28 Jun 2011 02:45:52 -0400 Date: Tue, 28 Jun 2011 16:45:40 +1000 From: NeilBrown To: Christian Dietrich Cc: linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org, trivial@kernel.org Subject: Re: [PATCH 4/8] md/raid: use printk_ratelimited instead of printk_ratelimit Message-ID: <20110628164540.4b22deae@notabene.brown> In-Reply-To: <2c759de6a8afa764cfaa32e2ea99b0f0099140d7.1307199715.git.christian.dietrich@informatik.uni-erlangen.de> References: <2c759de6a8afa764cfaa32e2ea99b0f0099140d7.1307199715.git.christian.dietrich@informatik.uni-erlangen.de> X-Mailer: Claws Mail 3.7.9 (GTK+ 2.22.1; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 7249 Lines: 193 On Sat, 4 Jun 2011 17:36:21 +0200 Christian Dietrich wrote: > As per printk_ratelimit comment, it should not be used > > Signed-off-by: Christian Dietrich > --- > drivers/md/raid1.c | 22 ++++++++++++---------- > drivers/md/raid10.c | 22 ++++++++++++---------- > drivers/md/raid5.c | 39 +++++++++++++++++++-------------------- > 3 files changed, 43 insertions(+), 40 deletions(-) Thanks. I've applied this one to my 'md' tree. NeilBrown > > 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 > #include > #include > +#include > #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 > #include > #include > +#include > #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 > #include > #include > +#include > #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) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/