From: NeilBrown <neilb@suse.de>
To: Christian Dietrich <christian.dietrich@informatik.uni-erlangen.de>
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
Date: Tue, 28 Jun 2011 16:45:40 +1000 [thread overview]
Message-ID: <20110628164540.4b22deae@notabene.brown> (raw)
In-Reply-To: <2c759de6a8afa764cfaa32e2ea99b0f0099140d7.1307199715.git.christian.dietrich@informatik.uni-erlangen.de>
On Sat, 4 Jun 2011 17:36:21 +0200 Christian Dietrich
<christian.dietrich@informatik.uni-erlangen.de> wrote:
> As per printk_ratelimit comment, it should not be used
>
> Signed-off-by: Christian Dietrich <christian.dietrich@informatik.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(-)
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 <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)
next prev parent reply other threads:[~2011-06-28 6:45 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-04 15:35 [PATCH 0/8] Use printk_ratelimited instead of printk_ratelimit Christian Dietrich
2011-06-04 15:35 ` [PATCH 1/8] powerpc/rtas-rtc: remove sideeffects " Christian Dietrich
2011-06-04 15:35 ` [PATCH 2/8] drivers/octeon: use printk_ratelimited instead " Christian Dietrich
2011-06-04 15:36 ` [PATCH 3/8] scsi/sg: " Christian Dietrich
2011-06-04 15:36 ` [PATCH 4/8] md/raid: " Christian Dietrich
2011-06-28 6:45 ` NeilBrown [this message]
2011-06-04 15:36 ` [PATCH 5/8] drivers/char/rtc: " Christian Dietrich
2011-06-04 15:36 ` [PATCH 6/8] drivers/gpu/drm: " Christian Dietrich
2011-06-04 15:36 ` [PATCH 7/8] arch/powerpc: " Christian Dietrich
2011-06-04 15:37 ` [PATCH 8/8] arch/x86: " Christian Dietrich
2011-06-06 6:35 ` Rusty Russell
2011-06-06 8:11 ` richard -rw- weinberger
2011-06-07 3:11 ` Rusty Russell
2011-06-07 3:11 ` Rusty Russell
2011-06-07 3:37 ` Joe Perches
2011-06-06 6:35 ` Rusty Russell
2011-06-04 15:37 ` Christian Dietrich
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20110628164540.4b22deae@notabene.brown \
--to=neilb@suse.de \
--cc=christian.dietrich@informatik.uni-erlangen.de \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-raid@vger.kernel.org \
--cc=trivial@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.