Re: [PATCH 19/73] libata: drop DPRINTK() calls during ATA error handling

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On 2021/12/09 1:32, Hannes Reinecke wrote:
> The information is now logged with tracepoints, so the DPRINTK()
> calls can be dropped.
> 
> Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
> Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>

squash this one in the previous patch ?

> ---
>  drivers/ata/libata-eh.c   | 12 ------------
>  drivers/ata/libata-pmp.c  |  8 --------
>  drivers/ata/libata-sata.c |  3 ---
>  3 files changed, 23 deletions(-)
> 
> diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
> index 2a25be588e14..a0fd38260f48 100644
> --- a/drivers/ata/libata-eh.c
> +++ b/drivers/ata/libata-eh.c
> @@ -533,8 +533,6 @@ void ata_scsi_error(struct Scsi_Host *host)
>  	unsigned long flags;
>  	LIST_HEAD(eh_work_q);
>  
> -	DPRINTK("ENTER\n");
> -
>  	spin_lock_irqsave(host->host_lock, flags);
>  	list_splice_init(&host->eh_cmd_q, &eh_work_q);
>  	spin_unlock_irqrestore(host->host_lock, flags);
> @@ -548,7 +546,6 @@ void ata_scsi_error(struct Scsi_Host *host)
>  	/* finish or retry handled scmd's and clean up */
>  	WARN_ON(!list_empty(&eh_work_q));
>  
> -	DPRINTK("EXIT\n");
>  }
>  
>  /**
> @@ -1932,8 +1929,6 @@ static void ata_eh_link_autopsy(struct ata_link *link)
>  	u32 serror;
>  	int rc;
>  
> -	DPRINTK("ENTER\n");
> -
>  	if (ehc->i.flags & ATA_EHI_NO_AUTOPSY)
>  		return;
>  
> @@ -2040,7 +2035,6 @@ static void ata_eh_link_autopsy(struct ata_link *link)
>  		ehc->i.action |= ata_eh_speed_down(dev, eflags, all_err_mask);
>  		trace_ata_eh_link_autopsy(dev, ehc->i.action, all_err_mask);
>  	}
> -	DPRINTK("EXIT\n");
>  }
>  
>  /**
> @@ -2940,8 +2934,6 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link,
>  	unsigned long flags;
>  	int rc = 0;
>  
> -	DPRINTK("ENTER\n");
> -
>  	/* For PATA drive side cable detection to work, IDENTIFY must
>  	 * be done backwards such that PDIAG- is released by the slave
>  	 * device before the master device is identified.
> @@ -3055,7 +3047,6 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link,
>  
>   err:
>  	*r_failed_dev = dev;
> -	DPRINTK("EXIT rc=%d\n", rc);
>  	return rc;
>  }
>  
> @@ -3570,8 +3561,6 @@ int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
>  	int rc, nr_fails;
>  	unsigned long flags, deadline;
>  
> -	DPRINTK("ENTER\n");
> -
>  	/* prep for recovery */
>  	ata_for_each_link(link, ap, EDGE) {
>  		struct ata_eh_context *ehc = &link->eh_context;
> @@ -3779,7 +3768,6 @@ int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
>  	if (rc && r_failed_link)
>  		*r_failed_link = link;
>  
> -	DPRINTK("EXIT, rc=%d\n", rc);
>  	return rc;
>  }
>  
> diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c
> index ba7be3f38617..e2e9cbd405fa 100644
> --- a/drivers/ata/libata-pmp.c
> +++ b/drivers/ata/libata-pmp.c
> @@ -652,8 +652,6 @@ static int sata_pmp_revalidate(struct ata_device *dev, unsigned int new_class)
>  	u32 *gscr = (void *)ap->sector_buf;
>  	int rc;
>  
> -	DPRINTK("ENTER\n");
> -
>  	ata_eh_about_to_do(link, NULL, ATA_EH_REVALIDATE);
>  
>  	if (!ata_dev_enabled(dev)) {
> @@ -686,12 +684,10 @@ static int sata_pmp_revalidate(struct ata_device *dev, unsigned int new_class)
>  
>  	ata_eh_done(link, NULL, ATA_EH_REVALIDATE);
>  
> -	DPRINTK("EXIT, rc=0\n");
>  	return 0;
>  
>   fail:
>  	ata_dev_err(dev, "PMP revalidation failed (errno=%d)\n", rc);
> -	DPRINTK("EXIT, rc=%d\n", rc);
>  	return rc;
>  }
>  
> @@ -759,8 +755,6 @@ static int sata_pmp_eh_recover_pmp(struct ata_port *ap,
>  	int detach = 0, rc = 0;
>  	int reval_failed = 0;
>  
> -	DPRINTK("ENTER\n");
> -
>  	if (dev->flags & ATA_DFLAG_DETACH) {
>  		detach = 1;
>  		rc = -ENODEV;
> @@ -828,7 +822,6 @@ static int sata_pmp_eh_recover_pmp(struct ata_port *ap,
>  	/* okay, PMP resurrected */
>  	ehc->i.flags = 0;
>  
> -	DPRINTK("EXIT, rc=0\n");
>  	return 0;
>  
>   fail:
> @@ -838,7 +831,6 @@ static int sata_pmp_eh_recover_pmp(struct ata_port *ap,
>  	else
>  		ata_dev_disable(dev);
>  
> -	DPRINTK("EXIT, rc=%d\n", rc);
>  	return rc;
>  }
>  
> diff --git a/drivers/ata/libata-sata.c b/drivers/ata/libata-sata.c
> index 4e88597aa9df..7b72c68bc9f7 100644
> --- a/drivers/ata/libata-sata.c
> +++ b/drivers/ata/libata-sata.c
> @@ -533,8 +533,6 @@ int sata_link_hardreset(struct ata_link *link, const unsigned long *timing,
>  	u32 scontrol;
>  	int rc;
>  
> -	DPRINTK("ENTER\n");
> -
>  	if (online)
>  		*online = false;
>  
> @@ -610,7 +608,6 @@ int sata_link_hardreset(struct ata_link *link, const unsigned long *timing,
>  			*online = false;
>  		ata_link_err(link, "COMRESET failed (errno=%d)\n", rc);
>  	}
> -	DPRINTK("EXIT, rc=%d\n", rc);
>  	return rc;
>  }
>  EXPORT_SYMBOL_GPL(sata_link_hardreset);
> 


-- 
Damien Le Moal
Western Digital Research



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