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[SCSI] sd: Make revalidate less chatty

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sd_revalidate ends up being called several times during device setup.
With this patch we print everything during the first scan.  Subsequent
invocations will only print a message if the parameter in question has
actually changed (LUN capacity has increased, etc.).

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Martin K. Petersen
2009-03-09 11:33:31 -04:00
committed by James Bottomley
parent 2b301307f6
commit 70a9b87346
2 changed files with 38 additions and 24 deletions
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drivers/scsi/sd.h
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@@ -53,6 +53,7 @@ struct scsi_disk {
unsigned WCE : 1; /* state of disk WCE bit */
unsigned RCD : 1; /* state of disk RCD bit, unused */
unsigned DPOFUA : 1; /* state of disk DPOFUA bit */
unsigned first_scan : 1;
};
#define to_scsi_disk(obj) container_of(obj,struct scsi_disk,dev)