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authorJames Bottomley <James.Bottomley@suse.de>2010-04-01 10:30:01 -0400
committerJames Bottomley <James.Bottomley@suse.de>2010-04-11 14:36:26 -0400
commit3233ac19811fe17033b537832ca7b59df8bf4aa9 (patch)
tree33c316cf6821d8c3a98624266324d318d50c47fb /drivers/scsi/sd.h
parent1469585309bb52869cbaa449c6d2cd1ce9869cca (diff)
[SCSI] sd: retry read_capacity on UNIT_ATTENTION
Hazard testing uncovered yet another bug in sd. Under heavy reset activity the retry counter might be exhausted and the command will be returned with sense UNIT_ATTENTION/0x29/00 (POWER ON, RESET, OR BUS DEVICE RESET OCCURRED). In those cases we should just increase the retry counter again, retrying one more to clear up this Unit Attention state. [jejb: update to work with RC16 devices and not to loop endlessly] Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/sd.h')
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