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[SCSI] SPI transport class: misc DV fixes

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Key more of the domain validation settings off the inquiry data from
the disk (in particular, don't try IU or DT unless the disk claims to
support them.

Also add a new dv_in_progress flag to prevent recursive DV.

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
James Bottomley 2006-09-20 12:00:18 -04:00 • committed by James Bottomley
parent a07f353701
commit dfdc58ba35
2 changed files with 25 additions and 8 deletions
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3
include/scsi/scsi_transport_spi.h
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@ -53,7 +53,8 @@ struct spi_transport_attrs {
unsigned int support_ius; /* support Information Units */
unsigned int support_qas; /* supports quick arbitration and selection */
/* Private Fields */
unsigned int dv_pending:1; /* Internal flag */
unsigned int dv_pending:1; /* Internal flag: DV Requested */
unsigned int dv_in_progress:1; /* Internal: DV started */
struct mutex dv_mutex; /* semaphore to serialise dv */
};