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[SCSI] zfcp: Introduce experimental support for DIF/DIX

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Introduce support for DIF/DIX in zfcp: Report the capabilities for the
Scsi_host, map the protection data when issuing I/O requests and
handle the new error codes. Also add the fsf data_direction field to
the hba trace, it is useful information for debugging in that area.
This is an EXPERIMENTAL feature for now.

Signed-off-by: Felix Beck <felix.beck@de.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Felix Beck 2010-07-16 15:37:42 +02:00 • committed by James Bottomley
commit ef3eb71d8b
10 changed files with 189 additions and 30 deletions
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