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From Documentation/scsi/scsi_mid_low_api.txt: "resid - an LLD should set this signed integer to the requested transfer length (i.e. 'request_bufflen') less the number of bytes that are actually transferred." This means that resid > 0 in case of an underrun and also that resid < 0 in case of an overrun. Modify the SRP initiator code such that it matches this requirement. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Reviewed-by: David Dillow <dave@thedillows.org> Signed-off-by: Roland Dreier <roland@purestorage.com> |
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