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scsi_eh_prep_cmnd
Langue: en
Version: June 2009 (debian - 07/07/09)
Section: 9 (Appels noyau Linux)
NAME
scsi_eh_prep_cmnd - Save a scsi command info as part of error recorySYNOPSIS
- void scsi_eh_prep_cmnd(struct scsi_cmnd * scmd, struct scsi_eh_save * ses, unsigned char * cmnd, int cmnd_size, unsigned sense_bytes);
ARGUMENTS
scmd
- SCSI command structure to hijack
ses
- structure to save restore information
cmnd
- CDB to send. Can be NULL if no new cmnd is needed
cmnd_size
- size in bytes of cmnd (must be <= BLK_MAX_CDB)
sense_bytes
- size of sense data to copy. or 0 (if != 0 cmnd is ignored)
DESCRIPTION
This function is used to save a scsi command information before re-execution as part of the error recovery process. If sense_bytes is 0 the command sent must be one that does not transfer any data. If sense_bytes != 0 cmnd is ignored and this functions sets up a REQUEST_SENSE command and cmnd buffers to read sense_bytes into scmd->sense_buffer.
AUTHORS
James Bottomley <James.Bottomley@hansenpartnership.com>
- Author.
Rob Landley <rob@landley.net>
- Author.
COPYRIGHT
Contenus ©2006-2024 Benjamin Poulain
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