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scsi: core: Remove struct scsi_pointer from struct scsi_cmnd

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Remove struct scsi_pointer from struct scsi_cmnd since the previous patches
removed all users of that member of struct scsi_cmnd. Additionally, reorder
the members of struct scsi_cmnd such that the statement that the field
below can be modified by the SCSI LLD is again correct.

Link: https://lore.kernel.org/r/20220218195117.25689-50-bvanassche@acm.org
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Bart Van Assche 2022-02-18 11:51:17 -08:00 committed by Martin K. Petersen
parent 31160bd3e5
commit 8264aee803
1 changed files with 7 additions and 7 deletions
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14
include/scsi/scsi_cmnd.h
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@ -123,11 +123,15 @@ struct scsi_cmnd {
* command (auto-sense). Length must be
* SCSI_SENSE_BUFFERSIZE bytes. */
int flags; /* Command flags */
unsigned long state; /* Command completion state */
unsigned int extra_len; /* length of alignment and padding */
/*
* The following fields can be written to by the host specific code.
* Everything else should be left alone.
* The fields below can be modified by the LLD but the fields above
* must not be modified.
*/
struct scsi_pointer SCp; /* Scratchpad used by some host adapters */
unsigned char *host_scribble; /* The host adapter is allowed to
* call scsi_malloc and get some memory
@ -138,10 +142,6 @@ struct scsi_cmnd {
* to be at an address < 16Mb). */
int result; /* Status code from lower level driver */
int flags; /* Command flags */
unsigned long state; /* Command completion state */
unsigned int extra_len; /* length of alignment and padding */
};
/* Variant of blk_mq_rq_from_pdu() that verifies the type of its argument. */