[SCSI] remove scsi_request infrastructure

With Achim patch the last user (gdth) is switched away from scsi_request
so we an kill it now.  Also disables some code in i2o_scsi that was
broken since the sg driver stopped using scsi_requests.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 0 insertions, 54 deletions

diff --git a/include/scsi/scsi_request.h b/include/scsi/scsi_request.h
deleted file mode 100644
index 98d69fdb851c..000000000000
--- a/include/scsi/scsi_request.h
+++ /dev/null
@@ -1,54 +0,0 @@
-#ifndef _SCSI_SCSI_REQUEST_H
-#define _SCSI_SCSI_REQUEST_H
-
-#include <scsi/scsi_cmnd.h>
-
-struct request;
-struct scsi_cmnd;
-struct scsi_device;
-struct Scsi_Host;
-
-
-/*
- * This is essentially a slimmed down version of Scsi_Cmnd.  The point of
- * having this is that requests that are injected into the queue as result
- * of things like ioctls and character devices shouldn't be using a
- * Scsi_Cmnd until such a time that the command is actually at the head
- * of the queue and being sent to the driver.
- */
-struct scsi_request {
-        int     sr_magic;
-        int     sr_result;      /* Status code from lower level driver */
-        unsigned char sr_sense_buffer[SCSI_SENSE_BUFFERSIZE];           /* obtained by REQUEST SENSE
-                                                 * when CHECK CONDITION is
-                                                 * received on original command 
-                                                 * (auto-sense) */
-
-        struct Scsi_Host *sr_host;
-        struct scsi_device *sr_device;
-        struct scsi_cmnd *sr_command;
-        struct request *sr_request;     /* A copy of the command we are
-                                   working on */
-        unsigned sr_bufflen;    /* Size of data buffer */
-        void *sr_buffer;                /* Data buffer */
-        int sr_allowed;
-        enum dma_data_direction sr_data_direction;
-        unsigned char sr_cmd_len;
-        unsigned char sr_cmnd[MAX_COMMAND_SIZE];
-        void (*sr_done) (struct scsi_cmnd *);   /* Mid-level done function */
-        int sr_timeout_per_command;
-        unsigned short sr_use_sg;       /* Number of pieces of scatter-gather */
-        unsigned short sr_sglist_len;   /* size of malloc'd scatter-gather list */
-        unsigned sr_underflow;  /* Return error if less than
-                                   this amount is transferred */
-        void *upper_private_data;       /* reserved for owner (usually upper
-                                           level driver) of this request */
-};
-
-extern struct scsi_request *scsi_allocate_request(struct scsi_device *, gfp_t);
-extern void scsi_release_request(struct scsi_request *);
-extern void scsi_do_req(struct scsi_request *, const void *cmnd,
-                        void *buffer, unsigned bufflen,
-                        void (*done) (struct scsi_cmnd *),
-                        int timeout, int retries);
-#endif /* _SCSI_SCSI_REQUEST_H */