#include <linux/scatterlist.h>
struct request;
-struct scatterlist;
struct Scsi_Host;
struct scsi_device;
struct list_head list; /* scsi_cmnd participates in queue lists */
struct list_head eh_entry; /* entry for the host eh_cmd_q */
int eh_eflags; /* Used by error handlr */
- void (*done) (struct scsi_cmnd *); /* Mid-level done function */
/*
* A SCSI Command is assigned a nonzero serial_number before passed
void *request_buffer; /* Actual requested buffer */
/* These elements define the operation we ultimately want to perform */
+ struct sg_table sg_table;
unsigned short use_sg; /* Number of pieces of scatter-gather */
- unsigned short __use_sg;
unsigned underflow; /* Return error if less than
this amount is transferred */
working on */
#define SCSI_SENSE_BUFFERSIZE 96
- unsigned char sense_buffer[SCSI_SENSE_BUFFERSIZE];
+ unsigned char *sense_buffer;
/* obtained by REQUEST SENSE when
* CHECK CONDITION is received on original
* command (auto-sense) */
extern void scsi_put_command(struct scsi_cmnd *);
extern void __scsi_put_command(struct Scsi_Host *, struct scsi_cmnd *,
struct device *);
-extern void scsi_io_completion(struct scsi_cmnd *, unsigned int);
extern void scsi_finish_command(struct scsi_cmnd *cmd);
extern void scsi_req_abort_cmd(struct scsi_cmnd *cmd);
size_t *offset, size_t *len);
extern void scsi_kunmap_atomic_sg(void *virt);
-extern struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *, gfp_t);
+extern int scsi_alloc_sgtable(struct scsi_cmnd *, gfp_t);
extern void scsi_free_sgtable(struct scsi_cmnd *);
extern int scsi_dma_map(struct scsi_cmnd *cmd);
extern void scsi_dma_unmap(struct scsi_cmnd *cmd);
#define scsi_sg_count(cmd) ((cmd)->use_sg)
-#define scsi_sglist(cmd) ((struct scatterlist *)(cmd)->request_buffer)
+#define scsi_sglist(cmd) ((cmd)->sg_table.sgl)
#define scsi_bufflen(cmd) ((cmd)->request_bufflen)
static inline void scsi_set_resid(struct scsi_cmnd *cmd, int resid)