1 files changed, 4 insertions, 9 deletions

diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 53e170586c26..65ab5145a09b 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -33,20 +33,17 @@ struct scsi_cmnd {
         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
          * to the driver's queue command function.  The serial_number is
          * cleared when scsi_done is entered indicating that the command
-         * has been completed.  It currently doesn't have much use other
-         * than printk's.  Some lldd's use this number for other purposes.
-         * It's almost certain that such usages are either incorrect or
-         * meaningless.  Please kill all usages other than printk's.  Also,
-         * as this number is always identical to ->pid, please convert
-         * printk's to use ->pid, so that we can kill this field.
+         * has been completed.  It is a bug for LLDDs to use this number
+         * for purposes other than printk (and even that is only useful
+         * for debugging).
          */
         unsigned long serial_number;
+
         /*
          * This is set to jiffies as it was when the command was first
          * allocated.  It is used to time how long the command has
@@ -116,7 +113,6 @@ struct scsi_cmnd {
         int result;             /* Status code from lower level driver */
 
         unsigned char tag;      /* SCSI-II queued command tag */
-        unsigned long pid;      /* Process ID, starts at 0. Unique per host. */
 };
 
 extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t);
@@ -124,7 +120,6 @@ extern struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *, gfp_t);
 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);