In scsi_cmnd there's an element called host_scribble. The name and the
comment by it were sufficiently confusing that I didn't realise that this
field is basically for the host's private data. Any objections to something
like this, assuming I also submit a patch that converts all the drivers?
+++ include/scsi/scsi_cmnd.h 2005-04-20 20:16:41.562034944 -0400
@@ -129,13 +129,8 @@
*/
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
- * and hang it here. The host
adapter
- * is also expected to call scsi_free
- * to release this memory. (The
memory
- * obtained by scsi_malloc is
guaranteed
- * to be at an address < 16Mb). */
+ void *host_data; /* Pointer to the host's data structure
+ * associated with this command. */
int result; /* Status code from lower level driver */
(the only remaining references to scsi_malloc are in comments ... I'll
submit a different patch to remove those too)
--
"Next the statesmen will invent cheap lies, putting the blame upon
the nation that is attacked, and every man will be glad of those
conscience-soothing falsities, and will diligently study them, and refuse
to examine any refutations of them; and thus he will by and by convince
himself that the war is just, and will thank God for the better sleep
he enjoys after this process of grotesque self-deception." -- Mark Twain
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