another IDE cleanup: kill duplicated code

Pavel Machek
2002-02-12T09:09:17Z

Hi!

This is slightly longer but also simple cleanup. It kills code
duplication and removes unneccessary assignments/casts. Please apply,

Pavel

--- clean-pre3/drivers/ide/ide-disk.c Sat Feb 9 23:00:02 2002
+++ linux-dm-pre3/drivers/ide/ide-disk.c Sun Feb 10 00:06:31 2002
@@ -172,6 +167,16 @@
return WIN_NOP;
}

+static void fill_args (ide_task_t *args, struct hd_drive_task_hdr *taskfile, struct hd_drive_hob_hdr *hobfile)
+{
+ memcpy(args->tfRegister, taskfile, sizeof(struct hd_drive_task_hdr));
+ memcpy(args->hobRegister, hobfile, sizeof(struct hd_drive_hob_hdr));
+ args->command_type = ide_cmd_type_parser(args);
+ args->prehandler = ide_pre_handler_parser(taskfile, hobfile);
+ args->handler = ide_handler_parser(taskfile, hobfile);
+ args->posthandler = NULL;
+}
+
static ide_startstop_t chs_rw_disk (ide_drive_t *drive, struct request *rq, unsigned long block)
{
struct hd_drive_task_hdr taskfile;
@@ -210,16 +215,10 @@
printk("buffer=0x%08lx\n", (unsigned long) rq->buffer);
#endif

- memcpy(args.tfRegister, &taskfile, sizeof(struct hd_drive_task_hdr));
- memcpy(args.hobRegister, &hobfile, sizeof(struct hd_drive_hob_hdr));
- args.command_type = ide_cmd_type_parser(&args);
- args.prehandler = ide_pre_handler_parser(&taskfile, &hobfile);
- args.handler = ide_handler_parser(&taskfile, &hobfile);
- args.posthandler = NULL;
- args.rq = (struct request *) rq;
+ fill_args(&args, &taskfile, &hobfile);
+ args.rq = rq;
args.block = block;
- rq->special = NULL;
- rq->special = (ide_task_t *)&args;
+ rq->special = &args;

return do_rw_taskfile(drive, &args);
}
@@ -257,16 +255,10 @@
printk("buffer=0x%08lx\n", (unsigned long) rq->buffer);
#endif

- memcpy(args.tfRegister, &taskfile, sizeof(struct hd_drive_task_hdr));
- memcpy(args.hobRegister, &hobfile, sizeof(struct hd_drive_hob_hdr));
- args.command_type = ide_cmd_type_parser(&args);
- args.prehandler = ide_pre_handler_parser(&taskfile, &hobfile);
- args.handler = ide_handler_parser(&taskfile, &hobfile);
- args.posthandler = NULL;
- args.rq = (struct request *) rq;
+ fill_args(&args, &taskfile, &hobfile);
+ args.rq = rq;
args.block = block;
- rq->special = NULL;
- rq->special = (ide_task_t *)&args;
+ rq->special = &args;

return do_rw_taskfile(drive, &args);
}
@@ -321,16 +313,10 @@
printk("buffer=0x%08lx\n", (unsigned long) rq->buffer);
#endif

- memcpy(args.tfRegister, &taskfile, sizeof(struct hd_drive_task_hdr));
- memcpy(args.hobRegister, &hobfile, sizeof(struct hd_drive_hob_hdr));
- args.command_type = ide_cmd_type_parser(&args);
- args.prehandler = ide_pre_handler_parser(&taskfile, &hobfile);
- args.handler = ide_handler_parser(&taskfile, &hobfile);
- args.posthandler = NULL;
- args.rq = (struct request *) rq;
+ fill_args(&args, &taskfile, &hobfile);
+ args.rq = rq;
args.block = block;
- rq->special = NULL;
- rq->special = (ide_task_t *)&args;
+ rq->special = &args;

return do_rw_taskfile(drive, &args);
}

--
(about SSSCA) "I don't say this lightly. However, I really think that the U.S.
no longer is classifiable as a democracy, but rather as a plutocracy." --hpa