Messages in this thread Patch in this message | | | Date | Thu, 5 Sep 2002 20:13:50 +0200 | From | Petr Vandrovec <> | Subject | [PATCH] IDE cleanup (1.612) broke all fdisks I have... |
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Hi Al, it is nice that blkdev_ioctl calls blk_ioctl itself, but unfortunately it does that only if driver's ioctl returns -EINVAL - and IDE returns -EIO :-(
Patch below is tested for disks - I do not have IDE floppy nor IDE tape.
I have couple of additional questions: (1) should not we use -ENOTTY for unimplemented ioctl, like other subsystems do? (2) IDE returns -EIO also for default_open. -ENXIO/-ENODEV? (3) if drive->driver == NULL, ioctl returns -EPERM. I believe that this check is not needed because of ide_open checks for drive->driver != NULL. And if we can invoke ide's ioctl without previous open, should not we return -ENODEV? Thanks, Petr Vandrovec vandrove@vc.cvut.cz
diff -urN linux-2.5.33-c615.dist/drivers/ide/ide-floppy.c linux-2.5.33-c615/drivers/ide/ide-floppy.c --- linux-2.5.33-c615.dist/drivers/ide/ide-floppy.c 2002-09-05 14:40:47.000000000 +0200 +++ linux-2.5.33-c615/drivers/ide/ide-floppy.c 2002-09-05 20:06:24.000000000 +0200 @@ -1817,7 +1817,7 @@ return (idefloppy_get_format_progress(drive, inode, file, (int *)arg)); } - return -EIO; + return -EINVAL; } /* diff -urN linux-2.5.33-c615.dist/drivers/ide/ide-tape.c linux-2.5.33-c615/drivers/ide/ide-tape.c --- linux-2.5.33-c615.dist/drivers/ide/ide-tape.c 2002-09-05 14:40:43.000000000 +0200 +++ linux-2.5.33-c615/drivers/ide/ide-tape.c 2002-09-05 20:06:11.000000000 +0200 @@ -4365,7 +4365,7 @@ return -EFAULT; break; default: - return -EIO; + return -EINVAL; } return 0; } diff -urN linux-2.5.33-c615.dist/drivers/ide/ide.c linux-2.5.33-c615/drivers/ide/ide.c --- linux-2.5.33-c615.dist/drivers/ide/ide.c 2002-09-05 14:40:42.000000000 +0200 +++ linux-2.5.33-c615/drivers/ide/ide.c 2002-09-05 19:58:15.000000000 +0200 @@ -3347,7 +3347,7 @@ static int default_ioctl (ide_drive_t *drive, struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { - return -EIO; + return -EINVAL; } static int default_open (struct inode *inode, struct file *filp, ide_drive_t *drive) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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