diff options
author | Dave Jones <davej@redhat.com> | 2006-12-12 18:13:32 -0500 |
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committer | Dave Jones <davej@redhat.com> | 2006-12-12 18:13:32 -0500 |
commit | f0eef25339f92f7cd4aeea23d9ae97987a5a1e82 (patch) | |
tree | 2472e94d39f43a9580a6d2d5d92de0b749023263 /drivers/char/raw.c | |
parent | 0cfea5dd98205f2fa318836da664a7d7df1afbc1 (diff) | |
parent | e1036502e5263851259d147771226161e5ccc85a (diff) |
Merge ../linus
Diffstat (limited to 'drivers/char/raw.c')
-rw-r--r-- | drivers/char/raw.c | 64 |
1 files changed, 21 insertions, 43 deletions
diff --git a/drivers/char/raw.c b/drivers/char/raw.c index 579868af4a5..645e20a06ec 100644 --- a/drivers/char/raw.c +++ b/drivers/char/raw.c @@ -75,7 +75,7 @@ static int raw_open(struct inode *inode, struct file *filp) filp->f_flags |= O_DIRECT; filp->f_mapping = bdev->bd_inode->i_mapping; if (++raw_devices[minor].inuse == 1) - filp->f_dentry->d_inode->i_mapping = + filp->f_path.dentry->d_inode->i_mapping = bdev->bd_inode->i_mapping; filp->private_data = bdev; mutex_unlock(&raw_mutex); @@ -127,9 +127,9 @@ raw_ioctl(struct inode *inode, struct file *filp, static void bind_device(struct raw_config_request *rq) { - class_device_destroy(raw_class, MKDEV(RAW_MAJOR, rq->raw_minor)); - class_device_create(raw_class, NULL, MKDEV(RAW_MAJOR, rq->raw_minor), - NULL, "raw%d", rq->raw_minor); + device_destroy(raw_class, MKDEV(RAW_MAJOR, rq->raw_minor)); + device_create(raw_class, NULL, MKDEV(RAW_MAJOR, rq->raw_minor), + "raw%d", rq->raw_minor); } /* @@ -200,7 +200,7 @@ static int raw_ctl_ioctl(struct inode *inode, struct file *filp, if (rq.block_major == 0 && rq.block_minor == 0) { /* unbind */ rawdev->binding = NULL; - class_device_destroy(raw_class, + device_destroy(raw_class, MKDEV(RAW_MAJOR, rq.raw_minor)); } else { rawdev->binding = bdget(dev); @@ -238,39 +238,14 @@ out: return err; } -static ssize_t raw_file_write(struct file *file, const char __user *buf, - size_t count, loff_t *ppos) -{ - struct iovec local_iov = { - .iov_base = (char __user *)buf, - .iov_len = count - }; - - return generic_file_write_nolock(file, &local_iov, 1, ppos); -} - -static ssize_t raw_file_aio_write(struct kiocb *iocb, const char __user *buf, - size_t count, loff_t pos) -{ - struct iovec local_iov = { - .iov_base = (char __user *)buf, - .iov_len = count - }; - - return generic_file_aio_write_nolock(iocb, &local_iov, 1, &iocb->ki_pos); -} - - static const struct file_operations raw_fops = { - .read = generic_file_read, + .read = do_sync_read, .aio_read = generic_file_aio_read, - .write = raw_file_write, - .aio_write = raw_file_aio_write, + .write = do_sync_write, + .aio_write = generic_file_aio_write_nolock, .open = raw_open, .release= raw_release, .ioctl = raw_ioctl, - .readv = generic_file_readv, - .writev = generic_file_writev, .owner = THIS_MODULE, }; @@ -288,36 +263,39 @@ static struct cdev raw_cdev = { static int __init raw_init(void) { dev_t dev = MKDEV(RAW_MAJOR, 0); + int ret; - if (register_chrdev_region(dev, MAX_RAW_MINORS, "raw")) + ret = register_chrdev_region(dev, MAX_RAW_MINORS, "raw"); + if (ret) goto error; cdev_init(&raw_cdev, &raw_fops); - if (cdev_add(&raw_cdev, dev, MAX_RAW_MINORS)) { + ret = cdev_add(&raw_cdev, dev, MAX_RAW_MINORS); + if (ret) { kobject_put(&raw_cdev.kobj); - unregister_chrdev_region(dev, MAX_RAW_MINORS); - goto error; + goto error_region; } raw_class = class_create(THIS_MODULE, "raw"); if (IS_ERR(raw_class)) { printk(KERN_ERR "Error creating raw class.\n"); cdev_del(&raw_cdev); - unregister_chrdev_region(dev, MAX_RAW_MINORS); - goto error; + ret = PTR_ERR(raw_class); + goto error_region; } - class_device_create(raw_class, NULL, MKDEV(RAW_MAJOR, 0), NULL, "rawctl"); + device_create(raw_class, NULL, MKDEV(RAW_MAJOR, 0), "rawctl"); return 0; +error_region: + unregister_chrdev_region(dev, MAX_RAW_MINORS); error: - printk(KERN_ERR "error register raw device\n"); - return 1; + return ret; } static void __exit raw_exit(void) { - class_device_destroy(raw_class, MKDEV(RAW_MAJOR, 0)); + device_destroy(raw_class, MKDEV(RAW_MAJOR, 0)); class_destroy(raw_class); cdev_del(&raw_cdev); unregister_chrdev_region(MKDEV(RAW_MAJOR, 0), MAX_RAW_MINORS); |