diff options
| author | Tejun Heo <tj@kernel.org> | 2009-08-06 18:13:23 +0900 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-08-10 13:59:12 +0200 |
| commit | 1905b1bfc0de6f69a61dc03cac0d86a04b3216bd (patch) | |
| tree | 2accb0cdfa03c279ac610438500d614fb10419eb /include/linux/fs.h | |
| parent | ed680c4ad478d0fee9740f7d029087f181346564 (diff) | |
chrdev: implement __[un]register_chrdev()
[un]register_chrdev() assume minor range 0-255. This patch adds __
prefixed versions which take @minorbase and @count explicitly.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/linux/fs.h')
| -rw-r--r-- | include/linux/fs.h | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index a36ffa5a77a..6c36ab78885 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1998,12 +1998,25 @@ extern void bd_release_from_disk(struct block_device *, struct gendisk *); #define CHRDEV_MAJOR_HASH_SIZE 255 extern int alloc_chrdev_region(dev_t *, unsigned, unsigned, const char *); extern int register_chrdev_region(dev_t, unsigned, const char *); -extern int register_chrdev(unsigned int, const char *, - const struct file_operations *); -extern void unregister_chrdev(unsigned int, const char *); +extern int __register_chrdev(unsigned int major, unsigned int baseminor, + unsigned int count, const char *name, + const struct file_operations *fops); +extern void __unregister_chrdev(unsigned int major, unsigned int baseminor, + unsigned int count, const char *name); extern void unregister_chrdev_region(dev_t, unsigned); extern void chrdev_show(struct seq_file *,off_t); +static inline int register_chrdev(unsigned int major, const char *name, + const struct file_operations *fops) +{ + return __register_chrdev(major, 0, 256, name, fops); +} + +static inline void unregister_chrdev(unsigned int major, const char *name) +{ + __unregister_chrdev(major, 0, 256, name); +} + /* fs/block_dev.c */ #define BDEVNAME_SIZE 32 /* Largest string for a blockdev identifier */ #define BDEVT_SIZE 10 /* Largest string for MAJ:MIN for blkdev */ |