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-rw-r--r--include/linux/fs.h19
1 files changed, 16 insertions, 3 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 26da98f61116..a79f48373e7e 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1997,12 +1997,25 @@ extern void bd_release_from_disk(struct block_device *, struct gendisk *);
1997#define CHRDEV_MAJOR_HASH_SIZE 255 1997#define CHRDEV_MAJOR_HASH_SIZE 255
1998extern int alloc_chrdev_region(dev_t *, unsigned, unsigned, const char *); 1998extern int alloc_chrdev_region(dev_t *, unsigned, unsigned, const char *);
1999extern int register_chrdev_region(dev_t, unsigned, const char *); 1999extern int register_chrdev_region(dev_t, unsigned, const char *);
2000extern int register_chrdev(unsigned int, const char *, 2000extern int __register_chrdev(unsigned int major, unsigned int baseminor,
2001 const struct file_operations *); 2001 unsigned int count, const char *name,
2002extern void unregister_chrdev(unsigned int, const char *); 2002 const struct file_operations *fops);
2003extern void __unregister_chrdev(unsigned int major, unsigned int baseminor,
2004 unsigned int count, const char *name);
2003extern void unregister_chrdev_region(dev_t, unsigned); 2005extern void unregister_chrdev_region(dev_t, unsigned);
2004extern void chrdev_show(struct seq_file *,off_t); 2006extern void chrdev_show(struct seq_file *,off_t);
2005 2007
2008static inline int register_chrdev(unsigned int major, const char *name,
2009 const struct file_operations *fops)
2010{
2011 return __register_chrdev(major, 0, 256, name, fops);
2012}
2013
2014static inline void unregister_chrdev(unsigned int major, const char *name)
2015{
2016 __unregister_chrdev(major, 0, 256, name);
2017}
2018
2006/* fs/block_dev.c */ 2019/* fs/block_dev.c */
2007#define BDEVNAME_SIZE 32 /* Largest string for a blockdev identifier */ 2020#define BDEVNAME_SIZE 32 /* Largest string for a blockdev identifier */
2008#define BDEVT_SIZE 10 /* Largest string for MAJ:MIN for blkdev */ 2021#define BDEVT_SIZE 10 /* Largest string for MAJ:MIN for blkdev */