[PATCH] convert /proc/devices to use seq_file interface

A Christoph suggested that the /proc/devices file be converted to use the
seq_file interface.  This patch does that.

I've obxerved one or two installation that had sufficiently large sans that
they overran the 4k limit on /proc/devices.

Signed-off-by: Neil Horman <nhorman@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index d1e370d25f7b..552cedfa6064 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1383,6 +1383,12 @@ extern int register_chrdev(unsigned int, const char *,
 extern int unregister_chrdev(unsigned int, const char *);
 extern void unregister_chrdev_region(dev_t, unsigned);
 extern int chrdev_open(struct inode *, struct file *);
+extern int get_chrdev_list(char *);
+extern void *acquire_chrdev_list(void);
+extern int count_chrdev_list(void);
+extern void *get_next_chrdev(void *);
+extern int get_chrdev_info(void *, int *, char **);
+extern void release_chrdev_list(void *);
 
 /* fs/block_dev.c */
 #define BDEVNAME_SIZE   32      /* Largest string for a blockdev identifier */
@@ -1391,6 +1397,11 @@ extern const char *bdevname(struct block_device *bdev, char *buffer);
 extern struct block_device *lookup_bdev(const char *);
 extern struct block_device *open_bdev_excl(const char *, int, void *);
 extern void close_bdev_excl(struct block_device *);
+extern void *acquire_blkdev_list(void);
+extern int count_blkdev_list(void);
+extern void *get_next_blkdev(void *);
+extern int get_blkdev_info(void *, int *, char **);
+extern void release_blkdev_list(void *);
 
 extern void init_special_inode(struct inode *, umode_t, dev_t);