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block: remove __bdevname

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There is no good reason for __bdevname to exist.  Just open code
printing the string in the callers.  For three of them the format
string can be trivially merged into existing printk statements,
and in init/do_mounts.c we can at least do the scnprintf once at
the start of the function, and unconditional of CONFIG_BLOCK to
make the output for tiny configfs a little more helpful.

Acked-by: Theodore Ts'o <tytso@mit.edu> # for ext4
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig
2020-03-24 08:25:11 +01:00
committed by Jens Axboe
parent d2332c5c04
commit ea3edd4dc2
6 changed files with 9 additions and 33 deletions
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1
include/linux/fs.h
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@@ -2699,7 +2699,6 @@ static inline void unregister_chrdev(unsigned int major, const char *name)
#ifdef CONFIG_BLOCK
#define BLKDEV_MAJOR_MAX 512
extern const char *__bdevname(dev_t, char *buffer);
extern const char *bdevname(struct block_device *bdev, char *buffer);
extern struct block_device *lookup_bdev(const char *);
extern void blkdev_show(struct seq_file *,off_t);