[PATCH] constify inode accessors (48ed214d) · Commits · 戴 / test

Change the signature of i_size_read(), IMINOR() and IMAJOR() because they, or the functions they call, will never modify the argument. Signed-off-by:

include/linux/fs.h

+3 −3

Original line number	Diff line number	Diff line
		@@ -636,7 +636,7 @@ extern void inode_double_unlock(struct inode inode1, struct inode inode2);
		* cmpxchg8b without the need of the lock prefix). For SMP compiles
		* and 64bit archs it makes no difference if preempt is enabled or not.
		*/
		static inline loff_t i_size_read(struct inode *inode)
		static inline loff_t i_size_read(const struct inode *inode)
		{
		#if BITS_PER_LONG==32 && defined(CONFIG_SMP)
		loff_t i_size;
		@@ -679,12 +679,12 @@ static inline void i_size_write(struct inode *inode, loff_t i_size)
		#endif
		}

		static inline unsigned iminor(struct inode *inode)
		static inline unsigned iminor(const struct inode *inode)
		{
		return MINOR(inode->i_rdev);
		}

		static inline unsigned imajor(struct inode *inode)
		static inline unsigned imajor(const struct inode *inode)
		{
		return MAJOR(inode->i_rdev);
		}