Commit 6d49cc85 authored Aug 10, 2021 by Christoph Hellwig Committed by Darrick J. Wong Aug 16, 2021

fs: mark the iomap argument to __block_write_begin_int const



__block_write_begin_int never modifies the passed in iomap, so mark it
const.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>

parent e3c4ffb0

fs/buffer.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -1912,7 +1912,7 @@ EXPORT_SYMBOL(page_zero_new_buffers);

		static void
		iomap_to_bh(struct inode inode, sector_t block, struct buffer_head bh,
		struct iomap *iomap)
		const struct iomap *iomap)
		{
		loff_t offset = block << inode->i_blkbits;

		@@ -1966,7 +1966,7 @@ iomap_to_bh(struct inode inode, sector_t block, struct buffer_head bh,
		}

		int __block_write_begin_int(struct page *page, loff_t pos, unsigned len,
		get_block_t get_block, struct iomap iomap)
		get_block_t get_block, const struct iomap iomap)
		{
		unsigned from = pos & (PAGE_SIZE - 1);
		unsigned to = from + len;

fs/internal.h

+2 −2

Original line number	Diff line number	Diff line
		@@ -48,8 +48,8 @@ static inline int emergency_thaw_bdev(struct super_block *sb)
		/*
		* buffer.c
		*/
		extern int __block_write_begin_int(struct page *page, loff_t pos, unsigned len,
		get_block_t get_block, struct iomap iomap);
		int __block_write_begin_int(struct page *page, loff_t pos, unsigned len,
		get_block_t get_block, const struct iomap iomap);

		/*
		* char_dev.c