fsdax: mark the iomap argument to dax_iomap_sector as 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>

diff --git a/fs/dax.c b/fs/dax.c
index da41f93..4d63040 100644 (file)
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -1005,7 +1005,7 @@ int dax_writeback_mapping_range(struct address_space *mapping,
 }
 EXPORT_SYMBOL_GPL(dax_writeback_mapping_range);
 
-static sector_t dax_iomap_sector(struct iomap *iomap, loff_t pos)
+static sector_t dax_iomap_sector(const struct iomap *iomap, loff_t pos)
 {
        return (iomap->addr + (pos & PAGE_MASK) - iomap->offset) >> 9;
 }