btrfs: remove the disk_bytenr in struct btrfs_dio_private

This field is never used, so remove it. Last use was probably in
23ea8e5a0767 ("Btrfs: load checksum data once when submitting a direct
read io").

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h
index 32131a5..14c2821 100644 (file)
--- a/fs/btrfs/btrfs_inode.h
+++ b/fs/btrfs/btrfs_inode.h
@@ -403,7 +403,6 @@ struct btrfs_dio_private {
         * grab the file offset, thus need a dedicated member for file offset.
         */
        u64 file_offset;
-       u64 disk_bytenr;
        /* Used for bio::bi_size */
        u32 bytes;
 

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 9848a5a..ebed9eb 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -8002,7 +8002,6 @@ static struct btrfs_dio_private *btrfs_create_dio_private(struct bio *dio_bio,
        dip->inode = inode;
        dip->file_offset = file_offset;
        dip->bytes = dio_bio->bi_iter.bi_size;
-       dip->disk_bytenr = dio_bio->bi_iter.bi_sector << 9;
        dip->dio_bio = dio_bio;
        refcount_set(&dip->refs, 1);
        return dip;