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Diffstat (limited to 'fs/btrfs/inode.c')
-rw-r--r--fs/btrfs/inode.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 1ccb3f8d528d..27076ebadb36 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -7783,6 +7783,7 @@ static inline blk_status_t btrfs_lookup_and_bind_dio_csum(struct inode *inode,
{
struct btrfs_io_bio *io_bio = btrfs_io_bio(bio);
struct btrfs_io_bio *orig_io_bio = btrfs_io_bio(dip->orig_bio);
+ u16 csum_size;
blk_status_t ret;
/*
@@ -7802,7 +7803,8 @@ static inline blk_status_t btrfs_lookup_and_bind_dio_csum(struct inode *inode,
file_offset -= dip->logical_offset;
file_offset >>= inode->i_sb->s_blocksize_bits;
- io_bio->csum = (u8 *)(((u32 *)orig_io_bio->csum) + file_offset);
+ csum_size = btrfs_super_csum_size(btrfs_sb(inode->i_sb)->super_copy);
+ io_bio->csum = orig_io_bio->csum + csum_size * file_offset;
return 0;
}