diff options
-rw-r--r-- | sys/sys/buf.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/sys/buf.h b/sys/sys/buf.h index dbac38b..efeaec1 100644 --- a/sys/sys/buf.h +++ b/sys/sys/buf.h @@ -94,7 +94,9 @@ extern struct buf_ops buf_ops_bio; */ struct buf { /* XXX: b_io must be the first element of struct buf for now /phk */ + /* XXX: if you change this, fix BIOTOBUF macro below */ struct bio b_io; /* "Builtin" I/O request. */ +#define BIOTOBUF(biop) ((struct buf *)(biop)) #define b_bcount b_io.bio_bcount #define b_blkno b_io.bio_blkno #define b_caller1 b_io.bio_caller1 |