The rw argument has been removed from submit_bio/submit_bio_wait.
Callers are now expected to set bio->bi_rw instead of passing it
in. See https://github.com/torvalds/linux/commit/
4e49ea4a for
complete details.
Signed-off-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Chunwei Chen <david.chen@osnexus.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #4892
Issue #4899
--- /dev/null
+dnl #
+dnl # 4.8 API change
+dnl # The rw argument has been removed from submit_bio/submit_bio_wait.
+dnl # Callers are now expected to set bio->bi_rw instead of passing it in.
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_SUBMIT_BIO], [
+ AC_MSG_CHECKING([whether submit_bio() wants 1 arg])
+ ZFS_LINUX_TRY_COMPILE([
+ #include <linux/bio.h>
+ ],[
+ blk_qc_t blk_qc;
+ struct bio *bio = NULL;
+ blk_qc = submit_bio(bio);
+ ],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_1ARG_SUBMIT_BIO, 1, [submit_bio() wants 1 arg])
+ ],[
+ AC_MSG_RESULT(no)
+ ])
+])
ZFS_AC_KERNEL_CONFIG
ZFS_AC_KERNEL_DECLARE_EVENT_CLASS
ZFS_AC_KERNEL_CURRENT_BIO_TAIL
+ ZFS_AC_KERNEL_SUBMIT_BIO
ZFS_AC_KERNEL_BDEV_BLOCK_DEVICE_OPERATIONS
ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS_RELEASE_VOID
ZFS_AC_KERNEL_TYPE_FMODE_T
return (bio_size);
}
+static inline void
+vdev_submit_bio_impl(int rw, struct bio *bio)
+{
+#ifdef HAVE_1ARG_SUBMIT_BIO
+ bio->bi_rw |= rw;
+ submit_bio(bio);
+#else
+ submit_bio(rw, bio);
+#endif
+}
+
static inline void
vdev_submit_bio(int rw, struct bio *bio)
{
#ifdef HAVE_CURRENT_BIO_TAIL
struct bio **bio_tail = current->bio_tail;
current->bio_tail = NULL;
- submit_bio(rw, bio);
+ vdev_submit_bio_impl(rw, bio);
current->bio_tail = bio_tail;
#else
struct bio_list *bio_list = current->bio_list;
current->bio_list = NULL;
- submit_bio(rw, bio);
+ vdev_submit_bio_impl(rw, bio);
current->bio_list = bio_list;
#endif
}