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-rw-r--r--include/Makefile.in1
-rw-r--r--include/linux/Makefile.in1
-rw-r--r--include/linux/blkdev_compat.h25
-rw-r--r--include/sys/Makefile.in1
-rw-r--r--include/sys/fm/Makefile.in1
-rw-r--r--include/sys/fm/fs/Makefile.in1
-rw-r--r--include/sys/fs/Makefile.in1
7 files changed, 31 insertions, 0 deletions
diff --git a/include/Makefile.in b/include/Makefile.in
index f079cde7c..c9e8a839c 100644
--- a/include/Makefile.in
+++ b/include/Makefile.in
@@ -51,6 +51,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-bio-rw-syncio.m4 \
$(top_srcdir)/config/kernel-blk-end-request.m4 \
$(top_srcdir)/config/kernel-blk-fetch-request.m4 \
+ $(top_srcdir)/config/kernel-blk-queue-flush.m4 \
$(top_srcdir)/config/kernel-blk-requeue-request.m4 \
$(top_srcdir)/config/kernel-blk-rq-bytes.m4 \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
diff --git a/include/linux/Makefile.in b/include/linux/Makefile.in
index a50f24d5d..815d0897a 100644
--- a/include/linux/Makefile.in
+++ b/include/linux/Makefile.in
@@ -51,6 +51,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-bio-rw-syncio.m4 \
$(top_srcdir)/config/kernel-blk-end-request.m4 \
$(top_srcdir)/config/kernel-blk-fetch-request.m4 \
+ $(top_srcdir)/config/kernel-blk-queue-flush.m4 \
$(top_srcdir)/config/kernel-blk-requeue-request.m4 \
$(top_srcdir)/config/kernel-blk-rq-bytes.m4 \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
diff --git a/include/linux/blkdev_compat.h b/include/linux/blkdev_compat.h
index 0a7c985d8..3707fad08 100644
--- a/include/linux/blkdev_compat.h
+++ b/include/linux/blkdev_compat.h
@@ -132,6 +132,23 @@ blk_end_request_x(struct request *req, int error, unsigned int nr_bytes)
# endif /* HAVE_BLK_END_REQUEST_GPL_ONLY */
#endif /* HAVE_BLK_END_REQUEST */
+/*
+ * 2.6.36 API change,
+ * The blk_queue_flush() interface has replaced blk_queue_ordered()
+ * interface. However, while the old interface was available to all the
+ * new one is GPL-only. Thus if the GPL-only version is detected we
+ * implement our own trivial helper compatibility funcion. The hope is
+ * that long term this function will be opened up.
+ */
+#if defined(HAVE_BLK_QUEUE_FLUSH) && defined(HAVE_BLK_QUEUE_FLUSH_GPL_ONLY)
+#define blk_queue_flush __blk_queue_flush
+static inline void
+__blk_queue_flush(struct request_queue *q, unsigned int flags)
+{
+ q->flush_flags = flags & (REQ_FLUSH | REQ_FUA);
+}
+#endif /* HAVE_BLK_QUEUE_FLUSH && HAVE_BLK_QUEUE_FLUSH_GPL_ONLY */
+
#ifndef HAVE_BLK_RQ_POS
static inline sector_t
blk_rq_pos(struct request *req)
@@ -345,11 +362,19 @@ bio_set_flags_failfast(struct block_device *bdev, int *flags)
* allow richer semantics to be expressed to the block layer. It is
* the block layers responsibility to choose the correct way to
* implement these semantics.
+ *
+ * The existence of these flags implies that REQ_FLUSH an REQ_FUA are
+ * defined. Thus we can safely define VDEV_REQ_FLUSH and VDEV_REQ_FUA
+ * compatibility macros.
*/
#ifdef WRITE_FLUSH_FUA
# define VDEV_WRITE_FLUSH_FUA WRITE_FLUSH_FUA
+# define VDEV_REQ_FLUSH REQ_FLUSH
+# define VDEV_REQ_FUA REQ_FUA
#else
# define VDEV_WRITE_FLUSH_FUA WRITE_BARRIER
+# define VDEV_REQ_FLUSH REQ_HARDBARRIER
+# define VDEV_REQ_FUA REQ_HARDBARRIER
#endif
/*
diff --git a/include/sys/Makefile.in b/include/sys/Makefile.in
index 1404894cd..93742b088 100644
--- a/include/sys/Makefile.in
+++ b/include/sys/Makefile.in
@@ -51,6 +51,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-bio-rw-syncio.m4 \
$(top_srcdir)/config/kernel-blk-end-request.m4 \
$(top_srcdir)/config/kernel-blk-fetch-request.m4 \
+ $(top_srcdir)/config/kernel-blk-queue-flush.m4 \
$(top_srcdir)/config/kernel-blk-requeue-request.m4 \
$(top_srcdir)/config/kernel-blk-rq-bytes.m4 \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
diff --git a/include/sys/fm/Makefile.in b/include/sys/fm/Makefile.in
index 889bab15b..f3bfcd303 100644
--- a/include/sys/fm/Makefile.in
+++ b/include/sys/fm/Makefile.in
@@ -51,6 +51,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-bio-rw-syncio.m4 \
$(top_srcdir)/config/kernel-blk-end-request.m4 \
$(top_srcdir)/config/kernel-blk-fetch-request.m4 \
+ $(top_srcdir)/config/kernel-blk-queue-flush.m4 \
$(top_srcdir)/config/kernel-blk-requeue-request.m4 \
$(top_srcdir)/config/kernel-blk-rq-bytes.m4 \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
diff --git a/include/sys/fm/fs/Makefile.in b/include/sys/fm/fs/Makefile.in
index 0d7f61917..8e87ecb89 100644
--- a/include/sys/fm/fs/Makefile.in
+++ b/include/sys/fm/fs/Makefile.in
@@ -51,6 +51,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-bio-rw-syncio.m4 \
$(top_srcdir)/config/kernel-blk-end-request.m4 \
$(top_srcdir)/config/kernel-blk-fetch-request.m4 \
+ $(top_srcdir)/config/kernel-blk-queue-flush.m4 \
$(top_srcdir)/config/kernel-blk-requeue-request.m4 \
$(top_srcdir)/config/kernel-blk-rq-bytes.m4 \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
diff --git a/include/sys/fs/Makefile.in b/include/sys/fs/Makefile.in
index cad07acf1..dee6403ab 100644
--- a/include/sys/fs/Makefile.in
+++ b/include/sys/fs/Makefile.in
@@ -51,6 +51,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-bio-rw-syncio.m4 \
$(top_srcdir)/config/kernel-blk-end-request.m4 \
$(top_srcdir)/config/kernel-blk-fetch-request.m4 \
+ $(top_srcdir)/config/kernel-blk-queue-flush.m4 \
$(top_srcdir)/config/kernel-blk-requeue-request.m4 \
$(top_srcdir)/config/kernel-blk-rq-bytes.m4 \
$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 07:46:34 +0000