This is in preparation for being exposed as a md or dm device. The
rationale is that userspace tooling already knows how to generically
manipulate these composite block devices, so there is not much
motivation to add new bcache-specific tooling.
As seen with raid there is precedent for md and dm to share a common
personality backend and separate the frontend virtual block device
presentation.
Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
---
drivers/block/Kconfig | 2 --
drivers/block/Makefile | 1 -
drivers/md/Kconfig | 2 ++
drivers/md/Makefile | 1 +
drivers/md/bcache/Kconfig | 0
drivers/md/bcache/Makefile | 0
drivers/md/bcache/alloc.c | 0
drivers/md/bcache/bcache.h | 0
drivers/md/bcache/bset.c | 0
drivers/md/bcache/bset.h | 0
drivers/md/bcache/btree.c | 0
drivers/md/bcache/btree.h | 0
drivers/md/bcache/debug.c | 0
drivers/md/bcache/debug.h | 0
drivers/md/bcache/io.c | 0
drivers/md/bcache/journal.c | 0
drivers/md/bcache/journal.h | 0
drivers/md/bcache/request.c | 0
drivers/md/bcache/request.h | 0
drivers/md/bcache/stats.c | 0
drivers/md/bcache/stats.h | 0
drivers/md/bcache/super.c | 0
drivers/md/bcache/sysfs.c | 0
drivers/md/bcache/sysfs.h | 0
drivers/md/bcache/trace.c | 0
drivers/md/bcache/util.c | 0
drivers/md/bcache/util.h | 0
drivers/md/bcache/writeback.c | 0
28 files changed, 3 insertions(+), 3 deletions(-)
rename drivers/{block/bcache/Kconfig => md/bcache/Kconfig} (100%)
rename drivers/{block/bcache/Makefile => md/bcache/Makefile} (100%)
rename drivers/{block/bcache/alloc.c => md/bcache/alloc.c} (100%)
rename drivers/{block/bcache/bcache.h => md/bcache/bcache.h} (100%)
rename drivers/{block/bcache/bset.c => md/bcache/bset.c} (100%)
rename drivers/{block/bcache/bset.h => md/bcache/bset.h} (100%)
rename drivers/{block/bcache/btree.c => md/bcache/btree.c} (100%)
rename drivers/{block/bcache/btree.h => md/bcache/btree.h} (100%)
rename drivers/{block/bcache/debug.c => md/bcache/debug.c} (100%)
rename drivers/{block/bcache/debug.h => md/bcache/debug.h} (100%)
rename drivers/{block/bcache/io.c => md/bcache/io.c} (100%)
rename drivers/{block/bcache/journal.c => md/bcache/journal.c} (100%)
rename drivers/{block/bcache/journal.h => md/bcache/journal.h} (100%)
rename drivers/{block/bcache/request.c => md/bcache/request.c} (100%)
rename drivers/{block/bcache/request.h => md/bcache/request.h} (100%)
rename drivers/{block/bcache/stats.c => md/bcache/stats.c} (100%)
rename drivers/{block/bcache/stats.h => md/bcache/stats.h} (100%)
rename drivers/{block/bcache/super.c => md/bcache/super.c} (100%)
rename drivers/{block/bcache/sysfs.c => md/bcache/sysfs.c} (100%)
rename drivers/{block/bcache/sysfs.h => md/bcache/sysfs.h} (100%)
rename drivers/{block/bcache/trace.c => md/bcache/trace.c} (100%)
rename drivers/{block/bcache/util.c => md/bcache/util.c} (100%)
rename drivers/{block/bcache/util.h => md/bcache/util.h} (100%)
rename drivers/{block/bcache/writeback.c => md/bcache/writeback.c} (100%)
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index d872600..4e4c8a4 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -526,8 +526,6 @@ config VIRTIO_BLK
This is the virtual block driver for virtio. It can be used with
lguest or QEMU based VMMs (like KVM or Xen). Say Y or M.
-source "drivers/block/bcache/Kconfig"
-
config BLK_DEV_HD
bool "Very old hard disk (MFM/RLL/IDE) driver"
depends on HAVE_IDE
diff --git a/drivers/block/Makefile b/drivers/block/Makefile
index 19520e1..5b79505 100644
--- a/drivers/block/Makefile
+++ b/drivers/block/Makefile
@@ -41,6 +41,5 @@ obj-$(CONFIG_XEN_BLKDEV_BACKEND) += xen-blkback/
obj-$(CONFIG_BLK_DEV_DRBD) += drbd/
obj-$(CONFIG_BLK_DEV_RBD) += rbd.o
obj-$(CONFIG_BLK_DEV_PCIESSD_MTIP32XX) += mtip32xx/
-obj-$(CONFIG_BCACHE) += bcache/
swim_mod-y := swim.o swim_asm.o
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index faa4741..110c1b7 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -185,6 +185,8 @@ config MD_FAULTY
In unsure, say N.
+source "drivers/md/bcache/Kconfig"
+
config BLK_DEV_DM
tristate "Device mapper support"
---help---
diff --git a/drivers/md/Makefile b/drivers/md/Makefile
index 046860c..b717f51 100644
--- a/drivers/md/Makefile
+++ b/drivers/md/Makefile
@@ -26,6 +26,7 @@ obj-$(CONFIG_MD_RAID10) += raid10.o
obj-$(CONFIG_MD_RAID456) += raid456.o
obj-$(CONFIG_MD_MULTIPATH) += multipath.o
obj-$(CONFIG_MD_FAULTY) += faulty.o
+obj-$(CONFIG_BCACHE) += bcache/
obj-$(CONFIG_BLK_DEV_MD) += md-mod.o
obj-$(CONFIG_BLK_DEV_DM) += dm-mod.o
obj-$(CONFIG_DM_BUFIO) += dm-bufio.o
diff --git a/drivers/block/bcache/Kconfig b/drivers/md/bcache/Kconfig
similarity index 100%
rename from drivers/block/bcache/Kconfig
rename to drivers/md/bcache/Kconfig
diff --git a/drivers/block/bcache/Makefile b/drivers/md/bcache/Makefile
similarity index 100%
rename from drivers/block/bcache/Makefile
rename to drivers/md/bcache/Makefile
diff --git a/drivers/block/bcache/alloc.c b/drivers/md/bcache/alloc.c
similarity index 100%
rename from drivers/block/bcache/alloc.c
rename to drivers/md/bcache/alloc.c
diff --git a/drivers/block/bcache/bcache.h b/drivers/md/bcache/bcache.h
similarity index 100%
rename from drivers/block/bcache/bcache.h
rename to drivers/md/bcache/bcache.h
diff --git a/drivers/block/bcache/bset.c b/drivers/md/bcache/bset.c
similarity index 100%
rename from drivers/block/bcache/bset.c
rename to drivers/md/bcache/bset.c
diff --git a/drivers/block/bcache/bset.h b/drivers/md/bcache/bset.h
similarity index 100%
rename from drivers/block/bcache/bset.h
rename to drivers/md/bcache/bset.h
diff --git a/drivers/block/bcache/btree.c b/drivers/md/bcache/btree.c
similarity index 100%
rename from drivers/block/bcache/btree.c
rename to drivers/md/bcache/btree.c
diff --git a/drivers/block/bcache/btree.h b/drivers/md/bcache/btree.h
similarity index 100%
rename from drivers/block/bcache/btree.h
rename to drivers/md/bcache/btree.h
diff --git a/drivers/block/bcache/debug.c b/drivers/md/bcache/debug.c
similarity index 100%
rename from drivers/block/bcache/debug.c
rename to drivers/md/bcache/debug.c
diff --git a/drivers/block/bcache/debug.h b/drivers/md/bcache/debug.h
similarity index 100%
rename from drivers/block/bcache/debug.h
rename to drivers/md/bcache/debug.h
diff --git a/drivers/block/bcache/io.c b/drivers/md/bcache/io.c
similarity index 100%
rename from drivers/block/bcache/io.c
rename to drivers/md/bcache/io.c
diff --git a/drivers/block/bcache/journal.c b/drivers/md/bcache/journal.c
similarity index 100%
rename from drivers/block/bcache/journal.c
rename to drivers/md/bcache/journal.c
diff --git a/drivers/block/bcache/journal.h b/drivers/md/bcache/journal.h
similarity index 100%
rename from drivers/block/bcache/journal.h
rename to drivers/md/bcache/journal.h
diff --git a/drivers/block/bcache/request.c b/drivers/md/bcache/request.c
similarity index 100%
rename from drivers/block/bcache/request.c
rename to drivers/md/bcache/request.c
diff --git a/drivers/block/bcache/request.h b/drivers/md/bcache/request.h
similarity index 100%
rename from drivers/block/bcache/request.h
rename to drivers/md/bcache/request.h
diff --git a/drivers/block/bcache/stats.c b/drivers/md/bcache/stats.c
similarity index 100%
rename from drivers/block/bcache/stats.c
rename to drivers/md/bcache/stats.c
diff --git a/drivers/block/bcache/stats.h b/drivers/md/bcache/stats.h
similarity index 100%
rename from drivers/block/bcache/stats.h
rename to drivers/md/bcache/stats.h
diff --git a/drivers/block/bcache/super.c b/drivers/md/bcache/super.c
similarity index 100%
rename from drivers/block/bcache/super.c
rename to drivers/md/bcache/super.c
diff --git a/drivers/block/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
similarity index 100%
rename from drivers/block/bcache/sysfs.c
rename to drivers/md/bcache/sysfs.c
diff --git a/drivers/block/bcache/sysfs.h b/drivers/md/bcache/sysfs.h
similarity index 100%
rename from drivers/block/bcache/sysfs.h
rename to drivers/md/bcache/sysfs.h
diff --git a/drivers/block/bcache/trace.c b/drivers/md/bcache/trace.c
similarity index 100%
rename from drivers/block/bcache/trace.c
rename to drivers/md/bcache/trace.c
diff --git a/drivers/block/bcache/util.c b/drivers/md/bcache/util.c
similarity index 100%
rename from drivers/block/bcache/util.c
rename to drivers/md/bcache/util.c
diff --git a/drivers/block/bcache/util.h b/drivers/md/bcache/util.h
similarity index 100%
rename from drivers/block/bcache/util.h
rename to drivers/md/bcache/util.h
diff --git a/drivers/block/bcache/writeback.c b/drivers/md/bcache/writeback.c
similarity index 100%
rename from drivers/block/bcache/writeback.c
rename to drivers/md/bcache/writeback.c
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