linux-kernel - [PATCH v4 11/11] blksnap: Kconfig and Makefile

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Date:   Fri, 9 Jun 2023 13:58:58 +0200
From:   Sergei Shtepa <sergei.shtepa@...am.com>
To:     <axboe@...nel.dk>, <hch@...radead.org>, <corbet@....net>,
        <snitzer@...nel.org>
CC:     <viro@...iv.linux.org.uk>, <brauner@...nel.org>,
        <willy@...radead.org>, <dlemoal@...nel.org>, <wsa@...nel.org>,
        <heikki.krogerus@...ux.intel.com>, <ming.lei@...hat.com>,
        <gregkh@...uxfoundation.org>, <linux-block@...r.kernel.org>,
        <linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-fsdevel@...r.kernel.org>, <sergei.shtepa@...am.com>
Subject: [PATCH v4 11/11] blksnap: Kconfig and Makefile

Allows to build a module and add the blksnap to the kernel tree.

Co-developed-by: Christoph Hellwig <hch@...radead.org>
Signed-off-by: Christoph Hellwig <hch@...radead.org>
Signed-off-by: Sergei Shtepa <sergei.shtepa@...am.com>
---
 drivers/block/Kconfig          |  2 ++
 drivers/block/Makefile         |  2 ++
 drivers/block/blksnap/Kconfig  | 12 ++++++++++++
 drivers/block/blksnap/Makefile | 15 +++++++++++++++
 4 files changed, 31 insertions(+)
 create mode 100644 drivers/block/blksnap/Kconfig
 create mode 100644 drivers/block/blksnap/Makefile

diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 5b9d4aaebb81..74d2d55526a3 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -404,4 +404,6 @@ config BLKDEV_UBLK_LEGACY_OPCODES

 source "drivers/block/rnbd/Kconfig"

+source "drivers/block/blksnap/Kconfig"
+
 endif # BLK_DEV
diff --git a/drivers/block/Makefile b/drivers/block/Makefile
index 101612cba303..9a2a9a56a247 100644
--- a/drivers/block/Makefile
+++ b/drivers/block/Makefile
@@ -40,3 +40,5 @@ obj-$(CONFIG_BLK_DEV_NULL_BLK)	+= null_blk/
 obj-$(CONFIG_BLK_DEV_UBLK)			+= ublk_drv.o

 swim_mod-y	:= swim.o swim_asm.o
+
+obj-$(CONFIG_BLKSNAP) += blksnap/
diff --git a/drivers/block/blksnap/Kconfig b/drivers/block/blksnap/Kconfig
new file mode 100644
index 000000000000..14081359847b
--- /dev/null
+++ b/drivers/block/blksnap/Kconfig
@@ -0,0 +1,12 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Block device snapshot module configuration
+#
+
+config BLKSNAP
+	tristate "Block Devices Snapshots Module (blksnap)"
+	help
+	  Allow to create snapshots and track block changes for block devices.
+	  Designed for creating backups for simple block devices. Snapshots are
+	  temporary and are released then backup is completed. Change block
+	  tracking allows to create incremental or differential backups.
diff --git a/drivers/block/blksnap/Makefile b/drivers/block/blksnap/Makefile
new file mode 100644
index 000000000000..8d528b95579a
--- /dev/null
+++ b/drivers/block/blksnap/Makefile
@@ -0,0 +1,15 @@
+# SPDX-License-Identifier: GPL-2.0
+
+blksnap-y := 		\
+	cbt_map.o	\
+	chunk.o		\
+	diff_area.o	\
+	diff_buffer.o	\
+	diff_storage.o	\
+	event_queue.o	\
+	main.o		\
+	snapimage.o	\
+	snapshot.o	\
+	tracker.o
+
+obj-$(CONFIG_BLKSNAP)	 += blksnap.o
--
2.20.1