diff mbox series

[03/26] btrfs-progs: build: zoned: Check zoned block device support

Message ID c906fcb0b1d90ac470d81cb12182f5d0e8426ad0.1619416549.git.naohiro.aota@wdc.com (mailing list archive)
State New, archived
Headers show
Series btrfs-progs: zoned: zoned block device support | expand

Commit Message

Naohiro Aota April 26, 2021, 6:27 a.m. UTC 
If the kernel supports zoned block devices, the file
/usr/include/linux/blkzoned.h will be present. Check this and define
BTRFS_ZONED if the file is present.

If it present, enables ZONED feature, if not disable it.

Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
---
 configure.ac | 13 +++++++++++++
 1 file changed, 13 insertions(+)
diff mbox series

Patch

diff --git a/configure.ac b/configure.ac
index 6ea29e0a5a06..5ad95d662b47 100644
--- a/configure.ac
+++ b/configure.ac
@@ -250,6 +250,18 @@  AX_CHECK_DEFINE([ext2fs/ext2_fs.h], [EXT4_EPOCH_MASK],
 			   [Define to 1 if e2fsprogs defines EXT4_EPOCH_MASK])],
 		[AC_MSG_WARN([no definition of EXT4_EPOCH_MASK found, probably old e2fsprogs, no 64bit time precision of converted images])])
 
+AC_CHECK_HEADER(linux/blkzoned.h, [blkzoned_found=yes], [blkzoned_found=no])
+AC_ARG_ENABLE([zoned],
+  AS_HELP_STRING([--disable-zoned], [disable zoned block device support]),
+  [], [enable_zoned=$blkzoned_found]
+)
+
+AS_IF([test "x$enable_zoned" = xyes], [
+	AC_CHECK_HEADER(linux/blkzoned.h, [],
+		[AC_MSG_ERROR([Couldn't find linux/blkzoned.h])])
+	AC_DEFINE([BTRFS_ZONED], [1], [enable zoned block device support])
+])
+
 dnl Define <NAME>_LIBS= and <NAME>_CFLAGS= by pkg-config
 dnl
 dnl The default PKG_CHECK_MODULES() action-if-not-found is end the
@@ -367,6 +379,7 @@  AC_MSG_RESULT([
 	Python bindings:    ${enable_python}
 	Python interpreter: ${PYTHON}
 	crypto provider:    ${cryptoprovider} ${cryptoproviderversion}
+	zoned device:       ${enable_zoned}
 
 	Type 'make' to compile.
 ])