Messages in this thread Patch in this message | | | From | Naohiro Aota <> | Subject | [RFC PATCH 01/12] btrfs-progs: build: Check zoned block device support | Date | Fri, 10 Aug 2018 03:10:54 +0900 |
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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 HMZONED feature, if not disable it.
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com> Signed-off-by: Naohiro Aota <naota@elisp.net> --- configure.ac | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/configure.ac b/configure.ac index df02f206..616d62a1 100644 --- a/configure.ac +++ b/configure.ac @@ -207,6 +207,18 @@ else AC_DEFINE([HAVE_OWN_FIEMAP_EXTENT_SHARED_DEFINE], [0], [We did not define FIEMAP_EXTENT_SHARED]) fi +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 @@ -308,6 +320,7 @@ AC_MSG_RESULT([ btrfs-restore zstd: ${enable_zstd} Python bindings: ${enable_python} Python interpreter: ${PYTHON} + zoned device: ${enable_zoned} Type 'make' to compile. ]) -- 2.18.0
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