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btrfs-progs: build: check zoned block device support

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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 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>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Naohiro Aota 2021-04-26 15:27:19 +09:00 committed by David Sterba
parent 6e59c9c04e
commit f749773310
1 changed files with 13 additions and 0 deletions
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13
configure.ac
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@ -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.
])