diff options
Diffstat (limited to 'config/kernel-open-bdev-exclusive.m4')
| -rw-r--r-- | config/kernel-open-bdev-exclusive.m4 | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/config/kernel-open-bdev-exclusive.m4 b/config/kernel-open-bdev-exclusive.m4 index 734b2134c..0661315a6 100644 --- a/config/kernel-open-bdev-exclusive.m4 +++ b/config/kernel-open-bdev-exclusive.m4 @@ -2,11 +2,17 @@ dnl # dnl # 2.6.28 API change dnl # open/close_bdev_excl() renamed to open/close_bdev_exclusive() dnl # -AC_DEFUN([ZFS_AC_KERNEL_OPEN_BDEV_EXCLUSIVE], [ - ZFS_CHECK_SYMBOL_EXPORT( - [open_bdev_exclusive], - [fs/block_dev.c], - [AC_DEFINE(HAVE_OPEN_BDEV_EXCLUSIVE, 1, - [open_bdev_exclusive() is available])], - []) +AC_DEFUN([ZFS_AC_KERNEL_OPEN_BDEV_EXCLUSIVE], + [AC_MSG_CHECKING([whether open_bdev_exclusive() is available]) + ZFS_LINUX_TRY_COMPILE_SYMBOL([ + #include <linux/fs.h> + ], [ + open_bdev_exclusive(NULL, 0, NULL); + ], [open_bdev_exclusive], [fs/block_dev.c], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_OPEN_BDEV_EXCLUSIVE, 1, + [open_bdev_exclusive() is available]) + ], [ + AC_MSG_RESULT(no) + ]) ]) |