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-rw-r--r--config/kernel-blkdev-get-by-path.m413
-rw-r--r--config/kernel.m41
2 files changed, 14 insertions, 0 deletions
diff --git a/config/kernel-blkdev-get-by-path.m4 b/config/kernel-blkdev-get-by-path.m4
new file mode 100644
index 000000000..0d5d2b120
--- /dev/null
+++ b/config/kernel-blkdev-get-by-path.m4
@@ -0,0 +1,13 @@
+dnl #
+dnl # 2.6.38 API change
+dnl # open_bdev_exclusive() changed to blkdev_get_by_path()
+dnl # close_bdev_exclusive() changed to blkdev_put()
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_GET_BY_PATH], [
+ ZFS_CHECK_SYMBOL_EXPORT(
+ [blkdev_get_by_path],
+ [fs/block_dev.c],
+ [AC_DEFINE(HAVE_BLKDEV_GET_BY_PATH, 1,
+ [blkdev_get_by_path() is available])],
+ [])
+])
diff --git a/config/kernel.m4 b/config/kernel.m4
index c3321ed8d..492fbab14 100644
--- a/config/kernel.m4
+++ b/config/kernel.m4
@@ -8,6 +8,7 @@ AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [
ZFS_AC_KERNEL_BDEV_BLOCK_DEVICE_OPERATIONS
ZFS_AC_KERNEL_TYPE_FMODE_T
ZFS_AC_KERNEL_KOBJ_NAME_LEN
+ ZFS_AC_KERNEL_BLKDEV_GET_BY_PATH
ZFS_AC_KERNEL_OPEN_BDEV_EXCLUSIVE
ZFS_AC_KERNEL_INVALIDATE_BDEV_ARGS
ZFS_AC_KERNEL_BDEV_LOGICAL_BLOCK_SIZE