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2b7ab9d4 | 1 | dnl # |
e02aaf17 HM |
2 | dnl # 2.6.27, lookup_bdev() was exported. |
3 | dnl # 4.4.0-6.21 - x.y on Ubuntu, lookup_bdev() takes 2 arguments. | |
2b7ab9d4 BB |
4 | dnl # |
5 | AC_DEFUN([ZFS_AC_KERNEL_LOOKUP_BDEV], | |
e02aaf17 | 6 | [AC_MSG_CHECKING([whether lookup_bdev() wants 1 arg]) |
2b7ab9d4 BB |
7 | ZFS_LINUX_TRY_COMPILE_SYMBOL([ |
8 | #include <linux/fs.h> | |
9 | ], [ | |
10 | lookup_bdev(NULL); | |
11 | ], [lookup_bdev], [fs/block_dev.c], [ | |
12 | AC_MSG_RESULT(yes) | |
e02aaf17 | 13 | AC_DEFINE(HAVE_1ARG_LOOKUP_BDEV, 1, [lookup_bdev() wants 1 arg]) |
2b7ab9d4 BB |
14 | ], [ |
15 | AC_MSG_RESULT(no) | |
e02aaf17 HM |
16 | AC_MSG_CHECKING([whether lookup_bdev() wants 2 args]) |
17 | ZFS_LINUX_TRY_COMPILE_SYMBOL([ | |
18 | #include <linux/fs.h> | |
19 | ], [ | |
20 | lookup_bdev(NULL, FMODE_READ); | |
21 | ], [lookup_bdev], [fs/block_dev.c], [ | |
22 | AC_MSG_RESULT(yes) | |
23 | AC_DEFINE(HAVE_2ARGS_LOOKUP_BDEV, 1, | |
24 | [lookup_bdev() wants 2 args]) | |
25 | ], [ | |
26 | AC_MSG_RESULT(no) | |
27 | ]) | |
2b7ab9d4 | 28 | ]) |
e02aaf17 | 29 | ]) |