projects / mirror_zfs.git / blame
| Commit | Line | Data |
|---|---|---|
| 787acae0 GDN |
1 | dnl # |
| 2 | dnl # Linux 4.14 API, | |
| 3 | dnl # | |
| 26a85659 | 4 | dnl # The bio_set_dev() helper macro was introduced as part of the transition |
| 787acae0 GDN |
5 | dnl # to have struct gendisk in struct bio. |
| 6 | dnl # | |
| 26a85659 | 7 | AC_DEFUN([ZFS_AC_KERNEL_BIO_SET_DEV_MACRO], [ |
| 787acae0 GDN |
8 | AC_MSG_CHECKING([whether bio_set_dev() exists]) |
| 9 | ZFS_LINUX_TRY_COMPILE([ | |
| 10 | #include <linux/bio.h> | |
| 11 | #include <linux/fs.h> | |
| 12 | ],[ | |
| 13 | struct block_device *bdev = NULL; | |
| 14 | struct bio *bio = NULL; | |
| 15 | bio_set_dev(bio, bdev); | |
| 16 | ],[ | |
| 17 | AC_MSG_RESULT(yes) | |
| 18 | AC_DEFINE(HAVE_BIO_SET_DEV, 1, [bio_set_dev() exists]) | |
| 19 | ],[ | |
| 20 | AC_MSG_RESULT(no) | |
| 21 | ]) | |
| 22 | ]) | |
| 26a85659 BB |
23 | |
| 24 | dnl # | |
| 25 | dnl # Linux 5.0 API, | |
| 26 | dnl # | |
| 27 | dnl # The bio_set_dev() helper macro was updated to internally depend on | |
| 28 | dnl # bio_associate_blkg() symbol which is exported GPL-only. | |
| 29 | dnl # | |
| 30 | AC_DEFUN([ZFS_AC_KERNEL_BIO_SET_DEV_GPL_ONLY], [ | |
| 31 | AC_MSG_CHECKING([whether bio_set_dev() is GPL-only]) | |
| 32 | ZFS_LINUX_TRY_COMPILE([ | |
| 33 | #include <linux/module.h> | |
| 34 | #include <linux/bio.h> | |
| 35 | #include <linux/fs.h> | |
| 36 | MODULE_LICENSE("$ZFS_META_LICENSE"); | |
| 37 | ],[ | |
| 38 | struct block_device *bdev = NULL; | |
| 39 | struct bio *bio = NULL; | |
| 40 | bio_set_dev(bio, bdev); | |
| 41 | ],[ | |
| 42 | AC_MSG_RESULT(no) | |
| 43 | ],[ | |
| 44 | AC_MSG_RESULT(yes) | |
| 45 | AC_DEFINE(HAVE_BIO_SET_DEV_GPL_ONLY, 1, | |
| 46 | [bio_set_dev() GPL-only]) | |
| 47 | ]) | |
| 48 | ]) | |
| 49 | ||
| 50 | AC_DEFUN([ZFS_AC_KERNEL_BIO_SET_DEV], [ | |
| 51 | ZFS_AC_KERNEL_BIO_SET_DEV_MACRO | |
| 52 | ZFS_AC_KERNEL_BIO_SET_DEV_GPL_ONLY | |
| 53 | ]) |