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e10b0808 AX |
1 | dnl # |
2 | dnl # 2.6.34 API change | |
3 | dnl # current->bio_tail and current->bio_list were struct bio pointers prior to | |
4 | dnl # Linux 2.6.34. They were refactored into a struct bio_list pointer called | |
5 | dnl # current->bio_list in Linux 2.6.34. | |
6 | dnl # | |
7 | AC_DEFUN([ZFS_AC_KERNEL_CURRENT_BIO_TAIL], [ | |
8 | AC_MSG_CHECKING([whether current->bio_tail exists]) | |
9 | ZFS_LINUX_TRY_COMPILE([ | |
10 | #include <linux/sched.h> | |
11 | ],[ | |
12 | current->bio_tail = (struct bio **) NULL; | |
13 | ],[ | |
14 | AC_MSG_RESULT(yes) | |
15 | AC_DEFINE(HAVE_CURRENT_BIO_TAIL, 1, | |
16 | [current->bio_tail exists]) | |
17 | ],[ | |
18 | AC_MSG_RESULT(no) | |
19 | AC_MSG_CHECKING([whether current->bio_list exists]) | |
20 | ZFS_LINUX_TRY_COMPILE([ | |
21 | #include <linux/sched.h> | |
22 | ],[ | |
23 | current->bio_list = (struct bio_list *) NULL; | |
24 | ],[ | |
25 | AC_MSG_RESULT(yes) | |
26 | AC_DEFINE(HAVE_CURRENT_BIO_LIST, 1, | |
27 | [current->bio_list exists]) | |
28 | ],[ | |
29 | AC_MSG_ERROR(no - Please file a bug report at | |
30 | https://github.com/zfsonlinux/zfs/issues/new) | |
31 | ]) | |
32 | ]) | |
33 | ]) |