projects / mirror_zfs-debian.git / blame
| Commit | Line | Data |
|---|---|---|
| c9c0d073 BB |
1 | dnl # |
| 2 | dnl # 2.6.x API change | |
| 3 | dnl # | |
| ea04106b AX |
4 | dnl # 3.14 API change |
| 5 | dnl # | |
| c9c0d073 | 6 | AC_DEFUN([ZFS_AC_KERNEL_RQ_FOR_EACH_SEGMENT], [ |
| b9c59ec8 | 7 | tmp_flags="$EXTRA_KCFLAGS" |
| e191b54e | 8 | EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" |
| ea04106b AX |
9 | |
| 10 | AC_MSG_CHECKING([whether rq_for_each_segment() wants bio_vec *]) | |
| c9c0d073 BB |
11 | ZFS_LINUX_TRY_COMPILE([ |
| 12 | #include <linux/blkdev.h> | |
| 13 | ],[ | |
| 14 | struct bio_vec *bv; | |
| 15 | struct req_iterator iter; | |
| 16 | struct request *req = NULL; | |
| 17 | rq_for_each_segment(bv, req, iter) { } | |
| 18 | ],[ | |
| 19 | AC_MSG_RESULT(yes) | |
| 20 | AC_DEFINE(HAVE_RQ_FOR_EACH_SEGMENT, 1, | |
| 21 | [rq_for_each_segment() is available]) | |
| ea04106b AX |
22 | AC_DEFINE(HAVE_RQ_FOR_EACH_SEGMENT_BVP, 1, |
| 23 | [rq_for_each_segment() wants bio_vec *]) | |
| 24 | ],[ | |
| 25 | AC_MSG_RESULT(no) | |
| 26 | ]) | |
| 27 | ||
| 28 | AC_MSG_CHECKING([whether rq_for_each_segment() wants bio_vec]) | |
| 29 | ZFS_LINUX_TRY_COMPILE([ | |
| 30 | #include <linux/blkdev.h> | |
| 31 | ],[ | |
| 32 | struct bio_vec bv; | |
| 33 | struct req_iterator iter; | |
| 34 | struct request *req = NULL; | |
| 35 | rq_for_each_segment(bv, req, iter) { } | |
| 36 | ],[ | |
| 37 | AC_MSG_RESULT(yes) | |
| 38 | AC_DEFINE(HAVE_RQ_FOR_EACH_SEGMENT, 1, | |
| 39 | [rq_for_each_segment() is available]) | |
| 40 | AC_DEFINE(HAVE_RQ_FOR_EACH_SEGMENT_BV, 1, | |
| 41 | [rq_for_each_segment() wants bio_vec]) | |
| c9c0d073 BB |
42 | ],[ |
| 43 | AC_MSG_RESULT(no) | |
| 44 | ]) | |
| ea04106b | 45 | |
| b9c59ec8 | 46 | EXTRA_KCFLAGS="$tmp_flags" |
| c9c0d073 | 47 | ]) |