projects / mirror_zfs.git / blame
| Commit | Line | Data |
|---|---|---|
| ec1fea45 SD |
1 | dnl # |
| 2 | dnl # 3.18 API change, | |
| 3 | dnl # The function percpu_counter_init now must be passed a GFP mask. | |
| 4 | dnl # | |
| 5 | AC_DEFUN([ZFS_AC_KERNEL_SRC_PERCPU_COUNTER_INIT], [ | |
| 6 | ZFS_LINUX_TEST_SRC([percpu_counter_init_with_gfp], [ | |
| 7 | #include <linux/gfp.h> | |
| 8 | #include <linux/percpu_counter.h> | |
| 9 | ],[ | |
| 10 | struct percpu_counter counter; | |
| 11 | int error; | |
| 12 | ||
| 13 | error = percpu_counter_init(&counter, 0, GFP_KERNEL); | |
| 14 | ]) | |
| 15 | ]) | |
| 16 | ||
| 17 | AC_DEFUN([ZFS_AC_KERNEL_PERCPU_COUNTER_INIT], [ | |
| 18 | AC_MSG_CHECKING([whether percpu_counter_init() wants gfp_t]) | |
| 19 | ZFS_LINUX_TEST_RESULT([percpu_counter_init_with_gfp], [ | |
| 20 | AC_MSG_RESULT(yes) | |
| 21 | AC_DEFINE(HAVE_PERCPU_COUNTER_INIT_WITH_GFP, 1, | |
| 22 | [percpu_counter_init() wants gfp_t]) | |
| 23 | ],[ | |
| 24 | AC_MSG_RESULT(no) | |
| 25 | ]) | |
| 26 | ]) | |
| 27 | ||
| 86706441 AM |
28 | dnl # |
| 29 | dnl # 4.13 API change, | |
| 30 | dnl # __percpu_counter_add() was renamed to percpu_counter_add_batch(). | |
| 31 | dnl # | |
| 32 | AC_DEFUN([ZFS_AC_KERNEL_SRC_PERCPU_COUNTER_ADD_BATCH], [ | |
| 33 | ZFS_LINUX_TEST_SRC([percpu_counter_add_batch], [ | |
| 34 | #include <linux/percpu_counter.h> | |
| 35 | ],[ | |
| 36 | struct percpu_counter counter; | |
| 37 | ||
| 38 | percpu_counter_add_batch(&counter, 1, 1); | |
| 39 | ]) | |
| 40 | ]) | |
| 41 | ||
| 42 | AC_DEFUN([ZFS_AC_KERNEL_PERCPU_COUNTER_ADD_BATCH], [ | |
| 43 | AC_MSG_CHECKING([whether percpu_counter_add_batch() is defined]) | |
| 44 | ZFS_LINUX_TEST_RESULT([percpu_counter_add_batch], [ | |
| 45 | AC_MSG_RESULT(yes) | |
| 46 | AC_DEFINE(HAVE_PERCPU_COUNTER_ADD_BATCH, 1, | |
| 47 | [percpu_counter_add_batch() is defined]) | |
| 48 | ],[ | |
| 49 | AC_MSG_RESULT(no) | |
| 50 | ]) | |
| 51 | ]) | |
| 52 | ||
| 838a2490 CK |
53 | dnl # |
| 54 | dnl # 5.10 API change, | |
| 55 | dnl # The "count" was moved into ref->data, from ref | |
| 56 | dnl # | |
| 57 | AC_DEFUN([ZFS_AC_KERNEL_SRC_PERCPU_REF_COUNT_IN_DATA], [ | |
| 58 | ZFS_LINUX_TEST_SRC([percpu_ref_count_in_data], [ | |
| 59 | #include <linux/percpu-refcount.h> | |
| 60 | ],[ | |
| 61 | struct percpu_ref_data d; | |
| 62 | ||
| 63 | atomic_long_set(&d.count, 1L); | |
| 64 | ]) | |
| 65 | ]) | |
| 66 | ||
| 67 | AC_DEFUN([ZFS_AC_KERNEL_PERCPU_REF_COUNT_IN_DATA], [ | |
| 68 | AC_MSG_CHECKING([whether is inside percpu_ref.data]) | |
| 69 | ZFS_LINUX_TEST_RESULT([percpu_ref_count_in_data], [ | |
| 70 | AC_MSG_RESULT(yes) | |
| 71 | AC_DEFINE(ZFS_PERCPU_REF_COUNT_IN_DATA, 1, | |
| 72 | [count is located in percpu_ref.data]) | |
| 73 | ],[ | |
| 74 | AC_MSG_RESULT(no) | |
| 75 | ]) | |
| 76 | ]) | |
| ec1fea45 SD |
77 | AC_DEFUN([ZFS_AC_KERNEL_SRC_PERCPU], [ |
| 78 | ZFS_AC_KERNEL_SRC_PERCPU_COUNTER_INIT | |
| 86706441 | 79 | ZFS_AC_KERNEL_SRC_PERCPU_COUNTER_ADD_BATCH |
| 838a2490 | 80 | ZFS_AC_KERNEL_SRC_PERCPU_REF_COUNT_IN_DATA |
| ec1fea45 SD |
81 | ]) |
| 82 | ||
| 83 | AC_DEFUN([ZFS_AC_KERNEL_PERCPU], [ | |
| 84 | ZFS_AC_KERNEL_PERCPU_COUNTER_INIT | |
| 86706441 | 85 | ZFS_AC_KERNEL_PERCPU_COUNTER_ADD_BATCH |
| 838a2490 | 86 | ZFS_AC_KERNEL_PERCPU_REF_COUNT_IN_DATA |
| ec1fea45 | 87 | ]) |