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0dd73648 BB |
1 | dnl # |
2 | dnl # 5.6 API Change | |
3 | dnl # The proc_ops structure was introduced to replace the use of | |
4 | dnl # of the file_operations structure when registering proc handlers. | |
5 | dnl # | |
6 | AC_DEFUN([ZFS_AC_KERNEL_SRC_PROC_OPERATIONS], [ | |
7 | ZFS_LINUX_TEST_SRC([proc_ops_struct], [ | |
8 | #include <linux/proc_fs.h> | |
9 | ||
a41d0b29 RN |
10 | static int test_open(struct inode *ip, struct file *fp) { return 0; } |
11 | static ssize_t test_read(struct file *fp, char __user *ptr, | |
0dd73648 | 12 | size_t size, loff_t *offp) { return 0; } |
a41d0b29 | 13 | static ssize_t test_write(struct file *fp, const char __user *ptr, |
0dd73648 | 14 | size_t size, loff_t *offp) { return 0; } |
a41d0b29 | 15 | static loff_t test_lseek(struct file *fp, loff_t off, int flag) |
0dd73648 | 16 | { return 0; } |
a41d0b29 | 17 | static int test_release(struct inode *ip, struct file *fp) |
0dd73648 BB |
18 | { return 0; } |
19 | ||
20 | const struct proc_ops test_ops __attribute__ ((unused)) = { | |
21 | .proc_open = test_open, | |
22 | .proc_read = test_read, | |
23 | .proc_write = test_write, | |
24 | .proc_lseek = test_lseek, | |
25 | .proc_release = test_release, | |
26 | }; | |
27 | ], [ | |
28 | struct proc_dir_entry *entry __attribute__ ((unused)) = | |
29 | proc_create_data("test", 0444, NULL, &test_ops, NULL); | |
30 | ]) | |
31 | ]) | |
32 | ||
33 | AC_DEFUN([ZFS_AC_KERNEL_PROC_OPERATIONS], [ | |
34 | AC_MSG_CHECKING([whether proc_ops structure exists]) | |
35 | ZFS_LINUX_TEST_RESULT([proc_ops_struct], [ | |
36 | AC_MSG_RESULT(yes) | |
37 | AC_DEFINE(HAVE_PROC_OPS_STRUCT, 1, [proc_ops structure exists]) | |
38 | ], [ | |
39 | AC_MSG_RESULT(no) | |
40 | ]) | |
41 | ]) |