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-rw-r--r--config/kernel-proc-operations.m441
1 files changed, 41 insertions, 0 deletions
diff --git a/config/kernel-proc-operations.m4 b/config/kernel-proc-operations.m4
new file mode 100644
index 000000000..df216222e
--- /dev/null
+++ b/config/kernel-proc-operations.m4
@@ -0,0 +1,41 @@
+dnl #
+dnl # 5.6 API Change
+dnl # The proc_ops structure was introduced to replace the use of
+dnl # of the file_operations structure when registering proc handlers.
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_SRC_PROC_OPERATIONS], [
+ ZFS_LINUX_TEST_SRC([proc_ops_struct], [
+ #include <linux/proc_fs.h>
+
+ int test_open(struct inode *ip, struct file *fp) { return 0; }
+ ssize_t test_read(struct file *fp, char __user *ptr,
+ size_t size, loff_t *offp) { return 0; }
+ ssize_t test_write(struct file *fp, const char __user *ptr,
+ size_t size, loff_t *offp) { return 0; }
+ loff_t test_lseek(struct file *fp, loff_t off, int flag)
+ { return 0; }
+ int test_release(struct inode *ip, struct file *fp)
+ { return 0; }
+
+ const struct proc_ops test_ops __attribute__ ((unused)) = {
+ .proc_open = test_open,
+ .proc_read = test_read,
+ .proc_write = test_write,
+ .proc_lseek = test_lseek,
+ .proc_release = test_release,
+ };
+ ], [
+ struct proc_dir_entry *entry __attribute__ ((unused)) =
+ proc_create_data("test", 0444, NULL, &test_ops, NULL);
+ ])
+])
+
+AC_DEFUN([ZFS_AC_KERNEL_PROC_OPERATIONS], [
+ AC_MSG_CHECKING([whether proc_ops structure exists])
+ ZFS_LINUX_TEST_RESULT([proc_ops_struct], [
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_PROC_OPS_STRUCT, 1, [proc_ops structure exists])
+ ], [
+ AC_MSG_RESULT(no)
+ ])
+])