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Use ZFS version for pyzfs & drop unused reqs file
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0f37d0c8 1AC_DEFUN([ZFS_AC_KERNEL_VFS_ITERATE], [
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2 dnl #
3 dnl # 4.7 API change
4 dnl #
5 AC_MSG_CHECKING([whether fops->iterate_shared() is available])
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6 ZFS_LINUX_TRY_COMPILE([
7 #include <linux/fs.h>
8 int iterate(struct file *filp, struct dir_context * context)
9 { return 0; }
10
11 static const struct file_operations fops
12 __attribute__ ((unused)) = {
9baaa7de 13 .iterate_shared = iterate,
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14 };
15 ],[
16 ],[
17 AC_MSG_RESULT(yes)
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18 AC_DEFINE(HAVE_VFS_ITERATE_SHARED, 1,
19 [fops->iterate_shared() is available])
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20 ],[
21 AC_MSG_RESULT(no)
22
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23 dnl #
24 dnl # 3.11 API change
25 dnl #
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26 dnl # RHEL 7.5 compatibility; the fops.iterate() method was
27 dnl # added to the file_operations structure but in order to
28 dnl # maintain KABI compatibility all callers must set
29 dnl # FMODE_KABI_ITERATE which is checked in iterate_dir().
30 dnl # When detected ignore this interface and fallback to
31 dnl # to using fops.readdir() to retain KABI compatibility.
32 dnl #
9baaa7de 33 AC_MSG_CHECKING([whether fops->iterate() is available])
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34 ZFS_LINUX_TRY_COMPILE([
35 #include <linux/fs.h>
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36 int iterate(struct file *filp,
37 struct dir_context *context) { return 0; }
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38
39 static const struct file_operations fops
40 __attribute__ ((unused)) = {
9baaa7de 41 .iterate = iterate,
0f37d0c8 42 };
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43
44 #if defined(FMODE_KABI_ITERATE)
45 #error "RHEL 7.5, FMODE_KABI_ITERATE interface"
46 #endif
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47 ],[
48 ],[
49 AC_MSG_RESULT(yes)
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50 AC_DEFINE(HAVE_VFS_ITERATE, 1,
51 [fops->iterate() is available])
0f37d0c8 52 ],[
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53 AC_MSG_RESULT(no)
54
55 AC_MSG_CHECKING([whether fops->readdir() is available])
56 ZFS_LINUX_TRY_COMPILE([
57 #include <linux/fs.h>
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58 int readdir(struct file *filp, void *entry,
59 filldir_t func) { return 0; }
0f37d0c8 60
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61 static const struct file_operations fops
62 __attribute__ ((unused)) = {
63 .readdir = readdir,
64 };
65 ],[
66 ],[
67 AC_MSG_RESULT(yes)
68 AC_DEFINE(HAVE_VFS_READDIR, 1,
69 [fops->readdir() is available])
70 ],[
9464b959 71 AC_MSG_ERROR(no; file a bug report with ZoL)
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72 ])
73 ])
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74 ])
75])