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Commit | Line | Data |
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777d4af8 BB |
1 | dnl # |
2 | dnl # 2.6.35 API change, | |
3 | dnl # The 'struct xattr_handler' was constified in the generic | |
4 | dnl # super_block structure. | |
5 | dnl # | |
608f8749 BB |
6 | AC_DEFUN([ZFS_AC_KERNEL_SRC_CONST_XATTR_HANDLER], [ |
7 | ZFS_LINUX_TEST_SRC([const_xattr_handler], [ | |
777d4af8 BB |
8 | #include <linux/fs.h> |
9 | #include <linux/xattr.h> | |
10 | ||
11 | const struct xattr_handler xattr_test_handler = { | |
12 | .prefix = "test", | |
13 | .get = NULL, | |
14 | .set = NULL, | |
15 | }; | |
16 | ||
17 | const struct xattr_handler *xattr_handlers[] = { | |
18 | &xattr_test_handler, | |
19 | }; | |
777d4af8 | 20 | |
b83e3e48 RY |
21 | const struct super_block sb __attribute__ ((unused)) = { |
22 | .s_xattr = xattr_handlers, | |
23 | }; | |
608f8749 BB |
24 | ],[]) |
25 | ]) | |
26 | ||
27 | AC_DEFUN([ZFS_AC_KERNEL_CONST_XATTR_HANDLER], [ | |
28 | AC_MSG_CHECKING([whether super_block uses const struct xattr_handler]) | |
29 | ZFS_LINUX_TEST_RESULT([const_xattr_handler], [ | |
777d4af8 | 30 | AC_MSG_RESULT([yes]) |
777d4af8 | 31 | ],[ |
066e8252 | 32 | ZFS_LINUX_TEST_ERROR([const xattr_handler]) |
777d4af8 BB |
33 | ]) |
34 | ]) | |
f9637c6c | 35 | |
232604b5 CC |
36 | dnl # |
37 | dnl # 4.5 API change, | |
38 | dnl # struct xattr_handler added new member "name". | |
39 | dnl # xattr_handler which matches to whole name rather than prefix should use | |
40 | dnl # "name" instead of "prefix", e.g. "system.posix_acl_access" | |
41 | dnl # | |
608f8749 BB |
42 | AC_DEFUN([ZFS_AC_KERNEL_SRC_XATTR_HANDLER_NAME], [ |
43 | ZFS_LINUX_TEST_SRC([xattr_handler_name], [ | |
232604b5 CC |
44 | #include <linux/xattr.h> |
45 | ||
46 | static const struct xattr_handler | |
47 | xops __attribute__ ((unused)) = { | |
48 | .name = XATTR_NAME_POSIX_ACL_ACCESS, | |
49 | }; | |
608f8749 BB |
50 | ],[]) |
51 | ]) | |
52 | ||
53 | AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_NAME], [ | |
54 | AC_MSG_CHECKING([whether xattr_handler has name]) | |
55 | ZFS_LINUX_TEST_RESULT([xattr_handler_name], [ | |
232604b5 CC |
56 | AC_MSG_RESULT(yes) |
57 | AC_DEFINE(HAVE_XATTR_HANDLER_NAME, 1, | |
58 | [xattr_handler has name]) | |
59 | ],[ | |
60 | AC_MSG_RESULT(no) | |
61 | ]) | |
0fedeedd CC |
62 | ]) |
63 | ||
64 | dnl # | |
608f8749 | 65 | dnl # Supported xattr handler get() interfaces checked newest to oldest. |
0fedeedd | 66 | dnl # |
608f8749 BB |
67 | AC_DEFUN([ZFS_AC_KERNEL_SRC_XATTR_HANDLER_GET], [ |
68 | ZFS_LINUX_TEST_SRC([xattr_handler_get_dentry_inode], [ | |
0fedeedd CC |
69 | #include <linux/xattr.h> |
70 | ||
608f8749 BB |
71 | int get(const struct xattr_handler *handler, |
72 | struct dentry *dentry, struct inode *inode, | |
73 | const char *name, void *buffer, size_t size) { return 0; } | |
74 | static const struct xattr_handler | |
75 | xops __attribute__ ((unused)) = { | |
76 | .get = get, | |
0fedeedd | 77 | }; |
608f8749 | 78 | ],[]) |
232604b5 | 79 | |
608f8749 | 80 | ZFS_LINUX_TEST_SRC([xattr_handler_get_xattr_handler], [ |
f9637c6c | 81 | #include <linux/xattr.h> |
f9637c6c | 82 | |
4967a3eb | 83 | int get(const struct xattr_handler *handler, |
608f8749 BB |
84 | struct dentry *dentry, const char *name, |
85 | void *buffer, size_t size) { return 0; } | |
b83e3e48 RY |
86 | static const struct xattr_handler |
87 | xops __attribute__ ((unused)) = { | |
88 | .get = get, | |
89 | }; | |
608f8749 BB |
90 | ],[]) |
91 | ||
92 | ZFS_LINUX_TEST_SRC([xattr_handler_get_dentry], [ | |
93 | #include <linux/xattr.h> | |
94 | ||
95 | int get(struct dentry *dentry, const char *name, | |
96 | void *buffer, size_t size, int handler_flags) | |
97 | { return 0; } | |
98 | static const struct xattr_handler | |
99 | xops __attribute__ ((unused)) = { | |
100 | .get = get, | |
101 | }; | |
102 | ],[]) | |
608f8749 BB |
103 | ]) |
104 | ||
105 | AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_GET], [ | |
106 | dnl # | |
107 | dnl # 4.7 API change, | |
108 | dnl # The xattr_handler->get() callback was changed to take both | |
109 | dnl # dentry and inode. | |
110 | dnl # | |
111 | AC_MSG_CHECKING([whether xattr_handler->get() wants dentry and inode]) | |
112 | ZFS_LINUX_TEST_RESULT([xattr_handler_get_dentry_inode], [ | |
f9637c6c | 113 | AC_MSG_RESULT(yes) |
fd4c7b7a | 114 | AC_DEFINE(HAVE_XATTR_GET_DENTRY_INODE, 1, |
8fbbc6b4 | 115 | [xattr_handler->get() wants both dentry and inode]) |
f9637c6c | 116 | ],[ |
4967a3eb | 117 | dnl # |
fd4c7b7a CC |
118 | dnl # 4.4 API change, |
119 | dnl # The xattr_handler->get() callback was changed to take a | |
120 | dnl # attr_handler, and handler_flags argument was removed and | |
121 | dnl # should be accessed by handler->flags. | |
4967a3eb | 122 | dnl # |
d4701011 | 123 | AC_MSG_RESULT(no) |
608f8749 BB |
124 | AC_MSG_CHECKING( |
125 | [whether xattr_handler->get() wants xattr_handler]) | |
126 | ZFS_LINUX_TEST_RESULT([xattr_handler_get_xattr_handler], [ | |
61d482f7 | 127 | AC_MSG_RESULT(yes) |
fd4c7b7a CC |
128 | AC_DEFINE(HAVE_XATTR_GET_HANDLER, 1, |
129 | [xattr_handler->get() wants xattr_handler]) | |
61d482f7 | 130 | ],[ |
4967a3eb | 131 | dnl # |
fd4c7b7a | 132 | dnl # 2.6.33 API change, |
608f8749 BB |
133 | dnl # The xattr_handler->get() callback was changed |
134 | dnl # to take a dentry instead of an inode, and a | |
135 | dnl # handler_flags argument was added. | |
4967a3eb | 136 | dnl # |
61d482f7 | 137 | AC_MSG_RESULT(no) |
608f8749 BB |
138 | AC_MSG_CHECKING( |
139 | [whether xattr_handler->get() wants dentry]) | |
140 | ZFS_LINUX_TEST_RESULT([xattr_handler_get_dentry], [ | |
4967a3eb | 141 | AC_MSG_RESULT(yes) |
fd4c7b7a CC |
142 | AC_DEFINE(HAVE_XATTR_GET_DENTRY, 1, |
143 | [xattr_handler->get() wants dentry]) | |
4967a3eb | 144 | ],[ |
066e8252 | 145 | ZFS_LINUX_TEST_ERROR([xattr get()]) |
4967a3eb | 146 | ]) |
61d482f7 | 147 | ]) |
f9637c6c BB |
148 | ]) |
149 | ]) | |
150 | ||
151 | dnl # | |
4967a3eb | 152 | dnl # Supported xattr handler set() interfaces checked newest to oldest. |
61d482f7 | 153 | dnl # |
608f8749 | 154 | AC_DEFUN([ZFS_AC_KERNEL_SRC_XATTR_HANDLER_SET], [ |
e2a82961 CK |
155 | ZFS_LINUX_TEST_SRC([xattr_handler_set_userns], [ |
156 | #include <linux/xattr.h> | |
157 | ||
158 | int set(const struct xattr_handler *handler, | |
159 | struct user_namespace *mnt_userns, | |
160 | struct dentry *dentry, struct inode *inode, | |
161 | const char *name, const void *buffer, | |
162 | size_t size, int flags) | |
163 | { return 0; } | |
164 | static const struct xattr_handler | |
165 | xops __attribute__ ((unused)) = { | |
166 | .set = set, | |
167 | }; | |
168 | ],[]) | |
169 | ||
608f8749 | 170 | ZFS_LINUX_TEST_SRC([xattr_handler_set_dentry_inode], [ |
f9637c6c | 171 | #include <linux/xattr.h> |
f9637c6c | 172 | |
4967a3eb | 173 | int set(const struct xattr_handler *handler, |
8fbbc6b4 BB |
174 | struct dentry *dentry, struct inode *inode, |
175 | const char *name, const void *buffer, | |
176 | size_t size, int flags) | |
4967a3eb | 177 | { return 0; } |
b83e3e48 RY |
178 | static const struct xattr_handler |
179 | xops __attribute__ ((unused)) = { | |
180 | .set = set, | |
181 | }; | |
608f8749 BB |
182 | ],[]) |
183 | ||
184 | ZFS_LINUX_TEST_SRC([xattr_handler_set_xattr_handler], [ | |
185 | #include <linux/xattr.h> | |
186 | ||
187 | int set(const struct xattr_handler *handler, | |
188 | struct dentry *dentry, const char *name, | |
189 | const void *buffer, size_t size, int flags) | |
190 | { return 0; } | |
191 | static const struct xattr_handler | |
192 | xops __attribute__ ((unused)) = { | |
193 | .set = set, | |
194 | }; | |
195 | ],[]) | |
196 | ||
197 | ZFS_LINUX_TEST_SRC([xattr_handler_set_dentry], [ | |
198 | #include <linux/xattr.h> | |
199 | ||
200 | int set(struct dentry *dentry, const char *name, | |
201 | const void *buffer, size_t size, int flags, | |
202 | int handler_flags) { return 0; } | |
203 | static const struct xattr_handler | |
204 | xops __attribute__ ((unused)) = { | |
205 | .set = set, | |
206 | }; | |
207 | ],[]) | |
608f8749 BB |
208 | ]) |
209 | ||
210 | AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_SET], [ | |
211 | dnl # | |
e2a82961 CK |
212 | dnl # 5.12 API change, |
213 | dnl # The xattr_handler->set() callback was changed to 8 arguments, and | |
214 | dnl # struct user_namespace* was inserted as arg #2 | |
608f8749 | 215 | dnl # |
e2a82961 CK |
216 | AC_MSG_CHECKING([whether xattr_handler->set() wants dentry, inode, and user_namespace]) |
217 | ZFS_LINUX_TEST_RESULT([xattr_handler_set_userns], [ | |
f9637c6c | 218 | AC_MSG_RESULT(yes) |
e2a82961 CK |
219 | AC_DEFINE(HAVE_XATTR_SET_USERNS, 1, |
220 | [xattr_handler->set() takes user_namespace]) | |
f9637c6c | 221 | ],[ |
4967a3eb | 222 | dnl # |
e2a82961 CK |
223 | dnl # 4.7 API change, |
224 | dnl # The xattr_handler->set() callback was changed to take both | |
225 | dnl # dentry and inode. | |
4967a3eb | 226 | dnl # |
d4701011 | 227 | AC_MSG_RESULT(no) |
e2a82961 CK |
228 | AC_MSG_CHECKING([whether xattr_handler->set() wants dentry and inode]) |
229 | ZFS_LINUX_TEST_RESULT([xattr_handler_set_dentry_inode], [ | |
61d482f7 | 230 | AC_MSG_RESULT(yes) |
e2a82961 CK |
231 | AC_DEFINE(HAVE_XATTR_SET_DENTRY_INODE, 1, |
232 | [xattr_handler->set() wants both dentry and inode]) | |
61d482f7 | 233 | ],[ |
4967a3eb | 234 | dnl # |
e2a82961 CK |
235 | dnl # 4.4 API change, |
236 | dnl # The xattr_handler->set() callback was changed to take a | |
237 | dnl # xattr_handler, and handler_flags argument was removed and | |
238 | dnl # should be accessed by handler->flags. | |
4967a3eb | 239 | dnl # |
61d482f7 | 240 | AC_MSG_RESULT(no) |
608f8749 | 241 | AC_MSG_CHECKING( |
e2a82961 CK |
242 | [whether xattr_handler->set() wants xattr_handler]) |
243 | ZFS_LINUX_TEST_RESULT([xattr_handler_set_xattr_handler], [ | |
4967a3eb | 244 | AC_MSG_RESULT(yes) |
e2a82961 CK |
245 | AC_DEFINE(HAVE_XATTR_SET_HANDLER, 1, |
246 | [xattr_handler->set() wants xattr_handler]) | |
4967a3eb | 247 | ],[ |
e2a82961 CK |
248 | dnl # |
249 | dnl # 2.6.33 API change, | |
250 | dnl # The xattr_handler->set() callback was changed | |
251 | dnl # to take a dentry instead of an inode, and a | |
252 | dnl # handler_flags argument was added. | |
253 | dnl # | |
254 | AC_MSG_RESULT(no) | |
255 | AC_MSG_CHECKING( | |
256 | [whether xattr_handler->set() wants dentry]) | |
257 | ZFS_LINUX_TEST_RESULT([xattr_handler_set_dentry], [ | |
258 | AC_MSG_RESULT(yes) | |
259 | AC_DEFINE(HAVE_XATTR_SET_DENTRY, 1, | |
260 | [xattr_handler->set() wants dentry]) | |
261 | ],[ | |
262 | ZFS_LINUX_TEST_ERROR([xattr set()]) | |
263 | ]) | |
4967a3eb | 264 | ]) |
61d482f7 | 265 | ]) |
f9637c6c BB |
266 | ]) |
267 | ]) | |
023699cd MM |
268 | |
269 | dnl # | |
4967a3eb | 270 | dnl # Supported xattr handler list() interfaces checked newest to oldest. |
61d482f7 | 271 | dnl # |
608f8749 BB |
272 | AC_DEFUN([ZFS_AC_KERNEL_SRC_XATTR_HANDLER_LIST], [ |
273 | ZFS_LINUX_TEST_SRC([xattr_handler_list_simple], [ | |
023699cd MM |
274 | #include <linux/xattr.h> |
275 | ||
4967a3eb | 276 | bool list(struct dentry *dentry) { return 0; } |
023699cd MM |
277 | static const struct xattr_handler |
278 | xops __attribute__ ((unused)) = { | |
279 | .list = list, | |
280 | }; | |
608f8749 BB |
281 | ],[]) |
282 | ||
283 | ZFS_LINUX_TEST_SRC([xattr_handler_list_xattr_handler], [ | |
284 | #include <linux/xattr.h> | |
285 | ||
286 | size_t list(const struct xattr_handler *handler, | |
287 | struct dentry *dentry, char *list, size_t list_size, | |
288 | const char *name, size_t name_len) { return 0; } | |
289 | static const struct xattr_handler | |
290 | xops __attribute__ ((unused)) = { | |
291 | .list = list, | |
292 | }; | |
293 | ],[]) | |
294 | ||
295 | ZFS_LINUX_TEST_SRC([xattr_handler_list_dentry], [ | |
296 | #include <linux/xattr.h> | |
297 | ||
298 | size_t list(struct dentry *dentry, | |
299 | char *list, size_t list_size, | |
300 | const char *name, size_t name_len, | |
301 | int handler_flags) { return 0; } | |
302 | static const struct xattr_handler | |
303 | xops __attribute__ ((unused)) = { | |
304 | .list = list, | |
305 | }; | |
306 | ],[]) | |
608f8749 BB |
307 | ]) |
308 | ||
309 | AC_DEFUN([ZFS_AC_KERNEL_XATTR_HANDLER_LIST], [ | |
310 | dnl # 4.5 API change, | |
311 | dnl # The xattr_handler->list() callback was changed to take only a | |
312 | dnl # dentry and it only needs to return if it's accessible. | |
313 | AC_MSG_CHECKING([whether xattr_handler->list() wants simple]) | |
314 | ZFS_LINUX_TEST_RESULT([xattr_handler_list_simple], [ | |
023699cd | 315 | AC_MSG_RESULT(yes) |
4967a3eb BB |
316 | AC_DEFINE(HAVE_XATTR_LIST_SIMPLE, 1, |
317 | [xattr_handler->list() wants simple]) | |
023699cd | 318 | ],[ |
4967a3eb BB |
319 | dnl # |
320 | dnl # 4.4 API change, | |
321 | dnl # The xattr_handler->list() callback was changed to take a | |
322 | dnl # xattr_handler, and handler_flags argument was removed | |
323 | dnl # and should be accessed by handler->flags. | |
324 | dnl # | |
023699cd | 325 | AC_MSG_RESULT(no) |
4967a3eb BB |
326 | AC_MSG_CHECKING( |
327 | [whether xattr_handler->list() wants xattr_handler]) | |
608f8749 | 328 | ZFS_LINUX_TEST_RESULT([xattr_handler_list_xattr_handler], [ |
61d482f7 | 329 | AC_MSG_RESULT(yes) |
4967a3eb | 330 | AC_DEFINE(HAVE_XATTR_LIST_HANDLER, 1, |
61d482f7 CC |
331 | [xattr_handler->list() wants xattr_handler]) |
332 | ],[ | |
4967a3eb BB |
333 | dnl # |
334 | dnl # 2.6.33 API change, | |
335 | dnl # The xattr_handler->list() callback was changed | |
336 | dnl # to take a dentry instead of an inode, and a | |
337 | dnl # handler_flags argument was added. | |
338 | dnl # | |
61d482f7 | 339 | AC_MSG_RESULT(no) |
4967a3eb BB |
340 | AC_MSG_CHECKING( |
341 | [whether xattr_handler->list() wants dentry]) | |
608f8749 | 342 | ZFS_LINUX_TEST_RESULT([xattr_handler_list_dentry], [ |
4967a3eb BB |
343 | AC_MSG_RESULT(yes) |
344 | AC_DEFINE(HAVE_XATTR_LIST_DENTRY, 1, | |
345 | [xattr_handler->list() wants dentry]) | |
346 | ],[ | |
066e8252 | 347 | ZFS_LINUX_TEST_ERROR([xattr list()]) |
4967a3eb | 348 | ]) |
61d482f7 | 349 | ]) |
023699cd MM |
350 | ]) |
351 | ]) | |
352 | ||
353 | dnl # | |
354 | dnl # 3.7 API change, | |
355 | dnl # The posix_acl_{from,to}_xattr functions gained a new | |
356 | dnl # parameter: user_ns | |
357 | dnl # | |
608f8749 BB |
358 | AC_DEFUN([ZFS_AC_KERNEL_SRC_POSIX_ACL_FROM_XATTR_USERNS], [ |
359 | ZFS_LINUX_TEST_SRC([posix_acl_from_xattr_userns], [ | |
023699cd MM |
360 | #include <linux/cred.h> |
361 | #include <linux/fs.h> | |
362 | #include <linux/posix_acl_xattr.h> | |
363 | ],[ | |
364 | posix_acl_from_xattr(&init_user_ns, NULL, 0); | |
608f8749 BB |
365 | ]) |
366 | ]) | |
367 | ||
368 | AC_DEFUN([ZFS_AC_KERNEL_POSIX_ACL_FROM_XATTR_USERNS], [ | |
369 | AC_MSG_CHECKING([whether posix_acl_from_xattr() needs user_ns]) | |
370 | ZFS_LINUX_TEST_RESULT([posix_acl_from_xattr_userns], [ | |
023699cd MM |
371 | AC_MSG_RESULT(yes) |
372 | AC_DEFINE(HAVE_POSIX_ACL_FROM_XATTR_USERNS, 1, | |
373 | [posix_acl_from_xattr() needs user_ns]) | |
374 | ],[ | |
066e8252 | 375 | ZFS_LINUX_TEST_ERROR([posix_acl_from_xattr()]) |
023699cd MM |
376 | ]) |
377 | ]) | |
378 | ||
608f8749 BB |
379 | dnl # |
380 | dnl # 4.9 API change, | |
381 | dnl # iops->{set,get,remove}xattr and generic_{set,get,remove}xattr are | |
382 | dnl # removed. xattr operations will directly go through sb->s_xattr. | |
383 | dnl # | |
384 | AC_DEFUN([ZFS_AC_KERNEL_SRC_GENERIC_SETXATTR], [ | |
385 | ZFS_LINUX_TEST_SRC([have_generic_setxattr], [ | |
386 | #include <linux/fs.h> | |
387 | #include <linux/xattr.h> | |
388 | ||
389 | static const struct inode_operations | |
390 | iops __attribute__ ((unused)) = { | |
391 | .setxattr = generic_setxattr | |
392 | }; | |
393 | ],[]) | |
394 | ]) | |
395 | ||
396 | AC_DEFUN([ZFS_AC_KERNEL_GENERIC_SETXATTR], [ | |
397 | AC_MSG_CHECKING([whether generic_setxattr() exists]) | |
398 | ZFS_LINUX_TEST_RESULT([have_generic_setxattr], [ | |
399 | AC_MSG_RESULT(yes) | |
400 | AC_DEFINE(HAVE_GENERIC_SETXATTR, 1, | |
401 | [generic_setxattr() exists]) | |
402 | ],[ | |
403 | AC_MSG_RESULT(no) | |
404 | ]) | |
405 | ]) | |
406 | ||
407 | AC_DEFUN([ZFS_AC_KERNEL_SRC_XATTR], [ | |
408 | ZFS_AC_KERNEL_SRC_CONST_XATTR_HANDLER | |
409 | ZFS_AC_KERNEL_SRC_XATTR_HANDLER_NAME | |
410 | ZFS_AC_KERNEL_SRC_XATTR_HANDLER_GET | |
411 | ZFS_AC_KERNEL_SRC_XATTR_HANDLER_SET | |
412 | ZFS_AC_KERNEL_SRC_XATTR_HANDLER_LIST | |
413 | ZFS_AC_KERNEL_SRC_POSIX_ACL_FROM_XATTR_USERNS | |
414 | ZFS_AC_KERNEL_SRC_GENERIC_SETXATTR | |
415 | ]) | |
416 | ||
417 | AC_DEFUN([ZFS_AC_KERNEL_XATTR], [ | |
418 | ZFS_AC_KERNEL_CONST_XATTR_HANDLER | |
419 | ZFS_AC_KERNEL_XATTR_HANDLER_NAME | |
420 | ZFS_AC_KERNEL_XATTR_HANDLER_GET | |
421 | ZFS_AC_KERNEL_XATTR_HANDLER_SET | |
422 | ZFS_AC_KERNEL_XATTR_HANDLER_LIST | |
423 | ZFS_AC_KERNEL_POSIX_ACL_FROM_XATTR_USERNS | |
424 | ZFS_AC_KERNEL_GENERIC_SETXATTR | |
425 | ]) |