On 5/25/20 5:49 AM, Stephen Rothwell wrote:
> Hi all,
>
> Changes since 20200522:
>
on i386:
../fs/io_uring.c:500:26: error: field ‘wpq’ has incomplete type
struct wait_page_queue wpq;
^~~
In file included from ../include/linux/export.h:43:0,
from ../include/linux/linkage.h:7,
from ../include/linux/kernel.h:8,
from ../fs/io_uring.c:42:
../fs/io_uring.c: In function ‘io_async_buf_func’:
../include/linux/kernel.h:1003:51: error: dereferencing pointer to incomplete type ‘struct wait_page_queue’
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^
../include/linux/compiler.h:372:9: note: in definition of macro ‘__compiletime_assert’
if (!(condition)) \
^~~~~~~~~
../include/linux/compiler.h:392:2: note: in expansion of macro ‘_compiletime_assert’
_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
^~~~~~~~~~~~~~~~~~~
../include/linux/build_bug.h:39:37: note: in expansion of macro ‘compiletime_assert’
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
../include/linux/kernel.h:1003:2: note: in expansion of macro ‘BUILD_BUG_ON_MSG’
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^~~~~~~~~~~~~~~~
../include/linux/kernel.h:1003:20: note: in expansion of macro ‘__same_type’
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^~~~~~~~~~~
../fs/io_uring.c:2618:8: note: in expansion of macro ‘container_of’
wpq = container_of(wait, struct wait_page_queue, wait);
^~~~~~~~~~~~
In file included from <command-line>:0:0:
./../include/linux/compiler_types.h:133:35: error: invalid use of undefined type ‘struct wait_page_queue’
#define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
^
../include/linux/stddef.h:17:32: note: in expansion of macro ‘__compiler_offsetof’
#define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
^~~~~~~~~~~~~~~~~~~
../include/linux/kernel.h:1006:21: note: in expansion of macro ‘offsetof’
((type *)(__mptr - offsetof(type, member))); })
^~~~~~~~
../fs/io_uring.c:2618:8: note: in expansion of macro ‘container_of’
wpq = container_of(wait, struct wait_page_queue, wait);
^~~~~~~~~~~~
../fs/io_uring.c:2620:8: error: implicit declaration of function ‘wake_page_match’; did you mean ‘huge_page_mask’? [-Werror=implicit-function-declaration]
ret = wake_page_match(wpq, key);
^~~~~~~~~~~~~~~
huge_page_mask
AR sound/pci/ac97/built-in.a
../fs/io_uring.c: In function ‘io_rw_should_retry’:
../fs/io_uring.c:2667:8: error: implicit declaration of function ‘kiocb_wait_page_queue_init’; did you mean ‘pgdat_page_ext_init’? [-Werror=implicit-function-declaration]
ret = kiocb_wait_page_queue_init(kiocb, &req->io->rw.wpq,
^~~~~~~~~~~~~~~~~~~~~~~~~~
pgdat_page_ext_init
--
~Randy
Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
