configure: add __kernel_rwf_t check

Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/configure b/configure
index 1f4e50b130b57c284373d17ab40631e9428cbe7e..c4fffd998c93ea23a5d957c58f1f959a442d88f6 100755 (executable)
--- a/configure
+++ b/configure
@@ -2295,6 +2295,23 @@ if compile_prog "" "-lcunit" "CUnit"; then
 fi
 print_config "CUnit" "$cunit"
 
+##########################################
+# check for __kernel_rwf_t
+__kernel_rwf_t="no"
+cat > $TMPC << EOF
+#include <linux/fs.h>
+int main(int argc, char **argv)
+{
+  __kernel_rwf_t x;
+  x = 0;
+  return x;
+}
+EOF
+if compile_prog "" "" "__kernel_rwf_t"; then
+  __kernel_rwf_t="yes"
+fi
+print_config "__kernel_rwf_t" "$__kernel_rwf_t"
+
 #############################################################################
 
 if test "$wordsize" = "64" ; then
@@ -2563,6 +2580,9 @@ fi
 if test "$cunit" = "yes" ; then
   output_sym "CONFIG_HAVE_CUNIT"
 fi
+if test "$__kernel_rwf_t" = "yes"; then
+  output_sym "CONFIG_HAVE_KERNEL_RWF_T"
+fi
 
 echo "LIBS+=$LIBS" >> $config_host_mak
 echo "GFIO_LIBS+=$GFIO_LIBS" >> $config_host_mak

diff --git a/engines/io_uring.c b/engines/io_uring.c
index 15a4d4753639ce3bf6ef73b1d752a491fc520129..e051086b524db52dc9b6754041666f56c73daee7 100644 (file)
--- a/engines/io_uring.c
+++ b/engines/io_uring.c
@@ -20,6 +20,7 @@
 
 #ifdef ARCH_HAVE_IOURING
 
+#include "../lib/types.h"
 #include "../os/io_uring.h"
 
 struct io_sq_ring {

diff --git a/lib/types.h b/lib/types.h
index 236bf8a3a8f4be7b56554ef0fef618f29c118be1..d92b064c25101f3858ee5a548edb2815b8c8bd22 100644 (file)
--- a/lib/types.h
+++ b/lib/types.h
@@ -13,4 +13,8 @@ typedef int bool;
 #include <stdbool.h> /* IWYU pragma: export */
 #endif
 
+#if !defined(CONFIG_HAVE_KERNEL_RWF_T)
+typedef int __kernel_rwf_t;
+#endif
+
 #endif

diff --git a/t/io_uring.c b/t/io_uring.c
index 4efc015d6fb0fb6bca8a8916bf39cfbe4fc3ffec..6405536006ce3ff7386d6da26137196b2c770ca0 100644 (file)
--- a/t/io_uring.c
+++ b/t/io_uring.c
@@ -21,6 +21,7 @@
 #include <sched.h>
 
 #include "../arch/arch.h"
+#include "../lib/types.h"
 #include "../os/io_uring.h"
 
 #define barrier()      __asm__ __volatile__("": : :"memory")