diff options
Diffstat (limited to 'config/kernel-blk-queue-flush.m4')
| -rw-r--r-- | config/kernel-blk-queue-flush.m4 | 64 |
1 files changed, 24 insertions, 40 deletions
diff --git a/config/kernel-blk-queue-flush.m4 b/config/kernel-blk-queue-flush.m4 index 1baab83a4..b546d9400 100644 --- a/config/kernel-blk-queue-flush.m4 +++ b/config/kernel-blk-queue-flush.m4 @@ -9,35 +9,37 @@ dnl # there we implement our own compatibility function, otherwise dnl # we use the function. The hope is that long term this function dnl # will be opened up. dnl # -AC_DEFUN([ZFS_AC_KERNEL_BLK_QUEUE_FLUSH], [ - AC_MSG_CHECKING([whether blk_queue_flush() is available]) - tmp_flags="$EXTRA_KCFLAGS" - EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" - ZFS_LINUX_TRY_COMPILE([ +AC_DEFUN([ZFS_AC_KERNEL_SRC_BLK_QUEUE_FLUSH], [ + ZFS_LINUX_TEST_SRC([blk_queue_flush], [ #include <linux/blkdev.h> - ],[ + ], [ struct request_queue *q = NULL; (void) blk_queue_flush(q, REQ_FLUSH); - ],[ + ], [$NO_UNUSED_BUT_SET_VARIABLE], [$ZFS_META_LICENSE]) + + ZFS_LINUX_TEST_SRC([blk_queue_write_cache], [ + #include <linux/kernel.h> + #include <linux/blkdev.h> + ], [ + struct request_queue *q = NULL; + blk_queue_write_cache(q, true, true); + ], [$NO_UNUSED_BUT_SET_VARIABLE], [$ZFS_META_LICENSE]) +]) + +AC_DEFUN([ZFS_AC_KERNEL_BLK_QUEUE_FLUSH], [ + AC_MSG_CHECKING([whether blk_queue_flush() is available]) + ZFS_LINUX_TEST_RESULT([blk_queue_flush], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_BLK_QUEUE_FLUSH, 1, - [blk_queue_flush() is available]) + [blk_queue_flush() is available]) AC_MSG_CHECKING([whether blk_queue_flush() is GPL-only]) - ZFS_LINUX_TRY_COMPILE([ - #include <linux/module.h> - #include <linux/blkdev.h> - - MODULE_LICENSE("$ZFS_META_LICENSE"); - ],[ - struct request_queue *q = NULL; - (void) blk_queue_flush(q, REQ_FLUSH); - ],[ + ZFS_LINUX_TEST_RESULT([blk_queue_flush_license], [ AC_MSG_RESULT(no) ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_BLK_QUEUE_FLUSH_GPL_ONLY, 1, - [blk_queue_flush() is GPL-only]) + [blk_queue_flush() is GPL-only]) ]) ],[ AC_MSG_RESULT(no) @@ -48,38 +50,20 @@ AC_DEFUN([ZFS_AC_KERNEL_BLK_QUEUE_FLUSH], [ dnl # Replace blk_queue_flush with blk_queue_write_cache dnl # AC_MSG_CHECKING([whether blk_queue_write_cache() exists]) - ZFS_LINUX_TRY_COMPILE([ - #include <linux/kernel.h> - #include <linux/blkdev.h> - - ],[ - struct request_queue *q = NULL; - blk_queue_write_cache(q, true, true); - ],[ + ZFS_LINUX_TEST_RESULT([blk_queue_write_cache], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_BLK_QUEUE_WRITE_CACHE, 1, - [blk_queue_write_cache() exists]) + [blk_queue_write_cache() exists]) AC_MSG_CHECKING([whether blk_queue_write_cache() is GPL-only]) - ZFS_LINUX_TRY_COMPILE([ - #include <linux/kernel.h> - #include <linux/module.h> - #include <linux/blkdev.h> - - MODULE_LICENSE("$ZFS_META_LICENSE"); - ],[ - struct request_queue *q = NULL; - blk_queue_write_cache(q, true, true); - ],[ + ZFS_LINUX_TEST_RESULT([blk_queue_write_cache_license], [ AC_MSG_RESULT(no) ],[ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_BLK_QUEUE_WRITE_CACHE_GPL_ONLY, 1, - [blk_queue_write_cache() is GPL-only]) + [blk_queue_write_cache() is GPL-only]) ]) ],[ AC_MSG_RESULT(no) ]) - - EXTRA_KCFLAGS="$tmp_flags" ]) |