diff options
Diffstat (limited to 'config')
| -rw-r--r-- | config/kernel-blk-queue-flags.m4 | 38 | ||||
| -rw-r--r-- | config/kernel.m4 | 2 |
2 files changed, 40 insertions, 0 deletions
diff --git a/config/kernel-blk-queue-flags.m4 b/config/kernel-blk-queue-flags.m4 new file mode 100644 index 000000000..b570245c7 --- /dev/null +++ b/config/kernel-blk-queue-flags.m4 @@ -0,0 +1,38 @@ +dnl # +dnl # API change +dnl # https://github.com/torvalds/linux/commit/8814ce8 +dnl # Introduction of blk_queue_flag_set and blk_queue_flag_clear +dnl # + +AC_DEFUN([ZFS_AC_KERNEL_BLK_QUEUE_FLAG_SET], [ + AC_MSG_CHECKING([whether blk_queue_flag_set() exists]) + ZFS_LINUX_TRY_COMPILE([ + #include <linux/kernel.h> + #include <linux/blkdev.h> + ],[ + struct request_queue *q = NULL; + blk_queue_flag_set(0, q); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_BLK_QUEUE_FLAG_SET, 1, [blk_queue_flag_set() exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) + +AC_DEFUN([ZFS_AC_KERNEL_BLK_QUEUE_FLAG_CLEAR], [ + AC_MSG_CHECKING([whether blk_queue_flag_clear() exists]) + ZFS_LINUX_TRY_COMPILE([ + #include <linux/kernel.h> + #include <linux/blkdev.h> + ],[ + struct request_queue *q = NULL; + blk_queue_flag_clear(0, q); + ],[ + + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_BLK_QUEUE_FLAG_CLEAR, 1, [blk_queue_flag_clear() exists]) + ],[ + AC_MSG_RESULT(no) + ]) +]) diff --git a/config/kernel.m4 b/config/kernel.m4 index 1887b178c..59065ca08 100644 --- a/config/kernel.m4 +++ b/config/kernel.m4 @@ -36,6 +36,8 @@ AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [ ZFS_AC_KERNEL_BIO_RW_BARRIER ZFS_AC_KERNEL_BIO_RW_DISCARD ZFS_AC_KERNEL_BLK_QUEUE_BDI + ZFS_AC_KERNEL_BLK_QUEUE_FLAG_CLEAR + ZFS_AC_KERNEL_BLK_QUEUE_FLAG_SET ZFS_AC_KERNEL_BLK_QUEUE_FLUSH ZFS_AC_KERNEL_BLK_QUEUE_MAX_HW_SECTORS ZFS_AC_KERNEL_BLK_QUEUE_MAX_SEGMENTS |