| dnl # |
| dnl # 4.3 API change |
| dnl # Error argument dropped from bio_endio in favor of newly introduced |
| dnl # bio->bi_error. This also replaces bio->bi_flags value BIO_UPTODATE. |
| dnl # Introduced by torvalds/linux@4246a0b63bd8f56a1469b12eafeb875b1041a451 |
| dnl # ("block: add a bi_error field to struct bio"). |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_BIO_END_IO_T_ARGS], [ |
| ZFS_LINUX_TEST_SRC([bio_end_io_t_args], [ |
| #include <linux/bio.h> |
| void wanted_end_io(struct bio *bio) { return; } |
| bio_end_io_t *end_io __attribute__ ((unused)) = wanted_end_io; |
| ], []) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_BIO_END_IO_T_ARGS], [ |
| AC_MSG_CHECKING([whether bio_end_io_t wants 1 arg]) |
| ZFS_LINUX_TEST_RESULT([bio_end_io_t_args], [ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_1ARG_BIO_END_IO_T, 1, |
| [bio_end_io_t wants 1 arg]) |
| ], [ |
| AC_MSG_RESULT(no) |
| ]) |
| ]) |
| |
| dnl # |
| dnl # 4.13 API change |
| dnl # The bio->bi_error field was replaced with bio->bi_status which is an |
| dnl # enum which describes all possible error types. |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_BIO_BI_STATUS], [ |
| ZFS_LINUX_TEST_SRC([bio_bi_status], [ |
| #include <linux/bio.h> |
| ], [ |
| struct bio bio __attribute__ ((unused)); |
| blk_status_t status __attribute__ ((unused)) = BLK_STS_OK; |
| bio.bi_status = status; |
| ]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_BIO_BI_STATUS], [ |
| AC_MSG_CHECKING([whether bio->bi_status exists]) |
| ZFS_LINUX_TEST_RESULT([bio_bi_status], [ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_BIO_BI_STATUS, 1, [bio->bi_status exists]) |
| ],[ |
| AC_MSG_RESULT(no) |
| ]) |
| ]) |