projects / mirror_zfs-debian.git / blame
| Commit | Line | Data |
|---|---|---|
| e10b0808 AX |
1 | dnl # |
| 2 | dnl # 3.19 API addition | |
| 3 | dnl # | |
| 4 | dnl # torvalds/linux@394ffa503bc40e32d7f54a9b817264e81ce131b4 allows us to | |
| 5 | dnl # increment iostat counters without generic_make_request(). | |
| 6 | dnl # | |
| cae5b340 AX |
7 | AC_DEFUN([ZFS_AC_KERNEL_GENERIC_IO_ACCT_3ARG], [ |
| 8 | AC_MSG_CHECKING([whether 3 arg generic IO accounting symbols are available]) | |
| e10b0808 AX |
9 | ZFS_LINUX_TRY_COMPILE_SYMBOL([ |
| 10 | #include <linux/bio.h> | |
| 11 | ||
| 12 | void (*generic_start_io_acct_f)(int, unsigned long, | |
| 13 | struct hd_struct *) = &generic_start_io_acct; | |
| 14 | void (*generic_end_io_acct_f)(int, struct hd_struct *, | |
| 15 | unsigned long) = &generic_end_io_acct; | |
| 16 | ], [ | |
| 17 | generic_start_io_acct(0, 0, NULL); | |
| 18 | generic_end_io_acct(0, NULL, 0); | |
| 19 | ], [generic_start_io_acct], [block/bio.c], [ | |
| 20 | AC_MSG_RESULT(yes) | |
| cae5b340 AX |
21 | AC_DEFINE(HAVE_GENERIC_IO_ACCT_3ARG, 1, |
| 22 | [generic_start_io_acct()/generic_end_io_acct() available]) | |
| 23 | ], [ | |
| 24 | AC_MSG_RESULT(no) | |
| 25 | ]) | |
| 26 | ]) | |
| 27 | ||
| 28 | dnl # | |
| 29 | dnl # Linux 4.14 API, | |
| 30 | dnl # | |
| 31 | dnl # generic_start_io_acct/generic_end_io_acct now require request_queue to be | |
| 32 | dnl # provided. No functional changes, but preparation for inflight accounting | |
| 33 | dnl # | |
| 34 | AC_DEFUN([ZFS_AC_KERNEL_GENERIC_IO_ACCT_4ARG], [ | |
| 35 | AC_MSG_CHECKING([whether 4 arg generic IO accounting symbols are available]) | |
| 36 | ZFS_LINUX_TRY_COMPILE_SYMBOL([ | |
| 37 | #include <linux/bio.h> | |
| 38 | ||
| 39 | void (*generic_start_io_acct_f)(struct request_queue *, int, | |
| 40 | unsigned long, struct hd_struct *) = &generic_start_io_acct; | |
| 41 | void (*generic_end_io_acct_f)(struct request_queue *, int, | |
| 42 | struct hd_struct *, unsigned long) = &generic_end_io_acct; | |
| 43 | ], [ | |
| 44 | generic_start_io_acct(NULL, 0, 0, NULL); | |
| 45 | generic_end_io_acct(NULL, 0, NULL, 0); | |
| 46 | ], [generic_start_io_acct], [block/bio.c], [ | |
| 47 | AC_MSG_RESULT(yes) | |
| 48 | AC_DEFINE(HAVE_GENERIC_IO_ACCT_4ARG, 1, | |
| 49 | [generic_start_io_acct()/generic_end_io_acct() 4 arg available]) | |
| e10b0808 AX |
50 | ], [ |
| 51 | AC_MSG_RESULT(no) | |
| 52 | ]) | |
| 53 | ]) |