projects / mirror_zfs-debian.git / blame
| Commit | Line | Data |
|---|---|---|
| c9c0d073 | 1 | dnl # |
| 675de5aa BB |
2 | dnl # Preferred interface for flagging a synchronous bio: |
| 3 | dnl # 2.6.12-2.6.29: BIO_RW_SYNC | |
| 4 | dnl # 2.6.30-2.6.35: BIO_RW_SYNCIO | |
| 5 | dnl # 2.6.36-2.6.xx: REQ_SYNC | |
| c9c0d073 | 6 | dnl # |
| 675de5aa BB |
7 | AC_DEFUN([ZFS_AC_KERNEL_BIO_RW_SYNC], [ |
| 8 | AC_MSG_CHECKING([whether BIO_RW_SYNC is defined]) | |
| 9 | ZFS_LINUX_TRY_COMPILE([ | |
| 10 | #include <linux/bio.h> | |
| 11 | ],[ | |
| 79713039 | 12 | int flags __attribute__ ((unused)); |
| 675de5aa BB |
13 | flags = BIO_RW_SYNC; |
| 14 | ],[ | |
| 15 | AC_MSG_RESULT(yes) | |
| 16 | AC_DEFINE(HAVE_BIO_RW_SYNC, 1, [BIO_RW_SYNC is defined]) | |
| 17 | ],[ | |
| 18 | AC_MSG_RESULT(no) | |
| 19 | ]) | |
| 20 | ]) | |
| 21 | ||
| c9c0d073 BB |
22 | AC_DEFUN([ZFS_AC_KERNEL_BIO_RW_SYNCIO], [ |
| 23 | AC_MSG_CHECKING([whether BIO_RW_SYNCIO is defined]) | |
| 24 | ZFS_LINUX_TRY_COMPILE([ | |
| 25 | #include <linux/bio.h> | |
| 26 | ],[ | |
| 79713039 | 27 | int flags __attribute__ ((unused)); |
| c9c0d073 BB |
28 | flags = BIO_RW_SYNCIO; |
| 29 | ],[ | |
| 30 | AC_MSG_RESULT(yes) | |
| 675de5aa BB |
31 | AC_DEFINE(HAVE_BIO_RW_SYNCIO, 1, [BIO_RW_SYNCIO is defined]) |
| 32 | ],[ | |
| 33 | AC_MSG_RESULT(no) | |
| 34 | ]) | |
| 35 | ]) | |
| 36 | ||
| 37 | AC_DEFUN([ZFS_AC_KERNEL_REQ_SYNC], [ | |
| 38 | AC_MSG_CHECKING([whether REQ_SYNC is defined]) | |
| 39 | ZFS_LINUX_TRY_COMPILE([ | |
| 40 | #include <linux/bio.h> | |
| 41 | ],[ | |
| 79713039 | 42 | int flags __attribute__ ((unused)); |
| 675de5aa BB |
43 | flags = REQ_SYNC; |
| 44 | ],[ | |
| 45 | AC_MSG_RESULT(yes) | |
| 46 | AC_DEFINE(HAVE_REQ_SYNC, 1, [REQ_SYNC is defined]) | |
| c9c0d073 BB |
47 | ],[ |
| 48 | AC_MSG_RESULT(no) | |
| 49 | ]) | |
| 50 | ]) |