diff options
| author | Chunwei Chen <[email protected]> | 2016-10-18 17:30:41 -0700 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2016-10-20 09:33:28 -0700 |
| commit | ae7eda1dde8aebc298a013254dcd90f7fa42171a (patch) | |
| tree | 56167dff16e601f6255616467f310ca23fc74b02 /config | |
| parent | 87063d7dc392cb710c70dba49021d6e4ec8961a9 (diff) | |
Linux 4.9 compat: group_info changes
In Linux 4.9, torvalds/linux@81243ea, group_info changed from 2d array via
->blocks to 1d array via ->gid. We change the spl cred functions accordingly.
Reviewed-by: Brian Behlendorf <[email protected]>
Signed-off-by: Chunwei Chen <[email protected]>
Closes #581
Diffstat (limited to 'config')
| -rw-r--r-- | config/spl-build.m4 | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/config/spl-build.m4 b/config/spl-build.m4 index 94e692a8b..7e2e7a0a9 100644 --- a/config/spl-build.m4 +++ b/config/spl-build.m4 @@ -49,6 +49,7 @@ AC_DEFUN([SPL_AC_CONFIG_KERNEL], [ SPL_AC_WAIT_ON_BIT SPL_AC_MUTEX_OWNER SPL_AC_INODE_LOCK + SPL_AC_GROUP_INFO_GID ]) AC_DEFUN([SPL_AC_MODULE_SYMVERS], [ @@ -1574,3 +1575,25 @@ AC_DEFUN([SPL_AC_INODE_LOCK], [ ]) EXTRA_KCFLAGS="$tmp_flags" ]) + +dnl # +dnl # 4.9 API change +dnl # group_info changed from 2d array via >blocks to 1d array via ->gid +dnl # +AC_DEFUN([SPL_AC_GROUP_INFO_GID], [ + AC_MSG_CHECKING([whether group_info->gid exists]) + tmp_flags="$EXTRA_KCFLAGS" + EXTRA_KCFLAGS="-Werror" + SPL_LINUX_TRY_COMPILE([ + #include <linux/cred.h> + ],[ + struct group_info *gi = groups_alloc(1); + gi->gid[0] = KGIDT_INIT(0); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_GROUP_INFO_GID, 1, [group_info->gid exists]) + ],[ + AC_MSG_RESULT(no) + ]) + EXTRA_KCFLAGS="$tmp_flags" +]) |