diff options
Diffstat (limited to 'config/kernel-mkdir.m4')
| -rw-r--r-- | config/kernel-mkdir.m4 | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/config/kernel-mkdir.m4 b/config/kernel-mkdir.m4 new file mode 100644 index 000000000000..a162bcd880ff --- /dev/null +++ b/config/kernel-mkdir.m4 @@ -0,0 +1,65 @@ +dnl # +dnl # Supported mkdir() interfaces checked newest to oldest. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_SRC_MKDIR], [ + dnl # + dnl # 5.12 API change + dnl # The struct user_namespace arg was added as the first argument to + dnl # mkdir() + dnl # + ZFS_LINUX_TEST_SRC([mkdir_user_namespace], [ + #include <linux/fs.h> + + int mkdir(struct user_namespace *userns, + struct inode *inode, struct dentry *dentry, + umode_t umode) { return 0; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .mkdir = mkdir, + }; + ],[]) + + dnl # + dnl # 3.3 API change + dnl # The VFS .create, .mkdir and .mknod callbacks were updated to take a + dnl # umode_t type rather than an int. The expectation is that any backport + dnl # would also change all three prototypes. However, if it turns out that + dnl # some distribution doesn't backport the whole thing this could be + dnl # broken apart into three separate checks. + dnl # + ZFS_LINUX_TEST_SRC([inode_operations_mkdir], [ + #include <linux/fs.h> + + int mkdir(struct inode *inode, struct dentry *dentry, + umode_t umode) { return 0; } + + static const struct inode_operations + iops __attribute__ ((unused)) = { + .mkdir = mkdir, + }; + ],[]) +]) + +AC_DEFUN([ZFS_AC_KERNEL_MKDIR], [ + dnl # + dnl # 5.12 API change + dnl # The struct user_namespace arg was added as the first argument to + dnl # mkdir() of the iops structure. + dnl # + AC_MSG_CHECKING([whether iops->mkdir() takes struct user_namespace*]) + ZFS_LINUX_TEST_RESULT([mkdir_user_namespace], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_IOPS_MKDIR_USERNS, 1, + [iops->mkdir() takes struct user_namespace*]) + ],[ + AC_MSG_CHECKING([whether iops->mkdir() takes umode_t]) + ZFS_LINUX_TEST_RESULT([inode_operations_mkdir], [ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_MKDIR_UMODE_T, 1, + [iops->mkdir() takes umode_t]) + ],[ + ZFS_LINUX_TEST_ERROR([mkdir()]) + ]) + ]) +]) |