23 lines
570 B
Text
23 lines
570 B
Text
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dnl #
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dnl # 3.5 API change,
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dnl # Since usernamespaces were introduced in kernel version 3.5, it
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dnl # became necessary to go through one more level of indirection
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dnl # when dealing with uid/gid - namely the kuid type.
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dnl #
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_KUID_HELPERS], [
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AC_MSG_CHECKING([whether i_(uid|gid)_(read|write) exist])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/fs.h>
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],[
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struct inode *ip = NULL;
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(void) i_uid_read(ip);
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_KUID_HELPERS, 1,
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[i_(uid|gid)_(read|write) exist])
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],[
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AC_MSG_RESULT(no)
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])
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])
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