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3b4f425a5a
We need inode_owner_or_capable() for ZFS file attributes in addition to xattrs, so it should go into its own file. This moves it into its own file and changes it to be more comprehensive. It will now fail if no known good API is detected. Signed-off-by: Richard Yao <ryao@gentoo.org> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Issue #1691
37 lines
987 B
Plaintext
37 lines
987 B
Plaintext
dnl #
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dnl # 2.6.39 API change,
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dnl # The is_owner_or_cap() macro was renamed to inode_owner_or_capable(),
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dnl # This is used for permission checks in the xattr and file attribute call
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dnl # paths.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_INODE_OWNER_OR_CAPABLE], [
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AC_MSG_CHECKING([whether inode_owner_or_capable() exists])
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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) inode_owner_or_capable(ip);
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_INODE_OWNER_OR_CAPABLE, 1,
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[inode_owner_or_capable() exists])
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],[
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING([whether is_owner_or_cap() exists])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/fs.h>
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#include <linux/sched.h>
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],[
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struct inode *ip = NULL;
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(void) is_owner_or_cap(ip);
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_IS_OWNER_OR_CAP, 1,
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[is_owner_or_cap() exists])
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],[
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AC_MSG_ERROR(no - Please file a bug report at
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https://github.com/zfsonlinux/zfs/issues/new)
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])
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])
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])
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