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c9e8d0e0b5
Sponsored-by: https://despairlabs.com/sponsor/ Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Reviewed-by: Tino Reichardt <milky-zfs@mcmilk.de> Signed-off-by: Rob Norris <robn@despairlabs.com> Closes #16479
40 lines
1.0 KiB
Plaintext
40 lines
1.0 KiB
Plaintext
dnl #
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dnl # Supported symlink APIs
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_PUT_LINK], [
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ZFS_LINUX_TEST_SRC([put_link_cookie], [
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#include <linux/fs.h>
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static void put_link(struct inode *ip, void *cookie)
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{ return; }
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static struct inode_operations
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iops __attribute__ ((unused)) = {
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.put_link = put_link,
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};
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],[])
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])
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AC_DEFUN([ZFS_AC_KERNEL_PUT_LINK], [
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dnl #
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dnl # 4.5 API change
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dnl # get_link() uses delayed done, there is no put_link() interface.
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dnl # This check initially uses the inode_operations_get_link result
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dnl #
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ZFS_LINUX_TEST_RESULT([inode_operations_get_link], [
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AC_DEFINE(HAVE_PUT_LINK_DELAYED, 1, [iops->put_link() delayed])
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],[
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dnl #
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dnl # 4.2 API change
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dnl # This kernel retired the nameidata structure.
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dnl #
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AC_MSG_CHECKING([whether iops->put_link() passes cookie])
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ZFS_LINUX_TEST_RESULT([put_link_cookie], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_PUT_LINK_COOKIE, 1,
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[iops->put_link() cookie])
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],[
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AC_MSG_RESULT(no)
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ZFS_LINUX_TEST_ERROR([put_link])
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])
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])
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])
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