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Linux 4.16 compat: inode_set_iversion()
A new interface was added to manipulate the version field of an inode. Add a inode_set_iversion() wrapper for older kernels and use the new interface when available. The i_version field was dropped from the trace point due to the switch to an atomic64_t i_version type. Reviewed-by: Olaf Faaland <[email protected]> Reviewed-by: Giuseppe Di Natale <[email protected]> Reviewed-by: Chunwei Chen <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes openzfs#7148
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,19 @@ | ||
dnl # | ||
dnl # 4.16 API change | ||
dnl # inode_set_iversion introduced to set i_version | ||
dnl # | ||
AC_DEFUN([ZFS_AC_KERNEL_INODE_SET_IVERSION], [ | ||
AC_MSG_CHECKING([whether inode_set_iversion() exists]) | ||
ZFS_LINUX_TRY_COMPILE([ | ||
#include <linux/iversion.h> | ||
],[ | ||
struct inode inode; | ||
inode_set_iversion(&inode, 1); | ||
],[ | ||
AC_MSG_RESULT(yes) | ||
AC_DEFINE(HAVE_INODE_SET_IVERSION, 1, | ||
[inode_set_iversion() exists]) | ||
],[ | ||
AC_MSG_RESULT(no) | ||
]) | ||
]) |
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