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The vmtruncate_range() support has been removed from the kernel in favor of using the fallocate method in the file_operations table. Signed-off-by: Richard Yao <ryao@cs.stonybrook.edu> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Issue #784
25 lines
715 B
Plaintext
25 lines
715 B
Plaintext
dnl #
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dnl # 3.5.0 API change
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dnl # torvalds/linux@17cf28afea2a1112f240a3a2da8af883be024811 removed
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dnl # truncate_range(). The file hole punching functionality is now
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dnl # provided by fallocate()
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_TRUNCATE_RANGE], [
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AC_MSG_CHECKING([whether iops->truncate_range() exists])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/fs.h>
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void truncate_range(struct inode *inode, loff_t start,
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loff_t end) { return; }
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static struct inode_operations iops __attribute__ ((unused)) = {
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.truncate_range = truncate_range,
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};
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],[
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_INODE_TRUNCATE_RANGE, 1,
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[iops->truncate_range() exists])
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],[
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AC_MSG_RESULT(no)
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])
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])
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