28 lines
648 B
Plaintext
28 lines
648 B
Plaintext
dnl #
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dnl # Linux 4.1.x API
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_VFS_RW_ITERATE],
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[AC_MSG_CHECKING([whether fops->read/write_iter() are available])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/fs.h>
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ssize_t test_read(struct kiocb *kiocb, struct iov_iter *to)
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{ return 0; }
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ssize_t test_write(struct kiocb *kiocb, struct iov_iter *from)
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{ return 0; }
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static const struct file_operations
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fops __attribute__ ((unused)) = {
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.read_iter = test_read,
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.write_iter = test_write,
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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_VFS_RW_ITERATE, 1,
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[fops->read/write_iter() are available])
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],[
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AC_MSG_RESULT(no)
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])
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])
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