[PATCH] mark struct file_operations const 6
Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Linus Torvalds
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@ -166,7 +166,7 @@ static long d7s_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
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return error;
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}
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static struct file_operations d7s_fops = {
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static const struct file_operations d7s_fops = {
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.owner = THIS_MODULE,
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.unlocked_ioctl = d7s_ioctl,
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.compat_ioctl = d7s_ioctl,
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