[PATCH] mark struct file_operations const 7
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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committed by
Linus Torvalds
parent
00977a59b9
commit
9a32144e9d
@@ -240,7 +240,7 @@ static int atalk_seq_socket_open(struct inode *inode, struct file *file)
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return seq_open(file, &atalk_seq_socket_ops);
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}
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static struct file_operations atalk_seq_interface_fops = {
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static const struct file_operations atalk_seq_interface_fops = {
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.owner = THIS_MODULE,
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.open = atalk_seq_interface_open,
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.read = seq_read,
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@@ -248,7 +248,7 @@ static struct file_operations atalk_seq_interface_fops = {
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.release = seq_release,
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};
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static struct file_operations atalk_seq_route_fops = {
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static const struct file_operations atalk_seq_route_fops = {
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.owner = THIS_MODULE,
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.open = atalk_seq_route_open,
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.read = seq_read,
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@@ -256,7 +256,7 @@ static struct file_operations atalk_seq_route_fops = {
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.release = seq_release,
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};
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static struct file_operations atalk_seq_socket_fops = {
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static const struct file_operations atalk_seq_socket_fops = {
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.owner = THIS_MODULE,
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.open = atalk_seq_socket_open,
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.read = seq_read,
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