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[PATCH] mark struct file_operations const 7

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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 <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Arjan van de Ven 2007-02-12 00:55:35 -08:00 • committed by Linus Torvalds
commit 9a32144e9d
53 changed files with 86 additions and 86 deletions
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2
net/appletalk/aarp.c
View file

@ -1048,7 +1048,7 @@ out_kfree:
goto out;
}
struct file_operations atalk_seq_arp_fops = {
const struct file_operations atalk_seq_arp_fops = {
.owner = THIS_MODULE,
.open = aarp_seq_open,
.read = seq_read,

6
net/appletalk/atalk_proc.c
View file

@ -240,7 +240,7 @@ static int atalk_seq_socket_open(struct inode *inode, struct file *file)
return seq_open(file, &atalk_seq_socket_ops);
}
static struct file_operations atalk_seq_interface_fops = {
static const struct file_operations atalk_seq_interface_fops = {
.owner = THIS_MODULE,
.open = atalk_seq_interface_open,
.read = seq_read,
@ -248,7 +248,7 @@ static struct file_operations atalk_seq_interface_fops = {
.release = seq_release,
};
static struct file_operations atalk_seq_route_fops = {
static const struct file_operations atalk_seq_route_fops = {
.owner = THIS_MODULE,
.open = atalk_seq_route_open,
.read = seq_read,
@ -256,7 +256,7 @@ static struct file_operations atalk_seq_route_fops = {
.release = seq_release,
};
static struct file_operations atalk_seq_socket_fops = {
static const struct file_operations atalk_seq_socket_fops = {
.owner = THIS_MODULE,
.open = atalk_seq_socket_open,
.read = seq_read,