[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>

1 files changed, 3 insertions, 3 deletions

diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index ccb199e9dd8b..ae68a691e8cd 100644
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -79,7 +79,7 @@ static int sockstat_seq_open(struct inode *inode, struct file *file)
         return single_open(file, sockstat_seq_show, NULL);
 }
 
-static struct file_operations sockstat_seq_fops = {
+static const struct file_operations sockstat_seq_fops = {
         .owner   = THIS_MODULE,
         .open    = sockstat_seq_open,
         .read    = seq_read,
@@ -326,7 +326,7 @@ static int snmp_seq_open(struct inode *inode, struct file *file)
         return single_open(file, snmp_seq_show, NULL);
 }
 
-static struct file_operations snmp_seq_fops = {
+static const struct file_operations snmp_seq_fops = {
         .owner   = THIS_MODULE,
         .open    = snmp_seq_open,
         .read    = seq_read,
@@ -360,7 +360,7 @@ static int netstat_seq_open(struct inode *inode, struct file *file)
         return single_open(file, netstat_seq_show, NULL);
 }
 
-static struct file_operations netstat_seq_fops = {
+static const struct file_operations netstat_seq_fops = {
         .owner   = THIS_MODULE,
         .open    = netstat_seq_open,
         .read    = seq_read,