[PATCH] mark struct file_operations const 8

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/sctp/proc.c b/net/sctp/proc.c
index e93fc1cc430a..2f12bf2d8d3c 100644
--- a/net/sctp/proc.c
+++ b/net/sctp/proc.c
@@ -114,7 +114,7 @@ static int sctp_snmp_seq_open(struct inode *inode, struct file *file)
         return single_open(file, sctp_snmp_seq_show, NULL);
 }
 
-static struct file_operations sctp_snmp_seq_fops = {
+static const struct file_operations sctp_snmp_seq_fops = {
         .owner   = THIS_MODULE,
         .open    = sctp_snmp_seq_open,
         .read    = seq_read,
@@ -264,7 +264,7 @@ static int sctp_eps_seq_open(struct inode *inode, struct file *file)
         return seq_open(file, &sctp_eps_ops);
 }
 
-static struct file_operations sctp_eps_seq_fops = {
+static const struct file_operations sctp_eps_seq_fops = {
         .open    = sctp_eps_seq_open,
         .read    = seq_read,
         .llseek  = seq_lseek,
@@ -374,7 +374,7 @@ static int sctp_assocs_seq_open(struct inode *inode, struct file *file)
         return seq_open(file, &sctp_assoc_ops);
 }
 
-static struct file_operations sctp_assocs_seq_fops = {
+static const struct file_operations sctp_assocs_seq_fops = {
         .open    = sctp_assocs_seq_open,
         .read    = seq_read,
         .llseek  = seq_lseek,