[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>

45 files changed, 91 insertions, 91 deletions

diff --git a/drivers/sbus/char/bpp.c b/drivers/sbus/char/bpp.c
index ac7d125..a39ee80 100644
--- a/drivers/sbus/char/bpp.c
+++ b/drivers/sbus/char/bpp.c
@@ -846,7 +846,7 @@ static int bpp_ioctl(struct inode *inode, struct file *f, unsigned int cmd,
       return errno;
 }
 
-static struct file_operations bpp_fops = {
+static const struct file_operations bpp_fops = {
 	.owner =	THIS_MODULE,
 	.read =		bpp_read,
 	.write =	bpp_write,
diff --git a/drivers/sbus/char/cpwatchdog.c b/drivers/sbus/char/cpwatchdog.c
index ad1c7db..0cfd1e4 100644
--- a/drivers/sbus/char/cpwatchdog.c
+++ b/drivers/sbus/char/cpwatchdog.c
@@ -459,7 +459,7 @@ static irqreturn_t wd_interrupt(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-static struct file_operations wd_fops = {
+static const struct file_operations wd_fops = {
 	.owner =	THIS_MODULE,
 	.ioctl =	wd_ioctl,
 	.compat_ioctl =	wd_compat_ioctl,
diff --git a/drivers/sbus/char/display7seg.c b/drivers/sbus/char/display7seg.c
index a4909e0..2d14a29 100644
--- a/drivers/sbus/char/display7seg.c
+++ b/drivers/sbus/char/display7seg.c
@@ -166,7 +166,7 @@ static long d7s_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	return error;
 }
 
-static struct file_operations d7s_fops = {
+static const struct file_operations d7s_fops = {
 	.owner =		THIS_MODULE,
 	.unlocked_ioctl =	d7s_ioctl,
 	.compat_ioctl =		d7s_ioctl,
diff --git a/drivers/sbus/char/envctrl.c b/drivers/sbus/char/envctrl.c
index fff4660..2cea4f5 100644
--- a/drivers/sbus/char/envctrl.c
+++ b/drivers/sbus/char/envctrl.c
@@ -705,7 +705,7 @@ envctrl_release(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static struct file_operations envctrl_fops = {
+static const struct file_operations envctrl_fops = {
 	.owner =		THIS_MODULE,
 	.read =			envctrl_read,
 	.unlocked_ioctl =	envctrl_ioctl,
diff --git a/drivers/sbus/char/flash.c b/drivers/sbus/char/flash.c
index fa2418f..6e99507 100644
--- a/drivers/sbus/char/flash.c
+++ b/drivers/sbus/char/flash.c
@@ -142,7 +142,7 @@ flash_release(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static struct file_operations flash_fops = {
+static const struct file_operations flash_fops = {
 	/* no write to the Flash, use mmap
 	 * and play flash dependent tricks.
 	 */
diff --git a/drivers/sbus/char/jsflash.c b/drivers/sbus/char/jsflash.c
index 14631ac..512857a2 100644
--- a/drivers/sbus/char/jsflash.c
+++ b/drivers/sbus/char/jsflash.c
@@ -431,7 +431,7 @@ static int jsf_release(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static struct file_operations jsf_fops = {
+static const struct file_operations jsf_fops = {
 	.owner =	THIS_MODULE,
 	.llseek =	jsf_lseek,
 	.read =		jsf_read,
diff --git a/drivers/sbus/char/openprom.c b/drivers/sbus/char/openprom.c
index 4e2a0e2..e877623 100644
--- a/drivers/sbus/char/openprom.c
+++ b/drivers/sbus/char/openprom.c
@@ -704,7 +704,7 @@ static int openprom_release(struct inode * inode, struct file * file)
 	return 0;
 }
 
-static struct file_operations openprom_fops = {
+static const struct file_operations openprom_fops = {
 	.owner =	THIS_MODULE,
 	.llseek =	no_llseek,
 	.ioctl =	openprom_ioctl,
diff --git a/drivers/sbus/char/riowatchdog.c b/drivers/sbus/char/riowatchdog.c
index 2a9cc82..a2fc6b8 100644
--- a/drivers/sbus/char/riowatchdog.c
+++ b/drivers/sbus/char/riowatchdog.c
@@ -193,7 +193,7 @@ static ssize_t riowd_write(struct file *file, const char __user *buf, size_t cou
 	return 0;
 }
 
-static struct file_operations riowd_fops = {
+static const struct file_operations riowd_fops = {
 	.owner =	THIS_MODULE,
 	.ioctl =	riowd_ioctl,
 	.open =		riowd_open,
diff --git a/drivers/sbus/char/rtc.c b/drivers/sbus/char/rtc.c
index 9b988ba..94d1858 100644
--- a/drivers/sbus/char/rtc.c
+++ b/drivers/sbus/char/rtc.c
@@ -233,7 +233,7 @@ static int rtc_release(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static struct file_operations rtc_fops = {
+static const struct file_operations rtc_fops = {
 	.owner =	THIS_MODULE,
 	.llseek =	no_llseek,
 	.ioctl =	rtc_ioctl,
diff --git a/drivers/sbus/char/uctrl.c b/drivers/sbus/char/uctrl.c
index b30372f..4d1a505 100644
--- a/drivers/sbus/char/uctrl.c
+++ b/drivers/sbus/char/uctrl.c
@@ -224,7 +224,7 @@ static irqreturn_t uctrl_interrupt(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-static struct file_operations uctrl_fops = {
+static const struct file_operations uctrl_fops = {
 	.owner =	THIS_MODULE,
 	.llseek =	no_llseek,
 	.ioctl =	uctrl_ioctl,
diff --git a/drivers/sbus/char/vfc_dev.c b/drivers/sbus/char/vfc_dev.c
index 386e7de..37a04a0 100644
--- a/drivers/sbus/char/vfc_dev.c
+++ b/drivers/sbus/char/vfc_dev.c
@@ -44,7 +44,7 @@
 #include "vfc.h"
 #include <asm/vfc_ioctls.h>
 
-static struct file_operations vfc_fops;
+static const struct file_operations vfc_fops;
 struct vfc_dev **vfc_dev_lst;
 static char vfcstr[]="vfc";
 static unsigned char saa9051_init_array[VFC_SAA9051_NR] = {
@@ -633,7 +633,7 @@ static int vfc_mmap(struct file *file, struct vm_area_struct *vma)
 }
 
 
-static struct file_operations vfc_fops = {
+static const struct file_operations vfc_fops = {
 	.owner =	THIS_MODULE,
 	.llseek =	no_llseek,
 	.ioctl =	vfc_ioctl,
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index b091a0f..eb766c3 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -197,7 +197,7 @@ static struct class_device_attribute *twa_host_attrs[] = {
 };
 
 /* File operations struct for character device */
-static struct file_operations twa_fops = {
+static const struct file_operations twa_fops = {
 	.owner		= THIS_MODULE,
 	.ioctl		= twa_chrdev_ioctl,
 	.open		= twa_chrdev_open,
diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c
index e1b44d6..bf5d63e 100644
--- a/drivers/scsi/3w-xxxx.c
+++ b/drivers/scsi/3w-xxxx.c
@@ -1040,7 +1040,7 @@ static int tw_chrdev_open(struct inode *inode, struct file *file)
 } /* End tw_chrdev_open() */
 
 /* File operations struct for character device */
-static struct file_operations tw_fops = {
+static const struct file_operations tw_fops = {
 	.owner		= THIS_MODULE,
 	.ioctl		= tw_chrdev_ioctl,
 	.open		= tw_chrdev_open,
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index a9734e0..0f948c2 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -774,7 +774,7 @@ static struct class_device_attribute *aac_attrs[] = {
 };
 
 
-static struct file_operations aac_cfg_fops = {
+static const struct file_operations aac_cfg_fops = {
 	.owner		= THIS_MODULE,
 	.ioctl		= aac_cfg_ioctl,
 #ifdef CONFIG_COMPAT
diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c
index f6caa43..d02759f 100644
--- a/drivers/scsi/ch.c
+++ b/drivers/scsi/ch.c
@@ -129,7 +129,7 @@ static struct scsi_driver ch_template =
 	},
 };
 
-static struct file_operations changer_fops =
+static const struct file_operations changer_fops =
 {
 	.owner        = THIS_MODULE,
 	.open         = ch_open,
diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c
index 365db53..cd36e81 100644
--- a/drivers/scsi/dpt_i2o.c
+++ b/drivers/scsi/dpt_i2o.c
@@ -116,7 +116,7 @@ static int sys_tbl_len = 0;
 static adpt_hba* hba_chain = NULL;
 static int hba_count = 0;
 
-static struct file_operations adpt_fops = {
+static const struct file_operations adpt_fops = {
 	.ioctl		= adpt_ioctl,
 	.open		= adpt_open,
 	.release	= adpt_close
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c
index 4c698a7..a199292 100644
--- a/drivers/scsi/gdth.c
+++ b/drivers/scsi/gdth.c
@@ -687,7 +687,7 @@ MODULE_AUTHOR("Achim Leubner");
 MODULE_LICENSE("GPL");
 
 /* ioctl interface */
-static struct file_operations gdth_fops = {
+static const struct file_operations gdth_fops = {
     .ioctl   = gdth_ioctl,
     .open    = gdth_open,
     .release = gdth_close,
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 77d9d38..808a1b8 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -92,7 +92,7 @@ static struct mega_hbas mega_hbas[MAX_CONTROLLERS];
 /*
  * The File Operations structure for the serial/ioctl interface of the driver
  */
-static struct file_operations megadev_fops = {
+static const struct file_operations megadev_fops = {
 	.owner		= THIS_MODULE,
 	.ioctl		= megadev_ioctl,
 	.open		= megadev_open,
diff --git a/drivers/scsi/megaraid/megaraid_mm.c b/drivers/scsi/megaraid/megaraid_mm.c
index c1ff20c..f33a678 100644
--- a/drivers/scsi/megaraid/megaraid_mm.c
+++ b/drivers/scsi/megaraid/megaraid_mm.c
@@ -67,7 +67,7 @@ static struct list_head adapters_list_g;
 
 static wait_queue_head_t wait_q;
 
-static struct file_operations lsi_fops = {
+static const struct file_operations lsi_fops = {
 	.open	= mraid_mm_open,
 	.ioctl	= mraid_mm_ioctl,
 #ifdef CONFIG_COMPAT
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c
index b5bdd0d..15e24fc 100644
--- a/drivers/scsi/megaraid/megaraid_sas.c
+++ b/drivers/scsi/megaraid/megaraid_sas.c
@@ -2913,7 +2913,7 @@ megasas_mgmt_compat_ioctl(struct file *file, unsigned int cmd,
 /*
  * File operations structure for management interface
  */
-static struct file_operations megasas_mgmt_fops = {
+static const struct file_operations megasas_mgmt_fops = {
 	.owner = THIS_MODULE,
 	.open = megasas_mgmt_open,
 	.release = megasas_mgmt_release,
diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c
index bd6bbf6..9668b73 100644
--- a/drivers/scsi/osst.c
+++ b/drivers/scsi/osst.c
@@ -5522,7 +5522,7 @@ __setup("osst=", osst_setup);
 
 #endif
 
-static struct file_operations osst_fops = {
+static const struct file_operations osst_fops = {
 	.owner =        THIS_MODULE,
 	.read =         osst_read,
 	.write =        osst_write,
diff --git a/drivers/scsi/scsi_proc.c b/drivers/scsi/scsi_proc.c
index 524a5f7..69d6e9b 100644
--- a/drivers/scsi/scsi_proc.c
+++ b/drivers/scsi/scsi_proc.c
@@ -308,7 +308,7 @@ static int proc_scsi_open(struct inode *inode, struct file *file)
 	return single_open(file, proc_scsi_show, NULL);
 }
 
-static struct file_operations proc_scsi_operations = {
+static const struct file_operations proc_scsi_operations = {
 	.open		= proc_scsi_open,
 	.read		= seq_read,
 	.write		= proc_scsi_write,
diff --git a/drivers/scsi/scsi_tgt_if.c b/drivers/scsi/scsi_tgt_if.c
index 37bbfbd..f2344ab 100644
--- a/drivers/scsi/scsi_tgt_if.c
+++ b/drivers/scsi/scsi_tgt_if.c
@@ -280,7 +280,7 @@ static int tgt_open(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static struct file_operations tgt_fops = {
+static const struct file_operations tgt_fops = {
 	.owner		= THIS_MODULE,
 	.open		= tgt_open,
 	.poll		= tgt_poll,
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 16e279b..3d2e023 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -3864,7 +3864,7 @@ __setup("st=", st_setup);
 
 #endif
 
-static struct file_operations st_fops =
+static const struct file_operations st_fops =
 {
 	.owner =	THIS_MODULE,
 	.read =		st_read,
diff --git a/drivers/telephony/ixj.c b/drivers/telephony/ixj.c
index 58deaac..71cb64e 100644
--- a/drivers/telephony/ixj.c
+++ b/drivers/telephony/ixj.c
@@ -6663,7 +6663,7 @@ static int ixj_fasync(int fd, struct file *file_p, int mode)
 	return fasync_helper(fd, file_p, mode, &j->async_queue);
 }
 
-static struct file_operations ixj_fops =
+static const struct file_operations ixj_fops =
 {
         .owner          = THIS_MODULE,
         .read           = ixj_enhanced_read,
diff --git a/drivers/telephony/phonedev.c b/drivers/telephony/phonedev.c
index e41f49a..4d8c2a5 100644
--- a/drivers/telephony/phonedev.c
+++ b/drivers/telephony/phonedev.c
@@ -127,7 +127,7 @@ void phone_unregister_device(struct phone_device *pfd)
 }
 
 
-static struct file_operations phone_fops =
+static const struct file_operations phone_fops =
 {
 	.owner		= THIS_MODULE,
 	.open		= phone_open,
diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c
index af2934e..75bfab9 100644
--- a/drivers/usb/misc/adutux.c
+++ b/drivers/usb/misc/adutux.c
@@ -644,7 +644,7 @@ exit:
 }
 
 /* file operations needed when we register this driver */
-static struct file_operations adu_fops = {
+static const struct file_operations adu_fops = {
 	.owner = THIS_MODULE,
 	.read  = adu_read,
 	.write = adu_write,
diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c
index 41c0161..0c1d66d 100644
--- a/drivers/usb/misc/ftdi-elan.c
+++ b/drivers/usb/misc/ftdi-elan.c
@@ -1209,7 +1209,7 @@ error_1:
 	return retval;
 }
 
-static struct file_operations ftdi_elan_fops = {
+static const struct file_operations ftdi_elan_fops = {
         .owner = THIS_MODULE,
         .llseek = no_llseek,
         .ioctl = ftdi_elan_ioctl,
diff --git a/drivers/video/mbx/mbxdebugfs.c b/drivers/video/mbx/mbxdebugfs.c
index 472a3ca..15b8b3c4 100644
--- a/drivers/video/mbx/mbxdebugfs.c
+++ b/drivers/video/mbx/mbxdebugfs.c
@@ -170,37 +170,37 @@ static ssize_t misc_read_file(struct file *file, char __user *userbuf,
 }
 
 
-static struct file_operations sysconf_fops = {
+static const struct file_operations sysconf_fops = {
 	.read = sysconf_read_file,
 	.write = write_file_dummy,
 	.open = open_file_generic,
 };
 
-static struct file_operations clock_fops = {
+static const struct file_operations clock_fops = {
 	.read = clock_read_file,
 	.write = write_file_dummy,
 	.open = open_file_generic,
 };
 
-static struct file_operations display_fops = {
+static const struct file_operations display_fops = {
 	.read = display_read_file,
 	.write = write_file_dummy,
 	.open = open_file_generic,
 };
 
-static struct file_operations gsctl_fops = {
+static const struct file_operations gsctl_fops = {
 	.read = gsctl_read_file,
 	.write = write_file_dummy,
 	.open = open_file_generic,
 };
 
-static struct file_operations sdram_fops = {
+static const struct file_operations sdram_fops = {
 	.read = sdram_read_file,
 	.write = write_file_dummy,
 	.open = open_file_generic,
 };
 
-static struct file_operations misc_fops = {
+static const struct file_operations misc_fops = {
 	.read = misc_read_file,
 	.write = write_file_dummy,
 	.open = open_file_generic,
diff --git a/drivers/zorro/proc.c b/drivers/zorro/proc.c
index 60b05bc..b3ce885 100644
--- a/drivers/zorro/proc.c
+++ b/drivers/zorro/proc.c
@@ -75,7 +75,7 @@ proc_bus_zorro_read(struct file *file, char __user *buf, size_t nbytes, loff_t *
 	return nbytes;
 }
 
-static struct file_operations proc_bus_zorro_operations = {
+static const struct file_operations proc_bus_zorro_operations = {
 	.llseek		= proc_bus_zorro_lseek,
 	.read		= proc_bus_zorro_read,
 };
diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index bf3901a..8d130cc 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -254,7 +254,7 @@ static ssize_t read_file_blob(struct file *file, char __user *user_buf,
 			blob->size);
 }
 
-static struct file_operations fops_blob = {
+static const struct file_operations fops_blob = {
 	.read =		read_file_blob,
 	.open =		default_open,
 };
diff --git a/fs/dlm/debug_fs.c b/fs/dlm/debug_fs.c
index ca94a83..61ba670 100644
--- a/fs/dlm/debug_fs.c
+++ b/fs/dlm/debug_fs.c
@@ -287,7 +287,7 @@ static int rsb_open(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static struct file_operations rsb_fops = {
+static const struct file_operations rsb_fops = {
 	.owner   = THIS_MODULE,
 	.open    = rsb_open,
 	.read    = seq_read,
@@ -331,7 +331,7 @@ static ssize_t waiters_read(struct file *file, char __user *userbuf,
 	return rv;
 }
 
-static struct file_operations waiters_fops = {
+static const struct file_operations waiters_fops = {
 	.owner   = THIS_MODULE,
 	.open    = waiters_open,
 	.read    = waiters_read
diff --git a/fs/dlm/user.c b/fs/dlm/user.c
index d378b7f..40db61d 100644
--- a/fs/dlm/user.c
+++ b/fs/dlm/user.c
@@ -25,7 +25,7 @@
 
 static const char *name_prefix="dlm";
 static struct miscdevice ctl_device;
-static struct file_operations device_fops;
+static const struct file_operations device_fops;
 
 #ifdef CONFIG_COMPAT
 
@@ -759,7 +759,7 @@ static int ctl_device_close(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static struct file_operations device_fops = {
+static const struct file_operations device_fops = {
 	.open    = device_open,
 	.release = device_close,
 	.read    = device_read,
@@ -768,7 +768,7 @@ static struct file_operations device_fops = {
 	.owner   = THIS_MODULE,
 };
 
-static struct file_operations ctl_device_fops = {
+static const struct file_operations ctl_device_fops = {
 	.open    = ctl_device_open,
 	.release = ctl_device_close,
 	.write   = device_write,
diff --git a/fs/gfs2/locking/dlm/plock.c b/fs/gfs2/locking/dlm/plock.c
index 3799f19..1dd4215 100644
--- a/fs/gfs2/locking/dlm/plock.c
+++ b/fs/gfs2/locking/dlm/plock.c
@@ -264,7 +264,7 @@ static unsigned int dev_poll(struct file *file, poll_table *wait)
 	return 0;
 }
 
-static struct file_operations dev_fops = {
+static const struct file_operations dev_fops = {
 	.read    = dev_read,
 	.write   = dev_write,
 	.poll    = dev_poll,
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 23ab145..ae9f36e 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -1173,7 +1173,7 @@ static struct seq_operations nfs_server_list_ops = {
 	.show	= nfs_server_list_show,
 };
 
-static struct file_operations nfs_server_list_fops = {
+static const struct file_operations nfs_server_list_fops = {
 	.open		= nfs_server_list_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -1193,7 +1193,7 @@ static struct seq_operations nfs_volume_list_ops = {
 	.show	= nfs_volume_list_show,
 };
 
-static struct file_operations nfs_volume_list_fops = {
+static const struct file_operations nfs_volume_list_fops = {
 	.open		= nfs_volume_list_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
diff --git a/fs/ocfs2/dlm/dlmfs.c b/fs/ocfs2/dlm/dlmfs.c
index b7f0ba9..3082624 100644
--- a/fs/ocfs2/dlm/dlmfs.c
+++ b/fs/ocfs2/dlm/dlmfs.c
@@ -62,7 +62,7 @@
 #include "cluster/masklog.h"
 
 static struct super_operations dlmfs_ops;
-static struct file_operations dlmfs_file_operations;
+static const struct file_operations dlmfs_file_operations;
 static struct inode_operations dlmfs_dir_inode_operations;
 static struct inode_operations dlmfs_root_inode_operations;
 static struct inode_operations dlmfs_file_inode_operations;
@@ -540,7 +540,7 @@ static int dlmfs_fill_super(struct super_block * sb,
 	return 0;
 }
 
-static struct file_operations dlmfs_file_operations = {
+static const struct file_operations dlmfs_file_operations = {
 	.open		= dlmfs_file_open,
 	.release	= dlmfs_file_release,
 	.read		= dlmfs_file_read,
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 7fb37d6..7b1ded63 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -94,7 +94,7 @@ struct pid_entry {
 	char *name;
 	mode_t mode;
 	struct inode_operations *iop;
-	struct file_operations *fop;
+	const struct file_operations *fop;
 	union proc_op op;
 };
 
@@ -424,7 +424,7 @@ static unsigned mounts_poll(struct file *file, poll_table *wait)
 	return res;
 }
 
-static struct file_operations proc_mounts_operations = {
+static const struct file_operations proc_mounts_operations = {
 	.open		= mounts_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -462,7 +462,7 @@ static int mountstats_open(struct inode *inode, struct file *file)
 	return ret;
 }
 
-static struct file_operations proc_mountstats_operations = {
+static const struct file_operations proc_mountstats_operations = {
 	.open		= mountstats_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -501,7 +501,7 @@ out_no_task:
 	return length;
 }
 
-static struct file_operations proc_info_file_operations = {
+static const struct file_operations proc_info_file_operations = {
 	.read		= proc_info_read,
 };
 
@@ -646,7 +646,7 @@ static loff_t mem_lseek(struct file * file, loff_t offset, int orig)
 	return file->f_pos;
 }
 
-static struct file_operations proc_mem_operations = {
+static const struct file_operations proc_mem_operations = {
 	.llseek		= mem_lseek,
 	.read		= mem_read,
 	.write		= mem_write,
@@ -710,7 +710,7 @@ static ssize_t oom_adjust_write(struct file *file, const char __user *buf,
 	return end - buffer;
 }
 
-static struct file_operations proc_oom_adjust_operations = {
+static const struct file_operations proc_oom_adjust_operations = {
 	.read		= oom_adjust_read,
 	.write		= oom_adjust_write,
 };
@@ -777,7 +777,7 @@ out_free_page:
 	return length;
 }
 
-static struct file_operations proc_loginuid_operations = {
+static const struct file_operations proc_loginuid_operations = {
 	.read		= proc_loginuid_read,
 	.write		= proc_loginuid_write,
 };
@@ -849,7 +849,7 @@ out_no_task:
 	return result;
 }
 
-static struct file_operations proc_seccomp_operations = {
+static const struct file_operations proc_seccomp_operations = {
 	.read		= seccomp_read,
 	.write		= seccomp_write,
 };
@@ -908,7 +908,7 @@ static ssize_t proc_fault_inject_write(struct file * file,
 	return end - buffer;
 }
 
-static struct file_operations proc_fault_inject_operations = {
+static const struct file_operations proc_fault_inject_operations = {
 	.read		= proc_fault_inject_read,
 	.write		= proc_fault_inject_write,
 };
@@ -1408,7 +1408,7 @@ out_no_task:
 	return retval;
 }
 
-static struct file_operations proc_fd_operations = {
+static const struct file_operations proc_fd_operations = {
 	.read		= generic_read_dir,
 	.readdir	= proc_readfd,
 };
@@ -1623,7 +1623,7 @@ out_no_task:
 	return length;
 }
 
-static struct file_operations proc_pid_attr_operations = {
+static const struct file_operations proc_pid_attr_operations = {
 	.read		= proc_pid_attr_read,
 	.write		= proc_pid_attr_write,
 };
@@ -1644,7 +1644,7 @@ static int proc_attr_dir_readdir(struct file * filp,
 				   attr_dir_stuff,ARRAY_SIZE(attr_dir_stuff));
 }
 
-static struct file_operations proc_attr_dir_operations = {
+static const struct file_operations proc_attr_dir_operations = {
 	.read		= generic_read_dir,
 	.readdir	= proc_attr_dir_readdir,
 };
@@ -1834,7 +1834,7 @@ static int proc_pid_io_accounting(struct task_struct *task, char *buffer)
 /*
  * Thread groups
  */
-static struct file_operations proc_task_operations;
+static const struct file_operations proc_task_operations;
 static struct inode_operations proc_task_inode_operations;
 
 static struct pid_entry tgid_base_stuff[] = {
@@ -1894,7 +1894,7 @@ static int proc_tgid_base_readdir(struct file * filp,
 				   tgid_base_stuff,ARRAY_SIZE(tgid_base_stuff));
 }
 
-static struct file_operations proc_tgid_base_operations = {
+static const struct file_operations proc_tgid_base_operations = {
 	.read		= generic_read_dir,
 	.readdir	= proc_tgid_base_readdir,
 };
@@ -2177,7 +2177,7 @@ static struct dentry *proc_tid_base_lookup(struct inode *dir, struct dentry *den
 				  tid_base_stuff, ARRAY_SIZE(tid_base_stuff));
 }
 
-static struct file_operations proc_tid_base_operations = {
+static const struct file_operations proc_tid_base_operations = {
 	.read		= generic_read_dir,
 	.readdir	= proc_tid_base_readdir,
 };
@@ -2414,7 +2414,7 @@ static struct inode_operations proc_task_inode_operations = {
 	.setattr	= proc_setattr,
 };
 
-static struct file_operations proc_task_operations = {
+static const struct file_operations proc_task_operations = {
 	.read		= generic_read_dir,
 	.readdir	= proc_task_readdir,
 };
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 853cb87..aa52f10 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -39,7 +39,7 @@ int proc_match(int len, const char *name, struct proc_dir_entry *de)
 	return !memcmp(name, de->name, len);
 }
 
-static struct file_operations proc_file_operations = {
+static const struct file_operations proc_file_operations = {
 	.llseek		= proc_file_lseek,
 	.read		= proc_file_read,
 	.write		= proc_file_write,
@@ -497,7 +497,7 @@ out:	unlock_kernel();
  * use the in-memory "struct proc_dir_entry" tree to parse
  * the /proc directory.
  */
-static struct file_operations proc_dir_operations = {
+static const struct file_operations proc_dir_operations = {
 	.read			= generic_read_dir,
 	.readdir		= proc_readdir,
 };
diff --git a/fs/proc/internal.h b/fs/proc/internal.h
index 987c773..277dcd6 100644
--- a/fs/proc/internal.h
+++ b/fs/proc/internal.h
@@ -38,13 +38,13 @@ extern int proc_tgid_stat(struct task_struct *, char *);
 extern int proc_pid_status(struct task_struct *, char *);
 extern int proc_pid_statm(struct task_struct *, char *);
 
-extern struct file_operations proc_maps_operations;
-extern struct file_operations proc_numa_maps_operations;
-extern struct file_operations proc_smaps_operations;
+extern const struct file_operations proc_maps_operations;
+extern const struct file_operations proc_numa_maps_operations;
+extern const struct file_operations proc_smaps_operations;
 
-extern struct file_operations proc_maps_operations;
-extern struct file_operations proc_numa_maps_operations;
-extern struct file_operations proc_smaps_operations;
+extern const struct file_operations proc_maps_operations;
+extern const struct file_operations proc_numa_maps_operations;
+extern const struct file_operations proc_smaps_operations;
 
 
 void free_proc_entry(struct proc_dir_entry *de);
diff --git a/fs/proc/nommu.c b/fs/proc/nommu.c
index 5ec6725..22f789d 100644
--- a/fs/proc/nommu.c
+++ b/fs/proc/nommu.c
@@ -128,7 +128,7 @@ static int proc_nommu_vma_list_open(struct inode *inode, struct file *file)
 	return seq_open(file, &proc_nommu_vma_list_seqop);
 }
 
-static struct file_operations proc_nommu_vma_list_operations = {
+static const struct file_operations proc_nommu_vma_list_operations = {
 	.open    = proc_nommu_vma_list_open,
 	.read    = seq_read,
 	.llseek  = seq_lseek,
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 5e2d435..e2c4c0a5 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -223,7 +223,7 @@ static int fragmentation_open(struct inode *inode, struct file *file)
 	return seq_open(file, &fragmentation_op);
 }
 
-static struct file_operations fragmentation_file_operations = {
+static const struct file_operations fragmentation_file_operations = {
 	.open		= fragmentation_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -236,7 +236,7 @@ static int zoneinfo_open(struct inode *inode, struct file *file)
 	return seq_open(file, &zoneinfo_op);
 }
 
-static struct file_operations proc_zoneinfo_file_operations = {
+static const struct file_operations proc_zoneinfo_file_operations = {
 	.open		= zoneinfo_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -261,7 +261,7 @@ static int cpuinfo_open(struct inode *inode, struct file *file)
 	return seq_open(file, &cpuinfo_op);
 }
 
-static struct file_operations proc_cpuinfo_operations = {
+static const struct file_operations proc_cpuinfo_operations = {
 	.open		= cpuinfo_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -320,7 +320,7 @@ static int devinfo_open(struct inode *inode, struct file *filp)
 	return seq_open(filp, &devinfo_ops);
 }
 
-static struct file_operations proc_devinfo_operations = {
+static const struct file_operations proc_devinfo_operations = {
 	.open		= devinfo_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -332,7 +332,7 @@ static int vmstat_open(struct inode *inode, struct file *file)
 {
 	return seq_open(file, &vmstat_op);
 }
-static struct file_operations proc_vmstat_file_operations = {
+static const struct file_operations proc_vmstat_file_operations = {
 	.open		= vmstat_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -363,7 +363,7 @@ static int partitions_open(struct inode *inode, struct file *file)
 {
 	return seq_open(file, &partitions_op);
 }
-static struct file_operations proc_partitions_operations = {
+static const struct file_operations proc_partitions_operations = {
 	.open		= partitions_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -375,7 +375,7 @@ static int diskstats_open(struct inode *inode, struct file *file)
 {
 	return seq_open(file, &diskstats_op);
 }
-static struct file_operations proc_diskstats_operations = {
+static const struct file_operations proc_diskstats_operations = {
 	.open		= diskstats_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -389,7 +389,7 @@ static int modules_open(struct inode *inode, struct file *file)
 {
 	return seq_open(file, &modules_op);
 }
-static struct file_operations proc_modules_operations = {
+static const struct file_operations proc_modules_operations = {
 	.open		= modules_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -404,7 +404,7 @@ static int slabinfo_open(struct inode *inode, struct file *file)
 {
 	return seq_open(file, &slabinfo_op);
 }
-static struct file_operations proc_slabinfo_operations = {
+static const struct file_operations proc_slabinfo_operations = {
 	.open		= slabinfo_open,
 	.read		= seq_read,
 	.write		= slabinfo_write,
@@ -438,7 +438,7 @@ static int slabstats_release(struct inode *inode, struct file *file)
 	return seq_release(inode, file);
 }
 
-static struct file_operations proc_slabstats_operations = {
+static const struct file_operations proc_slabstats_operations = {
 	.open		= slabstats_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -551,7 +551,7 @@ static int stat_open(struct inode *inode, struct file *file)
 		kfree(buf);
 	return res;
 }
-static struct file_operations proc_stat_operations = {
+static const struct file_operations proc_stat_operations = {
 	.open		= stat_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -593,7 +593,7 @@ static int interrupts_open(struct inode *inode, struct file *filp)
 	return seq_open(filp, &int_seq_ops);
 }
 
-static struct file_operations proc_interrupts_operations = {
+static const struct file_operations proc_interrupts_operations = {
 	.open		= interrupts_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -650,7 +650,7 @@ static ssize_t write_sysrq_trigger(struct file *file, const char __user *buf,
 	return count;
 }
 
-static struct file_operations proc_sysrq_trigger_operations = {
+static const struct file_operations proc_sysrq_trigger_operations = {
 	.write		= write_sysrq_trigger,
 };
 #endif
diff --git a/fs/proc/proc_tty.c b/fs/proc/proc_tty.c
index 15c4455..c1bbfbe 100644
--- a/fs/proc/proc_tty.c
+++ b/fs/proc/proc_tty.c
@@ -138,7 +138,7 @@ static int tty_drivers_open(struct inode *inode, struct file *file)
 	return seq_open(file, &tty_drivers_op);
 }
 
-static struct file_operations proc_tty_drivers_operations = {
+static const struct file_operations proc_tty_drivers_operations = {
 	.open		= tty_drivers_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
diff --git a/fs/proc/root.c b/fs/proc/root.c
index 64d242b6..81c92e9 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -136,7 +136,7 @@ static int proc_root_readdir(struct file * filp,
  * <pid> directories. Thus we don't use the generic
  * directory handling functions for that..
  */
-static struct file_operations proc_root_operations = {
+static const struct file_operations proc_root_operations = {
 	.read		 = generic_read_dir,
 	.readdir	 = proc_root_readdir,
 };
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 55ade0d..7445980 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -434,7 +434,7 @@ static int maps_open(struct inode *inode, struct file *file)
 	return do_maps_open(inode, file, &proc_pid_maps_op);
 }
 
-struct file_operations proc_maps_operations = {
+const struct file_operations proc_maps_operations = {
 	.open		= maps_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -456,7 +456,7 @@ static int numa_maps_open(struct inode *inode, struct file *file)
 	return do_maps_open(inode, file, &proc_pid_numa_maps_op);
 }
 
-struct file_operations proc_numa_maps_operations = {
+const struct file_operations proc_numa_maps_operations = {
 	.open		= numa_maps_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -469,7 +469,7 @@ static int smaps_open(struct inode *inode, struct file *file)
 	return do_maps_open(inode, file, &proc_pid_smaps_op);
 }
 
-struct file_operations proc_smaps_operations = {
+const struct file_operations proc_smaps_operations = {
 	.open		= smaps_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c
index fcc5caf..7cddf6b 100644
--- a/fs/proc/task_nommu.c
+++ b/fs/proc/task_nommu.c
@@ -220,7 +220,7 @@ static int maps_open(struct inode *inode, struct file *file)
 	return ret;
 }
 
-struct file_operations proc_maps_operations = {
+const struct file_operations proc_maps_operations = {
 	.open		= maps_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,