diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c
index 1e6b7c1..8b50af3 100644
--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -152,7 +152,7 @@
 	return 0;
 }
 
-static struct block_device_operations DAC960_BlockDeviceOperations = {
+static const struct block_device_operations DAC960_BlockDeviceOperations = {
 	.owner			= THIS_MODULE,
 	.open			= DAC960_open,
 	.getgeo			= DAC960_getgeo,
diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c
index 2f07b7c..0552258 100644
--- a/drivers/block/amiflop.c
+++ b/drivers/block/amiflop.c
@@ -1632,7 +1632,7 @@
 	return 0;
 }
 
-static struct block_device_operations floppy_fops = {
+static const struct block_device_operations floppy_fops = {
 	.owner		= THIS_MODULE,
 	.open		= floppy_open,
 	.release	= floppy_release,
diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
index b6cd571..3af97d4 100644
--- a/drivers/block/aoe/aoeblk.c
+++ b/drivers/block/aoe/aoeblk.c
@@ -237,7 +237,7 @@
 	return 0;
 }
 
-static struct block_device_operations aoe_bdops = {
+static const struct block_device_operations aoe_bdops = {
 	.open = aoeblk_open,
 	.release = aoeblk_release,
 	.getgeo = aoeblk_getgeo,
diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c
index 3ff0294..847a9e5 100644
--- a/drivers/block/ataflop.c
+++ b/drivers/block/ataflop.c
@@ -1856,7 +1856,7 @@
 	return 0;
 }
 
-static struct block_device_operations floppy_fops = {
+static const struct block_device_operations floppy_fops = {
 	.owner		= THIS_MODULE,
 	.open		= floppy_open,
 	.release	= floppy_release,
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index 4bf8705..4f68843 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -375,7 +375,7 @@
 	return error;
 }
 
-static struct block_device_operations brd_fops = {
+static const struct block_device_operations brd_fops = {
 	.owner =		THIS_MODULE,
 	.locked_ioctl =		brd_ioctl,
 #ifdef CONFIG_BLK_DEV_XIP
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index d8372b4..4f19105 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -205,7 +205,7 @@
 			      unsigned, unsigned long);
 #endif
 
-static struct block_device_operations cciss_fops = {
+static const struct block_device_operations cciss_fops = {
 	.owner = THIS_MODULE,
 	.open = cciss_open,
 	.release = cciss_release,
diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
index 44fa201..b82d438 100644
--- a/drivers/block/cpqarray.c
+++ b/drivers/block/cpqarray.c
@@ -193,7 +193,7 @@
 }
 
 
-static struct block_device_operations ida_fops  = {
+static const struct block_device_operations ida_fops  = {
 	.owner		= THIS_MODULE,
 	.open		= ida_open,
 	.release	= ida_release,
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 2b387c2..5c01f74 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -3907,7 +3907,7 @@
 	return res;
 }
 
-static struct block_device_operations floppy_fops = {
+static const struct block_device_operations floppy_fops = {
 	.owner			= THIS_MODULE,
 	.open			= floppy_open,
 	.release		= floppy_release,
diff --git a/drivers/block/hd.c b/drivers/block/hd.c
index f9d0160..d5cdce08 100644
--- a/drivers/block/hd.c
+++ b/drivers/block/hd.c
@@ -692,7 +692,7 @@
 	return IRQ_HANDLED;
 }
 
-static struct block_device_operations hd_fops = {
+static const struct block_device_operations hd_fops = {
 	.getgeo =	hd_getgeo,
 };
 
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index bbb7944..edda9ea 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1438,7 +1438,7 @@
 	return 0;
 }
 
-static struct block_device_operations lo_fops = {
+static const struct block_device_operations lo_fops = {
 	.owner =	THIS_MODULE,
 	.open =		lo_open,
 	.release =	lo_release,
diff --git a/drivers/block/mg_disk.c b/drivers/block/mg_disk.c
index 6d7fbaa..e0339aa 100644
--- a/drivers/block/mg_disk.c
+++ b/drivers/block/mg_disk.c
@@ -775,7 +775,7 @@
 	return 0;
 }
 
-static struct block_device_operations mg_disk_ops = {
+static const struct block_device_operations mg_disk_ops = {
 	.getgeo = mg_getgeo
 };
 
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 5d23ffa..cc923a5 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -722,7 +722,7 @@
 	return error;
 }
 
-static struct block_device_operations nbd_fops =
+static const struct block_device_operations nbd_fops =
 {
 	.owner =	THIS_MODULE,
 	.locked_ioctl =	nbd_ioctl,
diff --git a/drivers/block/osdblk.c b/drivers/block/osdblk.c
index 13c1aee..a808b15 100644
--- a/drivers/block/osdblk.c
+++ b/drivers/block/osdblk.c
@@ -125,7 +125,7 @@
 static DEFINE_MUTEX(ctl_mutex);	/* Serialize open/close/setup/teardown */
 static LIST_HEAD(osdblkdev_list);
 
-static struct block_device_operations osdblk_bd_ops = {
+static const struct block_device_operations osdblk_bd_ops = {
 	.owner		= THIS_MODULE,
 };
 
diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c
index 9f3518c..8866ca3 100644
--- a/drivers/block/paride/pcd.c
+++ b/drivers/block/paride/pcd.c
@@ -247,7 +247,7 @@
 	return cdrom_media_changed(&cd->info);
 }
 
-static struct block_device_operations pcd_bdops = {
+static const struct block_device_operations pcd_bdops = {
 	.owner		= THIS_MODULE,
 	.open		= pcd_block_open,
 	.release	= pcd_block_release,
diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c
index bf5955b..569e39e 100644
--- a/drivers/block/paride/pd.c
+++ b/drivers/block/paride/pd.c
@@ -807,7 +807,7 @@
 	return 0;
 }
 
-static struct block_device_operations pd_fops = {
+static const struct block_device_operations pd_fops = {
 	.owner		= THIS_MODULE,
 	.open		= pd_open,
 	.release	= pd_release,
diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c
index 68a90834..ea54ea3 100644
--- a/drivers/block/paride/pf.c
+++ b/drivers/block/paride/pf.c
@@ -262,7 +262,7 @@
 
 /* kernel glue structures */
 
-static struct block_device_operations pf_fops = {
+static const struct block_device_operations pf_fops = {
 	.owner		= THIS_MODULE,
 	.open		= pf_open,
 	.release	= pf_release,
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index fd5bb8a..2ddf03a 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -2849,7 +2849,7 @@
 	return attached_disk->fops->media_changed(attached_disk);
 }
 
-static struct block_device_operations pktcdvd_ops = {
+static const struct block_device_operations pktcdvd_ops = {
 	.owner =		THIS_MODULE,
 	.open =			pkt_open,
 	.release =		pkt_close,
diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c
index 34cbb7f..03a130d 100644
--- a/drivers/block/ps3disk.c
+++ b/drivers/block/ps3disk.c
@@ -82,7 +82,7 @@
 static int ps3disk_major;
 
 
-static struct block_device_operations ps3disk_fops = {
+static const struct block_device_operations ps3disk_fops = {
 	.owner		= THIS_MODULE,
 };
 
diff --git a/drivers/block/ps3vram.c b/drivers/block/ps3vram.c
index c8753a9..3bb7c47 100644
--- a/drivers/block/ps3vram.c
+++ b/drivers/block/ps3vram.c
@@ -88,7 +88,7 @@
 static int ps3vram_major;
 
 
-static struct block_device_operations ps3vram_fops = {
+static const struct block_device_operations ps3vram_fops = {
 	.owner		= THIS_MODULE,
 };
 
diff --git a/drivers/block/sunvdc.c b/drivers/block/sunvdc.c
index cbfd9c0..411f064 100644
--- a/drivers/block/sunvdc.c
+++ b/drivers/block/sunvdc.c
@@ -103,7 +103,7 @@
 	return 0;
 }
 
-static struct block_device_operations vdc_fops = {
+static const struct block_device_operations vdc_fops = {
 	.owner		= THIS_MODULE,
 	.getgeo		= vdc_getgeo,
 };
diff --git a/drivers/block/swim.c b/drivers/block/swim.c
index cf7877f..8f569e3 100644
--- a/drivers/block/swim.c
+++ b/drivers/block/swim.c
@@ -748,7 +748,7 @@
 	return !fs->disk_in;
 }
 
-static struct block_device_operations floppy_fops = {
+static const struct block_device_operations floppy_fops = {
 	.owner		 = THIS_MODULE,
 	.open		 = floppy_open,
 	.release	 = floppy_release,
diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
index 80df93e..e39e382 100644
--- a/drivers/block/swim3.c
+++ b/drivers/block/swim3.c
@@ -998,7 +998,7 @@
 	return ret;
 }
 
-static struct block_device_operations floppy_fops = {
+static const struct block_device_operations floppy_fops = {
 	.open		= floppy_open,
 	.release	= floppy_release,
 	.locked_ioctl	= floppy_ioctl,
diff --git a/drivers/block/sx8.c b/drivers/block/sx8.c
index f5cd2e8..a7c4184 100644
--- a/drivers/block/sx8.c
+++ b/drivers/block/sx8.c
@@ -423,7 +423,7 @@
 	.remove		= carm_remove_one,
 };
 
-static struct block_device_operations carm_bd_ops = {
+static const struct block_device_operations carm_bd_ops = {
 	.owner		= THIS_MODULE,
 	.getgeo		= carm_bdev_getgeo,
 };
diff --git a/drivers/block/ub.c b/drivers/block/ub.c
index cc54473..c739b20 100644
--- a/drivers/block/ub.c
+++ b/drivers/block/ub.c
@@ -1789,7 +1789,7 @@
 	return lun->changed;
 }
 
-static struct block_device_operations ub_bd_fops = {
+static const struct block_device_operations ub_bd_fops = {
 	.owner		= THIS_MODULE,
 	.open		= ub_bd_open,
 	.release	= ub_bd_release,
diff --git a/drivers/block/umem.c b/drivers/block/umem.c
index 858c34d..ad1ba39 100644
--- a/drivers/block/umem.c
+++ b/drivers/block/umem.c
@@ -140,7 +140,6 @@
 };
 
 static struct cardinfo cards[MM_MAXCARDS];
-static struct block_device_operations mm_fops;
 static struct timer_list battery_timer;
 
 static int num_cards;
@@ -789,7 +788,7 @@
 	return 0;
 }
 
-static struct block_device_operations mm_fops = {
+static const struct block_device_operations mm_fops = {
 	.owner		= THIS_MODULE,
 	.getgeo		= mm_getgeo,
 	.revalidate_disk = mm_revalidate,
diff --git a/drivers/block/viodasd.c b/drivers/block/viodasd.c
index b441ce3..a8c8b56 100644
--- a/drivers/block/viodasd.c
+++ b/drivers/block/viodasd.c
@@ -219,7 +219,7 @@
 /*
  * Our file operations table
  */
-static struct block_device_operations viodasd_fops = {
+static const struct block_device_operations viodasd_fops = {
 	.owner = THIS_MODULE,
 	.open = viodasd_open,
 	.release = viodasd_release,
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index aa1a3d5..aa89fe4 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -243,7 +243,7 @@
 	return 0;
 }
 
-static struct block_device_operations virtblk_fops = {
+static const struct block_device_operations virtblk_fops = {
 	.locked_ioctl = virtblk_ioctl,
 	.owner  = THIS_MODULE,
 	.getgeo = virtblk_getgeo,
diff --git a/drivers/block/xd.c b/drivers/block/xd.c
index ce24292..0877d36 100644
--- a/drivers/block/xd.c
+++ b/drivers/block/xd.c
@@ -130,7 +130,7 @@
 
 static int xd_getgeo(struct block_device *bdev, struct hd_geometry *geo);
 
-static struct block_device_operations xd_fops = {
+static const struct block_device_operations xd_fops = {
 	.owner	= THIS_MODULE,
 	.locked_ioctl	= xd_ioctl,
 	.getgeo = xd_getgeo,
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index e532847..b8578bb 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -65,7 +65,7 @@
 	unsigned long frame[BLKIF_MAX_SEGMENTS_PER_REQUEST];
 };
 
-static struct block_device_operations xlvbd_block_fops;
+static const struct block_device_operations xlvbd_block_fops;
 
 #define BLK_RING_SIZE __RING_SIZE((struct blkif_sring *)0, PAGE_SIZE)
 
@@ -1039,7 +1039,7 @@
 	return 0;
 }
 
-static struct block_device_operations xlvbd_block_fops =
+static const struct block_device_operations xlvbd_block_fops =
 {
 	.owner = THIS_MODULE,
 	.open = blkif_open,
diff --git a/drivers/block/xsysace.c b/drivers/block/xsysace.c
index b20abe10..e5c5415 100644
--- a/drivers/block/xsysace.c
+++ b/drivers/block/xsysace.c
@@ -941,7 +941,7 @@
 	return 0;
 }
 
-static struct block_device_operations ace_fops = {
+static const struct block_device_operations ace_fops = {
 	.owner = THIS_MODULE,
 	.open = ace_open,
 	.release = ace_release,
diff --git a/drivers/block/z2ram.c b/drivers/block/z2ram.c
index b259040..64f941e 100644
--- a/drivers/block/z2ram.c
+++ b/drivers/block/z2ram.c
@@ -64,7 +64,6 @@
 
 static DEFINE_SPINLOCK(z2ram_lock);
 
-static struct block_device_operations z2_fops;
 static struct gendisk *z2ram_gendisk;
 
 static void do_z2_request(struct request_queue *q)
@@ -315,7 +314,7 @@
     return 0;
 }
 
-static struct block_device_operations z2_fops =
+static const struct block_device_operations z2_fops =
 {
 	.owner		= THIS_MODULE,
 	.open		= z2_open,