Merge branch 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvar...

[sfrench/cifs-2.6.git] / drivers / message / i2o / i2o_block.c

diff --git a/drivers/message/i2o/i2o_block.c b/drivers/message/i2o/i2o_block.c
index fc593fbab6963896446bb4e7e14133186e71af15..f0f1e667000f30b8769587d9036a36b4b4c3b715 100644 (file)
--- a/drivers/message/i2o/i2o_block.c
+++ b/drivers/message/i2o/i2o_block.c
@@ -53,6 +53,7 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/i2o.h>
+#include <linux/smp_lock.h>
 
 #include <linux/mempool.h>
 
@@ -577,6 +578,7 @@ static int i2o_block_open(struct block_device *bdev, fmode_t mode)
        if (!dev->i2o_dev)
                return -ENODEV;
 
+       lock_kernel();
        if (dev->power > 0x1f)
                i2o_block_device_power(dev, 0x02);
 
@@ -585,6 +587,7 @@ static int i2o_block_open(struct block_device *bdev, fmode_t mode)
        i2o_block_device_lock(dev->i2o_dev, -1);
 
        osm_debug("Ready.\n");
+       unlock_kernel();
 
        return 0;
 };
@@ -615,6 +618,7 @@ static int i2o_block_release(struct gendisk *disk, fmode_t mode)
        if (!dev->i2o_dev)
                return 0;
 
+       lock_kernel();
        i2o_block_device_flush(dev->i2o_dev);
 
        i2o_block_device_unlock(dev->i2o_dev, -1);
@@ -625,6 +629,7 @@ static int i2o_block_release(struct gendisk *disk, fmode_t mode)
                operation = 0x24;
 
        i2o_block_device_power(dev, operation);
+       unlock_kernel();
 
        return 0;
 }
@@ -652,30 +657,40 @@ static int i2o_block_ioctl(struct block_device *bdev, fmode_t mode,
 {
        struct gendisk *disk = bdev->bd_disk;
        struct i2o_block_device *dev = disk->private_data;
+       int ret = -ENOTTY;
 
        /* Anyone capable of this syscall can do *real bad* things */
 
        if (!capable(CAP_SYS_ADMIN))
                return -EPERM;
 
+       lock_kernel();
        switch (cmd) {
        case BLKI2OGRSTRAT:
-               return put_user(dev->rcache, (int __user *)arg);
+               ret = put_user(dev->rcache, (int __user *)arg);
+               break;
        case BLKI2OGWSTRAT:
-               return put_user(dev->wcache, (int __user *)arg);
+               ret = put_user(dev->wcache, (int __user *)arg);
+               break;
        case BLKI2OSRSTRAT:
+               ret = -EINVAL;
                if (arg < 0 || arg > CACHE_SMARTFETCH)
-                       return -EINVAL;
+                       break;
                dev->rcache = arg;
+               ret = 0;
                break;
        case BLKI2OSWSTRAT:
+               ret = -EINVAL;
                if (arg != 0
                    && (arg < CACHE_WRITETHROUGH || arg > CACHE_SMARTBACK))
-                       return -EINVAL;
+                       break;
                dev->wcache = arg;
+               ret = 0;
                break;
        }
-       return -ENOTTY;
+       unlock_kernel();
+
+       return ret;
 };
 
 /**
@@ -712,7 +727,7 @@ static int i2o_block_transfer(struct request *req)
 {
        struct i2o_block_device *dev = req->rq_disk->private_data;
        struct i2o_controller *c;
-       u32 tid = dev->i2o_dev->lct_data.tid;
+       u32 tid;
        struct i2o_message *msg;
        u32 *mptr;
        struct i2o_block_request *ireq = req->special;
@@ -728,6 +743,7 @@ static int i2o_block_transfer(struct request *req)
                goto exit;
        }
 
+       tid = dev->i2o_dev->lct_data.tid;
        c = dev->i2o_dev->iop;
 
        msg = i2o_msg_get(c);
@@ -883,7 +899,7 @@ static void i2o_block_request_fn(struct request_queue *q)
                if (!req)
                        break;
 
-               if (blk_fs_request(req)) {
+               if (req->cmd_type == REQ_TYPE_FS) {
                        struct i2o_block_delayed_request *dreq;
                        struct i2o_block_request *ireq = req->special;
                        unsigned int queue_depth;
@@ -930,7 +946,8 @@ static const struct block_device_operations i2o_block_fops = {
        .owner = THIS_MODULE,
        .open = i2o_block_open,
        .release = i2o_block_release,
-       .locked_ioctl = i2o_block_ioctl,
+       .ioctl = i2o_block_ioctl,
+       .compat_ioctl = i2o_block_ioctl,
        .getgeo = i2o_block_getgeo,
        .media_changed = i2o_block_media_changed
 };