block: autoconvert trivial BKL users to private mutex

[net-next-2.6.git] / drivers / block / nbd.c

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 16c3c8613cd317ece09ea6619745401e0ea0c699..a32fb41246f883a0a29fecca2cf70d17b0e7bae2 100644 (file)
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -24,6 +24,7 @@
 #include <linux/errno.h>
 #include <linux/file.h>
 #include <linux/ioctl.h>
+#include <linux/mutex.h>
 #include <linux/compiler.h>
 #include <linux/err.h>
 #include <linux/kernel.h>
@@ -52,6 +53,7 @@
 #define DBG_BLKDEV      0x0100
 #define DBG_RX          0x0200
 #define DBG_TX          0x0400
+static DEFINE_MUTEX(nbd_mutex);
 static unsigned int debugflags;
 #endif /* NDEBUG */
 
@@ -448,7 +450,7 @@ static void nbd_clear_que(struct nbd_device *lo)
 
 static void nbd_handle_req(struct nbd_device *lo, struct request *req)
 {
-       if (!blk_fs_request(req))
+       if (req->cmd_type != REQ_TYPE_FS)
                goto error_out;
 
        nbd_cmd(req) = NBD_CMD_READ;
@@ -716,9 +718,11 @@ static int nbd_ioctl(struct block_device *bdev, fmode_t mode,
        dprintk(DBG_IOCTL, "%s: nbd_ioctl cmd=%s(0x%x) arg=%lu\n",
                        lo->disk->disk_name, ioctl_cmd_to_ascii(cmd), cmd, arg);
 
+       mutex_lock(&nbd_mutex);
        mutex_lock(&lo->tx_lock);
        error = __nbd_ioctl(bdev, lo, cmd, arg);
        mutex_unlock(&lo->tx_lock);
+       mutex_unlock(&nbd_mutex);
 
        return error;
 }
@@ -726,7 +730,7 @@ static int nbd_ioctl(struct block_device *bdev, fmode_t mode,
 static const struct block_device_operations nbd_fops =
 {
        .owner =        THIS_MODULE,
-       .locked_ioctl = nbd_ioctl,
+       .ioctl =        nbd_ioctl,
 };
 
 /*