Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq

[linux-2.6-omap-h63xx.git] / drivers / block / loop.c

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 74bf0255e98f44dd2cc405426254a6e9b744f19d..7b3b94ddddccb4aaf5cab64e6e94923ab2fb6c49 100644 (file)
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -50,7 +50,6 @@
  *
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/sched.h>
@@ -63,7 +62,6 @@
 #include <linux/blkdev.h>
 #include <linux/blkpg.h>
 #include <linux/init.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/smp_lock.h>
 #include <linux/swap.h>
 #include <linux/slab.h>
@@ -210,7 +208,7 @@ static int do_lo_send_aops(struct loop_device *lo, struct bio_vec *bvec,
 {
        struct file *file = lo->lo_backing_file; /* kudos to NFsckingS */
        struct address_space *mapping = file->f_mapping;
-       struct address_space_operations *aops = mapping->a_ops;
+       const struct address_space_operations *aops = mapping->a_ops;
        pgoff_t index;
        unsigned offset, bv_offs;
        int len, ret;
@@ -784,7 +782,7 @@ static int loop_set_fd(struct loop_device *lo, struct file *lo_file,
 
        error = -EINVAL;
        if (S_ISREG(inode->i_mode) || S_ISBLK(inode->i_mode)) {
-               struct address_space_operations *aops = mapping->a_ops;
+               const struct address_space_operations *aops = mapping->a_ops;
                /*
                 * If we can't read - sorry. If we only can't write - well,
                 * it's going to be read-only.
@@ -818,7 +816,7 @@ static int loop_set_fd(struct loop_device *lo, struct file *lo_file,
        lo->lo_device = bdev;
        lo->lo_flags = lo_flags;
        lo->lo_backing_file = file;
-       lo->transfer = NULL;
+       lo->transfer = transfer_none;
        lo->ioctl = NULL;
        lo->lo_sizelimit = 0;
        lo->old_gfp_mask = mapping_gfp_mask(mapping);
@@ -839,7 +837,9 @@ static int loop_set_fd(struct loop_device *lo, struct file *lo_file,
 
        set_blocksize(bdev, lo_blocksize);
 
-       kernel_thread(loop_thread, lo, CLONE_KERNEL);
+       error = kernel_thread(loop_thread, lo, CLONE_KERNEL);
+       if (error < 0)
+               goto out_putf;
        wait_for_completion(&lo->lo_done);
        return 0;
 
@@ -1275,8 +1275,6 @@ static int __init loop_init(void)
                        goto out_mem3;
        }
 
-       devfs_mk_dir("loop");
-
        for (i = 0; i < max_loop; i++) {
                struct loop_device *lo = &loop_dev[i];
                struct gendisk *disk = disks[i];
@@ -1294,7 +1292,6 @@ static int __init loop_init(void)
                disk->first_minor = i;
                disk->fops = &lo_fops;
                sprintf(disk->disk_name, "loop%d", i);
-               sprintf(disk->devfs_name, "loop/%d", i);
                disk->private_data = lo;
                disk->queue = lo->lo_queue;
        }
@@ -1308,7 +1305,6 @@ static int __init loop_init(void)
 out_mem4:
        while (i--)
                blk_cleanup_queue(loop_dev[i].lo_queue);
-       devfs_remove("loop");
        i = max_loop;
 out_mem3:
        while (i--)
@@ -1331,7 +1327,6 @@ static void loop_exit(void)
                blk_cleanup_queue(loop_dev[i].lo_queue);
                put_disk(disks[i]);
        }
-       devfs_remove("loop");
        if (unregister_blkdev(LOOP_MAJOR, "loop"))
                printk(KERN_WARNING "loop: cannot unregister blkdev\n");