[PATCH] atyfb: Fix sparse warnings

[pandora-kernel.git] / fs / block_dev.c

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 19f5f15..197f939 100644 (file)
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -190,7 +190,7 @@ static int blkdev_commit_write(struct file *file, struct page *page, unsigned fr
 
 /*
  * private llseek:
- * for a block special file file->f_dentry->d_inode->i_size is zero
+ * for a block special file file->f_path.dentry->d_inode->i_size is zero
  * so we compute the size by hand (just as in block_read/write above)
  */
 static loff_t block_llseek(struct file *file, loff_t offset, int origin)
@@ -902,6 +902,7 @@ EXPORT_SYMBOL(bd_set_size);
 
 static int __blkdev_get(struct block_device *bdev, mode_t mode, unsigned flags,
                        int for_part);
+static int __blkdev_put(struct block_device *bdev, int for_part);
 
 static int do_open(struct block_device *bdev, struct file *file, int for_part)
 {
@@ -920,7 +921,7 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part)
        }
        owner = disk->fops->owner;
 
-       mutex_lock(&bdev->bd_mutex);
+       mutex_lock_nested(&bdev->bd_mutex, for_part);
        if (!bdev->bd_openers) {
                bdev->bd_disk = disk;
                bdev->bd_contains = bdev;
@@ -987,7 +988,7 @@ out_first:
        bdev->bd_disk = NULL;
        bdev->bd_inode->i_data.backing_dev_info = &default_backing_dev_info;
        if (bdev != bdev->bd_contains)
-               blkdev_put(bdev->bd_contains);
+               __blkdev_put(bdev->bd_contains, 1);
        bdev->bd_contains = NULL;
        put_disk(disk);
        module_put(owner);
@@ -1012,7 +1013,7 @@ static int __blkdev_get(struct block_device *bdev, mode_t mode, unsigned flags,
        struct dentry fake_dentry = {};
        fake_file.f_mode = mode;
        fake_file.f_flags = flags;
-       fake_file.f_dentry = &fake_dentry;
+       fake_file.f_path.dentry = &fake_dentry;
        fake_dentry.d_inode = bdev->bd_inode;
 
        return do_open(bdev, &fake_file, for_part);
@@ -1062,7 +1063,7 @@ static int __blkdev_put(struct block_device *bdev, int for_part)
        struct gendisk *disk = bdev->bd_disk;
        struct block_device *victim = NULL;
 
-       mutex_lock(&bdev->bd_mutex);
+       mutex_lock_nested(&bdev->bd_mutex, for_part);
        lock_kernel();
        if (for_part)
                bdev->bd_part_count--;