Merge branch 'v3.9-samsung-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel...

[firefly-linux-kernel-4.4.55.git] / fs / block_dev.c

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 172f8491a2bd6905fda9d21afb8957c16a97c5f6..aea605c98ba6b4eb920a022acaf6c4587ed653f9 100644 (file)
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -318,7 +318,7 @@ static int blkdev_write_end(struct file *file, struct address_space *mapping,
 
 /*
  * private llseek:
- * for a block special file file->f_path.dentry->d_inode->i_size is zero
+ * for a block special file file_inode(file)->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 whence)
@@ -994,6 +994,7 @@ int revalidate_disk(struct gendisk *disk)
 
        mutex_lock(&bdev->bd_mutex);
        check_disk_size_change(disk, bdev);
+       bdev->bd_invalidated = 0;
        mutex_unlock(&bdev->bd_mutex);
        bdput(bdev);
        return ret;
@@ -1032,7 +1033,9 @@ void bd_set_size(struct block_device *bdev, loff_t size)
 {
        unsigned bsize = bdev_logical_block_size(bdev);
 
-       bdev->bd_inode->i_size = size;
+       mutex_lock(&bdev->bd_inode->i_mutex);
+       i_size_write(bdev->bd_inode, size);
+       mutex_unlock(&bdev->bd_inode->i_mutex);
        while (bsize < PAGE_CACHE_SIZE) {
                if (size & bsize)
                        break;
@@ -1117,7 +1120,7 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part)
                                }
                        }
 
-                       if (!ret && !bdev->bd_openers) {
+                       if (!ret) {
                                bd_set_size(bdev,(loff_t)get_capacity(disk)<<9);
                                bdi = blk_get_backing_dev_info(bdev);
                                if (bdi == NULL)