block_dev: switch to fixed_size_llseek()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 1 insertions, 22 deletions

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 2091db8cdd78..431b6a04ebfd 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -325,31 +325,10 @@ static int blkdev_write_end(struct file *file, struct address_space *mapping,
 static loff_t block_llseek(struct file *file, loff_t offset, int whence)
 {
         struct inode *bd_inode = file->f_mapping->host;
-        loff_t size;
         loff_t retval;
 
         mutex_lock(&bd_inode->i_mutex);
-        size = i_size_read(bd_inode);
-
-        retval = -EINVAL;
-        switch (whence) {
-                case SEEK_END:
-                        offset += size;
-                        break;
-                case SEEK_CUR:
-                        offset += file->f_pos;
-                case SEEK_SET:
-                        break;
-                default:
-                        goto out;
-        }
-        if (offset >= 0 && offset <= size) {
-                if (offset != file->f_pos) {
-                        file->f_pos = offset;
-                }
-                retval = offset;
-        }
-out:
+        retval = fixed_size_llseek(file, offset, whence, i_size_read(bd_inode));
         mutex_unlock(&bd_inode->i_mutex);
         return retval;
 }