Merge SCSI misc branch into isci-for-3.6 tag
[firefly-linux-kernel-4.4.55.git] / mm / filemap.c
index fa5ca304148e7b4756bf2e52cd6afde1dba2b5c3..384344575c375e1a1464734670218557c31e0e27 100644 (file)
@@ -1412,12 +1412,8 @@ generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov,
                        retval = filemap_write_and_wait_range(mapping, pos,
                                        pos + iov_length(iov, nr_segs) - 1);
                        if (!retval) {
-                               struct blk_plug plug;
-
-                               blk_start_plug(&plug);
                                retval = mapping->a_ops->direct_IO(READ, iocb,
                                                        iov, pos, nr_segs);
-                               blk_finish_plug(&plug);
                        }
                        if (retval > 0) {
                                *ppos = pos + retval;
@@ -2527,14 +2523,12 @@ ssize_t generic_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
 {
        struct file *file = iocb->ki_filp;
        struct inode *inode = file->f_mapping->host;
-       struct blk_plug plug;
        ssize_t ret;
 
        BUG_ON(iocb->ki_pos != pos);
 
        sb_start_write(inode->i_sb);
        mutex_lock(&inode->i_mutex);
-       blk_start_plug(&plug);
        ret = __generic_file_aio_write(iocb, iov, nr_segs, &iocb->ki_pos);
        mutex_unlock(&inode->i_mutex);
 
@@ -2545,7 +2539,6 @@ ssize_t generic_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
                if (err < 0 && ret > 0)
                        ret = err;
        }
-       blk_finish_plug(&plug);
        sb_end_write(inode->i_sb);
        return ret;
 }