Commit 9862f62f authored Feb 10, 2014 by Christoph Hellwig Committed by Dave Chinner Feb 10, 2014

xfs: allow appending aio writes



XFS can easily support appending aio writes by ensuring we always allocate
blocks as unwritten extents when performing direct I/O writes and only
converting them to written extents at I/O completion.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

parent d531d91d

fs/xfs/xfs_aops.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1441,7 +1441,8 @@ xfs_vm_direct_IO(
		ret = __blockdev_direct_IO(rw, iocb, inode, bdev, iov,
		offset, nr_segs,
		xfs_get_blocks_direct,
		xfs_end_io_direct_write, NULL, 0);
		xfs_end_io_direct_write, NULL,
		DIO_ASYNC_EXTEND);
		if (ret != -EIOCBQUEUED && iocb->private)
		goto out_destroy_ioend;
		} else {