From: Manuel Bentele <developm...@manuel-bentele.de> The existing documentation about the loop block device is extended by a section about the QCOW2 file format driver. The documentation is written in the reST kernel documentation format.
Signed-off-by: Manuel Bentele <developm...@manuel-bentele.de> --- Documentation/admin-guide/blockdev/loop.rst | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/admin-guide/blockdev/loop.rst b/Documentation/admin-guide/blockdev/loop.rst index 69d8172c85db..3a5897a14c8b 100644 --- a/Documentation/admin-guide/blockdev/loop.rst +++ b/Documentation/admin-guide/blockdev/loop.rst @@ -72,3 +72,14 @@ image file. It supports discarding, asynchrounous IO, flushing and cryptoloop support. The driver's kernel module is named *loop_file_fmt_raw*. + + +QCOW +~~~~ + +The QCOW file format driver implements QEMU's copy on write file format in +version 2. At the moment, the file format driver only supports the reading +of QCOW2 disk image files. It does not support writing to QCOW2 images, the +recovery of broken QCOW images, snapshots and reference counts. + +The driver's kernel module is named *loop_file_fmt_qcow*. -- 2.23.0
