[libvirt] [PATCH v2 2/2] man: add --reflink man page of virsh
Signed-off-by: Chen Hanxiao <chenhanxiao(a)cn.fujitsu.com>
---
tools/virsh.pod | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/tools/virsh.pod b/tools/virsh.pod
index 804458e..c0bd99b 100644
--- a/tools/virsh.pod
+++ b/tools/virsh.pod
@@ -3160,6 +3160,7 @@ B<Example>
=item B<vol-create-from> I<pool-or-uuid> I<FILE> [I<--inputpool>
I<pool-or-uuid>] I<vol-name-or-key-or-path> [I<--prealloc-metadata>]
+[I<--reflink>]
Create a volume, using another volume as input.
I<pool-or-uuid> is the name or UUID of the storage pool to create the volume in.
@@ -3171,6 +3172,9 @@ I<vol-name-or-key-or-path> is the name or key or path of the
source volume.
support full allocation). This option creates a sparse image file with metadata,
resulting in higher performance compared to images with no preallocation and
only slightly higher initial disk space usage.
+[I<--reflink>] When --reflink is specified, perform a COW lightweight copy,
+where the data blocks are copied only when modified.
+If this is not possible, the copy fails.
=item B<vol-create-as> I<pool-or-uuid> I<name> I<capacity>
[I<--allocation> I<size>] [I<--format> I<string>]
[I<--backing-vol>
@@ -3205,7 +3209,7 @@ resulting in higher performance compared to images with no
preallocation and
only slightly higher initial disk space usage.
=item B<vol-clone> [I<--pool> I<pool-or-uuid>]
I<vol-name-or-key-or-path>
-I<name> [I<--prealloc-metadata>]
+I<name> [I<--prealloc-metadata>] [I<--reflink>]
Clone an existing volume. Less powerful, but easier to type, version of
B<vol-create-from>.
@@ -3217,6 +3221,9 @@ I<name> is the name of the new volume.
support full allocation). This option creates a sparse image file with metadata,
resulting in higher performance compared to images with no preallocation and
only slightly higher initial disk space usage.
+[I<--reflink>] When --reflink is specified, perform a COW lightweight copy,
+where the data blocks are copied only when modified.
+If this is not possible, the copy fails.
=item B<vol-delete> [I<--pool> I<pool-or-uuid>]
I<vol-name-or-key-or-path>
--
2.1.0