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Diffstat (limited to 'docs/tools/qemu-img.rst')
| -rw-r--r-- | docs/tools/qemu-img.rst | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/docs/tools/qemu-img.rst b/docs/tools/qemu-img.rst index cfe1147879..d6300f7ee0 100644 --- a/docs/tools/qemu-img.rst +++ b/docs/tools/qemu-img.rst @@ -597,6 +597,9 @@ Command description: if false, the sectors are either unallocated or stored as optimized all-zero clusters); - whether the data is known to read as zero (boolean field ``zero``); + - whether the data is actually present (boolean field ``present``); + if false, rebasing the backing chain onto a deeper file would pick + up data from the deeper file; - in order to make the output shorter, the target file is expressed as a ``depth``; for example, a depth of 2 refers to the backing file of the backing file of *FILENAME*. |