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In copy mode, make sure to not zero-free-space read-only btrfs snapshots, as we cannot write to them. --- sparsify/copying.ml | 28 +++++++++++++++++++++++++--- 1 file changed, 25 insertions(+), 3 deletions(-) diff --git a/sparsify/copying.ml b/sparsify/copying.ml index 8d77964..4c23939 100644 --- a/sparsify/copying.ml +++ b/sparsify/copying.ml @@ -208,6 +208,11 @@ You can ignore this warning or

In copy mode, make sure to not zero-free-space devices mounted as read-only, as we cannot write to them. Related to RHBZ#1079625. --- sparsify/copying.ml | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/sparsify/copying.ml b/sparsify/copying.ml index 4c23939..9c2c545 100644 --- a/sparsify/copying.ml +++ b/sparsify/copying.ml @@ -233,6 +233,13 @@ You can ignore this warning or change it to a hard failure using the with Not_found -> false in + let is_readonly_device mp = + let statvfs = g#statvfs mp in + let flags = statvfs.G.flag in + (* 0...