qcow2: Rework header updates
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| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/2 | qcow2: Update whole header at onceblock/ block/ | +95 | 0 replies | |
| 2/2 | qcow2: Keep unknown header extension when rewriting headerblock/ block/ | +50 | 0 replies |
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Cover letter [Qemu-devel] [PATCH 0/2] qcow2: Rework header updates
This series does not only fix the chance of breaking images with a crash in the middle of a backing file link update, but also fixes header updates in images with unknown header extensions. It provides functions to update the whole header instead of only the header extensions.
These fixes and improvements are a prerequisite for any qcow3 code.
Kevin Wolf (2):
qcow2: Update whole header at once
qcow2: Keep unknown header extension when rewriting header
block/qcow2.c | 194 +++++++++++++++++++++++++++++++++++++++------------------ block/qcow2.h | 9 +++ 2 files changed, 143 insertions(+), 60 deletions(-)
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1.7.6.5