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authorChristoph Hellwig <hch@lst.de>2023-06-28 17:31:23 +0200
committerDavid Sterba <dsterba@suse.com>2023-08-21 14:52:14 +0200
commit53ffb30a784d30db4d4cd074b4da46fa2472ab60 (patch)
treee32f349ccb0f94d96f3ce0ecf9e97273a6b062d3 /tools/perf/scripts/python/export-to-sqlite.py
parentba9145add52422779935f6d1b645a31a50c02af2 (diff)
btrfs: don't create inline extents in fallback_to_cow
For NOCOW files, run_delalloc_nocow can still fall back to COW allocations when required and calls to fallback_to_cow helper for that. For such an allocation we can have multiple ordered_extents for existing extents that NOCOW overwrites and new allocations that fallback_to_cow creates. If one of the new extents is an inline extent, the writepages could would have to avoid normal page writeback for them as indicated by the page_started return argument, which run_delalloc_nocow can't return. Fix this by never creating inline extents from fallback_to_cow. Reviewed-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David Sterba <dsterba@suse.com>
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