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Zach BrownandZach Brown
600ecd9fad
The addition of fallocate() now means that offline extents can be unwritten and allocated and that extents can now be found outside of i_size. Truncating needs to know about the possible flag combinations, writing preallocation needs to know to update an existing extent or allocate up to the next extent, get_block can't map unwritten extents for read, extent conversion needs to also clear offline, and truncate needs to drop extents outside i_size even if truncating to the existing file size. Signed-off-by: Zach Brown <zab@versity.com>