Christoph Hellwig 12b2d64e59
btrfs: properly clear end of the unreserved range in cow_file_range ...
When the call to btrfs_reloc_clone_csums in cow_file_range returns an
error, we jump to the out_unlock label with the extent_reserved variable
set to false. The cleanup at the label will then call
extent_clear_unlock_delalloc on the range from start to end. But we've
already added cur_alloc_size to start before the jump, so there might no
range be left from the newly incremented start to end. Move the check for
'start < end' so that it is reached by also for the !extent_reserved case.
CC: stable@vger.kernel.org # 6.1+
Fixes: a315e68f6ejosef@toxicpanda.com >
Signed-off-by: Christoph Hellwig <hch@lst.de >
Reviewed-by: David Sterba <dsterba@suse.com >
Signed-off-by: David Sterba <dsterba@suse.com >
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12b2d64e59