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Commit 9fb9f0b5 authored by Goldwyn Rodrigues's avatar Goldwyn Rodrigues Committed by Greg Kroah-Hartman
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btrfs: mark compressed range uptodate only if all bio succeed



[ Upstream commit 240246f6b913b0c23733cfd2def1d283f8cc9bbe ]

In compression write endio sequence, the range which the compressed_bio
writes is marked as uptodate if the last bio of the compressed (sub)bios
is completed successfully. There could be previous bio which may
have failed which is recorded in cb->errors.

Set the writeback range as uptodate only if cb->errors is zero, as opposed
to checking only the last bio's status.

Backporting notes: in all versions up to 4.4 the last argument is always
replaced by "!cb->errors".

CC: stable@vger.kernel.org # 4.4+
Signed-off-by: default avatarGoldwyn Rodrigues <rgoldwyn@suse.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 29bb8b3f
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