UPSTREAM: f2fs: compress: fix error path of inc_valid_block_count()

If inc_valid_block_count() can not allocate all requested blocks,
it needs to release block count in .total_valid_block_count and
resevation blocks in inode.

Bug: 419862398
Change-Id: Ib2c432b6e6b72715d0f73b9e6acdaf1242db8951
Fixes: 54607494 ("f2fs: compress: fix to avoid inconsistence bewteen i_blocks and dnode")
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
(cherry picked from commit 043c8323)
Signed-off-by: Chao Yu <chao@kernel.org>