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: I3d05f5ced5a8e9e4af6879d8e35ef9aef148dd95
(cherry picked from commit 043c8323)
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>
Signed-off-by: Chao Yu <chao@kernel.org>