LU-14205 osd-ldiskfs: return correct error after end io

LU-14205 osd-ldiskfs: return correct error after end io

@bi_status could be positive in newer kernel, we need use
blk_status_to_errno() helper to convert error properly.

Otherwise, a positive value could be returned to client
which might trigger unexpected error and make client
fail to resend.

Test-Parameters: clientdistro=el8.3 serverdistro=el8.3
Signed-off-by: Wang Shilong <wshilong@ddn.com>
Change-Id: I2e8f257814eff311b72416788b7f6d9e37bad84a
Reviewed-on: https://review.whamcloud.com/40944
Tested-by: jenkins <devops@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: James Nunez <jnunez@whamcloud.com>