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由 Fam Zheng 提交于
Previously we return -EIO blindly when anything goes wrong. Add a helper function to parse sense fields and try to make the return code more meaningful. This also fixes the default werror configuration (enospc) when we're using qcow2 on an iscsi lun. The old -EIO not being treated as out of space error failed to trigger vm stop. Signed-off-by: NFam Zheng <famz@redhat.com> Message-Id: <1446699609-11376-1-git-send-email-famz@redhat.com> [libiscsi 1.9 compatibility - Paolo] Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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